How to Solder a Loudspeaker Crossover - by SoundBlab
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- เผยแพร่เมื่อ 4 ก.พ. 2023
- In this video I tell you a bit more about crossovers and the components that make them up, as well as showing you how to mount the components on a board and how to solder the components together.
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This might be the best and most detailed video I’ve seen demonstrating the process of building a crossover. And yes, I would love a very detailed video about how these components work and how you determine what to use for any particular driver.
Awesome, thank you!
Great work showing us newbies how to do it. Very informative. Great to learn.
Glad to hear that!
Always appreciate the time and effort you put into your videos. This one was informative. I’ve see you touch on crossover design in several of your builds, but it would be great to see you break down the crossover design process with some descriptions of each component’s purpose beforehand. Awesome job, pls keep em coming!
Thanks. Great suggestion, I will see how I can include this in more of my videos.
Good guide. I was just wondering how to create my crossover - overthinking everything as always. KISS is the motif of the day.
As a young technician fresh out of electronics school, it took several service calls with an old pro, for me to understand the KISS rule.
Now as a 40 year veteran in the industry, I remind myself of that rule regularly.,
Thank you so much. This was very clear and easy to understand. The polarity and magnetic field information were critical to my newbie learning, very complete. All of your videos are top notch! I cant wait to get all of my parts for the slimline stand mounts to get started! I have a feeling that I will be building many more of your projects. Anxious to hear how the Arylic center project turns out. Thank you again!
Thank you I'm working on speakers and had problems with mid range burning up, I can turn my speaker up now!
Very informative .
Sir, thank you so much for sharing your knowledge .
I am from Sri Lanka .
You are most welcome
Most excellent video. Thats why South Africans are sought after acedemics the world over. Not appreciated at home we are boosting first world technologies elsewhere and on TH-cam. Keep it up.
You showed the easiest way to build a xover. Thanks for doing that. Looking forward to your next video.
Glad you liked it!
Great info Soundblab! Love the channel!
Much appreciated!
Very informative. Thanks
You're welcome
Very professional, helpful and detailed video and I'm using it as a guide for my own little 2-way, 2nd order Xover; though it appears that the hook up illustrated on the ground side of C2 is not in accordance with the schematic.
0:14 Very good Video. Correct Positioning of the inductors. Silicon under the crossover parts is better than the hot glue pistol.(pattex)
Thank you for an informative video❤
Glad it was helpful!
Please do a xo tutorial especially using resistors how values of passive components relate to the freq you cross at? Like does it depend on anything? Like eg does 4.5mH inductor will always cross at same freq irrespective of driver used? Etc
say: foil coil 😂 it’s always worth mention cfc when talking about coils! 😊
best ! thank u my dear frnd
Good video but its missing the same thing I see in most crossover beginner guides which is the relationship between the logical diagram and physical network connections. Your plans show how to physically build it which is great and you can reverse engineer the physical plans in relation to the electrical / logical plans but I think this video could have been a good opportunity to explain that better so when a user sees the electrical diagram it intuitively makes sense.
Thanks for the feedback
My JBL 120ti 3-way crossovers used .01uf 200V DC bypass capacitors with the capacitors (36uf 8uf and 14uf). Is this an advantage or can they be replaced or removed when upgrading to Dayton poly capacitors?
That was a fairly informative video however always using high speed to show what you are doing only helps shorten the video length. Showing real time in the beginning doing the soldering to get a good foundation is essential to learning. Once the concepts are understood, then things can be accelerated. The best way to watch you build the crossover board is set playback to .25.
Thanks for the feedback! Noted.
It would be good to point out that resistors to be used must be of higher wattage rating than used, for example, in more common PCB circuits videos. (Despite the visuals provided.)
I have a question on a bandpass crossover to my midrange. The midrange is a 8" RadioShack mid. I currently have it connected to a simple 20uF Polycap 1st order crossover. All speakers 8 ohm. The woofer 12" 50hz11000Hz full range RadioShack ( no crossover) the tweeter replaced (was RadioShack horn)with Morel Cat 378. This became the issue so I went with a second order crossover by Dayton audio 2000Hz 5uf Cap Dayton with 2.27mH inductor. Better now but I attempted several tries with Polycap and resistors with the final decision of the Parts Express. Sooooo now with nice Polycaps left over I thought I would try to do a bandpass ...just to try. Unfortunately the only info I have on the midrange is 8 ohm 8" Fs 100Hz. The speakers sound good but more sensative to poor quality recordings of cd's or albums. any thoughts Thank you for the videos
which drivers did you use ?
把那個線圈塗抹黑漆低沉效果
can you help me build crossovers for a pair of jbl Prx535 driver in working order but the self power amplifier plates is gone. Any help will be appreciated Thank You
Hi, unfortunately I am not able to do so, my current schedule does not allow me to take on any other work.
Hello I have a speaker, I want a smooth crossover with a uf capacitor and eg an indtios mH coil, but I don't know the values, how do you match this speaker with bass, after all, it's a subwoofer Difuzor subwoofer profesional 12 inch
putere 500w/RMS
impedanta 4 Ohm, sensibilitate 97 dB, raspuns in freventa 56-3500 Hz
diametru bobina 4 inch-100 m
greutate magnet 3,55 Kg.
greutate totala: 9.3 kg
PARAMETRI, Fs 56 Hz, Qes 0.33, Qms 8.10, Qts 0.32
0,9mH 1,5uf??
is ok to replace 10W 2RJ resistor with 10W 2.2ohm resistor in speaker crossover, will it be any big difference
It really depends where that resistor sits in the crossover schematic, but generally resistors have a 5% tolerance in actual value, so it should in practice not make a huge audible difference.
@@SoundBlab im new to this crossover thing.. but id love to do an upgrade..but i dont know what decent parts to get i have a pair of klipsch synergy F3 but i dont know the schematic apparently the F3 crossover have 2 resistenc one (10w 2rj ) and the other is (10w 2.0 ohms) the 2Rj is confusing.. do this two resistenc have the same value in ohms???
I don't know what the RJ stands for, but it is still just a 2 Ohm resistor, most likely a typical wire-wound in square cement or ceramic casing.
@@SoundBlab ok.. Thank you
I use two coloured wire to distinguish + and -
Yes, I also do that on occasion depending on what wire I have on hand. The wire I used had writing one and nothing on the other. So was easy to distinguish.
Waiting for sb accoustics plans
These will be more towards the middle of the year...
Which driver will be used?
Where's the best place inside the speaker box, to mount a crossover?
Im replacing the crossover in a traditional 22 year old box floor speaker.
The new crossover is much larger than the older crossover being replaced.
This will depend on how you have access to the inside of the enclosure. This will normally only be through a woofer opening, so mount it on the back panel if you can or in the rear corner on the bottom panel, but make sure it is at least a few inches away from the woofer motor structure (magnet). If the board is too big for the opening, try making the crossover on two smaller boards, splitting the low and high pass sections.
@@SoundBlabThank you for the info.
I put it on the bottom.
Clamp glued 3/4" solid wood cut to the size of the crossover, to the bottom of the speaker, then mounted the crossover to it with non magnetic screws.
Quedó en las mismas porque no se ingles😢
End the map i see some worng !
no.No.NO!!!
do NOT solder wire/cable directly to the leads of components - at least anchor the wire to the board. This will either break the lead or damage the component.
My experience tells me different. I have done exactly this a million times without any issues as you mention. Internal wire is normally kept in place by cabinet damping material or even secured to bracing with a cable tie or two, so we do not have it moving in the cabinet that might cause continued and excessive back and forth movement that can snap a component lead. But if this is a worry for anyone, then feel free to anchor the wire in some way.
Just once I would like to see a crossover video that slows down and explains which are positive and negative. The is unstable but they twist a big rat nest of wires together it just looks like a big mess of confusion the reason why I watch these is because I don't know what goes where. I don't get it. My crossover would be huge because I connect everything separately. Just slow down and explain it
ok
you do not test before soldering to the speakers??? not even a polarity test?
There is no effective way of testing a crossover without the proper equipment that can do a FRA analysis, and is normally outside the scope of the average builder. Thats why it is important to double check all the connections.
@@SoundBlab I would do;
1 -a test for obvious short
2 - a polarity test
3 - basic test; is the sound coming out from both speakers as one would expect
Further , given the wide tolerance on these components I would test first - there are apps that can do a frequency sweep or generate a tone at a specific frequency. It isn't as good as doing a 'FRA' but would give more assurance.
Your diagram is quite confusing