Power Supplies For Sale

Daiwa PS-304 II

30 AMP adjustable PSU

Hefty (8Kg) linear Power supply capable of delivering 30+ Amps at 20 Volts.

In very good clean condition

Will easily handle 100W amateur radio transceivers. (This one is 240V AC input)


  • 30 Amps Continuous
  • 20V Max voltage
  • Multiple outputs on front
  • Analogue meter switched to display current or voltage


Daiwa PS-304II

Yeasu FP-80A

Designed for use with the FT-480R / FT-680R / FT-780R transceivers.
Output voltage of 13.8 VDC at 4.5 amps, with excellent regulation.

In very good condition, with slight scratch to top cover near the rear.

Fitted with chrome "Bail Bar" to raise the front to match the transcievers.


  • Input voltage: 100/110/117/200/234 VAC, 50/60 Hz
  • Output Voltage: 13.8 VDC +- 10%
  • Output Current: 4.5A, 50% duty cycle
  • Ripple: 50 mV p-p (100V input, 4.5A)
  • Case size: 118(w) x 57(h) x 237(d) mm (Including heat sink)
  • Weight: Approximately 2.2 Kg



Yeasu FP-80A
Yeasu FP-80A
HP 6296A

60 Volts at 3 Amps CC or CV operation

Heavy duty power supply from around 1966, fully working and in very good condition. Suitable for 100% duty cycle at full rated outputs.

Constant current or constant voltage operation.

  • Remote sensing and programming
  • Auto-series, auto-parallel, and auto-tracking
  • Front and rear output terminals
  • Floating output (300VDC) to serve as positive or negative source
  • 180 Watt output
  • Single meter to read 0-7V, 0-70V, 0-0.4A, or 0-4.0A
  • Output ratings (0 - 55°C): 0-60 V, 0-3 A
  • Ripple and noise (20 Hz to 20 MHz): CV: 500 uV rms, 25 mV peak-to-peak; CC: 3 mA rms
  • Line regulation: 0.01% + 1 mV, 0.05% + 1 mA
  • Load regulation: 0.01% + 1 mV, 0.05% + 1 mA
  • Physical Specifications: Weight: 11.3 kg (25 lb); Dimensions: 210 mm W x 131 mm H x 435 mm D (8.25 in x 5.16 in x 17.13 in)




HP 6296A HP 6296A
HP 6296A

TTi EX354T

Tripple output 300 Watt Bench PSU

High quality switching bench/Lab PSU with dual output (fully metered) 35V at 4.0 Amps, and additional 3.3/5.0 5.0Amp output. Still available new at over £500

  • 2 x 0-35V at 4.0 Amps
  • 1 x 3.3/5.0V at 5.0 Amps
  • Constant Voltage, or Constant current (Current limiting)
  • Output Impedence 5mOhm (CV) or 50kOhm (CC).
  • All outputs fully floating to 300V
  • Output protection to 3Amp reverse current, or 40V forward voltage
  • 0.01% Load and Line Regulation
  • 110 to 240 VAC 50/60Hz
  • 4.3Kg

More information

Service Manual available on request





TTi EX354T
TTi EX354T TTi EX354T

Palstar PS50 40A Linear Power Supply

A very heavy duty (regulated) power supply, for powering HF radios and high power amplifiers up to 400W.
Twin meters show voltage and current.

  • Variable output -  3-15V
  • Voltage meter
  • Current meter
  • Thermostatically controlled fan
  • Over current warning indicator
  • Short circuit protection
  • Heavy duty terminals
  • 205 x 157 x 335mm

Fully working and tested.

Note one of the outer terminal screws is missing from the +ve terminal. Cables can still be secured using the inner Knurled terminal screw.


Palstar PS-50

Palstar ps-50Palstar PS-50

Palstar PS-50

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