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    Building, troubleshooting and testing of these amplifiers should only be
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    the safety precautions around high voltages.

Recommended upgrades for Yaqin Tube Buffer ?

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Greetings,

I manage to put my hand on a mint Yaqin Tube Buffer with additional new tubes:
2X Telefunken CV4010
2X Valve electronic CV4010 KQDD/K

I believe the unit is the first edition (CD1!?) with two exposed tubes and point-point wiring inside.

I intend to use it between my computer analog output and the 6CH DIY Class-D amp (Tripath TA2020) in order to play and experiment with "tube" stereo sound (the buffer will only "sit" on the front L/R channels).

The speakers are KEF CODA 70 book-shelfs...

- Are there any recommended modifications for this unit (apart from trying different tubes) ?
Link will be great...

- Any suggestions on automatically controlling On/Off from the PC or the Tripath amp? (anything other than building a separate relay box) ?

How much current does it consume when "idle" - i.e. no input signal? (will it indeed consume full power anyhow?)

Regards,
Gal
 
Apparently I've got the second edition CD2 wit the two 6J1 tubes,
It actually looks pretty well built !
Any suggestions or interesting ideas?
What should I check? (groundings etc..)
 

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Greetings,

I intend to use it between my computer analog output and the 6CH DIY Class-D amp (Tripath TA2020) in order to play and experiment with "tube" stereo sound (the buffer will only "sit" on the front L/R channels).


Regards,
Gal

how is the sound when u plug this setup ? I too am expecting the amp wanted to know how quality when u hv something like 2ch source->yaqin->tripath->speakers. Do the mids sound mellow and bass is spot on ?
 
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