Hello, new member here. I have a Maz 8 combo that has a slight hum, but only in triode mode. When I switch to Pentode, it is silent. The hum in triode is constant, with or without a cable plugged in, volume up or down. Maybe this is normal? Any ideas? Thanks!
Did you get your Maz 8 new ? Doc ships them stock with a Russian military 6n14n / El84 power tube. It's a very sturdy tube, long lived and quiet. If you don't have the stock 6n14n, or if you do and need a new one, I'd recommend contacting forum member Perry R. ztalk.proboards.com/user/8193 He's the source for the stock tube, which I understand is a different version of the 6n14n that's sold by various tube retailers.
Some other things I've noticed effect the hum level in my Maz 8 would be, how hard I'm hitting the front end with an overdrive pedal, how high I set the Volume, Master Volume, Cut & Reverb knobs. Single coils or Humbuckers, flourescent lights on, and how well grounded is the circuit I'm plugged into, etc.
It's possible to make a single ended amp hum loudly. It's also possible to minimize the hum level. Just depends on how you set it up. I can't hear any hum when I'm playing, it's not a problem for me. Others find it annoying.
Since your hum seems to be effected by the Pentode / Triode switch, what Z Steve said .... start with the output tube.
Hi guys, thanks for the advice. I am the second owner of the amp, it was retubed with a JJ el84 recently, but before I purchased it. I did try to swap another el84, with no noticable change. I will try some different outlets/circuits in the house to see if there is any change. Then I will swap preamp tubes one by one. I'll post my findings. I could be making something out of nothing, it's a slight hum, most would not notice it. Thanks for your help.
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The Bad Poodle Experience: well, Mike, it shouldn't have been the cause of a leak. double-check your work.
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GuitarZ: I updated in the Plumbing thread that the Moen website says that a faulty aerator can cause a handle/base leak. Eiyy! I really don't understand how plumbing works. I was ready to double check all connections. But, the leaking stopped with cleaned Aerator.
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