To learn electronics in a very different and effective way, and gain access to Mr Carlson's personal designs and inventions, visit the Mr Carlson's Lab Patreon page here: www.patreon.com/MrCarlsonsLab
Hello mr Carlson really good videos you explain so it can be understood and a fantastic nice radio I wish you a really nice Christmas from here in Denmark 🇩🇰
enjoyed! That little timer relay board is awesome I hate load pops and such There is a BIG need for a voltage regulator /motor controller circuit This would be a missing link for a giant customer base I have ZERO interest in ANYONE that worships money I want this product to be made with ZERO bean counting interfering with longevity of product This would be a product that saves lots at first and keep on saving money over MANY years to come I have ZERO interest at get rich schemes not looking to make lots of money either A little bit of extra income would be nice not only for personal use But to have nest egg for bringing other good products to the market Of course every thing that can be made in usa should be No counting beans to line pockets My name is Ben this is the wife's youtube This is a NEEDED product that ALREADY has a giant market Word of mouth and giving free samples to 10 or 20 youtubers will work very well Other than that no advertising will be needed Saving LOADs of money and with well made but cheap needed product don't need advertising What says YOU Mr Carlson?
BT conversion, are my single most favourite job on older gear. If more electronics had optical in/out, I would probably go for that in addition too. SOOOoooo000 much amazing radios, and receivers and speaker systems can live for centuries more, just with a simple hack like this. and yes, especially tube gear.
I love this idea for older receivers that do not have a tape or turntable input. This is fantastic. For devices that have a factory fitted turntable or tape input, you can use the turntable /tape input switch to switch the bluetooth on and off. Similar process to this, just using that switch instead of the tuning.
Its probably for 25cyl AC since Mr Carlson's Lab is in Canada IIRC. I have a bunch of Canadian-origin radios by US brands and they all have crazy big transformers. They run VERY cold on 60cyl like us Americans have. I have a Canadian version of an RCA, US Apex, GE, and probably one or two others. With the exception of the RCA they were identical to the US version aside from the power supply. The RCA one has a different cabinet from the US version.
What an exceptionally timely video! I have a Philco on my bench right now for this exact same procedure! As always Mr Carlson saves the day!😊 Well, my radios volume control actually attenuates the antenna input, ya weard. I was going to break the grid wire to the amp tube and switch the Bluetooth in at that point.
Now can you please do one on adding FM to a tube radio I have seen kits on line but afraid to try to install and dont know if it uses the radio’s tuner to work and if my limited knowledge can install the kit.
A bit dangerous working on those old high voltage radios. Would you use the tube amplifier or like I do just use the shell with buttons and knobs replacing the tubes with modern amplifier and radio on a pcb?
Just a thought and suggestion: If you're willing to use them those FM radio kits one would connect them just as he presented here (using the Bluetooth moduel). Rather than doing that.... FM software for your phone are readily available and therefore Bluetooth would be the better option. Another approach would be taking audio output of an existing FM radio and connecting it exactly like he did here (i.e. through the same illustrated & shown self made boards and connections). But too, placing an external jack on the back of the radio so as to break (or disconnect) the connection if you chose to.
Back in 1980s I hooked up an FM converter for a car radio into my 1934 Philco. Not a big deal,it just converted to a particular spot on the AM dial and then you could tune in some FM. Like hooking a VCR up to a tv and putting it on channel 3 or 4
Some of those old 40s -ish radios had connection for phonograph and even early television to use it as an amplifier. Could you connect it into that if it has it?
Just into the video. I'm going to really enjoy watching this and the implementation of your seamless switching arrangement. It will certainly beat the hell out of mounting a little toggle switch in the back to the radio. I've watched several on the fly Bluetooth mods to classic AM radios. This is going to be so much better.
My cousin had me restore a very old Zeneth Radio for him, and add Bluetooth to it. I didn't want to add switches and drill holes in it, so I did the same with a different approch. I built a short range AM Transmitter that I tuned to a vacant frequency and tied the Bluetooth to that. That way the Radio was never touched with mods. The radio had pushbutton frequency select, and I set one of them to the frequency of my transmitter. You push button six and you have the Bluetooth selected. It really worked out well.
That's fantastic. Also, a friend has been using his phone for music when he sings at open mic nights but it won't drive some systems, so I'll pass along the info. about maybe using resistors to make the phone give a little more push. Thanks.
The audio quality is indeed superb, crystal clear and dynamic. A great addition to a beautiful tube receiver. Thank you mr. Carlson, and a very merry, tube-y, healthy and happy 2025, for you and your loved ones.
This is an episode I found absolutely fascinating Paul and the sound quality is stunning, a job well done mate. I hope you and the viewers have an awesome Xmas and a great New Year !
I like the idea of these mods to keep vintage electronics relevant to regular use. However, I find it interesting and perhaps a missed opportunity that you choose to use a mechanical switch. Especially since you did take the time to design a custom circuit and switching relay. With your custom board, you could have easily automated this based on audio signal detection or, better yet, getting input from the Bluetooth module. Many have pins that receive voltage or go high when the device is connected and trying to stream that can be used to switch the input. Doing this type of mod today, I’d suggest looking into a more current solution than plain Bluetooth. Now, there are several inexpensive boards and even Arduino or pie-based projects that would let you add a full-fledged streamer for the same effort and similar cost. Thanks for continuing to make quality content and sharing your knowledge!
I had forgotten how beautiful that receiver is to look at. And the wide band AM sounds great. Christmas wishes from the wilds of South Surrey-White Rock to you and yours, Paul!!
Oh my Mr. Carlson BRAVO. This is Top Tier symphonic sound out of an old school radio. Snazzy find of all the oops ac buzzing wires. Besides your power house of electronics, you’re a very gifted craftsman. That makes me ask do you do art work or play a musical instrument. This is one of your best videos Merry Christmas to to you and your family and friends. Best Kristy
I put a Bluetooth receiver in my old record/8track cabinet a few years back. I like to setup a playlist and cast from my pc. but I just used the aux input switch and jacks. a bit easier than this mod.
I presume the problem is that most AM radio stations these days consist mainly of talk show formats and no music. With bluetooth, one can play music through the radio.
Brilliant. Now all that's left is to swap for a BT board with a microsd slot, add the highest supported capacity card full with modern music and send it to the past.
Great job. Most EU-made radios have a PU-input.Even easier to adapt a BT-module except if the radio is "all current" , so heaving the chassis connected to the mains.
I added a bluetooth into my daughters 1958 RCA cabinet record player only by using a unused tape recorder plug in this unit has extra stock switched inputs that I only had to wire a modern plug in to use a blue tooth devise from Amazon sounds great going through the units amp and speakers without major changes to the unit. So it is easy to add bluetooth to any radio ot record that has a switched Phono input.
Although you can still find old radios I am looking for something that has exactly a certain look from the 20s to the 50s it would be awesome to have it Bluetooth .
What I mean is it now sounds like say a Marantz receiver which is going to make me not want to listen to that old style system anymore. Great transition Paul I am amazed!
Much prefer a short-range AM modulator to 'keep it real'. Means no modding of the equipment and can be used with any AM receiver. Google 'pantry transmitter'.
Thinking about your comments regarding Stromberg Carlson shielding the coupling transformer leads: doesn't shielding only protect from capacitively coupled noise? Wouldn't magnetic induction still couple from a noisy current source to a low impedance wire? It seems like the physical separation is more effective at keeping the hum and buzz down rather than the coax, but please correct me if I am wrong. Of course it also helps to keep loop area of the victim circuit as low as possible with twisted pair or coax, and that could also help.
I've always heard Atwater Kent never left much fudge factor in their Power Xformers, and that adding an extra tube could burn up the filament winding. Have you ever learned how to calculate the VA rating of an unmarked Transformer? I've had this idea before of tapping off the 6.3V winding and adding a 7805 to regulate, but I don't like doing that type of stuff without being sure the filament winding could easily handle the extra load. I've never been able find a straightforward way to find the VA of an unmarked transformer Great mod as always Mr. C
Ok this is strange, I literally was just thinking about this a couple months ago and now here you are doing it! I bought this old receiver to fix up and I was thinking "I wonder if I could hook a bt receiver up to this and use it as a amp"
A few questions: What happens to the cathode of the 6K7 when it is opened? Does it float up a few volts? Would it create a high HK voltage if it floated up to the plate? How does it affect the lifetime of the tube?
I have to say you have made a great modification. But i think that magic eye is now a little bit boring. Have you thought about making a circuit to make that magic eye work as volume meter ? Like in old tube amps for example.
Ok so let me understand this because i don't think it was clear to me. You're using the bluetooth board to pick up the audio from some other bluetooth device and transmit this signal to the exisiting radio final amplifier and speakers? Is this correct? I thought you were going to use the content generated by the tuner to transmit signal via bluetooth to other bluetooth devices.
The one thing, unclear to me, is the difference in overall audio output level from the AM side and the BT side (being that the BT side was about only 30% of drive versus the AM's 100% (120%) drive) or, in other words, you had to crank up the volume to MAX just to get some noticeable drive from the speaker. Since the video lacked any comparison or demonstration of this effect, it is unknown if the line outputs from the BT module could effectively drive the amplifier and/or what happens when switching from one mode to the other!
Why do they call it a reactor and not a choke? Isn't that basically what it's doing? I had to look the term up, and assumed it was just an older term, like calling a capacitor a condenser. Is that the case, or is a reactor actually doing something different?
mister carlson promoting a stromberg CARLSON radio is already somewhat funny. but honestly doing a dial mounted is not the way i would do it. I would probably do with the bluetooth module also (via an app and a microcontroller) just gating off the receiver part from the audio amplifier in this thing and instead feed the bluetooth audio in there (via a kind of transmission gate if you so will [or your proposed relay solution just with more relays]...). also if the idea is that the install is seamless and tracelessly reversible i wouldnt go for supergluing a board in... i'd rather add that board to the board via the existing hole that you deliberately kept clear for a future terminal block (but not mount it there directly but on a 3d printed bracket (to which you can always add more if the need would be presenting itself.) nice move with that filament supply though
two things come to mind, would it be possible to make a bluetooth module using only tech of that era, and how big would it be... and my next thought was... how coold wouldnt it be with a vacuum tube bluetooth module...
That wouldn't be possible. It takes a lot of processing power to decode the compressed audio. I doubt that it would even be possible to decode with 7400 series logic. When the circuits get large enough, the signals don't propagate through the wiring fast enough. For audio, you would just make an analog transmitter and receiver. You can get much higher audio quality that you get from lossy bluetooth codecs.
@ yes I guess I stated that wrong, the old original will still have its charm but at the same time with the Bluetooth you no longer have to wait for the radio station to get around to playing a song you love, don’t get me wrong what you have done is amazing.
If you copper coated the bottom fiber cover. With some of that thick adhesive, tacky copper foil.. Especially if it was attached with a little grounding wire to the chassis. Wouldn’t this add some additional shielding
It would kinda be hilarious to see a tube bluetooth transciever, it would probably be bigger than this radio console and have to be on multiple rolling racks.
![Delco High Performance Radio Receiver! [Repair]](http://i.ytimg.com/vi/ZS3X2Bat8Dw/mqdefault.jpg)
![Build A Power Supply - With Junk Box Parts! [The BC-348 Series.]](http://i.ytimg.com/vi/nX87kwSshZ8/mqdefault.jpg)
To learn electronics in a very different and effective way, and gain access to Mr Carlson's personal designs and inventions, visit the Mr Carlson's Lab Patreon page here: www.patreon.com/MrCarlsonsLab
Hello mr Carlson really good videos you explain so it can be understood and a fantastic nice radio I wish you a really nice Christmas from here in Denmark 🇩🇰
enjoyed! That little timer relay board is awesome I hate load pops and such There is a BIG need for a voltage regulator /motor controller circuit This would be a missing link for a giant customer base I have ZERO interest in ANYONE that worships money I want this product to be made with ZERO bean counting interfering with longevity of product This would be a product that saves lots at first and keep on saving money over MANY years to come I have ZERO interest at get rich schemes not looking to make lots of money either A little bit of extra income would be nice not only for personal use But to have nest egg for bringing other good products to the market Of course every thing that can be made in usa should be No counting beans to line pockets My name is Ben this is the wife's youtube This is a NEEDED product that ALREADY has a giant market Word of mouth and giving free samples to 10 or 20 youtubers will work very well Other than that no advertising will be needed Saving LOADs of money and with well made but cheap needed product don't need advertising What says YOU Mr Carlson?
To say Mr. Carlson is a genius doesn't do him justice.
Hervorragend, Klasse. Sehr an die kleinsten Details Gedacht.. Elektronik ist eine Leidenschaft für die wirklich Interessierten Begabten Menschen
Season Greetings From the UK Thankyou for a Very Entertaining Year... Looking forward to some of the Projects you have shown for repair..
Mr Carlson you are the man, what a job mixing old with new. those old radios sound fantastic. you are a true electronics perfectionist.
The audio sounds just like the old Super Hi-Fi sets !! It's crystal clear !!
merry christmas from Denmark . & thanks for all of the uploads , you are a champ !
Merry Christmas!
BT conversion, are my single most favourite job on older gear. If more electronics had optical in/out, I would probably go for that in addition too. SOOOoooo000 much amazing radios, and receivers and speaker systems can live for centuries more, just with a simple hack like this. and yes, especially tube gear.
Great idea for the switch. I was thinking a local AM transmitter ;-)
That modification sounds fantastic! Thank you, Mr Carlson.
Beautifully done again, I love this channel.
Maybe... closing and opening the green eye to the music is a bonus on top of the musical experience.
I love this idea for older receivers that do not have a tape or turntable input. This is fantastic.
For devices that have a factory fitted turntable or tape input, you can use the turntable /tape input switch to switch the bluetooth on and off. Similar process to this, just using that switch instead of the tuning.
Great addition to the Stromberg Carlson!
Beautiful radio and wonderful upgrade and modifications. Love watching these even if it's something I won't be doing anytime soon.
Wow ! That transformer is HUGE !!!
Its probably for 25cyl AC since Mr Carlson's Lab is in Canada IIRC. I have a bunch of Canadian-origin radios by US brands and they all have crazy big transformers. They run VERY cold on 60cyl like us Americans have. I have a Canadian version of an RCA, US Apex, GE, and probably one or two others. With the exception of the RCA they were identical to the US version aside from the power supply. The RCA one has a different cabinet from the US version.
Either the humidity is way down, or based on Mr. Carlson's Hair he picked up a DC change!😂 Energetic smile too!
What an exceptionally timely video! I have a Philco on my bench right now for this exact same procedure!
As always Mr Carlson saves the day!😊
Well, my radios volume control actually attenuates the antenna input, ya weard. I was going to break the grid wire to the amp tube and switch the Bluetooth in at that point.
This is great - I have an old Grundig I've been planning on performing this on, can't beat the aesthetics.
Now can you please do one on adding FM to a tube radio I have seen kits on line but afraid to try to install and dont know if it uses the radio’s tuner to work and if my limited knowledge can install the kit.
A bit dangerous working on those old high voltage radios. Would you use the tube amplifier or like I do just use the shell with buttons and knobs replacing the tubes with modern amplifier and radio on a pcb?
Just a thought and suggestion: If you're willing to use them those FM radio kits one would connect them just as he presented here (using the Bluetooth moduel). Rather than doing that.... FM software for your phone are readily available and therefore Bluetooth would be the better option. Another approach would be taking audio output of an existing FM radio and connecting it exactly like he did here (i.e. through the same illustrated & shown self made boards and connections). But too, placing an external jack on the back of the radio so as to break (or disconnect) the connection if you chose to.
Back in 1980s I hooked up an FM converter for a car radio into my 1934 Philco. Not a big deal,it just converted to a particular spot on the AM dial and then you could tune in some FM.
Like hooking a VCR up to a tv and putting it on channel 3 or 4
Some of those old 40s -ish radios had connection for phonograph and even early television to use it as an amplifier. Could you connect it into that if it has it?
Just into the video. I'm going to really enjoy watching this and the implementation of your seamless switching arrangement. It will certainly beat the hell out of mounting a little toggle switch in the back to the radio. I've watched several on the fly Bluetooth mods to classic AM radios. This is going to be so much better.
My cousin had me restore a very old Zeneth Radio for him, and add Bluetooth to it.
I didn't want to add switches and drill holes in it, so I did the same with a different approch.
I built a short range AM Transmitter that I tuned to a vacant frequency and tied the
Bluetooth to that. That way the Radio was never touched with mods.
The radio had pushbutton frequency select, and I set one of them to the frequency
of my transmitter. You push button six and you have the Bluetooth selected.
It really worked out well.
What a perfect solution with this switch, change will be clearly audible and matching with epoque.
That's fantastic. Also, a friend has been using his phone for music when he sings at open mic nights but it won't drive some systems, so I'll pass along the info. about maybe using resistors to make the phone give a little more push. Thanks.
It's very informative when you evaluate a schematic.
Those big old speakers make all the difference.
The audio quality is indeed superb, crystal clear and dynamic. A great addition to a beautiful tube receiver. Thank you mr. Carlson, and a very merry, tube-y, healthy and happy 2025, for you and your loved ones.
Nice trick with the switch!
Happy Holidays to You and Yours, Mr. Carlson. 🎄
Such a beautifully-designed and implemented mod. Merry Christmas 🎄
Thank you! You too!
This is an episode I found absolutely fascinating Paul and the sound quality is stunning, a job well done mate.
I hope you and the viewers have an awesome Xmas and a great New Year !
Merry Christmas and Happy New Year
Buenos días mr un buen proyecto aprendemos mucho con sus vídeo y muy bien explicado un saludo desde Cantabria
I like the idea of these mods to keep vintage electronics relevant to regular use. However, I find it interesting and perhaps a missed opportunity that you choose to use a mechanical switch. Especially since you did take the time to design a custom circuit and switching relay. With your custom board, you could have easily automated this based on audio signal detection or, better yet, getting input from the Bluetooth module. Many have pins that receive voltage or go high when the device is connected and trying to stream that can be used to switch the input. Doing this type of mod today, I’d suggest looking into a more current solution than plain Bluetooth. Now, there are several inexpensive boards and even Arduino or pie-based projects that would let you add a full-fledged streamer for the same effort and similar cost. Thanks for continuing to make quality content and sharing your knowledge!
I had forgotten how beautiful that receiver is to look at. And the wide band AM sounds great. Christmas wishes from the wilds of South Surrey-White Rock to you and yours, Paul!!
Great job. Thank you 😊
Thanks once again for another excellent video. Happy Holidays to you and your's.
Fascinating mod! Thanks! It sounds great! 😊
Oh my Mr. Carlson BRAVO. This is Top Tier symphonic sound out of an old school radio.
Snazzy find of all the oops ac buzzing wires.
Besides your power house of electronics, you’re a very gifted craftsman. That makes me ask do you do art work or play a musical instrument.
This is one of your best videos
Merry Christmas to to you and your family and friends.
Best
Kristy
Well done as usual Mr. Carlson, especially disabling the IF cathode and introducing shielding. Merry Christmas 🎄 look forward to 2025!
Merry Christmas!
Excellent job 👏
Thank you very much!
That is the perfect way to install it!
Wow great job. Whats next Dr Frankenstein on a Skateboard...........
I put a Bluetooth receiver in my old record/8track cabinet a few years back. I like to setup a playlist and cast from my pc. but I just used the aux input switch and jacks. a bit easier than this mod.
I presume the problem is that most AM radio stations these days consist mainly of talk show formats and no music. With bluetooth, one can play music through the radio.
Brilliant. Now all that's left is to swap for a BT board with a microsd slot, add the highest supported capacity card full with modern music and send it to the past.
What model of Stromberg Carlson radio is this? I'm a relative newbie to tube radios.
Model 145L
@MrCarlsonsLab Thank you!
Great job.
Most EU-made radios have a PU-input.Even easier to adapt a BT-module except if the radio is "all current" , so heaving the chassis connected to the mains.
I added a bluetooth into my daughters 1958 RCA cabinet record player only by using a unused tape recorder plug in this unit has extra stock switched inputs that I only had to wire a modern plug in to use a blue tooth devise from Amazon sounds great going through the units amp and speakers without major changes to the unit. So it is easy to add bluetooth to any radio ot record that has a switched Phono input.
Thank you for the interesting videos in 2024 from Denmark
7:08 - The hole in the Microswitch appears to be threaded!
Although you can still find old radios I am looking for something that has exactly a certain look from the 20s to the 50s it would be awesome to have it Bluetooth .
Outstanding install thank oyu for sharing. Did you make the PCB yourself and what methods did you use?
Yes, I have tutorials here on TH-cam and on Patreon.
@@MrCarlsonsLab Ah thank you then my eyes did not decieve me and I will go on a search.
What I mean is it now sounds like say a Marantz receiver which is going to make me not want to listen to that old style system anymore. Great transition Paul I am amazed!
Super !!!!
I installed a Bluetooth receiver in my DeWalt job-site radio. To use it, switch to aux and use the 1/8" input jack or the Bluetooth radio.
Much prefer a short-range AM modulator to 'keep it real'. Means no modding of the equipment and can be used with any AM receiver. Google 'pantry transmitter'.
This might be an interesting add-on to my old 1961 Zenith. It already has a phono input that I was going to remove.
Thinking about your comments regarding Stromberg Carlson shielding the coupling transformer leads: doesn't shielding only protect from capacitively coupled noise? Wouldn't magnetic induction still couple from a noisy current source to a low impedance wire? It seems like the physical separation is more effective at keeping the hum and buzz down rather than the coax, but please correct me if I am wrong. Of course it also helps to keep loop area of the victim circuit as low as possible with twisted pair or coax, and that could also help.
I've always heard Atwater Kent never left much fudge factor in their Power Xformers, and that adding an extra tube could burn up the filament winding. Have you ever learned how to calculate the VA rating of an unmarked Transformer? I've had this idea before of tapping off the 6.3V winding and adding a 7805 to regulate, but I don't like doing that type of stuff without being sure the filament winding could easily handle the extra load. I've never been able find a straightforward way to find the VA of an unmarked transformer
Great mod as always Mr. C
When I heard your proposal I was LOL.
Fabulous, as usual!
Did you ground the shield of the coax on both ends or just on one end while trying to eliminate the hum?
Would it be easier to use your relay circuit to drive an amplified Bluetooth module directly into the speaker?
Ok this is strange, I literally was just thinking about this a couple months ago and now here you are doing it!
I bought this old receiver to fix up and I was thinking "I wonder if I could hook a bt receiver up to this and use it as a amp"
A few questions: What happens to the cathode of the 6K7 when it is opened? Does it float up a few volts? Would it create a high HK voltage if it floated up to the plate? How does it affect the lifetime of the tube?
Please discuss the purpose of the 0.47 Ohm resistor before the schottky diode.
My Halicrafters SX-71 shields leads to the phono output, volume control etc for same reason.
It will also good add an AM STEREO board ?
I have to say you have made a great modification. But i think that magic eye is now a little bit boring. Have you thought about making a circuit to make that magic eye work as volume meter ? Like in old tube amps for example.
Ok so let me understand this because i don't think it was clear to me. You're using the bluetooth board to pick up the audio from some other bluetooth device and transmit this signal to the exisiting radio final amplifier and speakers?
Is this correct? I thought you were going to use the content generated by the tuner to transmit signal via bluetooth to other bluetooth devices.
The one thing, unclear to me, is the difference in overall audio output level from the AM side and the BT side (being that the BT side was about only 30% of drive versus the AM's 100% (120%) drive) or, in other words, you had to crank up the volume to MAX just to get some noticeable drive from the speaker. Since the video lacked any comparison or demonstration of this effect, it is unknown if the line outputs from the BT module could effectively drive the amplifier and/or what happens when switching from one mode to the other!
Is that a National NC183D down there ? 😊 love my NC173.
Is it Roon ready 😊
Why do they call it a reactor and not a choke? Isn't that basically what it's doing? I had to look the term up, and assumed it was just an older term, like calling a capacitor a condenser. Is that the case, or is a reactor actually doing something different?
mister carlson promoting a stromberg CARLSON radio is already somewhat funny. but honestly doing a dial mounted is not the way i would do it. I would probably do with the bluetooth module also (via an app and a microcontroller) just gating off the receiver part from the audio amplifier in this thing and instead feed the bluetooth audio in there (via a kind of transmission gate if you so will [or your proposed relay solution just with more relays]...).
also if the idea is that the install is seamless and tracelessly reversible i wouldnt go for supergluing a board in... i'd rather add that board to the board via the existing hole that you deliberately kept clear for a future terminal block (but not mount it there directly but on a 3d printed bracket (to which you can always add more if the need would be presenting itself.)
nice move with that filament supply though
And now all that is needed is an additional RF link to a wireless Subwoofer.
Most of these old radios have plenty of bass without a subwoofer.
👍👍👍👍👍
two things come to mind, would it be possible to make a bluetooth module using only tech of that era, and how big would it be... and my next thought was... how coold wouldnt it be with a vacuum tube bluetooth module...
That wouldn't be possible. It takes a lot of processing power to decode the compressed audio. I doubt that it would even be possible to decode with 7400 series logic. When the circuits get large enough, the signals don't propagate through the wiring fast enough.
For audio, you would just make an analog transmitter and receiver. You can get much higher audio quality that you get from lossy bluetooth codecs.
Mr Carlson, you've got some audio drop out a few times through the video. Otherwise, enjoyable.
Only in spots where there was no audio to begin with :^)
Couldn't you have just attached a small antenna to the board, installed the board behind the chassis and run the wire antenna outside of the chassis?
Mono?
So, those electrons from the cathode audio circuit are switched to the speakers by an antenna to a Bluetooth Transmitter.
Gee, my gosh..
Hello is it possible to contact with u i have some questions about old radious?
Something Tell's me Mr. Carlson enjoys colorized black & white movies.
Sigh
What I want to do is stream the audio from my TV to my Bose headphones. I want to leave the speakers active so others can hear normally.
bro' my bro do this 8 years ago so'
ili papar?!! (;
have a good one!
All you need to do now is install a valve receiver inside an iPhone.
Dont do this. Build radio transmiter with BT, but dont change oryginal thing.
It hums cause it doesn't know the words...
Wow kind of makes the original radio receiver useless.
It doesn't affect the original receiver in any way.
@ yes I guess I stated that wrong, the old original will still have its charm but at the same time with the Bluetooth you no longer have to wait for the radio station to get around to playing a song you love, don’t get me wrong what you have done is amazing.
If you copper coated the bottom fiber cover. With some of that thick adhesive, tacky copper foil..
Especially if it was attached with a little grounding wire to the chassis. Wouldn’t this add some additional shielding
COOL MOD
Why the micro switch? why not a reed switch with a magnet?
You should have made a tube based period correct bluetooth module
A bluetooth module made with vacuum tubes, that would be a sight. Doesn't a bluetooth chip have millions of transistors?
It would kinda be hilarious to see a tube bluetooth transciever, it would probably be bigger than this radio console and have to be on multiple rolling racks.