Does your amp sound hum....when your ear close it

got a concentra 2 , hear hum....when ear close to it
power problem or else? Is it normal?

thanks

vsfang04-21-2002 2:28pm

fatparrot Details Discussions Posts This discussion Message User 1,314 posts 04-21-2002 at 05:19pm Copy Comment URL Report Comment Edit Delete Probably just the transformer(s) doing their stuff. I'm not familiar with this amp, but since you imply that you can't hear the hum until you put your ear next to the amp, not to worry...unless this is your normal listening position!!! Happy Tunes!
killerpiglet Details Discussions Posts This discussion Message User 373 posts 04-22-2002 at 12:49am Copy Comment URL Report Comment Edit Delete My Rogue 120 magnums hum; I spoke to Mark and he said this is not unusual for tube amps. You have to be very close, and it has to be very quiet to notice. KP
vegasears Details Discussions Posts This discussion Message User 922 posts 04-22-2002 at 01:55am Copy Comment URL Report Comment Edit Delete My Jolida JD 1000 has a very low level hum. I only hear it when I right on top of it. So, I sit about 8' away and enjoy the music.
zaikesman Details Discussions Posts This discussion Message User 3,017 posts 04-22-2002 at 04:14am Copy Comment URL Report Comment Edit Delete Yes, it is normal for your amp to hum, when it doen't know the words.
jeffloistarca Details Discussions Posts This discussion Message User 1,004 posts 04-22-2002 at 03:56pm Copy Comment URL Report Comment Edit Delete I put my ear up against my amp, second degree burn on my ear. Dammit