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6DR7 dual triode for audio driver stages and power amplifiersCombines small signal triode and power triode in one envelopeUsed in Allnic A2500 DHT class A tube amplifier6.3V heater, 9 pin noval base, Ia 10mA, gm 2.6mA/V

12AV7 double triode, Noval B9A, Vf 12.6V/6.3VFor RF, AF, computer, driver and pulse circuitsSuited to test gear, audio stages, service and sparesSocket Noval B9A, 9-pin, double triode without top cap

13D16 selected dual triode for high end phono preampsSimilar to ECC83 but with different pinout and selectionLow noise and low microphonics for MC and MM cartridges6.3V 0.3A heater, B9A noval base 6H2n, gain about 100

QQE03/12 dual tetrode for RF and DIY audio buildsVHF power tube adaptable for strong audio amplifiersGreat for SE and push-pull amplifier experimentsNoval B9A; Uf 12.6V, If 0.45A; Pa~12W per system

Octal K8A 8-Pin tube-valve base, 6mm Top Cap=6SN7GT but different Pinout ("G" big bulb)

ECC91 double triode = 6J6 = 6CC31, B7G, Vf 6.3VFor RF mixers, oscillators, FM stages and test gearSuited to radio equipment, receivers, service and sparesSocket Pico7 B7G, 7-pin, double triode without top cap

ECC89 variable-mu double triode = 6FC7, B9A, Vf 6.3VFor VHF tuners, FM front ends, RF preamps and mixersSuited to radio, TV, test gear, service and replacement stockSocket Noval B9A, 9-pin, variable-mu double triode

Noval B9A 9-Pin basedoubletriode for HF mostly with Goldpins - please askECC 865 (=ECC 85HQ) DDR tube

Noval 9-pin baseECC 85 Siemens, made in RS (Jugo)

ECC85 dual triode for FM tuner radiosUsed as oscillator and mixer stageFound in Grundig and Telefunken setsNoval B9A; Uf 6.3V, If 0.435A; gm~6mA/V

ECC84 RF dual triode for FM tuner buildsVHF amplifier for vintage radio frontendsUsed in Grundig and Telefunken setsNoval B9A; Uf 6.3V, If 0.435A; gm~6.5mA/V

Noval B9A 9-Pin base ECC 823JJ DoubletriodeSet of 2 pcs selected for low microfony, low hum, low noise (V1 use)This tube is the inverted Version of the ECC832 or 12DW7

ECC823JJ Red Label 12DW7 inverted audio dual triodeJJ dual triode combines ECC82 and ECC83 sectionsUsed in Fender Marshall and Fisher Dynaco amplifiersNoval B9A heater 6.3V 300mA µ17/100 gm~1.6mA/V Ø22x52mm

Noval B9A 9-Pin tube-valve-base-RöhrensockelECC 8100 double Triode tube

ECC808 dual triode for studio and HiFi buildsLow-noise design with separate cathode pinsDiffers from ECC83 by internal shieldingDifferent pinout, not plug compatible to ECC83

ECC804 double triode, Noval B9A, Vf 6.3V, long-life typeFor AF preamps, drivers, phase splitters and test equipmentSuited to audio, studio, lab, service and spare stockSocket Noval B9A, 9-pin, double triode without top cap

please ask for 6N7GT insteadECC 31 (CV1285, NR73)

E92CC double triode = ECC962, Pico7 B7G, Vf 6.3VFor differential inputs, AF preamps and compact test stagesSuited to audio, lab equipment, service and spare stockSocket Pico7 B7G, 7-pin, double triode, no top cap

E91CC double triode = 6J6WA, Pico7 B7G, Vf 6.3VFor RF mixers, oscillators, FM stages and test equipmentSuited to radio gear, receivers, service and replacementsSocket Pico7 B7G, 7-pin, double triode without top cap

E90CC double triode = ECC960, Pico7 B7G, Vf 6.3VFor differential inputs, AF preamps and small signal stagesSuited to test gear, audio, lab builds and spare inventoriesSocket Pico7 B7G, 7-pin, double triode, no top cap

E288CC double triode = 8223, Noval B9A, Vf 6.3VFor drivers, cathode followers, phase splitters and test gearSuited to audio, studio, lab, service and spare inventoriesSocket Noval B9A, 9-pin, double triode without top cap

E283CC double triode, Noval B9A, Vf 6.3V, special typeFor drivers, cathode followers, phase splitters and test gearSuited to audio, studio, lab, service and spare stockSocket Noval B9A, 9-pin, double triode without top cap

E182CC double triode = 7119 = CV5766, Noval B9A, Vf 6.3VFor drivers, cathode followers, phase splitters and AF serviceSuited to hi-fi, studio, test gear, DIY and spare inventoriesSocket Noval B9A, 9-pin, double triode for signal and driver

E181CC double triode, Noval B9A, Vf 6.3V, rare typeFor AF preamps, drivers, pulse stages and test equipmentSuited to audio service, lab gear and spare inventoriesSocket Noval B9A, 9-pin, double triode without top cap