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In Reply to: RE: DAC Output Stage - order placed! posted by bcherry on January 02, 2010 at 16:53:41
on the underside of the existing analog board to mount the 22 and 51 ohm resistors.
- What's the minimum wattage I can get away with?
- Will metal film resistors be fine?
Mike
Follow Ups:
> - What's the minimum wattage I can get away with?
1/8 Watt (0.125W)
> - Will metal film resistors be fine?
Yes.
DIY - Done Right!
and is making sweet music!
Here are a few photos of the installation:
I nestled the power transformer behind the existing power switch, after relocating a few circuit boards.
The transformer was fastened to the chassis with one 6MM bolt thru the bottom.
To fit the tube output board, I had to remove the video portion of the player. This was not a problem
for me as I use the unit for CD playback only. An aluminum plate was fabricated to mount to (4) newly
vacant mounting tabs....in turn, the board was bolted to that plate.
The output signals were taken to a pair of chassis mounted RCA jacks installed into some unused holes.
The sound is very good! Smooth, extended frequency response, and very musical....MUCH better than stock!
Thanks for all the help Brian,
Mike
Hi Mike,
Would you mind sending me an e-mail through the forum system, I'd like to ask you something in private?
Ciao T
Thanks Mike for taking the time to post that and your listening impressions. The word is finally get out that real tube anode output as opposed to a tube buffer delivers the music.
worst: opamps
better: tube buffer
best: tube output stage
regards
Brian
DIY - Done Right!
Brian
Where does passive IV conversion with transformer fit into this list?
Regards
Grantn
We haven't done any A/B comparisons as difficult to implement. But I would expect it to sound very good if done right.
regards
Brian
DIY - Done Right!
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