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previous: DonJ Grettings, I have a question in my ... -- 6/3/2000 7:56 PM	View Thread

Re: High B+ in homebrew

6/4/2000 12:08 PM
Ray Ivers	Re: High B+ in homebrew Don, Just a thought... a choke-input power supply would drop your voltage quite a bit; I calculate roughly in the neighborhood of 400 volts with the choke-input supply. This type of PS has good voltage regulation characteristics, so the 'sag' if any will have to come from the tube rectifier, not the PS itself. I don't know how a big choke is going to fit into your chassis layout scheme, though, and I've found they throw a pretty good hum field when carrying the entire amplifier B+ current. Ray Ivers R.A.G.E. Electronics

6/4/2000 12:08 PM

Ray Ivers

Re: High B+ in homebrew

Don,

Just a thought... a choke-input power supply would drop your voltage quite a bit; I calculate roughly in the neighborhood of 400 volts with the choke-input supply. This type of PS has good voltage regulation characteristics, so the 'sag' if any will have to come from the tube rectifier, not the PS itself. I don't know how a big choke is going to fit into your chassis layout scheme, though, and I've found they throw a pretty good hum field when carrying the entire amplifier B+ current.

Ray Ivers
R.A.G.E. Electronics

Replies:

DonJ Ray,Come to think of it the hammond... -- 6/4/2000 12:39 PM