T-7027A-JJ-MP - Apex Matched Pair version | Body Height | 100 mm |
Filament Current (If) | 0.9 A |
Filament Voltage (Uf) | 6.3 V |
Grid Current 2, single tube (Ig2) | 5 mA |
Grid Voltage 1, push-pull (Ug1) | -17.5 V typical |
Grid Voltage 1, single tube (Ug1) | -14 V typical |
Grid Voltage 2, push-pull (Ug2) | ≤ 450 V, 270 V typical |
Grid Voltage 2, single tube (Ug2) | ≤ 450 V, 250 V typical |
Grid capacitance (cg1) | 12.5 pF |
Grid current 2, push-pull (Ig2) | 11 mA |
Grid to Plate Capacitance (ca/g) | 1.5 pF |
Item Diameter | 38 mm |
Item Height | 115 mm |
Plate Capacitance (ca) | 10 pF |
Plate Current, push-pull (Ia) | 134 mA |
Plate Current, single tube (Ia) | 72 mA |
Plate Dissipation (Wa) | ≤ 30 W |
Plate Voltage, push-pull (Ua) | ≤ 450 V, 270 V typical |
Plate Voltage, single tube (Ua) | ≤ 450 V, 250 V typical |
T-7027A-JJ-MQ - Apex Matched Quad version | Body Height | 100 mm |
Filament Current (If) | 0.9 A |
Filament Voltage (Uf) | 6.3 V |
Grid Current 2, single tube (Ig2) | 5 mA |
Grid Voltage 1, push-pull (Ug1) | -17.5 V typical |
Grid Voltage 1, single tube (Ug1) | -14 V typical |
Grid Voltage 2, push-pull (Ug2) | ≤ 450 V, 270 V typical |
Grid Voltage 2, single tube (Ug2) | ≤ 450 V, 250 V typical |
Grid capacitance (cg1) | 12.5 pF |
Grid current 2, push-pull (Ig2) | 11 mA |
Grid to Plate Capacitance (ca/g) | 1.5 pF |
Item Diameter | 38 mm |
Item Height | 115 mm |
Plate Capacitance (ca) | 10 pF |
Plate Current, push-pull (Ia) | 134 mA |
Plate Current, single tube (Ia) | 72 mA |
Plate Dissipation (Wa) | ≤ 30 W |
Plate Voltage, push-pull (Ua) | ≤ 450 V, 270 V typical |
Plate Voltage, single tube (Ua) | ≤ 450 V, 250 V typical |
T-7027A-JJ - Single version | Body Height | 100 mm |
Filament Current (If) | 0.9 A |
Filament Voltage (Uf) | 6.3 V |
Grid Current 2, single tube (Ig2) | 5 mA |
Grid Voltage 1, push-pull (Ug1) | -17.5 V typical |
Grid Voltage 1, single tube (Ug1) | -14 V typical |
Grid Voltage 2, push-pull (Ug2) | ≤ 450 V, 270 V typical |
Grid Voltage 2, single tube (Ug2) | ≤ 450 V, 250 V typical |
Grid capacitance (cg1) | 12.5 pF |
Grid current 2, push-pull (Ig2) | 11 mA |
Grid to Plate Capacitance (ca/g) | 1.5 pF |
Item Diameter | 38 mm |
Item Height | 115 mm |
Plate Capacitance (ca) | 10 pF |
Plate Current, push-pull (Ia) | 134 mA |
Plate Current, single tube (Ia) | 72 mA |
Plate Dissipation (Wa) | ≤ 30 W |
Plate Voltage, push-pull (Ua) | ≤ 450 V, 270 V typical |
Plate Voltage, single tube (Ua) | ≤ 450 V, 250 V typical |
Product Reviews
Work great in Viking Ranger 2 modulitor
I will say these can handle 7027 voltages, but they don't quite cut it as a 7027A. I find it hard to believe JJ can make a 14 watt 6V6GTA, and then fail so miserably with a 7027A. If your amp takes 7027As and is running them at high voltages, consider finding NOS tubes or dialing back the B+ with a MOSFET regulator. If JJ would call this a 7027 I'd give it a better rating. These are like all the larger JJ Pentodes. If you crack one open with a hammer they all share the same cathode assembly.