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6F1 Triode Pentode Tube (Unit)

The 6F1 is a reliable and durable triode-pentode tube, offering very good musical characteristics. It can be used for many applications and can replace ECF80, 6LN8, 6F1N, 6F1P, 6Ф1N, or 6BL8 tubes.
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Reference : 20059
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2,92 € tax excl.

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Shipping date: 05-11-2025.

Orders placed before 12h (GMT+1) will generally be shipped the same day (working day).

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3 >Month warranty
 
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6F1 Triode Pentode Tube ECF80 / 6F1N / 6F1P (Unit)

6F1 : Front view


The 6F1 is a reliable and durable triode-pentode tube, offering very good musical characteristics. It can be used for many applications and can replace ECF80, 6LN8, 6F1N, 6F1P, 6Ф1N, or 6BL8 tubes.

6F1 : Specifications

Technical characteristics

General specifications
Product typeTube
Tube typeTriode-Pentode
Number of pins9
Filament heating voltage (Vf)6.3V
Filament heating current (If)420mA
Nominal operating conditions (pentode)
Anode voltage (Va)170V
Grid 2 voltage (Vg2)170V
Grid 1 voltage (Vg1)-2V
Anode current (Ia)10mA
Grid 2 current (Ig2)2.8mA
Amplification coefficient (K)2480
Internal resistance0.4MΩ
Slope (S)6.2mA/V
Nominal operating conditions (triode)
Anode voltage (Vat)100V
Grid voltage (Vg)-2V
Anode current (Iat)14mA
Amplification coefficient(K)20
Internal resistance4kΩ
Slope(S)5mA/V
Capacitances (pentode)
Grid 1 capacitance (Cg1)5.5pF
Anode capacitance (Ca)3.8pF
Anode-grid 1 capacitance (Cag1)<= 0.025pF
Capacitances (triode)
Grid capacitance (Cg)2.5pF
Anode capacitance (Cat)1.8pF
Anode-grid 1 capacitance (Catg)1.5pF
Capacitances (between pentode and triode)
Pentode-anode triode capacitance<= 0.07pF
Pentode-grid triode anode capacitance<= 0.02pF
Pentode-anode triode grid 1 capacitance<= 0.16pF
General
Weight12g
Total dimensions (with pins)Ø22 x 53mm
QuanittySold by unit
 
Data sheet
Contacts number9
Tube typeTriode-Pentode
 
Delivery

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6F1 Triode Pentode Tube ECF80 / 6F1N / 6F1P (Unit)
6F1 Triode Pentode Tube ECF80 / 6F1N / 6F1P (Unit)
The 6F1 is a reliable and durable triode-pentode tube, offering very good musical characteristics. It can be used for many applications and can...

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