Vacuum Tube - 12DW7 / ECC832, JJ Electronics, Dual Triode

Name: Vacuum Tube - 12DW7 / ECC832, JJ Electronics, Dual Triode
Brand: JJ Electronics
SKU: T-12DW7-JJ-X
Availability: PreOrder

Pictured: Regular

Pictured: Gold

Pictured: Regular

Pictured: Gold

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Product Options

Gold (T-12DW7-GOLD-JJ)

are currently out of stock and will be placed on backorder.

In the 12DW7/ECC832, Section 1 of the tube (pins 6, 7, and 8) is the high gain 12AX7/ECC83 spec (gain factor 100) and Section 2 (pins 1, 2, and 3) is the low gain 12AU7/ECC82 spec (gain factor 17).

ECC832 (T-12DW7-JJ-X)
	Section 1	Section 2
Pins	6, 7, 8	1, 2, 3
Gain	Factor of 100	Factor of 17
Spec	12AX7/ECC83	12AU7/ECC82

ECC823 (T-ECC823-JJ)
	Section 1	Section 2
Pins	6, 7, 8	1, 2, 3
Gain	Factor of 17	Factor of 100
Spec	12AU7/ECC82	12AX7/ECC83

SKU:

T-12DW7-JJ-X

Item ID:

004479

Brand:

JJ Electronics

Type:

Preamplifier, Gold Pin, Triode

RoHS Compliant

Accessory Items:

Damper Rings - High Temperature Silicone, Red

Part Numbers
Pin Type	Our Part Number	UPC/EAN	JJ Electronics Part Number
Gold	T-12DW7-GOLD-JJ	609722123495	ECC832 - GOLD
Regular	T-12DW7-JJ	609722123501	ECC832 - 12DW7

Measurements by Type
Measurements by Item

Body Height			49.2 mm
Cathode Current, system I (I_k)			≤ 8 mA
Cathode Current, system II (I_k)			≤ 20 mA
Filament Current (I_f)			300 / 150 mA
Filament Voltage (U_f)			6.3 / 12.6 V
Gain, System I (μ)			100
Gain, System Ii (μ)			17
Grid Resistance, system I (R_g)			2.2 MΩ
Grid Resistance, system II (R_g)			1 MΩ
Grid Voltage, system I (U_g)			≥ -50 V, -2 V typical
Grid Voltage, system II (U_g)			≥ -50 V, -8.5 V typical
Heater to cathode resistance, system I (R_k/f)			150 kΩ
Heater to cathode resistance, system II (R_k/f)			150 kΩ
Heater to cathode voltage, system I (U_k/f)			≤ 180 V
Heater to cathode voltage, system II (U_k/f)			≤ 180 V
Internal Resistance, system I (R_i)			62.5 kΩ
Internal Resistance, system II (R_i)			7.7 kΩ
Item Diameter			22 mm
Item Height			56.3 mm
Plate Current, system I (I_a)			1.2 mA
Plate Current, system II (I_a)			10.5 mA
Plate Dissipation, system I (W_a)			≤ 1 W
Plate Dissipation, system II (W_a)			≤ 2.75 W
Plate Voltage (U_a)			≤ 300 V, 250 V typical
Transconductance, system I (S)			1.6 mA/V
Transconductance, system II (S)			2.2 mA/V

Packaging Information
Packaging Dimensions	Gold version	T-12DW7-GOLD-JJ	1 in. × 1 in. × 2.5 in.
Packaging Dimensions	Regular version	T-12DW7-JJ	1 in. × 1 in. × 2.4 in.
Weight (Packaging)			0.0287 lbs.

T-12DW7-JJ - Regular version	Body Height	49.2 mm
	Cathode Current, system I (I_k)	≤ 8 mA
	Cathode Current, system II (I_k)	≤ 20 mA
	Filament Current (I_f)	300 / 150 mA
	Filament Voltage (U_f)	6.3 / 12.6 V
	Gain, System I (μ)	100
	Gain, System Ii (μ)	17
	Grid Resistance, system I (R_g)	2.2 MΩ
	Grid Resistance, system II (R_g)	1 MΩ
	Grid Voltage, system I (U_g)	≥ -50 V, -2 V typical
	Grid Voltage, system II (U_g)	≥ -50 V, -8.5 V typical
	Heater to cathode resistance, system I (R_k/f)	150 kΩ
	Heater to cathode resistance, system II (R_k/f)	150 kΩ
	Heater to cathode voltage, system I (U_k/f)	≤ 180 V
	Heater to cathode voltage, system II (U_k/f)	≤ 180 V
	Internal Resistance, system I (R_i)	62.5 kΩ
	Internal Resistance, system II (R_i)	7.7 kΩ
	Item Diameter	22 mm
	Item Height	56.3 mm
	Plate Current, system I (I_a)	1.2 mA
	Plate Current, system II (I_a)	10.5 mA
	Plate Dissipation, system I (W_a)	≤ 1 W
	Plate Dissipation, system II (W_a)	≤ 2.75 W
	Plate Voltage (U_a)	≤ 300 V, 250 V typical
	Transconductance, system I (S)	1.6 mA/V
	Transconductance, system II (S)	2.2 mA/V
T-12DW7-GOLD-JJ - Gold version	Body Height	49.2 mm
	Cathode Current, system I (I_k)	≤ 8 mA
	Cathode Current, system II (I_k)	≤ 20 mA
	Filament Current (I_f)	300 / 150 mA
	Filament Voltage (U_f)	6.3 / 12.6 V
	Gain, System I (μ)	100
	Gain, System Ii (μ)	17
	Grid Resistance, system I (R_g)	2.2 MΩ
	Grid Resistance, system II (R_g)	1 MΩ
	Grid Voltage, system I (U_g)	≥ -50 V, -2 V typical
	Grid Voltage, system II (U_g)	≥ -50 V, -8.5 V typical
	Heater to cathode resistance, system I (R_k/f)	150 kΩ
	Heater to cathode resistance, system II (R_k/f)	150 kΩ
	Heater to cathode voltage, system I (U_k/f)	≤ 180 V
	Heater to cathode voltage, system II (U_k/f)	≤ 180 V
	Internal Resistance, system I (R_i)	62.5 kΩ
	Internal Resistance, system II (R_i)	7.7 kΩ
	Item Diameter	22 mm
	Item Height	56.3 mm
	Plate Current, system I (I_a)	1.2 mA
	Plate Current, system II (I_a)	10.5 mA
	Plate Dissipation, system I (W_a)	≤ 1 W
	Plate Dissipation, system II (W_a)	≤ 2.75 W
	Plate Voltage (U_a)	≤ 300 V, 250 V typical
	Transconductance, system I (S)	1.6 mA/V
	Transconductance, system II (S)	2.2 mA/V