This is a multi-part message in MIME format.
------=_NextPart_000_001B_01BDE877.006652A0
Content-Type: text/plain;
charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
Just about all relays are available in 12 V. DC or 24 V. DC but not
necessarily in the voltages available in amplifiers.
The SB-220s I'm upgrading, and some other amps don't have the right AC
voltage to rectify for either 12 or 24 V. clickedy appliances. They have
4.8 V. AC, 80 V. AC and 117 V. AC. I devised an inexpensive way to add
12-15 V. and 24-26 V. DC availability.
I installed two miniature DC power supplies on the under side of the amp.
One 12-15 v., 300 ma and one 24-26 v., 300 ma. These provides DC for relay
or utility operations. I Gooped two Radio Shack miniature 12 v. PCB type
transformers to the under side close to the front edge under the variables,
mounted upside down with terminals up. I paralleled their primaries to the
80 V. AC output from fil transformer and put secondaries in series and
tapped for 12 V. and 24 V. 1 A. bridge rectifier/filter circuits. The 12
V. circuit operates the inrush protection relay and the 24 V. circuit
provides power for the R/T relay.
When I install Rich Measures QSK circuit I'll need to add the 150 V. DC
transformerless PS circuit also.
Bob Hutchinson, N5CNN
bhut@nol.net
713 467-0077
------=_NextPart_000_001B_01BDE877.006652A0
Content-Type: application/ms-tnef;
name="winmail.dat"
Content-Transfer-Encoding: base64
Content-Disposition: attachment;
filename="winmail.dat"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------=_NextPart_000_001B_01BDE877.006652A0--
--
FAQ on WWW: http://www.contesting.com/ampfaq.html
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
Search: http://www.contesting.com/km9p/search.htm
|