Vacuum Tube - 7591, JJ Electronics

Name: Vacuum Tube - 7591, JJ Electronics
Brand: JJ Electronics, Apex Matched
SKU: T-7591-S-JJ
Availability: InStock

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The JJ Electronic 7591 is a reliable and accurate reproduction of the classic tube. This 19 Watt pentode has been used in a variety of amplifiers including Hi-Fi amps and Ampegs. The JJ 7591 is a great replacement for any 7591 tube position.

Matched versions of this tube use Apex Matching

SKU:

T-7591-S-JJ

Item ID:

004803

Brand:

JJ Electronics, Apex Matched

Type:

Power

RoHS Compliant

Accessory Items:

Damper Rings - High Temperature Silicone, Red

Part Numbers
Single or Matched	Our Part Number	UPC/EAN	JJ Electronics Part Number
Apex Matched Pair	T-7591-S-JJ-MP	609722122924
Apex Matched Quad	T-7591-S-JJ-MQ	609722122931
Single	T-7591-S-JJ	609722122917	7591S

Measurements by Type
Measurements by Item

Product Measurements by Type
Body Height		93 mm
Cathode Current (I_k)		≤ 85 mA
Filament Current (I_f)		0.8 A
Filament Voltage (U_f)		6.3 V
Gain (μ)		16.8
Grid 2 dissipation (W_g2)		3.3 W
Grid Circuit Resistance (R_g), Cathode Bias		1 MΩ
Grid Circuit Resistance (R_g), Fixed Bias		0.3 MΩ
Grid Current 2 (I_g2)		8 mA
Grid Voltage 1 (U_g1)		-10 V typical
Grid Voltage 2 (U_g2)		≤ 440 V, 300 V typical
Grid capacitance (c_g1)		10 pF
Grid to Plate Capacitance (c_a/g)		0.25 pF
Item Diameter		33.3 mm
Item Height		79 mm
Plate Capacitance (c_a)		5 pF
Plate Current (I_a)		60 mA
Plate Dissipation (W_a)		≤ 19 W
Plate Voltage (U_a)		≤ 550 V, 300 V typical
Transconductance (S)		10 mA/V

Packaging Information
Packaging Dimensions	Apex Matched Pair version	T-7591-S-JJ-MP	4.8 in. × 3.3 in. × 1.6 in.
	Apex Matched Quad version	T-7591-S-JJ-MQ	4.8 in. × 3.3 in. × 3.3 in.
	Single version	T-7591-S-JJ	1.6 in. × 1.6 in. × 4.6 in.
Weight (Packaging)	Apex Matched Pair version	T-7591-S-JJ-MP	0.228 lbs.
	Apex Matched Quad version	T-7591-S-JJ-MQ	0.456 lbs.
	Single version	T-7591-S-JJ	0.114 lbs.

Product Measurements by Item
T-7591-S-JJ-MP - Apex Matched Pair version	Body Height	93 mm
	Cathode Current (I_k)	≤ 85 mA
	Filament Current (I_f)	0.8 A
	Filament Voltage (U_f)	6.3 V
	Gain (μ)	16.8
	Grid 2 dissipation (W_g2)	3.3 W
	Grid Circuit Resistance (R_g), Cathode Bias	1 MΩ
	Grid Circuit Resistance (R_g), Fixed Bias	0.3 MΩ
	Grid Current 2 (I_g2)	8 mA
	Grid Voltage 1 (U_g1)	-10 V typical
	Grid Voltage 2 (U_g2)	≤ 440 V, 300 V typical
	Grid capacitance (c_g1)	10 pF
	Grid to Plate Capacitance (c_a/g)	0.25 pF
	Item Diameter	33.3 mm
	Item Height	79 mm
	Plate Capacitance (c_a)	5 pF
	Plate Current (I_a)	60 mA
	Plate Dissipation (W_a)	≤ 19 W
	Plate Voltage (U_a)	≤ 550 V, 300 V typical
	Transconductance (S)	10 mA/V
T-7591-S-JJ-MQ - Apex Matched Quad version	Body Height	93 mm
	Cathode Current (I_k)	≤ 85 mA
	Filament Current (I_f)	0.8 A
	Filament Voltage (U_f)	6.3 V
	Gain (μ)	16.8
	Grid 2 dissipation (W_g2)	3.3 W
	Grid Circuit Resistance (R_g), Cathode Bias	1 MΩ
	Grid Circuit Resistance (R_g), Fixed Bias	0.3 MΩ
	Grid Current 2 (I_g2)	8 mA
	Grid Voltage 1 (U_g1)	-10 V typical
	Grid Voltage 2 (U_g2)	≤ 440 V, 300 V typical
	Grid capacitance (c_g1)	10 pF
	Grid to Plate Capacitance (c_a/g)	0.25 pF
	Item Diameter	33.3 mm
	Item Height	79 mm
	Plate Capacitance (c_a)	5 pF
	Plate Current (I_a)	60 mA
	Plate Dissipation (W_a)	≤ 19 W
	Plate Voltage (U_a)	≤ 550 V, 300 V typical
	Transconductance (S)	10 mA/V
T-7591-S-JJ - Single version	Body Height	93 mm
	Cathode Current (I_k)	≤ 85 mA
	Filament Current (I_f)	0.8 A
	Filament Voltage (U_f)	6.3 V
	Gain (μ)	16.8
	Grid 2 dissipation (W_g2)	3.3 W
	Grid Circuit Resistance (R_g), Cathode Bias	1 MΩ
	Grid Circuit Resistance (R_g), Fixed Bias	0.3 MΩ
	Grid Current 2 (I_g2)	8 mA
	Grid Voltage 1 (U_g1)	-10 V typical
	Grid Voltage 2 (U_g2)	≤ 440 V, 300 V typical
	Grid capacitance (c_g1)	10 pF
	Grid to Plate Capacitance (c_a/g)	0.25 pF
	Item Diameter	33.3 mm
	Item Height	79 mm
	Plate Capacitance (c_a)	5 pF
	Plate Current (I_a)	60 mA
	Plate Dissipation (W_a)	≤ 19 W
	Plate Voltage (U_a)	≤ 550 V, 300 V typical
	Transconductance (S)	10 mA/V