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170.28.4.4
In Reply to: Dayton RCA jacks posted by soundnut on April 23, 2007 at 07:43:55:
I installed a pair in a vintage SAE amp I refurbished last year, to replace the stock nickel-plated jacks. I agree they are an excellent value. BTW, the amp sounds wonderful.
Follow Ups:
Good to know they're solid jacks, 'cuz I went ahead and ordered them. I was told by their tech guy that they're pretty solid, so I think they'll be ok.Nice amp, by the way! :-)
nt
"David! You can KILL a man with a chopstick!" -Keith Charles, Six Feet Under
In addition to replacing the input and output connectors, I also:
Replaced the stock power cord with a Furutech IEC inlet.
Replaced all of the electrolytic caps.
Replaced the transistors and diodes on the output protection circuit board.
Did a couple of performance-improving mods to the output protection circuit recommended by the folks at DIY Audio.
Fixed one non-working meter.
Added power resistors to slow down the cooling fan and lessen noise (with the fan disconnected, during normal listening the heatsinks never get more than faintly warm).
Adjusted the DC offset.
Cleaned up the boards, chassis and removed rust spots.
I've already done most of what you describe, save for the actual diode and transistor replacements on my DH-200. The power supply caps (as well as just about every other electrolytic on the boards) have been upgraded/increased.The power cord is the next cadidate, as are some updated (read new and NOT nos) power supply caps (donar amp was an Audioquest pro sound amp, circa mid 80's).
These amps do not sound like the typical stock Hafler Dh-200s at all! Surprised the hell out of me when I fired them up for the first time. I'm sure that Musical Concepts driver boards may be the next "real" mod step, but for the moment, I'm actually pretty happy...
"David! You can KILL a man with a chopstick!" -Keith Charles, Six Feet Under
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