4-tube for sale, brand-new and used.

Very hard to source 8-Pin Octal Keyed Extension Cable. Good quality molded ends with straight-thru, Pin to Pin wiring (all pins present and connected. Total length of cable is over 6 Feet.

Tube tester comes with shown paperwork. Unit has been sitting unused for the last 10 years in air-conditioned storage. I tested 2 tubes and compared results with another tube tester, the results were accurate.

Tube tester comes with shown paperwork. Unit has been sitting unused for the last 10 years in air-conditioned storage. I tested 2 tubes and compared results with another tube tester, the results were accurate.

Tube tester comes with all shown accessories & paperwork. Unit has been sitting unused for the last 10 years in air-conditioned storage. I tested 2 tubes and compared results with another tube tester, the results were accurate.

Here is a mutual conductance tester you can be proud of and count on for decades to come, a beautiful refubished, calibrated, and improved B&K 707. This one was from Glendale Union High School, Phoenix, AZ and has not seen much use - a great thing! Very well preserved and super clean from that dry climate.

For auction USED Russian tubes tester L3-3.Working condition.Printed copies on tubes cards.No instruction manual,but it could be download from Russian L3-3 pages in Internet. Technical characteristic Power type and voltage Alternating Current supply (AC) / 115, 127, 220 Volt

Now is the time to get this

Superior Model 85 Dynamic Tube Tester, Used to test several tubes, compared results to another Superior tube tester, works well. Don't need two, so up for auction. Please note, for more recent tube designs, not older 4 pin types..

DESCRIPTION This tube tester is used and it has been tested to power on. Unfortunately we were unable to test this item fur

Spare meter for the T53 tube tester. Confirmed good operating condition. Mild about of wear from storage.

RCA Color B&W CRT Picture Tube Tester WT333A USA RCA Television Picture Tube Tester Working Tests color and B&W Cathode Ray Tubes Professional quality tester Instrument works well&

Hickok Model 820 Test Tube Caddy PAL TV Radio Transistor Tester VTVM Measures 8.5 inches by2 3/4 inches by 3 inches Needs a new power cord, and cord for top of test tube both the plastic has dried out. The 3 probes that come with the machine are fine. Everything else looks and turns fine, Unit shows no other damage and never has been dropped.

hickok 539c 1 more photo can be added or you can request more photos. Roll chart dated 1969 operates smoothly. Includes instruction manual.

Here is a very nice copy of one of the latest, if not THE latest, manual for the Accurate Instrument Co. Model 157 tube tester. Dated 2/67 (February of 1967), this manual is complete.

The EICO Model 666 Dynamic Conductance Tube & Trans. able to test both tubes and transistors. Among its advantages are rapid and simple operation, close simulation of actual tube operating conditions, and unexcelled thoroughness and accuracy of test.