• Country
• United States of America (USA)

• Manufacturer / Brand
• Jackson (The) Electrical Instrument CO., Dayton

• Year
• 1956 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 300582

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 1

• Valves / Tubes
• 6C4

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 117 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Dynamic Tube Tester 561 - Jackson The Electrical

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 15 x 12 x 6 inch / 381 x 305 x 152 mm

• Notes

• The Jackson model 561 is a table top dynamic tube tester. Tests most 4, 5, 6, 7-pin large, 7-pin miniature, octal, loctal, and 9-pin miniature tubes.

• Net weight (2.2 lb = 1 kg)
• 11.5 lb (11 lb 8 oz) / 5.221 kg

• Author
• Model page created by Tom Seeger. See "Data change" for further contributors.

• Other Models

• Here you find 64 models, 61 with images and 18 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Jackson (The) Electrical Instrument CO., Dayton