Tube Tester 257
Maxon Electronics, Inc.; Bronx, N.Y.
- Country
- United States of America (USA)
- Manufacturer / Brand
- Maxon Electronics, Inc.; Bronx, N.Y.
- Year
- 1968
- Category
- Service- or Lab Equipment
- Radiomuseum.org ID
- 339275
Radio Electronics, Sept. 1968, page 25
Radio Electronics, Sept. 1968, page 25
- Wave bands
- - without
- Power type and voltage
- Alternating Current supply (AC) / 110 Volt
- Loudspeaker
- - - No sound reproduction output.
- Material
- Leather / canvas / plastic - over other material
- from Radiomuseum.org
- Model: Tube Tester 257 - Maxon Electronics, Inc.;
- Shape
- Tablemodel, with any shape - general.
- Dimensions (WHD)
- 350 x 90 x 230 mm / 13.8 x 3.5 x 9.1 inch
- Notes
-
The Maxon 257 Tube Tester was advertised as a "new improved model 257" in 1968.
Tests Novars, Nuvistors, 10 pins, Magnovals, Compactrons, Decals. Individual section testing for shorts, leakage and emission. Leakage sensitivity up to 5 Megohms. 4.5" dual scale meter with dampening chamber.
Identical to Accurate 257.
- Price in first year of sale
- 47.50 USD
- Literature/Schematics (1)
- Radio Electronics (U.S. Magazine) (Sept. 1968, page 25, "The New 1968 Improved Model 257")
- Author
- Model page created by Jerry Elarton. See "Data change" for further contributors.
- Other Models
-
Here you find 3 models, 3 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Maxon Electronics, Inc.; Bronx, N.Y.