MULLARD EL84 made in Gt. Britian AMPLITREX AT1000 TESTED 1MQ
Price: USD 288.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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1 RCA 5691 6SL7 RED BASE Tube Amplitrex AT1000 tested Strong 93% gm/100% mA+
Price: USD 75.00
Condition: Used
Location: 109**
Shipping Type: FIXED
Shipping Cost: USD 9.00
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1 RCA 5693 Tube Amplitrex AT1000 tested Good 1956
Price: USD 19.99
Condition: Used
Location: 109**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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1 VINTAGE NOS SPEED BRAND 112A Tube Amplitrex tested strong ORIG. BOX #2
Price: USD 35.00
Condition: Used
Location: 109**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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GE 12AY7 VACUUM TUBE AMPLITREX AT1000 TESTED STRONG
Price: USD 32.00
Condition: Unspecified
Location: 553**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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BRIMAR CV4003 ECC82 12AU7 made in England Amplitrex AT1000 1MP
Price: USD 140.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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Rare Mullard HH Scott 5AR4 GZ34 4 notch f32 Gt. Britain Amplitrex Test Strong
Price: USD 120.00
Condition: Unspecified
Location: 554**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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7591 GE (Amperex Label) Amplitrex AT1000 Tested Strong
Price: USD 65.00
Condition: Used
Location: 554**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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One Excellent DUMONT 6688 Tube NOS NIB AMPEREX NY Mfg. GM[%]: 94 AMPLITREX
Price: USD 9.95
Condition: New
Location: 171**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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JAN 6SN7GT VT231 KENRAD Mil Grade made In U.S.A amplitrex AT1000 Tested
Price: USD 260.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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One Excellent ADMIRAL by GE 5Y3GT Tube NOS NIB Balanced AMPLITREX Results
Price: USD 25.95
Condition: New
Location: 171**
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Shipping Cost: USD 0.00
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Pair NOS GE 6DJ8 Vacuum Tubes Amplitrex AT1000 Tube Tester
Price: USD 25.00
Condition: Used
Location: 554**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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GEC 6V6G Black Glass made in England Amplitrex Tested AT1000
Price: USD 238.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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JAN 6SN7GT VT231 KENRAD Mil Grade made In U.S.A amplitrex AT1000 Tested
Price: USD 350.00
Condition: New
Location: ******
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Shipping Cost: USD 40.00
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Tung-Sol EL-34 Made in Holland - New - Amplitrex Test - See Pics -30 Day Returns
Price: USD 224.50
Condition: New
Location: 305**
Shipping Type: FIXED
Shipping Cost: USD 7.00
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7189A NEC made In Japan Amplitrex AT1000 1 Match Pair 2 Pcs
Price: USD 250.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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1 NOS SYLVANIA 1944 WWII ERA VT-30 01A Tube Amplitrex tested 100% GM Orig BOX
Price: USD 29.99
Condition: Used
Location: 109**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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TUNG-SOL 12AX7 LONG PLATE made in U.S.A AMPLITREX AT1000
Price: USD 40.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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Brimar Ediswan ECC83 12AX7 made in England Amplitrex AT1000
Price: USD 90.00
Condition: New
Location: ******
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Shipping Cost: USD 0.00
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1 WESTINGHOUSE WL 5693 Tube Amplitrex AT1000 tested 112% GM 1959
Price: USD 29.99
Condition: Used
Location: 109**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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5687 Tungsol made in USA Tested Amplitrex AT1000 1Pcs
Price: USD 70.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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One HYTRON 6AV6 Tube NOS NIB Strong Triode Balanced Diodes, AMPLITREX Results
Price: USD 10.25
Condition: New
Location: 171**
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Shipping Cost: USD 0.00
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Two GE 6688 Tubes One Premium 5 STAR 6688, One 6688 AMPLITREX Test Results
Price: USD 18.95
Condition: Open box
Location: 171**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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One KEN-RAD JAN CKR 6SQ7 VT-103 Tube Strong TV-7 & AMPLITREX Test Results
Price: USD 9.44
Condition: Used
Location: 171**
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5V4G KEN-RAD NOS made in U.S.A Amplitrex AT1000 Tested
Price: USD 108.00
Condition: New
Location: ******
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Shipping Cost: USD 30.00
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6080/6AS7G Kenrad Metal Base Made in U.S.A Amplitrex AT1000 Tested #321001/2
Price: USD 138.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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One RCA 6AV6 Tube NOS NIB Strong Triode & Balanced Diodes AMPLITREX Results
Price: USD 10.25
Condition: New
Location: 171**
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Six 6CD6GA Tubes STRONG No Gas AMPLITREX....
Price: USD 16.95
Condition: Used
Location: 171**
Shipping Type: CALCULATED
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Brimar ECC82 CV4003 12AU7 made in England Tested Amplitrex AT1000
Price: USD 140.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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5814A ECC82 Toshiba triple mica "O" Getter made in Japan Ampltrex tested AT1000
Price: USD 300.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 40.00
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Osram Z729 EF86 Fine Mesh Anode Made in UK Amplitrex AT1000 Tested 1 Pc
Price: USD 250.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 40.00
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SIEMENS E180F - 6688 made in Germany Amplitrex Tested AT1000 1MQ
Price: USD 80.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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One Excellent RCA 5763 Tube NOS NIB GM [%]: 96 AMPLITREX
Price: USD 9.95
Condition: New
Location: 171**
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1 SYLVANIA VT=25 TYPE 10 ST SHOULDERED Tube Amplitrex AT1000 tested GOOD 91% gm
Price: USD 49.99
Condition: Used
Location: 109**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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2 Emerson Type 80 ST Tubes Matched Dates Amplitrex tested Strong Orig Boxes
Price: USD 75.00
Condition: Used
Location: 109**
Shipping Type: FIXED
Shipping Cost: USD 10.00
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6AS7G Kenrad Made in U.S.A Amplitrex AT1000 Tested 1pc #2829001 Orignal box 1PC
Price: USD 70.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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NOS Amperex Britain 12AT7 12AT7A Matched Sections - Amplitrex AT1000 Tested
Price: USD 55.00
Condition: New
Location: 272**
Shipping Type: CALCULATED
Shipping Cost: USD
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JAN 5751 General Electric 2 mica made in U.S.A Amplitrex AT1000 Tested 1 Pc
Price: USD 35.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 30.00
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CV491 B329 Brimar made in England Amplitrex Tested
Price: USD 180.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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Brimar CV4003 made in England Amplitrex AT1000 Tested Qty
Price: USD 70.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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1 NOS 1950 JAN RCA VT-107A 6V6GT Tube Amplitrex test Strong 97% GM 122% Ma
Price: USD 75.00
Condition: Used
Location: 109**
Shipping Type: FIXED
Shipping Cost: USD 8.00
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6AS7GA JAN-5998 GE Black Base made in U.S.A Amplitrex AT1000 Tested #2843003 & 1
Price: USD 180.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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1959 Tung Sol 12ax7 ECC83 7025 Vacuum Tube Stomberg Carlson Amplitrex Test Strg
Price: USD 40.00
Condition: Unspecified
Location: 554**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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One Excellent PHILIPS Premium PQ 7119 Tube NOS NIB GM [%]: 100/104 AMPLITREX
Price: USD 69.95
Condition: New
Location: 171**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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1 Vintage GE type 10 Tube Balloon St Shape Amplitrex tested Strong Orig Box
Price: USD 125.00
Condition: Used
Location: 109**
Shipping Type: FIXED
Shipping Cost: USD 15.00
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RCA 12AT6 12BA6 12BE6 35W4 50B5 Tubes NOS NIB AA5 Test STRONG AMPLITREX & TV-7
Price: USD 37.95
Condition: New
Location: 171**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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6AS7GA JAN-5998 GE made in U.S.A Amplitrex AT1000 Tested #2843004
Price: USD 90.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 30.00
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BEL 25 807 Ham Radio Tube made in India Amplitrex AT1000 Tested Qty 1 MP (2 Pcs)
Price: USD 160.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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6SN7GT KENRAD Coated Glass made In U.S.A amplitrex AT1000 Tested #3068050 693001
Price: USD 260.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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One RCA 6EJ7 Tube NOS NIB Tests Strong Quality JAPAN Mfg AMPLITREX Results
Price: USD 12.95
Condition: New
Location: 171**
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Shipping Cost: USD 0.00
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ECC83 Valvo Philips Amplitrex AT1000 Tested Qty 1 Pc
Price: USD 150.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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SYLVANIA 12AV6 12BA6 12BE6 35W4 50C5 Tubes NOS AA5 STRONG AMPLITREX TV-7 Results
Price: USD 37.95
Condition: New
Location: 171**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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1 VINTAGE TUNG SOL TYPE 71A ST SHAPE Tube Amplitrex tests NOS 106 GM & 99 mA
Price: USD 34.99
Condition: Used
Location: 109**
Shipping Type: FIXED
Shipping Cost: USD 5.00
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One SERVICEMASTER 12BY7A Tube NOS NIB GM[%]: 96, EM[%]: 91: AMPLITREX
Price: USD 14.95
Condition: New
Location: 171**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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6080WA CV5008 Tungsol Metal Base Made in United State Amplitrex AT1000 Tested
Price: USD 40.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 30.00
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6060 12AT7W ECC801 BRIMAR T Label Made in England Amplitrex Tested 1MP
Price: USD 80.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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6SN7GT Toshiba Clear Glass Made In Japan Amplitrex At1000 Tested 1 Pc #1834017
Price: USD 50.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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RFT ECC83 made in England AMPLITREX AT1000
Price: USD 30.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 30.00
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RCA 6Y6G BLACK GLASS made in Tested USA Amplitrex AT1000 1MQ
Price: USD 95.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 40.00
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VINTAGE TUNG-SOL JAN 6550 USA AUDIO TUBE AMPLITREX TESTED STRONG 83% Gm
Price: USD 125.00
Condition: Unspecified
Location: 553**
Shipping Type: FIXED
Shipping Cost: USD 7.00
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One Excellent RCA 5763 Tube NOS NIB GM [%]: 102 AMPLITREX
Price: USD 11.25
Condition: New
Location: 171**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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1952 Sylvania JAN CHS 12AU7WA Tested NOS Amplitrex AT1000
Price: USD 52.00
Condition: Used
Location: 554**
Shipping Type: FIXED
Shipping Cost: USD 5.00
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One Excellent TUNG-SOL 12AB5 Tube NOS NIB Test: GM[%]: 100 AMPLITREX
Price: USD 10.35
Condition: New
Location: 171**
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Shipping Cost: USD 0.00
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Brimar ECC82 CV4003 12AU7 made in England Amplitrex AT1000 Tested 1MP
Price: USD 140.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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JAN-CHY- 6L6WGB /5881 CBS Made in U.S.A Amplitrex AT1000 Tested #2220001
Price: USD 70.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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5751-GB Sylvania Gold Pin Top Ring Getter Made in U.S.A Amplitrex AT1000 Tested
Price: USD 96.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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12AU7 TEN Triple Mica made in Japan Amplitrex AT1000 Tested Qty 1 Pc
Price: USD 125.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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(2) jj 5751 Tube Lower Gain 12AX7 - Amplitrex AT-1000 Matched Pair
Price: USD 59.00
Condition: New
Location: 272**
Shipping Type: CALCULATED
Shipping Cost: USD
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3A/141AY CV1639 STC 4101E WE101D DHT triode made in England Amplitrex
Price: USD 598.00
Condition: Unspecified
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 30.00
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One RCA 6EJ7 Tube NOS NIB Tests Strong CANADA Mfg. AMPLITREX Test Results
Price: USD 12.95
Condition: New
Location: 171**
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12E1 CV345 GEC made in England Amplitrex Tested AT1000
Price: USD 100.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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Three TEKTRONIX TOSHIBA 6AK5 Tubes Match Construction GM[%]: 94 97 98 AMPLITREX
Price: USD 17.95
Condition: Open box
Location: 171**
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Shipping Cost: USD 0.00
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ERA ECC83 made in GERMANY Tested on Amplitrex AT1000
Price: USD 30.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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One RCA 6AV6 Tube NOS NIB Strong Triode Balanced Diodes AMPLITREX Results
Price: USD 10.25
Condition: New
Location: 171**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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5V4G MULLARD NOS Made in Gt.Britian Amplitrex AT1000 Tested
Price: USD 144.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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6SN7GT VT231 KENRAD Black Base Mil Grade made In U.S.A amplitrex AT1000 Tested
Price: USD 260.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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E810F 7788 Amperex made in U.S.A Gold pins Amplitrex tested 1MP #2981003 2981004
Price: USD 120.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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5U4G Westing House made in Canada Amplitrex AT1000 Tested #1956001
Price: USD 80.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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VT25 RCA Globe made in U.S.A Amplitrex Tested fixed bias
Price: USD 150.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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One Excellent HYTRON 6SK7GT Y Tube Metal Skirt GM[%]: 110 EM[%]: 121 AMPLITREX
Price: USD 12.95
Condition: Used
Location: 171**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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EL34 6CA7 RSD Top O Getter Made in Germany Amplitrex AT1000 Tested#502001
Price: USD 120.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 30.00
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5U4G RCA made in U.S.A Amplitrex AT1000 Tested #3557001
Price: USD 60.00
Condition: Used
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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Valvo EF37A Red coated Glass Made in Great Britain Amplitrex AT 1000 Tested 1 MQ
Price: USD 200.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 40.00
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ONE (1) GEIGER VACUUM TUBE SEALED IN TIN! c.1952-1957 WITH KEY
Price: USD 125.00
Condition: For parts or not working
Location: 326**
Shipping Type: CALCULATED
Shipping Cost: USD
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Brimar ECC82 CV4003 12AU7 made in England Amplitrex AT1000 Tested 1MP
Price: USD 140.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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GEC KT66 VINTAGE VALVES TUBE AMPLITREX TESTED NEW OLD STOCK 100% GM
Price: USD 200.00
Condition: Unspecified
Location: 553**
Shipping Type: FIXED
Shipping Cost: USD 7.00
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EL34 6CA7 Amperex Top O Getter Amplitrex AT1000 Tested
Price: USD 72.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 30.00
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BEL EF95 6AK5 made in India Amplitrex Tested AT1000
Price: USD 20.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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One Excellent CBS 6CS6 Tube NOS NIB Strong as Hell! GM[%]: 133 AMPLITREX
Price: USD 9.95
Condition: New
Location: 171**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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BEL-EF95 6AK5 made in India Amplitrex Tested AT1000
Price: USD 10.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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ECC81 TELEFUNKEN made in Germany Amplitrex AT1000
Price: USD 70.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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VT4C 211 General Electric Transmitter Amplifier Amplitrex Tested
Price: USD 716.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 50.00
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Lot Of 3 NOS NIB RCA Long Black Plate D Getter 5965 Tubes Amplitrex AT1000 Test
Price: USD 30.00
Condition: Unspecified
Location: 554**
Shipping Type: CALCULATED
Shipping Cost: USD
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1MP ECC88 6922/ 6DJ8 BEL made in India Amplitrex AT1000 tested #181012, 181014
Price: USD 90.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 30.00
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1 NOS SYLVANIA TYPE 50 ST SHAPE Tube Amplitrex tested 100% GM & mA !!
Price: USD 200.00
Condition: Used
Location: 109**
Shipping Type: FIXED
Shipping Cost: USD 18.00
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6SN7GT ROGERS Amplitrex AT1000 Tested #3908001
Price: USD 110.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 0.00
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GENERAL ELECTRIC 7581A (6L6C KT66) O Getter Made in USA Amplitrex Tested
Price: USD 90.00
Condition: New
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 30.00
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6 RFT ECC82 12AU7 TUBES TESTED ON AMPLITREX AT1000 TUBETESTER
Price: USD 150.00
Condition: Unspecified
Location: 31***
Shipping Type: FIXED
Shipping Cost: USD 0.00
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6L6GB NEC Black Base made in U.S.A Amplitrex AT1000 Tested 1 Pc
Price: USD 150.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 35.00
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1MQ 12E1 CV345 KT88 STC Black Baase Amplitrex tested #2746005/14/16/18
Price: USD 238.00
Condition: Open box
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 30.00
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