• -4%
RES664d TELEFUNKEN FINAL PENTODE...
RES664d TELEFUNKEN FINAL PENTODE...
RES664d TELEFUNKEN FINAL PENTODE...
RES664d TELEFUNKEN FINAL PENTODE...
RES664d TELEFUNKEN FINAL PENTODE...
RES664d TELEFUNKEN FINAL PENTODE...
RES664d TELEFUNKEN FINAL PENTODE...
RES664d TELEFUNKEN FINAL PENTODE...
RES664d TELEFUNKEN FINAL PENTODE...

RES664d TELEFUNKEN FINAL PENTODE VALVE AUDIO RADIO MILITARY STANDARD NOS / NIB

N10664DN
Last items in stock
€499.10 €519.90 -4%
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Excellent and RARE RES664d (or E443N) TELEFUNKEN PENTODO Power Amplifier for Radio, HAM Radio, AUDIO amplification DIY project. HIGH quality and performance!

Description

Superb and VERY RARE genuine RES664d output power final Pentode valve made in Germany for Italian Air Force supply (Reggia Aeronautica). First series of 664d with an absolutely fascinating "balloon shape" style; similar in structure and appearance to the famous RE604 Triode. These valves were essentially used in German military HAM-radios but not only. DIY HI-END AUDIO designers judge this tube as highly performing, with great energy and detail. Not to be missed!

EQUIVALENT: Dn1004 = TP4100 = E443N = L491D = PP4100 = G100 = PM24C

Product Details

Brand / Manufacture / Plant
TELEFUNKEN / Germany
Model / Type
RES664d / Pentode
Manufacturing code / date
GA20 / Luglio 1940
Conditions
NOS / NIB - NEW - NEVER USED
Physical characteristics / Relevances
Anodized Oval plate, Balloon shape / Sigillo di Stato
TESTS (Detected Values) / Data Sheet Reference
REFERENCE: (Ia) 30.0 mA with (Gm) 1.9 mA/V
TUBE1: (Ia) 43.0 mA with (Gm) 2.9 mA/V - 152% Emission
Usage
Output power , HAM-Radio equipments
Recommended for
AUDIO , HI-FI set , Radio , HAM Radio
STARS / RATE (Rating from 1 to 5)
5

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