Pars

I wouldn't worry about that offset. I would adjust the trim pots a bit. The channel layout, looking at the top of the board from the front is: L- L+ R- R+ The two pots by the LEDs will adjust the overall offset for its respective channel. The other 4 pots will adjust the channel it is nearest to. If you have two meters and can watch the + and - of each channel at the same time, that would be best, as the pots will have some effect on the opposite + or -. Don't go overboard in adjusting trying to 0 everything out. As the amp heats up, the channels will drift without the servos in place. BTW, how did you do the onboard regs? Hot air station?

Those fuckers don't number their pins though...

What is the accepted std. pinout for team 5 pin? Use the current 4-pin pinout and add the gnd on pin ? Or? 1 - L+ 2 - L- 3 - R+ 4 - R- 5 - GND EDIT: Shure does it this way for the VP88 Pin 1: Shield/ground Pin 2: left channel + Pin 3: left channel - Pin 4: right channel + Pin 5: right channel -

Yes to most of it. For the LED resistors, which set the bias, I used 422 402R with LTST-C170CKT Lite-On LEDs. This gave me the 14-15mA bias. Running 402 422R with these LEDs will give you 12-13mA. You're going to try doing the onboard regs? Good luck, though the 2oz boards will make these easier than the 3oz were.

I'm using 10K pot with JFETs (Linear Systems). Batteries have noise as well, so if it were a GRLV, I'd be tempted to think it would be superior. Never tried it though. Can you fit the batteries in the case? And what would you do as far as the power switch goes?

Happy Birthday Marc! Sent from my iPhone using Tapatalk

Happy Birthday Dusty!

Build a Carbon... done.

Happy Birthday Peter!

Happy Birthday!

Happy Birthday Carl!

CSO Mahler 3 Awesome!

Yes I can spare 16. PM me.

Yeah, those seem to be a problem to find right now. I don’t know that I would trust anything from eBay. How many do you need? I may have enough that I could spare some. Sent from my iPhone using Tapatalk

What is wrong with her current MacBook Pro?

^ this. Very sorry Craig and Carole. Sent from my iPhone using Tapatalk

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I personally like Panasonic FR or FM, but haven't built this amp. Something that fits properly would be a good start. Right lead spacing, etc.

There was definitely professional cycling back then (guessing in the '50s?). And well before that. Fausto Coppi, Jacque Anquetil, Gino Bartoli, Alfredo Binda. Legends. Lots of them.

The BC856C variants are the SMD equivalent of the BC556C... you'd have to get or make adapters to use them though. They don't handle as much power also (320mW vs. 500 for the BC556C).

I’d you need an OPA445 in a DIP-8 package, the AP is pretty much your only choice. Does it work with other opamps? Your post makes it sound like it does. The OPA445 uses a standard single opamp pinout, from what I recall. Where did you source the ones you have from? Are they genuine? Sent from my iPhone using Tapatalk

Happy Birthday Stretch!

Happy Birthday John!