TP4100 Pair tube ZENITH TUBE MADE IN ITALY BIG BLACK PLATE RIBBED PLATE WRINKLED

#PAIR MATCHED STRONG #TP4100 ZENITH BY PHILIPS #TELEFUNKEN #RES664D #RES 664D YEAR OF PRODUCTION 1936 MONZA PLANT OF PRODUCTION UNDER PHILIPS ITALIA FIRST PRODUCTION OF PHILIPS AFTER THE MERGE IN YEAR 1936.

POWER PENTODE NOS NIB SWEET TUBE VALVE FIRST PRODUCTION OF PHILIPS AFTER THE MERGE IN YEAR 1936. POWER PENTHODE NOS NIB

# PERFECT FOR PRE-AMPLIFIER HI-END

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

SECONDA COPPIA

BOX 29