Biasing the Friedman Kitchen Sink

[Alpha Stryke]

 

[Alpha Stryke]

 

[midnightlaundry]

How much did you pay for that custom Bias Board??

 

[Alpha Stryke]

How much did you pay for that custom Bias Board??

Its old growth Honduran from a 10K slab.

 

[chadprsman]

How much for that table?

 

[Alpha Stryke]

How much for that table?

 

[psychodave]

I get that the bias plug in is easy, but using a meter is a lot faster IMO. Yes, it’s more dangerous, but once you learn, you would have little risk.

 

[Alpha Stryke]

Compu bias displays PV / Ma & Wattage output in pairs real time. Great gadget cept the guy stopped selling them right after i got it.
Ive not had a problem. I'll run it into the ground and when it dies be "happy to pay my tech to take the Zap for me".




115,000 volts

 

[peterc52]

I get that the bias plug in is easy, but using a meter is a lot faster IMO. Yes, it’s more dangerous, but once you learn, you would have little risk.

How do you do it with only a multimeter? Say a old marshall?

 

[Alpha Stryke]

How do you do it with only a multimeter? Say a old marshall?

You have to poke around the underside of Hot tube sockets with live 480vdc.
My eyesight be going thru changes.
I have to wear a headlamp & glasses just to solder pots and shit now.