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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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AL 860 vacuum tube outline illustration

Tube-number record

AL 860

0 archive entries

AL 860 is a tube type in the TubeDatabase archive (class: Endpentode). Recorded specifications: brand VEB Röhrenwerk Anna Seghers, year 1956, construction Pentode, socket Noval (B9A), maximum plate voltage 250 V, and maximum plate dissipation 7.5 W. The archive does not yet hold a photographed example of this type.

BrandVEB Röhrenwerk Anna Seghers
ClassEndpentode
BaseNoval (B9A)
Filament2.4 V @ 560 mA

Construction

Primary TypePentode
EnvelopeGlass
Sections1

Filament / Heater

Heater NotesFilament is center-tapped; halves can be connected in parallel or series.

Absolute Maximum Ratings

Plate Voltage250 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Parallel heating200 V6000—1035 mA

Application Notes

Used for HF or LF amplification. Heater halves can be parallel or series connected.

Filters

0 tubes found

Manufacturers

Brands

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    Plate Dissipation7.5 W
    Grid 2 Voltage250 V
    Cathode Current50 mA

    Audio Performance

    Key Features
    • HF- oder NF-Verstärkung