|26th December 2009, 05:36 AM||#1|
Join Date: Sep 2006
Active Bias System module questions / usage
Posted this in DIY HiFi's forum at the Asylum also:
Brian....a few questions on this for a unique usage.
I'm building a pair of mono amps, separate chassis for each.
They will be a 2 stage amp with the stages direct coupled and using stacked power supplies. One P.S. at about B+ 450v and the other about B+ at 1.1KV. Driver stage tube will be a DHT EML 20b and the output tube will be an Eimac 304TL, also a DHT. Both will have independant DC power supplies for their filament voltage.
The bias requirements on the driver is -12.1 volts, filament requirement is 5v @ 1.4 amps. It will be using a shunt regulated voltage regulated DC power supply.
The bias reuirements for the 304TL are -68v, the filament requirement is 5v @ 25 amps. It will be using a stand alone SMPS (switching mode power supply)
Can I use the Active Bias Supply in this situation? and how would you propose hook-up?
Thanks and Regards
|27th December 2009, 06:00 PM||#2|
Previously: Kuei Yang Wang
Join Date: Nov 2002
Allow me to chip in...
Kind regards Thorsten
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