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In Reply to: RE: HK Citation 2 rebuild questions posted by jazbo8 on April 19, 2015 at 11:45:07
"Anyone continue with the practice of "salvaging" is either got more money than sense or just "out of the loop"."
Really? How about 40- or 50-year-old integrated amps with worn out pots and switches that can't be replaced, faceplates faded and scratched, and virtually every part needing replacement, including NLA capacitor cans, riveted-in tube sockets and banks of rear-panel jacks? Then there are those awful tone control PECs, sub-optimal bias designs and phono preamps that by modern standards bordered on "defective" even when they were in new working condition. Gimme a break. Anyone who strips this iron and uses it to create a modern, high performance system has done the audio world a favor.
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Buy Chinese. Bury freedom.
Follow Ups:
+1
You make many good points, however, we are not talking about beater units of pedestrian origins... Citation II, like most of Hegeman's designs are collector items, unless they are completely beyond repair, why would you want to strip them for parts? With some exceptions, these units could be brought back to life with some TLC, they are a part of electronics and American history, I think they should be perserved and appreciated as they are.
Unless you have a rare factory built that is in clean or mint condition,I let those alone.OTOH,a Dynaco ST70 turns my stomach in stock electrical condition.They are so anemic in every way they pretty much have to be modded to get real performance out of them.This is why there are so many aftermarket parts available for them,sort of like the small block Chevy.
The early ones had undersized power transformers and then you have that single GZ34 that struggled because it is being run close to its limit in that amp under dynamic conditions..The Knight KB85 used two GZ34s which made much more sense.They also used much more filtering than the Dyna ST70 which was a measly 90uf total.
Nobody ever went broke underestimating the intelligence of the American public
H. L. Mencken
Of course, I'm referring to amps in the condition I described. MOST are now in that condition or worse, due to age. I have no qualms about converting any of them into modern tube amplifiers, and I have a dozen or so in storage just waiting their turn. :)
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Buy Chinese. Bury freedom.
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