Vintage OPERADIO model 1A30 7 tube 3 channel audio amplifier. Original old Sams Photofact manual includes schematics, layouts, voltage & resistance readings, parts list. 4 pages. Dated 1948. Operadio Manufacturing Company of St. Charles, IL. This manual would make a sensational accompaniment to your vintage audio equipment.
operadio model 1a30 7 tube 3 channel amplifier sams photofact manual
- Product Code: s157
- Length: 11 inches
- Width: 8 inches
- Pages: 4
- Views: 29
- Availability: In Stock
- $15.00
$11.25
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