Yeah, but shipping is free!
If you follow the 10/1 rule you could use a simple 1k-1k voltage divider or however much attenuation you need. The DAC should be able to handle that.
Hi guys
I lost track of this thread with the diyaudio upgrade a few months back,but I've just read through the last 20 or so pages.
Anyway, I just wanted to check the latest recommended configuration on the A20s. I'm looking at 680R on the primaries and an LPF across the secondaries using 1K & 0.001uf.
Does anyone have a different recommendation?
Cheers
I lost track of this thread with the diyaudio upgrade a few months back,but I've just read through the last 20 or so pages.
Anyway, I just wanted to check the latest recommended configuration on the A20s. I'm looking at 680R on the primaries and an LPF across the secondaries using 1K & 0.001uf.
Does anyone have a different recommendation?
Cheers
I wouldn't put 680 across the primaries, split it up and put it in series with the chip output legs. That way the trafo sees around 800 or so and the chip sees a load it can handle. If you put it across the primaries the chip will see around 300ohms in the audio band and a near dead short at the DC level. That's not good.
Thanks Bill. Sorry for my confused statement. I meant 2x680R in series with the primaries.
Yeah, but shipping is free!
If you follow the 10/1 rule you could use a simple 1k-1k voltage divider or however much attenuation you need. The DAC should be able to handle that.
Thanks Bill, I was thinking of doing just that. Instead I opted for sending output to my marantz ht receiver, using it as a preamp. Sadly, the sound quality takes a hit. I even A/B'd vs. the receiver's dac and there's no difference. Whatever the Marantz has for analog stage makes all things equal(ly mediocre). I see a B1 or ESP preamp w/ remote control volume in the future...
My output with Monacors is also a bit high (prior to mod it was even higher). Curently, I'm listening from Foobar with 0,00 db atennuation. Is it OK to attenuate from there? Or do I also need resistors?
I have read half this thread so far,and whataboat UTC A-21 can they be used?
are they any good?
are they any good?
I bought latest version with upsampling and chips on adapters. I removed adapter with CS4398 DAC and plugged in it's place an adapter with PCM1798. I connected it's current outputs to transformers 1:10 with primary center taps grounded. And.... it sounds marvellous, far, far better than CS4398 with best trafo. There's no return to CS4398, no way!
Last edited: