Marconi Tube Type 5963 Pair ( 2 tubes = 2 pieces = 2 valves )
Valve Made in Italy 1950's
Vintage Vacuum TUBES = B329 cv491 e82cc ecc802s ecc82 12au7

this listing is for 2 tubes = 2 valves = 2 pieces = two vintage vacuum tubes, same as per pictures 

Military Production Best Quality 1950's
Square getter welded declined 45 degrees 45°
FULLY TESTED
DARK GREY PLATE LONG PLATE 17mm
Old production FOR BETTER & SUPERIOR AUDIO PERFORMANCES IN PREAMP PRE PHONO STAGE

LARGE PLATE LARGE ANODE BIG PLATE BEST PRODUCTION FROM 1950's
RARE TO FIND OLDEST PRODUCTION
BIG LONG GREY WRINKLED PLATES BEST PRODUCTION FROM 1950's

TWIN TRIODE PRE AMPLIFIER PRE PHONO STAGE PREAMP DRIVER VALVE

Socket Noval, B9A Filament / heater Vf 6.3 Volt / If 0.3 Ampere / Indirect / Parallel / series ~ = AC/DC
Dimensions (LxAxP) incl.pins/tip 22 x 56 x mm / 0.87 x 2.20 x inch

TEST RESULTS 102/112 ; 84/110

This listing is for 2 tubes = 2 valves = 2 pieces = two vintage vacuum tubes, same as per pictures 

Reference good on TV7D/U is 56/56

Tubes are TESTED GOOD emission tested reference Good on TV7 tube tester calibrated is 56 / 56

PERFECT FOR AMPLIFIER HI-END PER AMPLIFIER PREAMP DRIVER el34 kt88 kt66 kt77 6550 350b

TUBE VALVE LAMPE ROHRE tube valve lampe röhre tsf 진공관 真空管 HAM RADIO audio hi-end hi-fi diy POWER AMPLIFIER roehre Pre-Amplifier Preamp Pri VINTAGE stereo SE Single Ended PP Push-Pull VACUUM TUBES röhren roehre vorverstärker röhrenverstärker preamp preamplifier

codice 4 box 50