2. amps-preamps
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??slight hum from the speakers ?

System:
Usher mini-dancer 2 speakers
Emotiva XPA-1 monoblocks, Emotiva ERC-2 CD player
Mystere ca21 pre-amp

Just received the Mystere pre-amp & noticed a slight hum when nothing is playing, compared to dead silence with my other Emotiva pre-amp UPS1

Is it to be expected with a valve pre-amp??
audiogonaudiophile68

Showing 1 response by audiogonaudiophile68

audiogonaudiophile68 OP
1 posts
 
thanks
will try your suggestions & let you know how I go
I must admit you can hear the crackling (faint) as the pre-amp warms up so changeing or replacing the tubes might be the way to go

cheers
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