Description: Product Details Vacuum Tube, 7591, JJ Electronics, Apex Matched Quad, Power, Package of 4.0000T-7591-S-JJ-MQPackage of 4.0000 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. These tubes are matched using Apex Matching. Not what you're looking for? Check out our other products in this category:Vacuum Tubes -> PowerClick here to visit our ebay store's homepage.MeasurementsProduct Measurements:Body Height93 mmCathode Current (Ik)≤ 85 mAFilament Current (If)0.8 AFilament Voltage (Uf)6.3 VGain (μ)16.8Grid 2 dissipation (Wg2)3.3 WGrid capacitance (cg1)10 pFGrid Circuit Resistance (Rg), Cathode Bias1 MΩGrid Circuit Resistance (Rg), Fixed Bias0.3 MΩGrid Current 2 (Ig2)8 mAGrid to Plate Capacitance (ca/g)0.25 pFGrid Voltage 1 (Ug1)-10 V typicalGrid Voltage 2 (Ug2)≤ 440 V, 300 V typicalItem Diameter33.3 mmItem Height79 mmPlate Capacitance (ca)5 pFPlate Current (Ia)60 mAPlate Dissipation (Wa)≤ 19 WPlate Voltage (Ua)≤ 550 V, 300 V typicalTransconductance (S)10 mA/VPackaging Information:Packaging Dimensions4.8 in. x 3.3 in. x 3.3 in.Weight (Packaging)0.4408 lbs.About UsAbout Amplified Parts:Backed by over 30 years of experience serving the electronic hobbyist market, Amplified Parts® provides the parts you need to modify, repair, or build your own audio and musical instrument equipment, from transistor radios to vacuum tube amplifiers, guitar pedals, and modular synthesizers. Our mission is to provide our customers with high quality products from an inventory of over 12,000 unique items, and to share our expertise via our large library of tech articles and equipment build guides.Whether you are building cutting-edge equipment or restoring classic gear with historical accuracy, Amplified Parts® has what you need.We typically ship the same day if your order is placed before 12:00pm Arizona Time Monday through Friday excluding holidays.All packages are insured and we assume responsibility for the shipment until the carrier shows delivery.Click here to visit our ebay storefront.
Price: 105.8 USD
Location: Tempe, Arizona
End Time: 2024-09-08T16:02:55.000Z
Shipping Cost: N/A USD
Product Images
Item Specifics
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: Apex Matched
MPN: T-7591-S-JJ-MQ
Compatible Brand: Any
Compatible Model: Any
Features: None
Amplifier Type: Unknown
Item Diameter: 33.3 mm
Item Height: 79 mm
Body Height: 93 mm
Filament Voltage (Uf): 6.3 V
Filament Current (If): 0.8 A
Plate Voltage (Ua): ≤ 550 V, 300 V typical
Plate Current (Ia): 60 mA
Grid Voltage 1 (Ug1): -10 V typical
Grid Voltage 2 (Ug2): ≤ 440 V, 300 V typical
Grid Current 2 (Ig2): 8 mA
Transconductance (S): 10 mA/V
Gain (μ): 16.8
Plate Dissipation (Wa): ≤ 19 W
Grid 2 dissipation (Wg2): 3.3 W
Cathode Current (Ik): ≤ 85 mA
Grid Circuit Resistance (Rg), Fixed Bias: 0.3 MΩ
Grid capacitance (cg1): 10 pF
Plate Capacitance (ca): 5 pF
Grid to Plate Capacitance (ca/g): 0.25 pF
Grid Circuit Resistance (Rg), Cathode Bias: 1 MΩ
Type: Vacuum Tube
