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

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

Heathkit HP-23B AC Power Supply for Many Heathkit Radios including the SB series. The interface cord with Octal plugs is included.

 This power supply is in Very Good Condition.

 I do not have a working radio to test it with but I did hook it up to a radio which did not work in the transmit mode and the HV looked good on the meter and it powered up the radio with all tubes lit and no obvious problems.

 The HP-23B is an upgraded power supply from the earlier versions HP-23 and HP-23A.

  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.

The HP-23B is a heavy-duty AC power supply from the late 1960s/early 1970s, designed to power Heathkit SB-series and HW-series amateur radio transceivers (such as the SB-301/SB-401 or HW-101). The "B" version is a refined model in the HP-23 family. It provides all necessary voltages in one compact unit and is popular for both kit-built stations and standalone operation when paired with the optional upper cabinet (which adds a top cover and feet for desk use without being mounted in an SB-600 speaker).
 
 
Key Specifications
  • Outputs:
    • High Voltage (HV): ~820 V DC (no load) / ~700–750 V loaded
    • Low Voltage (LV): Switchable 350 V or 275 V DC
    • Bias: Fixed -130 V DC (or adjustable in some configs)
    • Filament: 12.6 V AC (higher current capacity than earlier models)
  • Power Requirements: 120/240 V AC, 50/60 Hz, ~350 watts
  • Filtering: Extensive capacitor filtering and choke for clean DC output
  • Protection: Fuse, bleeder resistors
  • Dimensions (supply only): Approx. 9" L x 4¾" W x 6¾" H
  • Weight: ~16 lbs
  • Connections: Octal socket or Jones plug (depending on config), with cable to transceiver
Free Manual PDF (highly recommended):

 

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