TUBES = 3 of 56 triode black plate Arcturus Ken-Rad Aristocrat Hickok tested

Description: TUBES = 3 of #56 triode black plate You are buying 3 of #56 black plate triode tubes. Test VG, no original boxes. Tube #1 Arcturus: 1550 micromhos Tube #2 Aristocrat branded (Sylvania OEM): 2000 micromhosTube #3 KEN-RAD: 1800 micromhos Test parameters and notes: photos show each tube being testedno shorts, leakage, or gassignal voltage = 1.0 vacbias = -7.5 filtered Vdc6000 meter scale score of 1050 or higher is good for #56 Test results on my professionally calibrated Western Electric KS-15560 (advanced version Hickok 539B) mutual conductance tube tester, with digital plate current meter upgrade. [INV12]

Price: 19.99 USD

Location: Monongahela, Pennsylvania

End Time: 2025-01-23T22:27:56.000Z

Shipping Cost: N/A USD

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Item Specifics

Restocking Fee: No

Return shipping will be paid by: Seller

All returns accepted: Returns Accepted

Item must be returned within: 30 Days

Refund will be given as: Money Back

Country/Region of Manufacture: United States

Type: Vacuum Tube

MPN: 56

Brand: Arcturus