[Heathkit] Heath HP-23 question

[Edward B Richards]

All SB / HW 100 series use the 300 volts lo B+. All HP-23 have selectable
low B+. Either 250 or 300 VDC. Some have a switch and some require a
change of connection under the chassis. If you need wire colors, etc. let
me know.

73, Ed Richards K6UUZ
AMI member #1534


On Wed, 27 Apr 2005 14:49:39 -0400 Richard Franzson <franzsrf at umdnj.edu>
writes:
> I have a HP 23 with a toggle switch for LV-off-HV. On the SB 101 
> which
> setting do I use? And on a SB-102 which setting do I use?
> Also,  can someone please tell me why the newer HP 23 power supply 
> has
> an option for voltage levels. And the old version HP 23 did not.
> 
> Tnx,
> Rich KE2VM
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