Tube Testers | Surplus Network

Vintage Dynamic Mutual Conductance Tube Tester Signal Corp I-177

USA

Vintage Dynamic Mutual Conductance...

$189.99 USD

Vintage Dynamic Mutual Conductance...

$189.99 USD

B&K Model 600 Dyna Quick Tube Tester With Manual Sold As Is Untested

USA

B&K Model 600 Dyna Quick Tube Tester...

$52.49 USD

B&K Model 600 Dyna Quick Tube Tester...

$52.49 USD

Home Vacuum Tube Tester

USA

Home Vacuum Tube Tester

$24.00 USD

Home Vacuum Tube Tester

$24.00 USD

Triplett 3444 Vacuum Tube Tester Working Nice

USA

Triplett 3444 Vacuum Tube Tester...

$950.00 USD

Triplett 3444 Vacuum Tube Tester...

$950.00 USD

MAXI-TEST MAXI-MATCHER 2 VACUUM TUBE TESTER + EXTRAS - MINT

USA

MAXI-TEST MAXI-MATCHER 2 VACUUM TUBE...

$950.00 USD

MAXI-TEST MAXI-MATCHER 2 VACUUM TUBE...

$950.00 USD

VINTAGE Superior Inst Co. Model TV-11 Vacuum Tube Tester

USA

VINTAGE Superior Inst Co. Model TV-11...

$59.99 USD

VINTAGE Superior Inst Co. Model TV-11...

$59.99 USD

1 Pair 8-pin Bias Current Probes Tester VU Meter for EL34 KT88 6L6 6V6 6550 Tube

USA

1 Pair 8-pin Bias Current Probes...

$59.99 USD

1 Pair 8-pin Bias Current Probes...

$59.99 USD

WESTON 777 Vintage Tube Tester for parts or repair

USA

WESTON 777 Vintage Tube Tester for...

$59.99 USD

WESTON 777 Vintage Tube Tester for...

$59.99 USD

Vintage Triplett tube tester MODEL 3413 Vacuum Tube Tester UNTESTED

USA

Vintage Triplett tube tester MODEL...

$59.99 USD

Vintage Triplett tube tester MODEL...

$59.99 USD

Original Vintage Heathkit Dynamic Tube Checker Model TC-1 Tube Tester Parts

USA

Original Vintage Heathkit Dynamic...

$59.99 USD

Original Vintage Heathkit Dynamic...

$59.99 USD

WESTON 777 Vintage Tube Tester for parts or repair

USA

WESTON 777 Vintage Tube Tester for...

$59.99 USD

WESTON 777 Vintage Tube Tester for...

$59.99 USD

VINTAGE BENDIX - SIGNAL CORPS TUBE TESTER TV 6/U - NICE CONDITION - Serial#866

USA

VINTAGE BENDIX - SIGNAL CORPS TUBE...

$199.00 USD

VINTAGE BENDIX - SIGNAL CORPS TUBE...

$199.00 USD

Vintage EICO Model 625 Tube Tester ~ Powers On / Untested / AS-IS

USA

Vintage EICO Model 625 Tube Tester ~...

$56.00 USD

Vintage EICO Model 625 Tube Tester ~...

$56.00 USD

Vintage National Radio Institute NRI Model 71 Professional Vacuum Tube Tester

USA

Vintage National Radio Institute NRI...

$125.00 USD

Vintage National Radio Institute NRI...

$125.00 USD

B&K Precision 467 CRT Picture Tube Restorer/Analyzer POWER TESTED Manual

USA

B&K Precision 467 CRT Picture Tube...

$135.00 USD

B&K Precision 467 CRT Picture Tube...

$135.00 USD

B&K Precision 467 CRT Picture Tube Restorer/Analyzer POWER TESTED Manual

USA

B&K Precision 467 CRT Picture Tube...

$135.00 USD

B&K Precision 467 CRT Picture Tube...

$135.00 USD

KNIGHT KG-600B TUBE TESTER

USA

KNIGHT KG-600B TUBE TESTER

$135.00 USD

KNIGHT KG-600B TUBE TESTER

$135.00 USD

VINTAGE Superior Inst Co. Model TW-11 Vacuum Tube Tester w/ Case

USA

VINTAGE Superior Inst Co. Model TW-11...

$65.00 USD

VINTAGE Superior Inst Co. Model TW-11...

$65.00 USD

VINTAGE THE TROUBLE SHOOTER BY ELECTRO PRODUCTS CO. TESTER ~ UNTESTED

USA

VINTAGE THE TROUBLE SHOOTER BY...

$65.00 USD

VINTAGE THE TROUBLE SHOOTER BY...

$65.00 USD

NAVY DEPARTMENT BUREAU OF SHIPS AN/USM-3A TEST TOOL SET

USA

NAVY DEPARTMENT BUREAU OF SHIPS...

$200.00 USD

NAVY DEPARTMENT BUREAU OF SHIPS...

$200.00 USD

Vintage Heathkit IT-17 Tube Tester *Not Tested*

USA

Vintage Heathkit IT-17 Tube Tester...

$200.00 USD

Vintage Heathkit IT-17 Tube Tester...

$200.00 USD

BK B&K Model 747 Dyna-Jet Solid State Dynamic Mutual Conductance Tube Tester

USA

BK B&K Model 747 Dyna-Jet Solid State...

$219.00 USD

BK B&K Model 747 Dyna-Jet Solid State...

$219.00 USD

Hickok Model 533A Tube Tester

USA

Hickok Model 533A Tube Tester

$275.00 USD

Hickok Model 533A Tube Tester

$275.00 USD

Vintage Model 628 Eico Tube Tester Power on Untested As Is

USA

Vintage Model 628 Eico Tube Tester...

$79.99 USD

Vintage Model 628 Eico Tube Tester...

$79.99 USD

Vintage Knight Tube Tester for parts or repair Powers on

USA

Vintage Knight Tube Tester for parts...

$79.99 USD

Vintage Knight Tube Tester for parts...

$79.99 USD

Conar Model 223 Vacuum Tube Tester powers on

USA

Conar Model 223 Vacuum Tube Tester...

$79.99 USD

Conar Model 223 Vacuum Tube Tester...

$79.99 USD

Vintage Heathkit Model IT-17 Tube Checker, Untested, Powers On

USA

Vintage Heathkit Model IT-17 Tube...

$300.00 USD

Vintage Heathkit Model IT-17 Tube...

$300.00 USD

"Vintage" Knight Tube Checker 600 Series, powers on.

USA

"Vintage" Knight Tube Checker 600...

$49.99 USD

"Vintage" Knight Tube Checker 600...

$49.99 USD

B&K CRT Cathode Ray Tube Tester Model 465 Powers Up Excellent Condition

USA

B&K CRT Cathode Ray Tube Tester Model...

$49.99 USD

B&K CRT Cathode Ray Tube Tester Model...

$49.99 USD

Vintage Tube Tester Philco Model 7051 Made in USA Working Good

USA

Vintage Tube Tester Philco Model 7051...

$99.00 USD

Vintage Tube Tester Philco Model 7051...

$99.00 USD

Knight 600 Series Tube Tester powers on

USA

Knight 600 Series Tube Tester powers on

$50.00 USD

Knight 600 Series Tube Tester powers on

$50.00 USD

Superior Instruments TV-11 Vacuum Tube Tester

USA

Superior Instruments TV-11 Vacuum...

$69.99 USD

Superior Instruments TV-11 Vacuum...

$69.99 USD

Vintage Seco VT Grid Circuit Tube Tester Model GCT-5

USA

Vintage Seco VT Grid Circuit Tube...

$69.99 USD

Vintage Seco VT Grid Circuit Tube...

$69.99 USD

MaxiTest Maxi-Preamp II Digital Vacuum Tube Tester

USA

MaxiTest Maxi-Preamp II Digital...

$849.99 USD

MaxiTest Maxi-Preamp II Digital...

$849.99 USD

1930s Unmarked Vintage Radio Tube Tester In Wooden Case 12x9

USA

1930s Unmarked Vintage Radio Tube...

$49.00 USD

1930s Unmarked Vintage Radio Tube...

$49.00 USD

Vintage Seco Fil-Pak Model FP-1 Fil. Checker and Bias Pack Rare Tube Tester

USA

Vintage Seco Fil-Pak Model FP-1 Fil....

$49.00 USD

Vintage Seco Fil-Pak Model FP-1 Fil....

$49.00 USD

⭐️Vintage Military Hickok Test Set Radio Ts-997A/U⭐️PRC-8 9 10 Tester⭐️Untested

USA

⭐️Vintage Military Hickok Test...

$249.95 USD

⭐️Vintage Military Hickok Test...

$249.95 USD

Vintage READRITE Model 406 Radio Tube Tester 11x7 Case w/ Handle Read-Rite

USA

Vintage READRITE Model 406 Radio Tube...

$39.00 USD

Vintage READRITE Model 406 Radio Tube...

$39.00 USD

Digital vacuum tube tester KIT, Duokit3 with the front panel

China

Digital vacuum tube tester KIT,...

$350.00 USD

Digital vacuum tube tester KIT,...

$350.00 USD

B&K Precision 467 CRT Picture Tube Restorer/Analyzer POWER TESTED Manual

USA

B&K Precision 467 CRT Picture Tube...

$350.00 USD

B&K Precision 467 CRT Picture Tube...

$350.00 USD

Mercury Model 202 Tube Tester. Excellent condition and 100% working!

USA

Mercury Model 202 Tube Tester....

$350.00 USD

Mercury Model 202 Tube Tester....

$350.00 USD

Heathkit TC-3 Vacuum Tube Tester -- EXCELLENT, TESTED

USA

Heathkit TC-3 Vacuum Tube Tester --...

$119.99 USD

Heathkit TC-3 Vacuum Tube Tester --...

$119.99 USD

HICKOK 600a Dynamic Mutual Conductance Tube Tester Powers Up-Parts Only

USA

HICKOK 600a Dynamic Mutual...

$199.99 USD

HICKOK 600a Dynamic Mutual...

$199.99 USD

Vintage Maxon Electronics Utility Tester Model 200 With Leads & Instructions

USA

Vintage Maxon Electronics Utility...

$29.92 USD

Vintage Maxon Electronics Utility...

$29.92 USD

Weston Tube Tester Model 537 W/Leads Untested Parts Free Shipping

USA

Weston Tube Tester Model 537 W/Leads...

$45.00 USD

Weston Tube Tester Model 537 W/Leads...

$45.00 USD

Jackson Electrical Instrument Co Model 648 Dynamic Tube Tester

USA

Jackson Electrical Instrument Co...

$100.00 USD

Jackson Electrical Instrument Co...

$100.00 USD

Vintage B&K Dyna-Quik 500 Tube Tester W/ adaptor For restore /parts only

USA

Vintage B&K Dyna-Quik 500 Tube Tester...

$100.00 USD

Vintage B&K Dyna-Quik 500 Tube Tester...

$100.00 USD

Eico 635 Vacuum Tube Tester With Instructions. No lid , as-is

USA

Eico 635 Vacuum Tube Tester With...

$100.00 USD

Eico 635 Vacuum Tube Tester With...

$100.00 USD

B&K Model 707 Dyna-Jet Dynamic Mutual Conductance Tube Tester

USA

B&K Model 707 Dyna-Jet Dynamic Mutual...

$324.95 USD

B&K Model 707 Dyna-Jet Dynamic Mutual...

$324.95 USD

Elenco Precision Transistor Diode Tester DT-100

USA

Elenco Precision Transistor Diode...

$20.00 USD

Elenco Precision Transistor Diode...

$20.00 USD

*USA* Hickok 539C ULTIMATE Tube Tester MANUAL W/COLOR PICTURES SCHEMATIC

USA

*USA* Hickok 539C ULTIMATE Tube...

$20.00 USD

*USA* Hickok 539C ULTIMATE Tube...

$20.00 USD

USA TV-7D/U Tester TV-7 Ultimate Updated Tube Test manual All the data there is

USA

USA TV-7D/U Tester TV-7 Ultimate...

$20.00 USD

USA TV-7D/U Tester TV-7 Ultimate...

$20.00 USD

Superior TV-12 Vintage Tube Tester (looks good, missing power cable)

USA

Superior TV-12 Vintage Tube Tester...

$120.00 USD

Superior TV-12 Vintage Tube Tester...

$120.00 USD

MIL TV-7D/U TUBE TESTER / NOT WORKING

USA

MIL TV-7D/U TUBE TESTER / NOT WORKING

$799.00 USD

MIL TV-7D/U TUBE TESTER / NOT WORKING

$799.00 USD

Vintage Tube Checker Van Horne Flewelling Tester For Vacuum Tubes 1930

USA

Vintage Tube Checker Van Horne...

$140.00 USD

Vintage Tube Checker Van Horne...

$140.00 USD

EICO Model 666 Dynamic Conductance Tube & Transistor Tester

USA

EICO Model 666 Dynamic Conductance...

$175.00 USD

EICO Model 666 Dynamic Conductance...

$175.00 USD

Restored HICKOK 752A TUBE TESTER - Works Well - Minty Cosmetics

USA

Restored HICKOK 752A TUBE TESTER -...

$795.00 USD

Restored HICKOK 752A TUBE TESTER -...

$795.00 USD

B & K model 650 DYNA-QUIK dynamic mutual conductance tube & transistor tester

USA

B & K model 650 DYNA-QUIK dynamic...

$250.00 USD

B & K model 650 DYNA-QUIK dynamic...

$250.00 USD

Hickok Model 533 Dynamic Mutual Conductance Tube Testerworking

USA

Hickok Model 533 Dynamic Mutual...

$249.00 USD

Hickok Model 533 Dynamic Mutual...

$249.00 USD

Vintage Knight 400A Tube Checker - Powers On

USA

Vintage Knight 400A Tube Checker -...

$85.00 USD

Vintage Knight 400A Tube Checker -...

$85.00 USD

Vintage EICO Model 625 Tube Tester ~ Powers On / Untested / AS-IS

USA

Vintage EICO Model 625 Tube Tester ~...

$84.99 USD

Vintage EICO Model 625 Tube Tester ~...

$84.99 USD

Superior Instruments Rapid Tube Tester - Model 82A Untested

USA

Superior Instruments Rapid Tube...

$70.00 USD

Superior Instruments Rapid Tube...

$70.00 USD

EICO Model 625 Tube Tester / Powers On / Untested

USA

EICO Model 625 Tube Tester / Powers...

$70.00 USD

EICO Model 625 Tube Tester / Powers...

$70.00 USD

Vintage Heathkit TC-2 Dynamic Tube Checker Tester Powers On

USA

Vintage Heathkit TC-2 Dynamic Tube...

$70.00 USD

Vintage Heathkit TC-2 Dynamic Tube...

$70.00 USD

Vintage Army 1953 Servo Amplifier Chassis 7630021 computer T-27E2

USA

Vintage Army 1953 Servo Amplifier...

$70.00 USD

Vintage Army 1953 Servo Amplifier...

$70.00 USD

Vintage SECO TUBE TESTER MODEL 107B Case Plus parts

USA

Vintage SECO TUBE TESTER MODEL 107B ...

$19.99 USD

Vintage SECO TUBE TESTER MODEL 107B ...

$19.99 USD

Amplifier 7591 7591A Vacuum Tube Tester T6 Bias Current Checker Octal mA Version

China

Amplifier 7591 7591A Vacuum Tube...

$26.59 USD

Amplifier 7591 7591A Vacuum Tube...

$26.59 USD

VINTAGE JACKSON MODEL 598 DYNAMIC TUBE TESTER

USA

VINTAGE JACKSON MODEL 598 DYNAMIC...

$99.99 USD

VINTAGE JACKSON MODEL 598 DYNAMIC...

$99.99 USD

Heathkit TC-2 Dynamic Tube Checker With Hard Case, manuals, and accessories

USA

Heathkit TC-2 Dynamic Tube Checker...

$89.00 USD

Heathkit TC-2 Dynamic Tube Checker...

$89.00 USD

Vtg Sterling R-510 Tube Tester & Reactivator Untested Cleveland Ohio USA

USA

Vtg Sterling R-510 Tube Tester &...

$52.50 USD

Vtg Sterling R-510 Tube Tester &...

$52.50 USD

Precision Tube Test Data for 910 912 914 915 920 922 954 Tube Testers

USA

Precision Tube Test Data for 910 912...

$9.99 USD

Precision Tube Test Data for 910 912...

$9.99 USD

Heathkit IT-21 Tube Checker manual assembly operation diagrams 44 page complete

USA

Heathkit IT-21 Tube Checker manual...

$9.99 USD

Heathkit IT-21 Tube Checker manual...

$9.99 USD

Hickok 600 Early Version Tube Tester Manual

USA

Hickok 600 Early Version Tube Tester...

$13.99 USD

Hickok 600 Early Version Tube Tester...

$13.99 USD

Anode Grid Cap and 18" 30KV Wire 9/16" for 805 811 813 572B 866A 872 Large

USA

Anode Grid Cap and 18" 30KV Wire...

$10.46 USD

Anode Grid Cap and 18" 30KV Wire...

$10.46 USD

Anode Grid Cap Small with 18" Wire 1/4" for 6K7 6JM6 EL519 EL504 EF37

USA

Anode Grid Cap Small with 18" Wire...

$10.46 USD

Anode Grid Cap Small with 18" Wire...

$10.46 USD

Hickok 752A Project Tube Tester

USA

Hickok 752A Project Tube Tester

$449.10 USD

Hickok 752A Project Tube Tester

$449.10 USD

Vintage Superior Instruments Model TD-55 Vacuum Tube Tester Powers On UNTESTED

USA

Vintage Superior Instruments Model...

$55.99 USD

Vintage Superior Instruments Model...

$55.99 USD

Hickok 6000 Dynamic Tube Tester Complete Manual

USA

Hickok 6000 Dynamic Tube Tester...

$16.99 USD

Hickok 6000 Dynamic Tube Tester...

$16.99 USD

Vintage Pomona Electronics SS-8 Octal Tube Socket Saver Radio/Tube Tester Hi Fi

USA

Vintage Pomona Electronics SS-8 Octal...

$29.99 USD

Vintage Pomona Electronics SS-8 Octal...

$29.99 USD

HICKOK CA-5 1704 ADAPTER TV-7 ETC

USA

HICKOK CA-5 1704 ADAPTER TV-7 ETC

$199.95 USD

HICKOK CA-5 1704 ADAPTER TV-7 ETC

$199.95 USD

Hickok 539B Tube Tester Operating Manual

USA

Hickok 539B Tube Tester Operating Manual

$11.99 USD

Hickok 539B Tube Tester Operating Manual

$11.99 USD

Test Lead for HICKOK TV7 series Military Tube Tester (Free & Fast Shipping!)

USA

Test Lead for HICKOK TV7 series...

$24.99 USD

Test Lead for HICKOK TV7 series...

$24.99 USD

Precise Model 111 Gm and Em Mutual Tube Tester

USA

Precise Model 111 Gm and Em Mutual ...

$310.00 USD

Precise Model 111 Gm and Em Mutual ...

$310.00 USD

British Telecom Tester SA9083 Vintage with Yellow Carry Case Used

USA

British Telecom Tester SA9083 Vintage...

$30.00 USD

British Telecom Tester SA9083 Vintage...

$30.00 USD

TV-7 TV-7A/U TV-7B/U TV-7C/U TV-7D/U tube tester meter (replica) NEW

Taiwan

TV-7 TV-7A/U TV-7B/U TV-7C/U TV-7D/U...

$60.00 USD

TV-7 TV-7A/U TV-7B/U TV-7C/U TV-7D/U...

$60.00 USD

Vintage TV-10D/U Military Tube Tester & Tube Test Data In Book Form.

USA

Vintage TV-10D/U Military Tube Tester...

$450.00 USD

Vintage TV-10D/U Military Tube Tester...

$450.00 USD

M2-EL84 Match Probes Vacuum Tube Bias Cathode Current Tester EL84 6BQ5 6P14 7189

China

M2-EL84 Match Probes Vacuum Tube Bias...

$14.09 USD

M2-EL84 Match Probes Vacuum Tube Bias...

$14.09 USD

Western-Electric KS-15750-L1 Manual 11x17 Schematic Calibration & Test Data CA-4

USA

Western-Electric KS-15750-L1 Manual...

$25.00 USD

Western-Electric KS-15750-L1 Manual...

$25.00 USD

B&K Precision Video Display CTR Tester/Rejuvenator Model 490 w/6 Socket Adapters

USA

B&K Precision Video Display CTR...

$625.00 USD

B&K Precision Video Display CTR...

$625.00 USD

Sencore TC-28 * TUBE & TRANSISTOR TESTER * "The Hybrider" w/ Manual - Works

USA

Sencore TC-28 * TUBE & TRANSISTOR...

$299.95 USD

Sencore TC-28 * TUBE & TRANSISTOR...

$299.95 USD

Vtg Fedtro All Purpose Jiffy Tester - TV & Radio Tubes - NEW Old Stock

USA

Vtg Fedtro All Purpose Jiffy Tester -...

$18.00 USD

Vtg Fedtro All Purpose Jiffy Tester -...

$18.00 USD

Hickok model 533 Dynamic mutual conductance tube tester , TESTED !

USA

Hickok model 533 Dynamic mutual...

$298.90 USD

Hickok model 533 Dynamic mutual...

$298.90 USD

Hickok 6000 Micromho Dynamic Mutual Conductance Vacuum Tube Tester Vintage AS-IS

USA

Hickok 6000 Micromho Dynamic Mutual...

$249.99 USD

Hickok 6000 Micromho Dynamic Mutual...

$249.99 USD

EICO 667 Dynamic Conductance Tube Tester Tested Good!!

USA

EICO 667 Dynamic Conductance Tube...

$274.99 USD

EICO 667 Dynamic Conductance Tube...

$274.99 USD

SYLVANIA ELECTRIC Type 400 Television Oscilloscope

USA

SYLVANIA ELECTRIC Type 400 Television...

$89.99 USD

SYLVANIA ELECTRIC Type 400 Television...

$89.99 USD

Heathkit IT-5230 CRT Tester and Rejuvenator With Leads Powers On

USA

Heathkit IT-5230 CRT Tester and...

$99.97 USD

Heathkit IT-5230 CRT Tester and...

$99.97 USD

Vintage Mercury 1100C Tube Tester Papers Handbook & Case Sold As-is Untested

USA

Vintage Mercury 1100C Tube Tester...

$103.99 USD

Vintage Mercury 1100C Tube Tester...

$103.99 USD

U.S. ARMY SIGNAL CORPS TV-2/U Military Tube Tester

USA

U.S. ARMY SIGNAL CORPS TV-2/U...

$895.00 USD

U.S. ARMY SIGNAL CORPS TV-2/U...

$895.00 USD

Tube & Set Tester Analog Meter Working! Unbranded 4 1/4 X 4 Inches Supreme

USA

Tube & Set Tester Analog Meter...

$39.99 USD

Tube & Set Tester Analog Meter...

$39.99 USD

Amplifier EL84 6P14 6BQ5 Amptata T4 Vacuum Tube Tester Bias Current mA Version

China

Amplifier EL84 6P14 6BQ5 Amptata T4...

$44.69 USD

Amplifier EL84 6P14 6BQ5 Amptata T4...

$44.69 USD