VTP12186-1300 - Output Transformer Pull Pull EL91

Links


  • Order Code: VTP12186-1300.
  • Issue: 4.
  • Page Updated: 06 Feb 2017.
  • Change Request: X50465.
  • Release Note: Y11143.
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Specification

  • Valve Type: EL91.
  • 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): 24000.
  • Power Output (Watts): 4.
  • 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) = Patt35x1 DT.
  • Width (W) = 2 5/16 inch (59mm).
  • Depth (D) = 1 15/16 inch (49mm).
  • Height Above (HA) = 1 23/32 inch (44mm).
  • Height Below (HB) = 3/8 inch (10mm).
  • Fix Centres (FWxFD) = 1 5/8 inch x 1 1/2 inch (41mm x 38mm).
  • Cutout Hole (CWxED) = 1 1/2 inch x 1 7/8 inch (39mm x 48mm) ES.
  • Fix Size (FZ) = 5/32 inch (M3).
  • Weight (WT) = To be added later.

Circuit

Picture:dpe13157.gif Picture:dpe12582.gif Picture:dpe12586.gif

Connections

Function Connection
Anode A Pin 10
Ultra Linear (Grid) 43% A Pin 9
Ultra Linear (Grid) 20% A Pin 12
Centre Tap (Ht) Pin 8
Ultra Linear (Grid) 20% B Pin 14
Ultra Linear (Grid) 43% B pin 7
Anode B Pin 6
Output common Pin 11
Output 3 to 4 ohms Pin 12
Output 7 to 8 ohms Pin 13
Output 15 to 16 ohms Pin 14

Connection Layout

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Below


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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