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Jocko Homo 24th November 2003 03:54 PM

2-way crossover PCB for sale
2 Attachment(s)
This is something that is left over, from an old job.....years ago. Might as well offer them here with all the recent interest in crossovers. (Actually forgot that I still had some.)

It uses 2SK170s in a Sallen-Key configuration. Designed to do second, or third order. Additonal output buffer intended to be used with a volume control (for subwoofer).

Has independent regulators for each channel.

Image is the best that I do with my scanner and forum limitations. The PCB is around 11.5" x 6".

$60 each........postage thrown in. E-mail for details.


Da5id4Vz 24th November 2003 07:00 PM

Is it your design?

Are there two channels/board?

Didja build some? Ifya did didja like it?

Schematics and parts list included?

Inquiring minds need to know.

Jocko Homo 24th November 2003 09:59 PM

#1. Yes.

#2. Yes.

#3. Yes, the customer was happy. But the deal feel through. He decided to have someone closer to home build his. And then that guy promptly went out of business. Original customer was too embarrased to call me back. He eventually went out of business too. (Welcome to the wonderful world of high-end audio.)

#4. I can make it. I'm lazy....I keep all the answers in my head.

#5. Other questions?? Date code on board is 9531. That is why I forgot that I had them.


Da5id4Vz 24th November 2003 11:42 PM

Regarding #3 so the customer was happy, but did you like they way it sounded?

Yup, Im interested, I'll E-mail tonight (after my wife is asleep) or tomorrow from work.

Keep all the documentation in your head? Pretty clever IP security. Triple DES too no doubt.



Jocko Homo 25th November 2003 01:17 AM

I didn't actually listen to it, as I did not have the speakers that it was designed for. I designed it the same way that most everything else I did. So, I see no reason why it wouldn't sound good. Too bad the customer wanted some schmuck down the road to make his instead.

Oh, did I mention that he eventually confessed that the first build from the other guy sounded like $%&^&%$%)***. Full of op-amps.

As for documentation: it takes time from other more important stuff. If it never breaks, it doesn't matter. The people that I had here to assemble boards were shown by me how to make the first one, and they were on their own after that.

What a great guy to work for! [JOKE!]


Da5id4Vz 25th November 2003 08:58 PM

2 Attachment(s)
I'm sure I can scratch together an almost legible schematic (Visio) from the PCB. As for the values and tolerances on the components, well letís just say I'm no Fred and I'll be mostly lost without some guidance there.

I'll try not to be a nuisance, but I'll need to try a little help from my friends.

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