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Vacuum Tube - 7591, JJ Electronics

Vacuum Tube - 7591, JJ Electronics

JJ Electronics
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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.

Apex Tube Matching
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
Part Numbers
Single or MatchedOur Part NumberUPC/EANJJ Electronics Part Number
Apex Matched PairT-7591-S-JJ-MP609722122924
Apex Matched QuadT-7591-S-JJ-MQ609722122931
SingleT-7591-S-JJ609722122917 7591S
Body Height93 mm
Cathode Current (Ik)≤ 85 mA
Filament Current (If)0.8 A
Filament Voltage (Uf)6.3 V
Gain (μ)16.8
Grid 2 dissipation (Wg2)3.3 W
Grid Circuit Resistance (Rg), Cathode Bias1 MΩ
Grid Circuit Resistance (Rg), Fixed Bias0.3 MΩ
Grid Current 2 (Ig2)8 mA
Grid Voltage 1 (Ug1)-10 V typical
Grid Voltage 2 (Ug2)≤ 440 V, 300 V typical
Grid capacitance (cg1)10 pF
Grid to Plate Capacitance (ca/g)0.25 pF
Item Diameter33.3 mm
Item Height79 mm
Plate Capacitance (ca)5 pF
Plate Current (Ia)60 mA
Plate Dissipation (Wa)≤ 19 W
Plate Voltage (Ua)≤ 550 V, 300 V typical
Transconductance (S)10 mA/V
Packaging Information
Packaging DimensionsApex Matched Pair versionT-7591-S-JJ-MP4.8 in. × 3.3 in. × 1.6 in.
Apex Matched Quad versionT-7591-S-JJ-MQ4.8 in. × 3.3 in. × 3.3 in.
Single versionT-7591-S-JJ1.6 in. × 1.6 in. × 4.6 in.
Weight (Packaging)Apex Matched Pair versionT-7591-S-JJ-MP0.2204 lbs.
Apex Matched Quad versionT-7591-S-JJ-MQ0.4408 lbs.
Single versionT-7591-S-JJ0.1102 lbs.
T-7591-S-JJ-MP - Apex Matched Pair versionBody Height93 mm
Cathode Current (Ik)≤ 85 mA
Filament Current (If)0.8 A
Filament Voltage (Uf)6.3 V
Gain (μ)16.8
Grid 2 dissipation (Wg2)3.3 W
Grid Circuit Resistance (Rg), Cathode Bias1 MΩ
Grid Circuit Resistance (Rg), Fixed Bias0.3 MΩ
Grid Current 2 (Ig2)8 mA
Grid Voltage 1 (Ug1)-10 V typical
Grid Voltage 2 (Ug2)≤ 440 V, 300 V typical
Grid capacitance (cg1)10 pF
Grid to Plate Capacitance (ca/g)0.25 pF
Item Diameter33.3 mm
Item Height79 mm
Plate Capacitance (ca)5 pF
Plate Current (Ia)60 mA
Plate Dissipation (Wa)≤ 19 W
Plate Voltage (Ua)≤ 550 V, 300 V typical
Transconductance (S)10 mA/V
T-7591-S-JJ-MQ - Apex Matched Quad versionBody Height93 mm
Cathode Current (Ik)≤ 85 mA
Filament Current (If)0.8 A
Filament Voltage (Uf)6.3 V
Gain (μ)16.8
Grid 2 dissipation (Wg2)3.3 W
Grid Circuit Resistance (Rg), Cathode Bias1 MΩ
Grid Circuit Resistance (Rg), Fixed Bias0.3 MΩ
Grid Current 2 (Ig2)8 mA
Grid Voltage 1 (Ug1)-10 V typical
Grid Voltage 2 (Ug2)≤ 440 V, 300 V typical
Grid capacitance (cg1)10 pF
Grid to Plate Capacitance (ca/g)0.25 pF
Item Diameter33.3 mm
Item Height79 mm
Plate Capacitance (ca)5 pF
Plate Current (Ia)60 mA
Plate Dissipation (Wa)≤ 19 W
Plate Voltage (Ua)≤ 550 V, 300 V typical
Transconductance (S)10 mA/V
T-7591-S-JJ - Single versionBody Height93 mm
Cathode Current (Ik)≤ 85 mA
Filament Current (If)0.8 A
Filament Voltage (Uf)6.3 V
Gain (μ)16.8
Grid 2 dissipation (Wg2)3.3 W
Grid Circuit Resistance (Rg), Cathode Bias1 MΩ
Grid Circuit Resistance (Rg), Fixed Bias0.3 MΩ
Grid Current 2 (Ig2)8 mA
Grid Voltage 1 (Ug1)-10 V typical
Grid Voltage 2 (Ug2)≤ 440 V, 300 V typical
Grid capacitance (cg1)10 pF
Grid to Plate Capacitance (ca/g)0.25 pF
Item Diameter33.3 mm
Item Height79 mm
Plate Capacitance (ca)5 pF
Plate Current (Ia)60 mA
Plate Dissipation (Wa)≤ 19 W
Plate Voltage (Ua)≤ 550 V, 300 V typical
Transconductance (S)10 mA/V

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Specifications, Files, and Documents

PDF: Specification Sheet Specification Sheet454.11 KB
Questions? Contact us at [email protected], or give us a call at 480-755-4712