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Links
- Order Code: VTP12923-1200.
- Issue: 8.
- Page Updated: 28 Jul 2016.
- Change Request: X50450.
- Release Note: Y11003.
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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): 3300.
- Power Output (Watts): 20.
- 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.
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Mounting Arrangement
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Mechanical Dimensions
- Size (SZ) = Patt78x1/1/4 FR.
- Width (W) = 3 7/8 inch(98mm).
- Depth (D) = 2 3/4 inch(70mm).
- Height (H) = 3 1/4 inch(83mm).
- Core/frame (L) = 2 3/8 inch(60mm).
- Fix Centres (FWxFHxFD) = 2 1/2 inch x 2 1/2 inch x 1 7/8 inch(64mm x 64mm x 48mm).
- Fix Size (FZ) = 3/16 inch(M4).
- Pin Length(P) = 1/4 inch(6mm).
- Weight (WT) = 4lb 3oz(1.9KG).
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Circuit
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Connections
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Function
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Connection
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Anode A
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Pin 16
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Ultra Linear (Grid) 43% A
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Pin 15
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Ultra Linear (Grid) 20% A
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Pin 14
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Centre Tap (Ht)
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Pin 13
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Ultra Linear (Grid) 20% B
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Pin 12
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Ultra Linear (Grid) 43% B
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Pin 11
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Anode B
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Pin 10
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Output common
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Pin 17
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Output 3 to 4 ohms
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Pin 18
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Output 7 to 8 ohms
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Pin 19
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Output 15 to 16 ohms
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Pin 20
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Connection Layout
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Front
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Back
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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.
© 2016 Variable Voltage Technology Ltd
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