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1,991 results in Business & Industrial

Valve Wizard Arduino Nano-analyzer PCB (Unpopulated) New
Tube Testers

Valve Wizard Arduino Nano-analyzer PCB (Unpopulated)

USD $15.00

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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READRITE Model 416 Tube Tester With Tube Chart & Globe 45 Tube Used
Tube Testers

READRITE Model 416 Tube Tester With Tube Chart & Globe 45 Tube

USD $70.00

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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maxipreamp II vacuum tube tester Used
Tube Testers

maxipreamp II vacuum tube tester

USD $957.77

Seller: 100.0% positive

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HICKOK 6000 6005 TUBE TESTER ROLL CHART 3200-210 1969 12AX7 5AR4 6L6GC 7591 6CA7 Used
Tube Testers

HICKOK 6000 6005 TUBE TESTER ROLL CHART 3200-210 1969 12AX7 5AR4 6L6GC 7591 6CA7

USD $69.95

Seller: 100.0% positive

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EMC Tube and Transistor Tester Model 215 Electronic Measurements Corp - Untested Used
Tube Testers

EMC Tube and Transistor Tester Model 215 Electronic Measurements Corp - Untested

USD $69.99

Seller: 99.9% positive

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Sencore TC 154 Tube Tester with Manual & Set up Book & Case Used
Tube Testers

Sencore TC 154 Tube Tester with Manual & Set up Book & Case

USD $150.00

Seller: 100.0% positive

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Knight-Kit 400A Tube Tester, in original box untested Used
Tube Testers

Knight-Kit 400A Tube Tester, in original box untested

USD $75.00

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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Lafayette Tube And Transistor Tester Untested For parts or not working
Tube Testers

Lafayette Tube And Transistor Tester Untested

USD $65.00

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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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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Heathkit IT-21 Vintage Radio Tube Tester and Checker Working With Tubes Used
Tube Testers

Heathkit IT-21 Vintage Radio Tube Tester and Checker Working With Tubes

USD $250.00

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 Hickok Model 6000A Tube Tester w/ CA-4 Adapter Serial 391-03901 Used
Tube Testers

Vintage Hickok Model 6000A Tube Tester w/ CA-4 Adapter Serial 391-03901

USD $449.99

Seller: 100.0% positive

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Jackson USA 658A Tube Tester /Dynamic Output Mutual Conductance Tester Used
Tube Testers

Jackson USA 658A Tube Tester /Dynamic Output Mutual Conductance Tester

USD $429.00

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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B&K DYNA-QUIK 650 Tube and Transistor Tester Manual with Tube Data New – Open box
Tube Testers

B&K DYNA-QUIK 650 Tube and Transistor Tester Manual with Tube Data

USD $18.99

Seller: 99.9% positive

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

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

USD $79.99

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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Sencore Mighty Mite VI TC154 Tube Tester with Set-Up Book For parts or not working
Tube Testers

Sencore Mighty Mite VI TC154 Tube Tester with Set-Up Book

USD $60.00

Seller: 98.4% 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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1 Pair 8-pin Bias Current Probes Tester VU Meter for EL34 KT88 6L6 6V6 6550 Tube New
Tube Testers

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

USD $59.99

Seller: 99.8% positive

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Hickok 6000 6000A 6000B 6005 Tube Test Data Book New
Tube Testers

Hickok 6000 6000A 6000B 6005 Tube Test Data Book

USD $16.99

Seller: 99.9% positive

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Vintage B & K CRT Cathode Rejuvenator Tester Model 350 SEE DESCRIPTION Used
Tube Testers

Vintage B & K CRT Cathode Rejuvenator Tester Model 350 SEE DESCRIPTION

USD $50.00

Seller: 100.0% positive

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EICO 625 Complete Tube Tester Manual with 1978 Tube Test Data New – Open box
Tube Testers

EICO 625 Complete Tube Tester Manual with 1978 Tube Test Data

USD $15.99

Seller: 99.9% 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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B&K 667 Solid State Tube Tester, in good working condition Used
Tube Testers

B&K 667 Solid State Tube Tester, in good working condition

USD $190.00

Seller: 100.0% positive

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Vintage Hickok 533A Dynamic Mutual Conductance Tube Tester w/ Manual Untested For parts or not working
Tube Testers

Vintage Hickok 533A Dynamic Mutual Conductance Tube Tester w/ Manual Untested

USD $249.99

Seller: 100.0% positive

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Precision Tube Tester 612 and 614 Manual with Tube Test Data New
Tube Testers

Precision Tube Tester 612 and 614 Manual with Tube Test Data

USD $18.99

Seller: 99.9% positive

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Vintage Mercury Vacuum Tube Tester Model 990 w/ Manual - TESTED WORKING Used
Tube Testers

Vintage Mercury Vacuum Tube Tester Model 990 w/ Manual - TESTED WORKING

USD $119.00

Seller: 100.0% positive

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vintage SUPREME Model 333 DELUXE ANALYZER 10pix Used
Tube Testers

vintage SUPREME Model 333 DELUXE ANALYZER 10pix

USD $49.99

Seller: 99.7% 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 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 Lafayette Tube Tester UNTESTED, AS-IS For parts or not working
Tube Testers

Vintage Lafayette Tube Tester UNTESTED, AS-IS

USD $55.00

Seller: 99.9% positive

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Heathkit & Percision Tube Tester Knobs IT-17, IT-21, IT-3117, TT-1, TC-1, CR-30 New
Tube Testers

Heathkit & Percision Tube Tester Knobs IT-17, IT-21, IT-3117, TT-1, TC-1, CR-30

USD $4.99

Seller: 100.0% positive

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Hickok 605A Vintage Dynamic Mutual Conductance Tube Tester (nice) Used
Tube Testers

Hickok 605A Vintage Dynamic Mutual Conductance Tube Tester (nice)

USD $450.00

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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Amptata V8 Tube Tester Bias Current 6CA7 EL34 KT88 6L6 6V6 5881 KT120 mA Checker New
Tube Testers

Amptata V8 Tube Tester Bias Current 6CA7 EL34 KT88 6L6 6V6 5881 KT120 mA Checker

USD $79.66

Seller: 99.7% positive

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M093 Inductance Tester Motherboard Coil Tester Inductor Detector Repair Tool SP New
Tube Testers

M093 Inductance Tester Motherboard Coil Tester Inductor Detector Repair Tool SP

USD $9.89

Seller: 99.6% positive

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Sencore MU150 Continental II Mutual Conductance Tube Analyzer ( refurbished ) Seller refurbished
Tube Testers

Sencore MU150 Continental II Mutual Conductance Tube Analyzer ( refurbished )

USD $750.00

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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Precision Tube Test Data for 910 912 914 915 920 922 954 Tube Testers New – Open box
Tube Testers

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

USD $14.99

Seller: 99.9% positive

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NEW! 2024 Updated TV-7 Test Settings Book - Many Updates and Corrections! New
Vintage Tubes & Tube Sockets

NEW! 2024 Updated TV-7 Test Settings Book - Many Updates and Corrections!

USD $22.95

Seller: 100.0% positive

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*USA* TV-7D/U TESTER TV-7 2 MANUAL SET ULTIMATE TUBE TEST DATA / HOW TO USE New
Tube Testers

*USA* TV-7D/U TESTER TV-7 2 MANUAL SET ULTIMATE TUBE TEST DATA / HOW TO USE

USD $28.00

Seller: 100.0% positive

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Vintage Industrial Tube Tester Adapter/Controller Unit Used
Tube Testers

Vintage Industrial Tube Tester Adapter/Controller Unit

USD $74.99

Seller: 99.3% 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: 96.6% positive

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