• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Bias Adjustment Question

Status
This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.
Help me understand this please ! I have a marshall el84 20/20 power amp. Inside is a sticker and instructions to adjust bias to 70mv. No problem there done it lots of times, but.........Could I go colder ie 30mv or hotter say 100mv? What I am seeking is early break up. What effect does the bias setting have on this ? I know too hot shortens tube life. Power output is not an issue as matter of fact less is more so .... ? What would be a "safe" range for me to try ?

Thanks for your knowledge and willingness to enlighten those of us who are as of yet un-informed and inexperienced !


Dave
 
Status
This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.