Tp4100 Tube Zenith Italy Tube Quad Power Tubes Black Valve Mono Plate Ress664

TP4100 ZENITH MADE IN ITALY MADE IN MONZA PLANT. Rare Italian production of power tubes for last stage audio amplification.

BRILLIANT POWER TUBES Quad (quartet) of TP4100 ZENITH MONZA ITALY TUBE. Sockt Europe 5-Pin O5A B5 Filament Heater Vf 4 Volt / If 1 Ampere / Direct / Parallel, = (AC/DC).

LARGE PLATE BLACK PLATE RIBBED RUGGED. TOP SOUND 1930's FINEST VALVE OLD PRODUCTION. FULL MADE IN ITALY CLEAR GLASS LONG NECK. FAT COKE BOTTLE SHAPE BLACK PLATE RIBBED REINFORCED. FINEST POWER VALVE FOR LAST STAGE AUDIO SAME DATAS AS TELEFUNKEN RES664D WITH BETTER SOUND. Tube valve lampe röhre tsf??? HAM RADIO audio hi-end hi-fi diy POWER AMPLIFIER Pre-Amplifier Preamp Pri stereo SE Single Ended PP Push-Pull.

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