HT Transformers for Valve Amplifiers.

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[U-Clamp Style] [Frame Style] [Drop-Through Style] [Shroud with Feet Style] [HT transformers]
U-Clamp Frame Drop-Through Shroud with Feet HT Transformers

  • Page Updated 16 Mar 2008.

  • A range of HT (High Tension)Transformers optimised for Valve Equipment.
  • Circuit options include:
    • Bridge Rectifier.
    • Full Wave Rectifier.
    • Heater Secondaries.
    • Vibrator Input.

  • Models suitable for Solid State or Valve Rectifiers.
  • Some models are available in 'Magnetics kits' with better prices for a set of magnetics.
  • Low flux density for low distortion and low external magnetic fields.
  • Professional quality materials.
  • Varnish Impregnated for Low Acoustic noise.
  • Compliant with current safety requirements.
  • Special versions made to order.
  • Several styles available for most designs.

Order Codes and Datasheet Links

Order Code Description Clamp Frame Drop Through Metal Shroud with Feet
VTH101 range Mains 10-0-200-220-240 50/60Hz
Bridge rectifier 265 VRMS 180mA DC
VTH102 range Mains 10-0-200-220-240 50/60Hz
Full Wave rectifier 265-0-265 VRMS 180mA DC
U clamp not available for this size
VTH103 range Mains 10-0-200-220-240 50/60Hz
Full Wave rectifier 265-0-265 VRMS 180mA DC
Heater 6.3 VRMS C-Tap 4 Amp
U clamp not available for this size
VTH104 range Mains 10-0-200-220-240 50/60Hz
Full Wave rectifier 265-0-265 VRMS 180mA DC
Heater 6.3 VRMS C-Tap 4 Amp
Rectifier Heater 0-4-5-6.3 VRMS 2 Amp
U clamp not available for this size
VTH105 range Mains 10-0-200-220-240 50/60Hz
Full Wave rectifier 190-0-190 VRMS 65mA DC
Heater 6.3 VRMS 2 Amp
VTH106 range Mains 10-0-200-220-240 50/60Hz
Bridge rectifier 300 VRMS 180mA DC
U clamp not available for this size
VTH107 range Mains 10-0-200-220-240 50/60Hz
Full Wave rectifier 300-0-300 VRMS 125mA DC
Heater 6.3 Volts Centre tapped 3.1 Amp
Heater 6.3 Volts 1 Amp
Siuitable for Mullard 5-10 mono amplifier
U clamp not available for this size
VTH110 range Mains 10-0-200-220-240 50/60Hz
Full Wave rectifier 410-0-410 VRMS 200mA DC
Heater 6.3 Volts Centre tapped 3 Amp
Heater 6.3 Volts Centre tapped 2 Amp
Rectifier heater 5 Volts 2 Amps
Suitable for Mullard 5-20 mono amplifier
U clamp not available for this size
VTH111 range Mains 10-0-200-220-240 50/60Hz
Full Wave 300-0-300 VRMS 160mA DC
Heater 6.3 Volts Centre tapped 2 Amp
Heater 6.3 Volts 1 Amp
Suitable for Mullard 3-3 stereo amplifier
U clamp not available for this size
VTH112 range Mains 10-0-200-220-240 50/60Hz
Full Wave rectifier 300-0-300 VRMS 80mA DC
Heater 6.3 Volts C-Tap 1 Amp
Heater 6.3 Volts 1 Amp
Suitable for Mullard 3-3 mono amplifier
VTH114 range Mains 10-0-200-220-240 50/60Hz
Full Wave rectifier 410-0-410 VRMS 400mA DC
Heater 6.3 Volts Centre tapped 6 Amp
Heater 6.3 Volts Centre tapped 2 Amp
Rectifier heater 5 Volts 2 Amps
Suitable for Mullard 5-20 stereo amplifier
U clamp not available for this size
VTH115 range Mains 10-0-200-220-240 50/60Hz
Full Wave rectifier 300-0-300 VRMS 250mA DC
Heater 6.3 Volts C-Tap 6.2 Amp
Heater 6.3 Volts 1 Amp
Suitable for Mullard 5-10 stereo amplifier
U clamp not available for this size
VTH116 range Mains 10-0-200-220-240 50/60Hz
Full Wave rectifier 350-0-350 VRMS 250mA DC
Heater 6.3 VRMS C-Tap 7 Amp
U clamp not available for this size
VTH117 range Mains 10-0-200-220-240 50/60Hz
Full Wave rectifier 350-0-350 VRMS 250mA DC
Heater 6.3 VRMS C-Tap 7 Amp
Rectifier Heater 0-4-5-6.3 VRMS 2 Amp
U clamp not available for this size
VTH118 range Mains 10-0-200-220-240 50/60Hz
Full Wave 65-0-65 VRMS 50mA DC
Rectify(Silicon) and smooth for 90 V DC HT
Filament 1.5-0-1.5 VRMS 300mA
Rectify(Silicon) & Smooth For 1.4 Volt Valves
VTH119 range Mains 10-0-200-220-240 50/60Hz
Full Wave rectifier 65-0-65 VRMS 50mA DC
Rectify(Silicon) and smooth for 90 V DC HT
Filament 5.8-0-5.8 VRMS 80mA
Rectify(Silicon) & Smooth For Series of four 1.4 Volt Valves
VTH126 range Mains 10-0-200-220-240 50/60Hz
Optimised for Isolating AC/DC amplifiers and radios
AC Output 240 VRMS 180mA RMS or DC
U clamp not available for this size

© 2008 Variable Voltage Technology Ltd. Document Number DCW12704.