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ID = 38565
Brand: Hitachi Ltd.; Tokyo
Tube type:  IC - Integrated Circuit   Audio Frequency 
Identical to HA1457
Similar Tubes
Other base and data slightly different:

Base SPECIAL TUBEBASE in general
Filament Solid State

Aufbau/Content: IC (15 Trans.-davon 5 als Diode gesch.-, 8 Widerst.);
Form/Case: SIL 8 (Pin 2 fehlt/unbeschaltet);
Type: NF-Verstärker hoher Qualität
Data: Ub: +/-22 V; Leistungsaufnahme: __ mW; fg (FT): __ MHz; Ausgangs-Spitzenstrom: __ mA; Re: __ MOhm; Ra: __ Ohm; Leerlaufverstärkung: ___.
(no data available yet), Vollständige Bezeichnung: HA1457W.

Dimensions (WHD)
incl. pins / tip
23 x 11 x 4 mm / 0.91 x 0.43 x 0.16 inch
Weight 2 g / 0.07 oz
Information source -- Schematic   Telefunken
  HA1457: Telefunken NF-Verstärker
Günther Stabe
HA1457: G.S. (Telefunken NF-Regler-Platine)
Günther Stabe

HA1457: TV-Plan
Egon Strampe

HA1457: Funktechnik 5/79 S.233
Egon Strampe

Usage in Models 1= 1976 ; 1= 1977 ; 1= 1979 ; 1= 1980 ; 1= 1981 ; 2= 1982??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):7

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