12DW7 / ECC832, JJ Electronics, Apex Performance Tested, Preamp

USD 22.59 USD

SKU: Icm77ZDl

Brand: JJ Electronics

MPN: T-12DW7-JJ-PT

GTIN: Does Not Apply

Condition: New

Tags: 1 MΩ 1.2 mA 1.6 mA/V 10.5 mA 100 150 kΩ 2.2 mA/V 2.2 MΩ 22 mm 300 / 150 mA 49.2 mm 56.3 mm 6.3 / 12.6 V 62.5 kΩ 7.7 kΩ Any JJ Electronic JJ Electronics None T-12DW7-JJ-PT Unknown Vacuum Tube ≤ 1 W ≤ 180 V ≤ 2.75 W ≤ 20 mA ≤ 300 V, 250 V typical ≤ 8 mA ≥ -50 V, -2 V typical ≥ -50 V, -8.5 V typical

Categories: Vintage Electronics

Specifications

Brand	JJ Electronics
MPN	T-12DW7-JJ-PT
Compatible Brand	Any
Compatible Model	Any
Features	None
Amplifier Type	Unknown
Body Height	49.2 mm
Cathode Current, System I (Ik)	≤ 8 mA
Cathode Current, System II (Ik)	≤ 20 mA
Filament Current (If)	300 / 150 mA
Filament Voltage (Uf)	6.3 / 12.6 V
Gain, System I (μ)	100
Grid Resistance, System I (Rg)	2.2 MΩ
Grid Resistance, System II (Rg)	1 MΩ
Grid Voltage, System I (Ug)	≥ -50 V, -2 V typical
Grid Voltage, System II (Ug)	≥ -50 V, -8.5 V typical
Heater To Cathode Resistance, System I (Rk/f)	150 kΩ
Heater To Cathode Resistance, System II (Rk/f)	150 kΩ
Heater To Cathode Voltage, System I (Uk/f)	≤ 180 V
Heater To Cathode Voltage, System II (Uk/f)	≤ 180 V
Internal Resistance, System I (Ri)	62.5 kΩ
Internal Resistance, System II (Ri)	7.7 kΩ
Item Diameter	22 mm
Item Height	56.3 mm
Plate Current, System I (Ia)	1.2 mA
Plate Current, System II (Ia)	10.5 mA
Plate Dissipation, System I (Wa)	≤ 1 W
Plate Dissipation, System II (Wa)	≤ 2.75 W
Plate Voltage (Ua)	≤ 300 V, 250 V typical
Transconductance, System I (S)	1.6 mA/V
Transconductance, System II (S)	2.2 mA/V
Type	Vacuum Tube

JJ Electronic 12DW7 / ECC832. This tube is Apex® Performance Tested. Grid Resistance, system I (Rg) 2.2 MΩ. Grid Resistance, system II (Rg) 1 MΩ. Heater to cathode resistance, system I (Rk/f) 150 kΩ.

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12DW7 / ECC832, JJ Electronics, Apex Performance Tested, Preamp

Specifications

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