E288CC SIEMENS Tube = 8223 6922 CCa DOUBLE TRIODE
TEST TV7 TRIODE 1 = 120 (WHERE 50=100%) & TRIODE 2 = 120 (WHERE 50=100%)
CODE N5 8I
GOLD PINS
GENUINE SIEMENS PRODUCTION WESTERN GERMANY
NOS CONDITIONS
TUBE TESTED WITH TUBE TESTER TYPE TV7 D/U WITH SETTINGS OF 6922 TUBE (CAUTELATIVE WAY!!)
THIS TUBE HAS 6.3 VOLT FILAMENT AND 0.475 Ampere of Filament/heater (instead of CCA have 6.3 Volt filament and 0.3 Ampere of Filament/heater) So, these are stronger tubes!! Also better than CCA !!!!
DISC GETTER A FRAME TOP PERFORMANCES FOR THESE TUBES
EXCELLENT TUBE FOR DRIVER STAGES & PREAMPLIFIERS
tube valve lampe röhre tsf 真空管 HAM RADIO audio hi-end hi-fi diy POWER AMPLIFIER Pre-Amplifier Preamp Pri VINTAGE stereo SE Single Ended PP Push-Pull VACUUM TUBES röhren
box 41