Hickok 530/530B/510X Tube Tester manual
Redone from scratch, a new product from us at TubeSound. A new manual package for the Hickok 530, 530B, and 510X tube testers. Includes schematics and ballast setup chart. The product covers all three models (530/530B/510X). Benefits include: all instructional text being newly transcribed into computer by hand; factory text errors & grammatical errors corrected; […]
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