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2,024 results in Business & Industrial

Vintage EMC Model 213 Vacuum Tube Tester With Manual FREE SHIPPING! Used
Tube Testers

Vintage EMC Model 213 Vacuum Tube Tester With Manual FREE SHIPPING!

USD $69.99

Seller: 100.0% positive

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Digital Vacuum Tube Tester New
Tube Testers

Digital Vacuum Tube Tester

USD $398.00

Seller: 100.0% positive

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Hughes Multitracer Model 5 Vintage Vacuum Tube Test Equipment Curve Tracer Used
Tube Testers

Hughes Multitracer Model 5 Vintage Vacuum Tube Test Equipment Curve Tracer

USD $189.00

Seller: 100.0% positive

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Precision Apparatus Co., Inc. Model 640 Vacuum Tube Tester w/ Case Used
Tube Testers

Precision Apparatus Co., Inc. Model 640 Vacuum Tube Tester w/ Case

USD $120.00

Seller: 96.3% positive

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B&K DYNA SCAN MODEL 607 SOLID STATE TUBE TESTER Used
Tube Testers

B&K DYNA SCAN MODEL 607 SOLID STATE TUBE TESTER

USD $150.00

Seller: 100.0% positive

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CLEAN MILITARY TV-7A/U TUBE TESTER For parts or not working
Tube Testers

CLEAN MILITARY TV-7A/U TUBE TESTER

USD $595.00

Seller: 99.9% positive

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EICO 667 Dynamic Conductance Tube & Transistor Tester Used
Tube Testers

EICO 667 Dynamic Conductance Tube & Transistor Tester

USD $276.25

Seller: 99.9% positive

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TV-7 D/U Military Tube Tester refurbished/calibrated Sept 2026 Used
Tube Testers

TV-7 D/U Military Tube Tester refurbished/calibrated Sept 2026

USD $1,100.00

Seller: 100.0% positive

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NOS RCA 12BA6 Electron Tube New – Open box
Tube Testers

NOS RCA 12BA6 Electron Tube

USD $17.99

Seller: 100.0% positive

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EICO 667 Dynamic Conductance Tube & Transistor Tester with Manuals Used
Tube Testers

EICO 667 Dynamic Conductance Tube & Transistor Tester with Manuals

USD $255.00

Seller: 100.0% positive

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US Signal Corps Model I-177-B Tube Tester For parts or not working
Tube Testers

US Signal Corps Model I-177-B Tube Tester

USD $125.00

Seller: 99.8% positive

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B&K 747 Tube TESTER, UPDATED PARTS, CALIBRATED, WALNUT VANEER CASE, PLUS EXTRAS Used
Tube Testers

B&K 747 Tube TESTER, UPDATED PARTS, CALIBRATED, WALNUT VANEER CASE, PLUS EXTRAS

USD $625.00

Seller: 100.0% positive

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Vintage B&K 747 dynamic Tube tester checker parts project FREE SHIP For parts or not working
Tube Testers

Vintage B&K 747 dynamic Tube tester checker parts project FREE SHIP

USD $195.00

Seller: 100.0% positive

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Vintage Conar Instruments Model 221 Tube Tester Untested Used
Tube Testers

Vintage Conar Instruments Model 221 Tube Tester Untested

USD $149.96

Seller: 100.0% positive

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Vintage Simplex SM600-756 Signal Level Meter IBM Era Tube Tester Wood Case RARE Used
Tube Testers

Vintage Simplex SM600-756 Signal Level Meter IBM Era Tube Tester Wood Case RARE

USD $399.99

Seller: 100.0% positive

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PRECISION APPARATUS MODEL 10-12 TUBE TESTER WITH OPERATING INSTRUCTION BOOK Used
Tube Testers

PRECISION APPARATUS MODEL 10-12 TUBE TESTER WITH OPERATING INSTRUCTION BOOK

USD $149.99

Seller: 100.0% positive

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TV-7 D/U Military Tube Tester refurbished/calibrated Sept 2026 Used
Tube Testers

TV-7 D/U Military Tube Tester refurbished/calibrated Sept 2026

USD $1,050.00

Seller: 100.0% positive

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Heathkit TT-1 With TT-1A Mutual Conductance Tube Tester Used
Tube Testers

Heathkit TT-1 With TT-1A Mutual Conductance Tube Tester

USD $650.00

Seller: 100.0% positive

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B&K Precision 700 7O7 DynaJet Vacuum Tube Tester, REPAIR CALIBRATION SERVICE Used
Tube Testers

B&K Precision 700 7O7 DynaJet Vacuum Tube Tester, REPAIR CALIBRATION SERVICE

USD $190.00

Seller: 100.0% positive

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B&K Model 650 Dyna-Quik Dynamic Mutual Conductance Tube & Transistor Tester Used
Tube Testers

B&K Model 650 Dyna-Quik Dynamic Mutual Conductance Tube & Transistor Tester

USD $250.00

Seller: 100.0% positive

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EICO 667 Dynamic Conductance Tube & Transistor Tester w/ Case Data Book Used
Tube Testers

EICO 667 Dynamic Conductance Tube & Transistor Tester w/ Case Data Book

USD $220.00

Seller: 100.0% positive

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Hickok 600A Tube Tester AsIs For Parts/Repair Only/carrying Case/UNTESTED For parts or not working
Tube Testers

Hickok 600A Tube Tester AsIs For Parts/Repair Only/carrying Case/UNTESTED

USD $277.90

Seller: 100.0% positive

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MERCURY 1100A TUBE TESTER REFURBISHED & CALIBRATED AS B&K 606 *FLAT $10 SHIPPING Seller refurbished
Tube Testers

MERCURY 1100A TUBE TESTER REFURBISHED & CALIBRATED AS B&K 606 *FLAT $10 SHIPPING

USD $199.00

Seller: 99.6% positive

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Antique Weston Model 547 Radio Tube Analyzer Test Set 3 Meter Panel Used
Tube Testers

Antique Weston Model 547 Radio Tube Analyzer Test Set 3 Meter Panel

USD $150.00

Seller: 100.0% positive

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HICKOK CA-4 TUBE TESTER COMPACTRON ADAPTER - TESTED Used
Tube Testers

HICKOK CA-4 TUBE TESTER COMPACTRON ADAPTER - TESTED

USD $149.99

Seller: 100.0% positive

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Vintage Lamotte Baltimore Test Tube Box Block Comparator + Tubes Used
Tube Testers

Vintage Lamotte Baltimore Test Tube Box Block Comparator + Tubes

USD $45.00

Seller: 99.8% positive

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Vintage Hickok 539C Tube Tester, PARTS OR REPAIR !! For parts or not working
Tube Testers

Vintage Hickok 539C Tube Tester, PARTS OR REPAIR !!

USD $975.00

Seller: 99.8% positive

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Dual Bias Current Probes Tester+Analog VU Meter for EL34 KT88 6L6 6V6 6550 KT66 New
Tube Testers

Dual Bias Current Probes Tester+Analog VU Meter for EL34 KT88 6L6 6V6 6550 KT66

USD $59.99

Seller: 99.7% positive

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Hickok Model 534 mutual conductance vacuum tube tester. Seller refurbished
Tube Testers

Hickok Model 534 mutual conductance vacuum tube tester.

USD $350.00

Seller: 100.0% positive

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Western Electric KS-15750-L1 Hickok Tube Tester Vintage Parts Repair For parts or not working
Tube Testers

Western Electric KS-15750-L1 Hickok Tube Tester Vintage Parts Repair

USD $265.99

Seller: 99.8% positive

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EICO 667 Dynamic Conductance Tube Tester WORKING Compactron Nuvistor Novar Used
Tube Testers

EICO 667 Dynamic Conductance Tube Tester WORKING Compactron Nuvistor Novar

USD $207.96

Seller: 99.8% positive

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TV-7 TV-7/U TV-7A/U TV-7B/U TV-7D/U Tube tester tag, name plate -Free Shipping New
Tube Testers

TV-7 TV-7/U TV-7A/U TV-7B/U TV-7D/U Tube tester tag, name plate -Free Shipping

USD $12.00

Seller: 0.0% positive

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Tube Tester Model 257 Accurate Instrument Co Vintage Vacuum Tube Tester Used
Tube Testers

Tube Tester Model 257 Accurate Instrument Co Vintage Vacuum Tube Tester

USD $139.99

Seller: 99.7% positive

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Precision Tube Test Data for 612 614 620 654 Tube Testers New
Tube Testers

Precision Tube Test Data for 612 614 620 654 Tube Testers

USD $16.99

Seller: 99.9% positive

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Vintage BK Precision Solid State Tube Tester Model 667 Tested Working- For Parts For parts or not working
Tube Testers

Vintage BK Precision Solid State Tube Tester Model 667 Tested Working- For Parts

USD $110.00

Seller: 100.0% positive

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Mercury Model 1100A Tube Tester - Does Not Work Please Read! For parts or not working
Tube Testers

Mercury Model 1100A Tube Tester - Does Not Work Please Read!

USD $69.00

Seller: 100.0% positive

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Digital vacuum tube tester KIT, Duokit 3 with the front panel, max Vp=500V New
Tube Testers

Digital vacuum tube tester KIT, Duokit 3 with the front panel, max Vp=500V

USD $350.00

Seller: 100.0% positive

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Hickok 752 752A Tube Test Data Book New
Tube Testers

Hickok 752 752A Tube Test Data Book

USD $16.99

Seller: 99.9% positive

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Conar Model 224 Vintage Tube Tester NRI Instruments w/ Case & Manual Powers On Used
Tube Testers

Conar Model 224 Vintage Tube Tester NRI Instruments w/ Case & Manual Powers On

USD $199.99

Seller: 100.0% positive

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Hickok Model 530 Dynamic, Mutual Conductance Tube Tester Used
Tube Testers

Hickok Model 530 Dynamic, Mutual Conductance Tube Tester

USD $245.00

Seller: 96.7% positive

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Rebuild Kit for RCA WT-110A Tube Tester Full Recap & Instructions New
Tube Testers

Rebuild Kit for RCA WT-110A Tube Tester Full Recap & Instructions

USD $10.00

Seller: 100.0% positive

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Knight Model 600A Tube Tester - w/ Case & Lid & How To Operate Tested/Working Used
Tube Testers

Knight Model 600A Tube Tester - w/ Case & Lid & How To Operate Tested/Working

USD $99.00

Seller: 99.8% positive

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Hickok 103 tube tester. Near mint! Used
Tube Testers

Hickok 103 tube tester. Near mint!

USD $265.00

Seller: 100.0% positive

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Hickok 503 mutual conductance tube tester Used
Tube Testers

Hickok 503 mutual conductance tube tester

USD $285.00

Seller: 100.0% positive

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Heathkit Tube Checker Portable Vacuum Tube Tester and multiple vacuum tubes. Used
Tube Testers

Heathkit Tube Checker Portable Vacuum Tube Tester and multiple vacuum tubes.

USD $112.75

Seller: 100.0% positive

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Heathkit Tube Tester Replacement Selector Knob Sets New
Tube Testers

Heathkit Tube Tester Replacement Selector Knob Sets

USD $12.99

Seller: 100.0% positive

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Knight 600 Series Tube Tester powers on w/ Manuals Sylvania Tube Guides Used
Tube Testers

Knight 600 Series Tube Tester powers on w/ Manuals Sylvania Tube Guides

USD $89.99

Seller: 99.3% positive

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ULTRASON 880 Vintage BCB-AL65 Tube Tester - Black Dentaprises Used
Tube Testers

ULTRASON 880 Vintage BCB-AL65 Tube Tester - Black Dentaprises

USD $87.60

Seller: 100.0% positive

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