• 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.

n=22 sowtwers 100watts?

hi all,
I came across a couple of cheap ul sowter output transformers 100watts. n=22, so 4 ohm speakers would reflect to 2000 ohms. I was thinking using a quad of 6l6gc (ra-a=3800) in parallel push pull to kind of match the impdedance. When i draw the load lines, i find them steap though. Is this an okay choice? just would like to get some input from you guys. Thank you.

Regards, Daniel.
 
> When i draw the load lines

Show your work.

However 4k/pair is a happy load in guitar amps for 6L6GC at 450V and 40W-50W/pair.

> 6l6gc (ra-a=3800)

The "3800" is not "in the tube". The tube may be worked at a verry wide range of loads within ratings. I once abused a solo 6550 with 10k 5k and 2.5k. After adjusting supply voltage and current, it worked about the same in all 3 conditions.
 
Thank you for you reply, these are the loadlines. i wanted to bias them at about 35 mA. I have two 160mA transformers 0-300 Volts. I'm a bit on the edge of what the transformers can manage.
 

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