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Cool video I have one myself

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That tonearm looks like the same one used in a Westinghouse record player that my Dad got in the 1960's. Looks like 2N301 or 2N176 output transistors

The transformer at 17:46 is the driver transformer, it drives the bases of the push-pull output transistors. The large transformer to the left is the output transformer, that couples the output transistors to the speaker. These are pretty neat units, but as in yours, leaving the batteries in when you store it is not a good idea!

wonder if this was bought assembled, or a HeathKit build?

Mind BLOWN that the battery still works!!!

Very cool! Messaged you on ModWiggler about this. 👍🏻

Real nice work! Thank you!

Great work! Thanks for posting! :)

Have recently uploaded the schematic of 1/2 of a preamp stage here... i.imgur.com/9258yKN.png

There are quite a few of high end turntables costing thousands of dollars that don't have anti skate its not really that big of a deal to not have it

Outstanding, well done!

Nice mod. Im building the original pirate pi, but im having problems, it detects ferous metals fine, but non ferrous it almost doesn't pick up at all. I don't have an oscilloscope so its hard to pinpoint the problem. Could the problem be the shottky diodes im using? Any help would be appreciated

Thank you very much.. Great and amazing work❤

I like this. Don't take no guff from them clocks man

soundcloud.com/tim-shippy/creating-the-stars

Good day, I'm planning to purchase either the Nagoya UT-72 or Nagoya UT-72G antenna. I'm primarily going to use frequencies between 451.000 to 455.000 most of the time, and occasionally frequencies between 144 to 145. I've heard that the Nagoya UT-72G might be a better choice since its frequency range extends from 155 to 462 compared to the Nagoya UT-72, which covers 144 to 430. However, I've noticed that the Nagoya UT-72G is more expensive in my area. Can you please provide guidance on which antenna would be the better option given my frequency usage and budget constraints? Your assistance is much appreciated. Thank you.

I Put All My Metal/Leg PickingsIn A Jar And Then I Will Take The Silver Off From Them And Rest Ic Pure Copper ;)

been working with the LTC6090-5 and its a moisture princess :\

The week long wait for parts, the soldering of shame when you need to bodge in a new part. We've all been there. We all know the feeling. But it doesnt make it suck any less.

This is dark Ben Eater

That MW PLL schematic in the background, good ol' times

It seldom happens, but I have experienced the same once or twice....

So good for now but if you don't mind till us how you gather the peace's because we don't have experience thankfully

That’s rad

Love my Anytone AT-5555n. One of the best radios, I believe for the money, that is available. Incredible receiver and on point frequency. The real VFO is awesome too. Great video. Thanks. 73's from 107 "The Village Idiot" North Central Texas Radio

Custom = Home brew... Great attitude, making do with what you have, I've the same values. You got a new sub here from me, thanks for sharing.

I hit that invisible wall of design, all thee time, we think the circuit is the hard part. No my friend sometimes the circuit is the down hill part of life.

When someone has as much expertise and experience as you do, they can be tempted to move past the design/documentation stage, because they already know how 99% of the project must go. My humble suggestion would be to back up and do, or review, the design stage stuff. A flow chart of functions might help with the case layout, because it lends itself to consideration of the HID controls. You already have most of the circuit design. Reaching out for extra eyes and suggestions, as you have done, is brilliant, too. As for the component layout, to my eye, the transformers look like tubes... So, maybe a tube guitar amp construction would work... Build a metal chassis, mount the transformers on one side and dead-bug everything else on the other side. The, put that in a proper case. Hang in there! We are with you and for you. You will prevail! I can't remember, if I suggested the THAT brand of microphone op amps, if you need such. There are various models. I purchased the 1512 to play with. It is easily configured. Good specs. Sold at Mouser. HTH.

It's good to talk through the process, even though it van be frustrating. Keep up the good work.

Here is a test audio sample of the preamp circuit directly recorded utilizing two microphones (one each alone as monophonic as I only have one half of the circuit in test on the bench). Circuit noise is an issue because it's not actually built yet other than on breadboard, but soon enough it will be and encased and shielded from noise. For now enjoy... soundcloud.com/kagemichaels/new-stereo-microphone-preamplifier-build-test

De los mejores que he visto. He querido copiar el diagrama que subiste pero desgraciadamente no se ve muy claro. Solo soy aficionado a la electrónica pero le pongo mucho entusiasmo, ojala pudieras hacer el diagrama un poco mas claro, nuevamente te felicito y gracias por compartir tus conocimientos .

Muy bueno tu proyecto, yo arme ya dos detectores, pero no se comparan a este tuyo, deberías hacer un video de como lo desarrollaste seria estupendo. Felicidades!

Your nime ...nicola kage our ??? Im tomp reiader😇🤑🥵🥵🥵👹🤯

Hi hi whar is you i seking your i have your machine speed 😂😅🎉give me you shima .good good please welcomm and me m.

Thanks for a very informative video with some nice modifications. I have an interest in the Pirat detector, and I think that the full possibilities of the basic circuit have not been realized. I am intrigued by your search coil design. How was it constructed? What wire gauge did you use, and how many windings did you find to be the best? What frequency are you running the oscillator at? You mentioned the pulse width, are you adjusting the duty cycle of the 555 as well as the frequency? If so, how are you accomplishing this? I can offer one tip, and that is regarding the shielding of the coil. I have found that by winding a 1/2 inch wide strip of aluminum foil around the coil (through the coil itself, not around the diameter) gives an increase in sensitivity and depth. The foil winding needs a 1 inch gap between the two ends to prevent it from becoming a shorted turn. One end is connected to a dedicated ground wire in the cable from the search coil. Soldering to the foil can be tricky, but was accomplished by using a bit of vegetable oil as flux. If this is a project that you have a continuing interest in, I would welcome the opportunity to exchange ideas with you, perhaps through email or messenger. The Pirat is a project that I continue to return to in between other projects.

Good video! Nicely done. What is the output frequency of the pulse generator? Do you have a preference for coil diameter or wire gauge?

BTW this video is brought to you by hbr.org/2018/08/how-to-stop-saying-um-ah-and-you-know :D I admit it. I'm working on it! I deal with issues with social anxiety so making videos for the public is completely out of my league but hopefully in time I will get much better :)

When the filter kicks in it makes this keyboard worth 10 times of its original price

Awesome job!!!

Congratulation ! I am fan of this circuit. I will build this version. I am waiting the third víde. Tks from Brazil. Py2kdz

The Cabinet of Dr Fritz