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Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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ZM1551 vacuum tube outline illustration

Tube-number record

ZM1551

0 archive entries

ZM1551 is a tube type in the TubeDatabase archive (class: Indicator Tube). Recorded specifications: year 1979, construction Other / special, base Glass, and socket Flexible / flying leads. The archive does not yet hold a photographed example of this type.

ClassIndicator Tube
BaseFlexible / flying leads

Construction

Primary TypeOther / special
EnvelopeFlat
Base MaterialGlass
Sections1.5 Decades

Filament / Heater

Absolute Maximum Ratings

Audio Performance

Key Features
  • Long-life
  • Segmented
  • Stackable with ZM1550
  • In-line display

Application Notes

Designed for digital measuring equipment. Characteristics, operating conditions, and limiting values are identical to type ZM1550.

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