Tube Amp Archive

Hi Dave, I have just finished my first amp, a TW Express, and I went thru the bias just a couple of weeks ago, that means I'm probably not a reputable source of informations but I'll try to help. For 70% dissipation @400V EL34's should be biased around 40-45mA. I guess you have biased the amp a bit ...

Hi Tony I fixed a broken TSL100 almost a year ago. It had the OT shorted, and two EL34 on one side had the getters completely cleared up (one tube was shorted) The problem was the PCB, to be specific the material of the PCB. It seems that the high temperature generated by the tubes compromised the i...

Dear Mark, I really feel sorry for that... I just started building my first amp a couple weeks ago after reading for the third time Mr. Worley's Express building guide. I probably should have posted 200 times asking for help, but I'm trying to use what is already available on the forum, I use the se...

Can I have a copy of the "package" please ?
Thank you very much !!!

nino@studio21.ch