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Vacuum Tube, 12DW7 / ECC832, JJ Electronics, Dual Triode, Standard Pins, Preamp

$ 10.3 ~~$ 20.59~~

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Description Information Reviews

Name	Value
Restocking Fee	No
Return shipping will be paid by	Buyer
All returns accepted	Returns Accepted
Item must be returned within	60 Days
Refund will be given as	Money Back
Brand	JJ Electronics
MPN	T-12DW7-JJ
Compatible Brand	Any
Compatible Model	Any
Features	None
Amplifier Type	Unknown
Item Diameter	22 mm
Item Height	56.3 mm
Body Height	49.2 mm
Filament Voltage (U<sub>f</sub>)	6.3 / 12.6 V
Filament Current (I<sub>f</sub>)	300 / 150 mA
Plate Voltage (U<sub>a</sub>)	≤ 300 V, 250 V typical
Plate Current, system I (I<sub>a</sub>)	1.2 mA
Plate Current, system II (I<sub>a</sub>)	10.5 mA
Grid Voltage, system I (U<sub>g</sub>)	≥ -50 V, -2 V typical
Grid Voltage, system II (U<sub>g</sub>)	≥ -50 V, -8.5 V typical
Transconductance, system I (S)	1.6 mA/V
Transconductance, system II (S)	2.2 mA/V
Gain, System I (μ)	100
Gain, System Ii (μ)	17
Internal Resistance, system I (R<sub>i</sub>)	62.5 kΩ
Internal Resistance, system II (R<sub>i</sub>)	7.7 kΩ
Plate Dissipation, system II (W<sub>a</sub>)	≤ 2.75 W
Cathode Current, system II (I<sub>k</sub>)	≤ 20 mA
Heater to cathode voltage, system II (U<sub>k/f</sub>)	≤ 180 V
Heater to cathode resistance, system II (R<sub>k/f</sub>)	150 kΩ
Grid Resistance, system II (R<sub>g</sub>)	1 MΩ
Plate Dissipation, system I (W<sub>a</sub>)	≤ 1 W
Cathode Current, system I (I<sub>k</sub>)	≤ 8 mA
Heater to cathode voltage, system I (U<sub>k/f</sub>)	≤ 180 V
Heater to cathode resistance, system I (R<sub>k/f</sub>)	150 kΩ
Grid Resistance, system I (R<sub>g</sub>)	2.2 MΩ
Type	Vacuum Tube