Valve Audio Single ended Output Transformers

Links

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

  • Page Updated 31 Jul 2017.
  • Colour code change for secondaries will be implemented gradually:
  • Common - no change - Black
  • 3/4 ohms - was Blue - will be Grey
  • 7/8 ohms - was Brown - will be White
  • 15/16 ohms - was Red - will be Pink
  • This is being done to prevent conflict with primaries.

  • Single Ended Output Transformers for Power Amplifiers.
  • Transformers are designed to match the valve data in our valve data page.
  • Alternative Ra or HT figures can be supplied. Call or Email to check feasability.

  • Transformers are initally designed for a particular valve and circuit but may be used with any valve with similar Anode resistance (Ra) and voltage rails.
  • Inductance is a nominal figure.

  • Multi-section interleaved windings for low leakage inductance.
  • Low flux density for low distortion and low external magnetic fields.
  • Professional quality materials.
  • Compliant with current safety requirements.
  • Impedance matched to specific valves and loudspeakers at rated RMS wattage.
  • Grain Orientated Thin Iron Cores.
  • Gapped cores to define inductance.
  • Special versions made to order.


Order Codes and Datasheet Links

Range Codes:

  • N = Normal (Standard range for general use).
  • S = Simple (Reduced primary complexity).
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Status Order Code Range Description Clamp Frame Drop Through Metal Shroud with Feet
VTS14674 range N 211.
RMS Power 30 Watts.
Primary Ra 7600 ohms.
Output 3 8 and 16 ohms.
U clamp not available for this size
VTS13142 range N 6L6.
RMS Power 12 Watts.
Primary Ra 4200 ohms.
Output 3 8 and 16 ohms.
VTS13141 range N 6V6.
RMS Power 6 Watts.
Primary Ra 8500 ohms.
Output 3 8 and 16 ohms.
VTS12570 range N 807.
RMS Power 12 Watts.
Primary Ra 6000 ohms.
Output 3 8 and 16 ohms.
Alternative shape to VTS12570 VTS18740 range N 807.
RMS Power 12 Watts.
Primary Ra 6000 ohms.
Output 3 8 and 16 ohms.
VTS12560 range S DL96.
RMS Power 0.25 Watts.
Primary Ra 13000 ohms.
Output 3 ohms.
Frame not available for this size Drop-through not available for this size Feet+shroud not available for this size
VTS12992 range N ECL80.
RMS Power 2 Watts.
Primary Ra 11000 ohms.
Output 3 8 and 16 ohms.
VTS12567 range N ECL82.
RMS Power 4 Watts.
Primary Ra 9000 ohms.
Output 3 8 and 16 ohms.
VTS13326 range N ECL86.
RMS Power 5 Watts.
Primary Ra 7000 ohms.
Output 3 8 and 16 ohms.
VTS13131 range N EL34.
6CA7.
RMS Power 12 Watts.
Primary Ra 2000 ohms.
Output 3 8 and 16 ohms.
New VTS12173 range S EL84.
6BQ5.
RMS Power 3 Watts.
Primary Ra 5200 ohms & 10H.
Output 8 ohms only.
Optimised for Mullard 3-3.
VTS12927 range N EL84.
6BQ5.
RMS Power 3 Watts.
Primary Ra 5000 ohms & 10H.
Output 3 8 and 16 ohms.
Optimised for Mullard 3-3.
VTS12198 range N EL84.
6BQ5
RMS Power 5.7 Watts.
Primary Ra 5200 ohms.
Output 3 8 and 16 ohms.
VTS12569 range N EL86.
RMS Power 6 Watts.
Primary Ra 2500 ohms.
Output 3 8 and 16 ohms.
VTS13122 range N EL90.
RMS Power 6 Watts.
Primary Ra 5000 ohms.
Output 3 8 and 16 ohms.
VTS13156 range N EL91.
RMS Power 1.4 Watts.
Primary Ra 24000 ohms.
Output 3 8 and 16 ohms.
VTS12558 range N EL95.
RMS Power 3 Watts.
Primary Ra 10000 ohms.
Output 3 8 and 16 ohms.
VTS12568 range N KT66.
RMS Power 8 Watts.
Primary Ra 2200 ohms.
Output 3 8 and 16 ohms.
VTS12613 range N KT88.
RMS Power 10 Watts.
Primary Ra 3500 ohms.
Output 3 8 and 16 ohms.
Alternative shape to VTS12613 VTS18739 range N KT88.
RMS Power 10 Watts.
Primary Ra 3500 ohms.
Output 3 8 and 16 ohms.

© 2017 Variable Voltage Technology Ltd. Document Number DCW13260.
Issue Number: 12 - Dated: 31Jul2017 - FRACAS: X50492 - Release: Y11287.