audio-talk

NOS Mullards for £14 has its attractions. Be interested what you think of them Paul.

Paul Barker wrote: ↑Fri Apr 05, 2024 4:03 pm

simon wrote: ↑Sat Jan 06, 2024 8:38 pm Hmmm, I've lost my Sound Practices CD so don't have a copy of that 45 CCS circuit, well that's probably a good thing.

I lost mine, its greating.

It must be somewhere in my very many CDs, but goodness knows where

Greg wrote: ↑Fri Apr 05, 2024 2:54 pm Simon, just sent the build instructions and diagrams by email to you.

Thanks Greg

And Phil, thanks too. You can stand down

Out of interest does anyone have a copy of the WAD ECL82 amp circuit? Nothing's turned up from a web search.

Right. I've been round in my usual circles of indecision with this. I spent quite a lot of time working out physical arrangements in AutoCAD as it's tricky squeezing so many chokes in to a compact space. Then I worried about proximity of all the iron and wondered if I really need to breadboard it. T...

A question for Nick. IIRC you mentioned when I popped round that you use ceramic caps to ground the input phonos - I used film as that's what I had to hand - are ceramics a better choice for this application? Does it make any difference?

The PCBs arrived yesterday so first job was to replace the RIAA filter board. Using my DMM on VAC (no point me trying to do it with a scope!) and it looks like there's 1mV less with the new board. The volume really does need to be all the way up now with no music playing to hear the hum. Nice. Next ...

Think we can agree those aren't very nice then!

Is vintage silver mica good? Good question. I bought some big Russian silver mica caps years ago when Russian caps were still dirt cheap on ebay. The only time I found a use for them was in a high pass filter in front of the 45SET I'm using now and they were pretty horrid, the sound seemed broken s...

Impressive Ray, looks like a commercial unit.

I can't remember, did you use Front Panel Express to 3D print the front cover?

Nuts. Or rather great!

Cressy Snr wrote: ↑Sat Mar 30, 2024 11:10 am You knew I wouldn’t be able to resist didn’t you!

And could you hear any difference? I'm guessing not as you didn't comment?

Happy 70th Mike! Hope you've had a good day.