The EC-1028 was used in the Henry 2000D amplifier.
As for the primary / secondary connections, yes, the primary connections are
made through machine screw terminals and the secondary connections made through
VERY large solder terminals.
Glen, K9STH
Website: http://k9sth.com
________________________________
From: Shagbark Acres <gbenko@prodigy.net>
To: Donald Fox <taurusshoguy@yahoo.com>; "amps@contesting.com"
<amps@contesting.com>
Sent: Monday, July 29, 2013 8:19 AM
Subject: Re: [Amps] Henry transformer
Transformers used in Henry Amplifiers
1171A, 3900 VDC @ 800 MA CCS (as used in 3KA, 2K Classic X, 3K Classic X, amps
with 8877or two 3-500
1214A, 4400 VDC @ 800 MA CCS (as used in 3K Premier, 3K ULTRA, 3K Classic X
MKII, amps with 3CX1200A7
George K8BRW
________________________________
From: Donald Fox <taurusshoguy@yahoo.com>
To: amps@contesting.com
Sent: Monday, July 29, 2013 9:06 AM
Subject: [Amps] Henry transformer
Mike and Glen:
Henry used the ECA transformers in the 80's and 90's from what I have learned
by working on them.
I believe you have the primary/secondary relationship reversed though.
Typcially, the primary on these is the mounted screw terminals and the
secondaries are the large three solder lugs.
Most if not all of the Henry console type amps are choke input filtering, so
the AC rating on these puppies is higher than it would be for a typical
capacitive filter system.
I expect that the secondary on that thing will be 4000, 5000, or even 6000
volts AC which is a bunch.
An email to Ted Henry may tell you all you need to know.
D
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