-40%

12ax7 ecc83 tube Philips preamp tubes pair valve b339 cv492 e83cc b759 i65 delta

$ 105.08

  • Brand: Philips
  • Country/Region of Manufacture: Netherlands
  • Custom Bundle: No
  • MPN: 12ax7 ecc83
  • Model: 12ax7 ecc83
  • Modified Item: No
  • Type: Preamp Tubes

Description

ecc83 mullard tube 12ax7 philips pair valves red pip top NAT LAB laboratory science department Made in Holland Ultra rare 2 TUBES = 2 VALVES = 2 VINTAGE VACUUM TUBES = 2 röhren = two pieces Red tipped laboratory selected 15mm Long Plate Dark grey plate ribbed welded O getter halo plate with Silver tongues on rounded corners high quality tubes for preamplifier preamp per input phono driver stage first stage audio ECC83 Double Triode Audio Frequency High Gain ECC83 = 12AX7 = B339 = 95-127-01 = 6L13 = CM1 = ECC83S Similar Tubes Normally replaceable-slightly different: 0AX7 ; 12AX7A ; CV492 ; E2164 Other class quality (otherwise equal): 7025 ; CV4004 ; E83CC ; M8137 Other characteristic (electr. data): 12AY7 ; 6N4_China Other base and other heater: 6EU7 ; ECC808 Multiple differences or of other kind: 5751 ; 7729 Successor Tubes 1963 ECC808 5751WA Base Noval B9A Filament Heater Vf 12.6 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC fully tested on calibrated tube tester tv7d/u Test results as follow: 35/42 ; 32/44 code I65 DELTA △ red tip selected (reference good at 32/32 ) on tube tester calibrated TV7D/U All 2 tubes own red tip , selected nat laboratory , selected for pre amplifier stage audio box 154 pair 5