[Heathkit] HP23 Supplies

[Glen Zook]

No brainer!  The HP-23A has both 6.3 VAC and 12.6 VAC filament voltage, fixed and adjustable bias, has the switch to go between the low voltage settings (250 VDC and 300 VDC), and has dual primary transformer (120 VAC / 240 VAC).

The HP-23 requires a wiring change to go from 250 to 300 volts and has only a single 120 VAC primary.

The HP-23B and HP-23C (also PS-23) have only 12.6 VAC filament voltage and only fixed bias.  
 
Glen, K9STH


Website:  http://k9sth.com


________________________________
 From: Ronnie Hull <w5sum at glowbugs.com>
To: Heathkit at mailman.qth.net 
Sent: Sunday, December 4, 2011 11:19 AM
Subject: [Heathkit] HP23 Supplies
 
Okay fellers here is a puzzler for ya's

If you had one each of every model of HP23 power supply ( HP23, A, B or C ) and you could only keep ONE of them, which one would you keep.

Lets presume ALL of them are in great shape physically and electrically..

W5SUM - Ronnie
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