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Specification
- Valve Type: EL90
- Primary Circuit Type: Ultra-pushpull-Univ
- Secondary Circuit Type: Univ-ls
- Valve Res.Load Anode (ohms): 10000
- Power Output Watts: 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
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Size
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Width (W)
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Depth (D)
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Height (H)
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Core/frame (L)
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Fix Centres (FWxFHxFD)
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Fix Size
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Pin Length(P)
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Weight
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Patt29x1 FR
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3 1/8 inch(79mm)
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2 1/4 inch(57mm)
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2 5/8 inch(67mm)
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2 1/8 inch(54mm)
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2 1/8 inch x 2 1/8 inch x 1 5/8 inch(54mm x 54mm x 41mm)
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3/16 inch(M4)
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1/4 inch(6mm)
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.
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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 12
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Ultra Linear (Grid) 43% A
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Pin 11
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Ultra Linear (Grid) 20% A
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Pin 10
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Centre Tap (Ht)
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Pin 18
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Ultra Linear (Grid) 20% B
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Pin 9
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Ultra Linear (Grid) 43% B
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Pin 8
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Output common
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Pin 13
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Output 3 to 4 ohms
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Pin 14
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Output 7 to 8 ohms
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Pin 15
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Output 15 to 16 ohms
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Pin 16
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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.
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