VTP13308-1240 - EL34 25watt 3Hz Sub-Woofer Output Transformer

Links


  • Order Code: VTP13308-1240.
  • Issue: 2.
  • Page Updated: 06 Feb 2017.
  • Change Request: X50465.
  • Release Note: Y11152.
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Specification

  • Valve Type: EL34.
  • Primary Circuit Name: Ultra-pushpull-Univ-a.
  • Primary Circuit Type: a.
  • Secondary Circuit Name: Univ-ls-pin.
  • Secondary Circuit Type: p3815.
  • Valve Res.Load Anode (ohms): 3500.
  • Power Output (Watts): 25.
  • Primary Inductance (Henries): 10.
  • Construction: Interleaved Grain Oriented Core.
  • Winding: Multiple Interleaved Sections.
  • Treatment: Vacuum Varnish Impregnated.
  • Application: Ultra Linear Push Pull Valve Power Output.
  • Range: Standard.

Mounting Arrangement

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Mechanical Dimensions

  • Size (SZ) = Patt248x1 3/4 FR.
  • Width (W) = *5 1/4 inch (133mm).
  • Depth (D) = *4 1/2 inch (114mm).
  • Height (H) = *4 3/8 inch (111mm).
  • Core/frame (L) = *3 1/2 inch (89mm).
  • Fix Centres (FWxFHxFD) = *3 1/2 x 3 1/2 inch (89mm x 89mm).
  • Fix Size (FZ) = *1/4 inch (M6).
  • Weight (WT) = *To be added later.

Circuit

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Connections

Function Connection
Anode A Brown wire 15
Ultra Linear (Grid) 43% A Red wire 14
Ultra Linear (Grid) 20% A Orange wire 14
Centre Tap (Ht) Yellow wire 12
Ultra Linear (Grid) 20% B Green wire
Ultra Linear (Grid) 20% B Green wire 12
Ultra Linear (Grid) 43% B Blue wire 12
Anode B Mauve wire 11

Connection Layout

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Front

Back


Application Notes


  • Safety note: Warning. This part may be connected to high voltage. Disconnect then discharge for 5 minutes before working on circuit.
  • See also Links on Left of this page.

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