Jackson 648S 648 Tube Tester for GZ34 6L6 EL34 6BQ5 12AX7 45 2A3 Etc - $250 - (Medusa, NY)
Vintage Jackson 648S tube tester. Lightly used unit with tight sockets, smooth pots, and stiff switches (some could use some lubrication). Tests a large number of tubes such as 12AX7, 6L6GC, EL34, GZ34, as well as antique types such as 45, 2A3, etc. Includes paperwork as pictured. Working. I have tested several tubes with this tester with positive results. Results seem in line with my other testers. Please check pics carefully for cosmetic condition. Please email with any questions. Shipping is typically with 24 hours of payment (excluding weekends). USPS Shipping ONLY. NO UPS or FedEx or other options. Payment must be received with 7 days of purchase. Thanks for looking and please check our store for many more great vintage tubes!
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From ebay.com - 1 month ago