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 Sansui AU-3900 good amplifier?

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lex
post Aug 15 2013, 03:44 PM

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From: Dagobah
QUOTE(wim1983 @ Aug 15 2013, 03:26 PM)
Saw a garage sales thread selling this amplifier Sansui AU-3900, can you all give some opinions, I intend buy it to drive passive speakers with impedance range from

5ohm to 8ohm

power range:
35WX2RMS

Besides, not sure it can drive Sennheiser HD 598 as well provided it has a phone jack hmm.gif
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Looks OK, as its power output is just a bit less than your speakers. Also from information on the net, it could drive load impedances from 4 to 8 Ohms. Since its quite old, make sure its still in good working condition by requesting for a test if possible... hmm.gif

lex
post Aug 16 2013, 02:49 PM

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QUOTE(wim1983 @ Aug 16 2013, 09:33 AM)
So such amp also can have "run-out" capacitors with some age?
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Most capacitors especially electrolytic ones do age over time (usually capacitance decreases and ESR increases). The only exception is C0G/NP0 ones (considered as the near perfect dielectric). Thus the first ones to check are always the capacitors in the power supply section... tongue.gif

QUOTE(Leolabs @ Aug 16 2013, 11:09 AM)
Even a working one will have,as you know those old days technology
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Probably the noise floor of the power amplifier... wink.gif

This post has been edited by lex: Aug 16 2013, 03:13 PM
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