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NE646

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ID = 41435
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  IC - Integrated Circuit   Audio Frequency 
Identical to NE646
Similar Tubes
Normally replaceable-slightly different:
  NE645

Base SPECIAL TUBEBASE in general
Description Dolby-B noise reduction system, manufactured by Signetics.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
20 x 6 x 8 mm / 0.79 x 0.24 x 0.31 inch
Weight 2 g / 0.07 oz

ne646_wiring.png
NE646: Poland UNITRA MDS561 schematic
Anonymous 507 Collector
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dip16_sot38_125.gif NE646: TTT Steidle 1981
Günther Stabe † 19.8.20

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ne646_blockd.png
NE646: Signetics
Günther Stabe † 19.8.20

Usage in Models 1= 1974?? ; 1= 1976?? ; 1= 1978 ; 1= 1980?? ; 3= 1980 ; 2= 1981 ; 1= 1982

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):10

Collection of

 
ne646.jpg

NE646
 

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