sonzera 20

The odds of this are pretty wild but the brand new Sonzera 20 combo I ordered this week, turned up with the reverb function dead on arrival. The store I bought it from in Sydney were going to take weeks to replace it (even though they had more stock) so I ended up purchasing another new Sonzera...

Good aftermorning amplified officianado's. I have started to notice my Sonzera 20 is becoming more and more noisy on the clean channel. The noise is a 60 cycle hum combined with the crackle of an open spark somewhere nearby. The dirty side sounds as it should with only a slight background hiss...

I traded for this amp a few months ago, but it appears fairly new. It has a crackling sound, like intermittent static, not long after it’s on. Any ideas? It seems to be a noisy amp anyway - a lot of hiss when pushed up even only half way. This occurs even on the clean channel - I don’t like the...

New member here, does anyone have any information on biasing the Sonzera 20 combo please? I've looked on line and searched this forum with no luck. Don't need to do it now, but will in the future and given the adjustment can be done from the outside, thought I'd like to know details. Thanks in...

I just received my Sonzera 20, and generally I'm pleased, but something seems not right. With the amp on and guitar plugged in, and volume on the Clean channel at ZERO, it still has some volume. It's kind of a ever so slightly dirty sound too. Also, at certain settings, switching from the...

What are the tubes in a Sonz. 20w Combo, and where can they be purchased? Thanks, Max Bob