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Heathkit HP-23 AC Power Supply with Interface Cord for Many Heathkit Radios

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MPN:
HP-23
Condition:
Used
Shipping:
$30.00 (Fixed Shipping Cost)
  • Vintage Heathkit HP-23 AC power supply with upper cabinet for standalone operation. Collector quality, provides HV/LV/Bias/Filament for SB/HW series rigs. Working after long storage. Classic ham radio PSU. Nationwide shipping available.
  • Vintage Heathkit HP-23 AC power supply with upper cabinet for standalone operation. Collector quality, provides HV/LV/Bias/Filament for SB/HW series rigs. Working after long storage. Classic ham radio PSU. Nationwide shipping available.
  • Vintage Heathkit HP-23 AC power supply with upper cabinet for standalone operation. Collector quality, provides HV/LV/Bias/Filament for SB/HW series rigs. Working after long storage. Classic ham radio PSU. Nationwide shipping available.
  • Vintage Heathkit HP-23 AC power supply with upper cabinet for standalone operation. Collector quality, provides HV/LV/Bias/Filament for SB/HW series rigs. Working after long storage. Classic ham radio PSU. Nationwide shipping available.
  • Vintage Heathkit HP-23 AC power supply with upper cabinet for standalone operation. Collector quality, provides HV/LV/Bias/Filament for SB/HW series rigs. Working after long storage. Classic ham radio PSU. Nationwide shipping available.
  • Vintage Heathkit HP-23 AC power supply with upper cabinet for standalone operation. Collector quality, provides HV/LV/Bias/Filament for SB/HW series rigs. Working after long storage. Classic ham radio PSU. Nationwide shipping available.
  • Vintage Heathkit HP-23 AC power supply with upper cabinet for standalone operation. Collector quality, provides HV/LV/Bias/Filament for SB/HW series rigs. Working after long storage. Classic ham radio PSU. Nationwide shipping available.
$149.99
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Description

Heathkit HP-23 AC Power Supply with Interface Cord for Many Heathkit Radios,  including the HW & SB series. The interface cord with Octal plugs is included.

 This power supply is in Excellent Condition.

 I Tested this power supply about a year ago with a radio and it work very well with no obvious problems.

  It can also be used with other rigs like RL Drake & Collins with rewiring.

 As with most vintage power supplies, it would be prudent to replace the original electrolytic capacitors as they are getting quite old.

 I am selling it as is, as described.

Complete HP-23 manual at the link below:
 
The HP-23 is an early model (introduced ~1963) in Heathkit’s popular series of heavy-duty AC power supplies for their tube-type amateur radio equipment. It was designed primarily for the HW-12/22/32 Singlebanders, SB-series twins, and similar rigs. The original HP-23 provides all necessary voltages in a compact chassis. The optional upper cabinet (also called a top cover or stand) converts it for standalone desktop use instead of mounting in a speaker.
 
w6ze.org
Key Specifications (Original HP-23)
  • High Voltage (HV): ~820 V DC no-load, ~700 V at 250 mA load
  • Low Voltage (LV): Selectable ~350 V or 275 V (via internal wiring)
  • Bias: Fixed -130 V (plus adjustable -40 to -80 V at low current)
  • Filament: 12.6 V AC @ 5.5 A with center-tap (allows 6.3 V @ ~11 A)
  • Power Input: 120 VAC, 50/60 Hz
  • Filtering: Choke-input on HV for low ripple
  • Connections: 11-pin socket (octal-style), rear adjustable bias pot
  • Front Panel: Power switch + neon pilot light
  • Size (chassis): ~9" x 4¾" footprint, taller than earlier supplies
  • Weight: ~16–18 lbs
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