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

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)
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Tube-number record

7581A

2 archive entries

Construction

Filament / Heater

Absolute Maximum Ratings

Audio Performance

Filters

2 tubes found

Manufacturers

Ge1

Brands

National Electronics
1
RCA1

Related tube numbers

KT661
  • RCA 7581A tube - Ge — photo 1 of 3
    RCA 7581A tube - Ge — photo 2 of 3
    RCA 7581A tube - Ge — photo 3 of 3

    Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.

    Photo 1 of 3

    7581A

    Maker
    Ge
    Brand
    RCA
  • National Electronics 7581A, KT66 tube — photo 1 of 2
    National Electronics 7581A, KT66 tube — photo 2 of 2

    Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.

    Photo 1 of 2

    7581A, KT66

    Brand
    National Electronics
Showing 1–2 of 2 results