Pilgrim's!
i'm looking at a PT with secondary specs of 290-0-290 @ 220mA and further on in the description it says open circuit voltages 311-0-311 @ 240V [regulation 7.1%]
so doe's this mean the open circuit is HT with no load just primary in?
trying to be accurate with my next PT buy!
HT open circuit
Moderators: zaphod_phil, Daviedawg, Graydon, CurtissRobin, colossal
-
zaphod_phil
- Builder, Admin
- Posts: 15208
- Joined: Wed 03/19/03 2:00 am
- Location: YYZ
Re: HT open circuit
Yes, that looks correct. PTs have a lot of sag when loaded.
1 x
Nature abhors a clean tube amp
-
geoff 1965
- Verbose poster
- Posts: 1118
- Joined: Mon 01/04/16 3:52 pm
Re: HT open circuit
would there be any adverse effect in using this PT with a HT current rating of 220mA in a 18W? i.e. would i need the current draw of 4 el84's to bring the open circuit voltages down to 290-0-290?
0 x