rca-12ax7-black-plate

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12AX7 RCA 17mm Black Plate MaxiPreamp2/TV7 Tested ( 1 ) Tube Lot
12AX7 RCA 17mm Black Plate MaxiPreamp2/TV7 Tested ( 1 ) Tube Lot

$79.99

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12AX7 RCA 17mm Black Plate MaxiPreamp2/TV7 Tested ( 1 ) Tube Lot
12AX7 RCA 17mm Black Plate MaxiPreamp2/TV7 Tested ( 1 ) Tube Lot

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NOS PAIR RCA 12AU7 Black Plates AUDIO AMPLIFIER VACUUM TUBES USA Tested 4.7856-D
NOS PAIR RCA 12AU7 Black Plates AUDIO AMPLIFIER VACUUM TUBES USA Tested 4.7856-D

$74.95

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12AX7 RCA 17mm Black Plate MaxiPreamp2/TV7 Tested ( 1 ) Tube Lot
12AX7 RCA 17mm Black Plate MaxiPreamp2/TV7 Tested ( 1 ) Tube Lot

$99.99

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Pair NOS RCA JRC 5751 12AX7 Black Plate Audio Tubes Amplitrex Tested Match Date
Pair NOS RCA JRC 5751 12AX7 Black Plate Audio Tubes Amplitrex Tested Match Date

$125.00

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1958 RCA USA 12AX7 ECC83 LONG-BLACK-PLATE "D-GETTER" MUSEUM CERTIFIED HOLY-GRAIL
1958 RCA USA 12AX7 ECC83 LONG-BLACK-PLATE "D-GETTER" MUSEUM CERTIFIED HOLY-GRAIL

$175.00

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RCA 12AX7 TUBE WITH BLACK PLATE ANGLED SQUARE GETTER
RCA 12AX7 TUBE WITH BLACK PLATE ANGLED SQUARE GETTER

$34.50

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NOS 1958 RCA SKYTRON USA 12AX7 ECC83 LONG BLACK-PLATES "D-GETTER" AMPLITREX TUBE
NOS 1958 RCA SKYTRON USA 12AX7 ECC83 LONG BLACK-PLATES "D-GETTER" AMPLITREX TUBE

$120.00

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1953 RCA 12AU7 PLATINUM PLUS GRADE Black Plate Preamp Tubes Matched Pair 90% NOS
1953 RCA 12AU7 PLATINUM PLUS GRADE Black Plate Preamp Tubes Matched Pair 90% NOS

$44.95

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12AX7 RCA Tall Black Plate Angled Square Getter 1950s long plates tests balanced
12AX7 RCA Tall Black Plate Angled Square Getter 1950s long plates tests balanced

$89.99

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MATCHED PAIR - 1958 RCA 12AX7 VINTAGE AUDIO TUBES - BLACK PLATES ANGLED D GETTER
MATCHED PAIR - 1958 RCA 12AX7 VINTAGE AUDIO TUBES - BLACK PLATES ANGLED D GETTER

$65.00

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12AX7 RCA 17mm Black Plate Angled Getter MaxiPreamp2/TV7 Tested (1) Tube Lot
12AX7 RCA 17mm Black Plate Angled Getter MaxiPreamp2/TV7 Tested (1) Tube Lot

$79.99

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12AX7 RCA Black Plate Full "D" Getter 1959 MaxiPreamp2/TV7 tested
12AX7 RCA Black Plate Full "D" Getter 1959 MaxiPreamp2/TV7 tested

$99.99

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12AX7 RCA Black Plate NOS/NIB MaxiPreamp2/TV7 Tested ( 1 ) Tube Lot
12AX7 RCA Black Plate NOS/NIB MaxiPreamp2/TV7 Tested ( 1 ) Tube Lot

$199.99

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RCA 12AX7 Test NOS Long Black Ladder Plates Slant D Getter Serious Tubes T889
RCA 12AX7 Test NOS Long Black Ladder Plates Slant D Getter Serious Tubes T889

$100.00

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12AX7 RCA 17mm Black Plate MaxiPreamp2/TV7 Tested ( 1 ) Tube Lot
12AX7 RCA 17mm Black Plate MaxiPreamp2/TV7 Tested ( 1 ) Tube Lot

$79.99

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RCA 12AX7 1953 black plate
RCA 12AX7 1953 black plate

$49.00

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Vintage RCA 12AX7 (ECC83) Tube Tests Strong Balanced Black Plates Guitar Amp
Vintage RCA 12AX7 (ECC83) Tube Tests Strong Balanced Black Plates Guitar Amp

$39.00

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NOS 1958 RCA USA 12AX7 ECC83 LONG BLACK-PLATE "D-GETTER" AMPLITREX TUBES QUINTET
NOS 1958 RCA USA 12AX7 ECC83 LONG BLACK-PLATE "D-GETTER" AMPLITREX TUBES QUINTET

$699.99

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1958 Matched Pair RCA 12AX7 ECC83 Vacuum Tubes Tall Black Plates Square Getters
1958 Matched Pair RCA 12AX7 ECC83 Vacuum Tubes Tall Black Plates Square Getters

$299.99

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RCA Black Plate 12AX7 Quad Strong to NOS Preamp Tubes
RCA Black Plate 12AX7 Quad Strong to NOS Preamp Tubes

$300.00

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RCA LONG BLACK PLATE 12AX7- TESTS VERY GOOD TO NOS - 1953 DATE CODE - THE BEST!
RCA LONG BLACK PLATE 12AX7- TESTS VERY GOOD TO NOS - 1953 DATE CODE - THE BEST!

$69.00

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RCA 12AX7 Vintage Black Plates Angled Getter Tested Audio Amplifier Preamp Radio
RCA 12AX7 Vintage Black Plates Angled Getter Tested Audio Amplifier Preamp Radio

$80.00

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Matched Pair RCA 5751/12AX7/ECC83 Triple Mica Black Plate Square Getter 1958
Matched Pair RCA 5751/12AX7/ECC83 Triple Mica Black Plate Square Getter 1958

$190.00

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Perfectly Matched Pair of RCA 12AX7 ECC83 Black Plate 1955 Vacuum Tubes
Perfectly Matched Pair of RCA 12AX7 ECC83 Black Plate 1955 Vacuum Tubes

$300.00

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HIGH GAIN (99.9, 97.0) RCA 12AX7 / ECC83 TUBE LONG BLACK PLATE SQUARE GETTER
HIGH GAIN (99.9, 97.0) RCA 12AX7 / ECC83 TUBE LONG BLACK PLATE SQUARE GETTER

$39.95

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NOS 1958 RCA ROULAND USA 12AX7 ECC83 LONG BLACK-PLATE "D-GETTER" AMPLITREX TUBE
NOS 1958 RCA ROULAND USA 12AX7 ECC83 LONG BLACK-PLATE "D-GETTER" AMPLITREX TUBE

$128.00

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NOS RCA 5751 12AX7 BLACK PLATE TUBE
NOS RCA 5751 12AX7 BLACK PLATE TUBE

$42.95

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12AX7 RCA 17mm Black Plate MaxiPreamp2/TV7 Tested ( 1 ) Tube Lot
12AX7 RCA 17mm Black Plate MaxiPreamp2/TV7 Tested ( 1 ) Tube Lot

$74.99

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Match Pair NOS RCA 12AX7 Carbonized Black Plates [] Getters 1950s Coveted Tone
Match Pair NOS RCA 12AX7 Carbonized Black Plates [] Getters 1950s Coveted Tone

$269.98

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NIB 5751 RCA JRC-5751 3-Mica Black Plate Slant-D Getter 12AX7
NIB 5751 RCA JRC-5751 3-Mica Black Plate Slant-D Getter 12AX7

$99.99

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RCA 5751 12ax7 black Plates [] Getter Triple Mica Dual Support Rod Wrinkle Glass
RCA 5751 12ax7 black Plates [] Getter Triple Mica Dual Support Rod Wrinkle Glass

$110.00

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1958 RCA 12AX7 ECC83 Vacuum Tube Tall Black Plates Angled Square Getter STRONG
1958 RCA 12AX7 ECC83 Vacuum Tube Tall Black Plates Angled Square Getter STRONG

$169.99

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1953 RCA 12AU7 PLATINUM GRADE Black Plate Preamp Tubes Matched Pair 90% NOS
1953 RCA 12AU7 PLATINUM GRADE Black Plate Preamp Tubes Matched Pair 90% NOS

$39.95

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ECC83/12AX7 RCA LONG BLACK PLATES D GETTER VACUUM TUBES X4
ECC83/12AX7 RCA LONG BLACK PLATES D GETTER VACUUM TUBES X4

$149.99

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1 x 12AX7 RCA Tube*Black-D*Very Strong Testing*1958*#12
1 x 12AX7 RCA Tube*Black-D*Very Strong Testing*1958*#12

$43.99

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1957 RCA 12AX7 Vacuum Tube Angled Square Getter Tall Black Plate Clean Branding
1957 RCA 12AX7 Vacuum Tube Angled Square Getter Tall Black Plate Clean Branding

$44.99

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RCA 5751, 12AX7 VACUUM TUBE BLACK PLATES TESTED
RCA 5751, 12AX7 VACUUM TUBE BLACK PLATES TESTED

$38.00

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RCA / Dumont Long Black Plate 12AX7 Audio Tube - Tested Strong 98/115 min 55
RCA / Dumont Long Black Plate 12AX7 Audio Tube - Tested Strong 98/115 min 55

$55.89

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RCA 12AX7 ECC83 TUBE SINGLE LONG BLK PLT 1957 NOS NIB AUDIO TST LOW NOISE
RCA 12AX7 ECC83 TUBE SINGLE LONG BLK PLT 1957 NOS NIB AUDIO TST LOW NOISE

$126.88

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RCA Black Plate JRC-12AX7 Preamp Tube
RCA Black Plate JRC-12AX7 Preamp Tube

$60.00

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2 x 5751(12ax7) RCA Command Tubes*O-getter*V Strong Testing*Black Plates*NOS*NIB
2 x 5751(12ax7) RCA Command Tubes*O-getter*V Strong Testing*Black Plates*NOS*NIB

$193.00

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1 tested strong Nice Rca black plate 12ax7 tube #FQ43
1 tested strong Nice Rca black plate 12ax7 tube #FQ43

$49.99

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One Low-Mid Testing 1950's RCA 12AX7 Black Plate D-getter Tube
One Low-Mid Testing 1950's RCA 12AX7 Black Plate D-getter Tube

$14.00

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RCA Black Plate 12AX7 Foil Getter Vacuum Tube Tested Strong 93/100% Gm
RCA Black Plate 12AX7 Foil Getter Vacuum Tube Tested Strong 93/100% Gm

$70.00

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1 x 12AX7 RCA Tube*Black Plates-D*Very Strong Testing#8
1 x 12AX7 RCA Tube*Black Plates-D*Very Strong Testing#8

$50.00

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Radio Tubes 5751 12AX7 ECC83 RCA JRC Military Black Plate Test 1600 1700
Radio Tubes 5751 12AX7 ECC83 RCA JRC Military Black Plate Test 1600 1700

$49.99

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RCA NOS 12AX7 ECC83 Long Black Plates Top D Getter Vacuum Tube Tested
RCA NOS 12AX7 ECC83 Long Black Plates Top D Getter Vacuum Tube Tested

$150.00

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Lot Of 3 NOS RCA JRC 5751 12AX7 Black Plate Audio Tubes Tested New 1960’s
Lot Of 3 NOS RCA JRC 5751 12AX7 Black Plate Audio Tubes Tested New 1960’s

$175.00

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RCA 12AX7/ECC83 Long Black Plate Square Getter USA Strong
RCA 12AX7/ECC83 Long Black Plate Square Getter USA Strong

$65.00

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Matched Quad (4) NOS RCA 12AX7 17mm Black Plate Square Getter Tubes TV7 Tested
Matched Quad (4) NOS RCA 12AX7 17mm Black Plate Square Getter Tubes TV7 Tested

$240.00

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Matched Pair RCA JRC-5751WA 12AX7 Triple Mica Black Plate Amplitrex Test Strong
Matched Pair RCA JRC-5751WA 12AX7 Triple Mica Black Plate Amplitrex Test Strong

$145.00

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Sylvania / RCA ECC83 / 12AX7 Vacuum tubes.....two......Long Black Plate
Sylvania / RCA ECC83 / 12AX7 Vacuum tubes.....two......Long Black Plate

$74.95

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RCA 12AX7 Long Black Plates - 1950's - Excellent Amplitrex Test Results
RCA 12AX7 Long Black Plates - 1950's - Excellent Amplitrex Test Results

$94.50

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Radio Tubes 5751 12AX7 ECC83 RCA JRC USA Military Black Plate Matched Pair
Radio Tubes 5751 12AX7 ECC83 RCA JRC USA Military Black Plate Matched Pair

$119.99

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RCA Long Black Plate 12AX7 Vacuum Tube Square Getter Hickok Tested (84% NOS) £
RCA Long Black Plate 12AX7 Vacuum Tube Square Getter Hickok Tested (84% NOS) £

$39.99

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RCA 12AX7/ECC83 Long Black Plate Square Getter Made in USA Strong
RCA 12AX7/ECC83 Long Black Plate Square Getter Made in USA Strong

$75.00

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12AX7 17mm Black Plate Square Getter Tube Amplitrex Tested
12AX7 17mm Black Plate Square Getter Tube Amplitrex Tested

$40.00

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2 x 12AX7 RCA Tubes*Black-D*Uneven Testing*1950's*#6
2 x 12AX7 RCA Tubes*Black-D*Uneven Testing*1950's*#6

$49.99

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RCA 5751, 12AX7 VACUUM TUBE BLACK PLATES TESTED
RCA 5751, 12AX7 VACUUM TUBE BLACK PLATES TESTED

$38.00

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Quad of RCA 12AX7 ECC83 Black Plate 1955 Vacuum Tubes - 6% matched
Quad of RCA 12AX7 ECC83 Black Plate 1955 Vacuum Tubes - 6% matched

$600.00

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1 x 12au7 RCA Victor Tube *Black Plate-D* Strong Testing*NOS*NIB*1950*#6
1 x 12au7 RCA Victor Tube *Black Plate-D* Strong Testing*NOS*NIB*1950*#6

$43.99

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RCA 5751 BLACK PLATE 3 MICA VINTAGE TUBE 12AX7 NOS (1957) TV7 Tested NEW
RCA 5751 BLACK PLATE 3 MICA VINTAGE TUBE 12AX7 NOS (1957) TV7 Tested NEW

$110.00

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Vintage 1950 RCA 12AX7 JRC Tube Long Black Plates D Getter Tests Good
Vintage 1950 RCA 12AX7 JRC Tube Long Black Plates D Getter Tests Good

$150.00

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Vintage 1950s RCA 12AX7 Tube Long Black Plates Angled D Getter Tests Great
Vintage 1950s RCA 12AX7 Tube Long Black Plates Angled D Getter Tests Great

$75.00

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Lot 2 Matched Codes NOS RCA 5751 12AX7 TUBES
Lot 2 Matched Codes NOS RCA 5751 12AX7 TUBES

$98.95

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1958 Matched Quad RCA 12AX7 ECC83 Vacuum Tubes Tall Black Plates Square Getters
1958 Matched Quad RCA 12AX7 ECC83 Vacuum Tubes Tall Black Plates Square Getters

$399.99

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1 x 12AU7 RCA Tube*Black Plates-D*Very Strong Testing*1950's*
1 x 12AU7 RCA Tube*Black Plates-D*Very Strong Testing*1950's*

$24.99

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Strong RCA 12AU7 Long Black Ladder Plates Slant Square Getter Serious Tubes D172
Strong RCA 12AU7 Long Black Ladder Plates Slant Square Getter Serious Tubes D172

$20.00

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A VINTAGE RCA 12AX7/ECC83 LONG BLACKPLATE NOS/NIB VACUUM TUBE
A VINTAGE RCA 12AX7/ECC83 LONG BLACKPLATE NOS/NIB VACUUM TUBE

$150.00

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NOS 1958 RCA SKYTRON USA 12AX7 ECC83 BLACK-PLATE D-GETTER AMPLITREX TESTED TUBE
NOS 1958 RCA SKYTRON USA 12AX7 ECC83 BLACK-PLATE D-GETTER AMPLITREX TESTED TUBE

$119.99

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Radio Tubes 5751 Military 12AX7 ECC83 RCA Black Plate Dual Supports NOS
Radio Tubes 5751 Military 12AX7 ECC83 RCA Black Plate Dual Supports NOS

$99.99

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JRC 5751 12AX7 ECC83 RCA Black Plate O Getter Military Spec Tested Strong Tube
JRC 5751 12AX7 ECC83 RCA Black Plate O Getter Military Spec Tested Strong Tube

$74.45

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12AX7 RCA ECC83 NOS NIB JAN Boxes Matched Pair Square Getter Long Black Anodes
12AX7 RCA ECC83 NOS NIB JAN Boxes Matched Pair Square Getter Long Black Anodes

$399.50

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A VINTAGE RCA 12AX7/ECC83 LONG BLACKPLATE NOS/NIB VACUUM TUBE
A VINTAGE RCA 12AX7/ECC83 LONG BLACKPLATE NOS/NIB VACUUM TUBE

$175.00

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4 1950s RCA 12AU7 Black Plate D Getter Vacuum Tubes Tested On Calibrated TV - 7
4 1950s RCA 12AU7 Black Plate D Getter Vacuum Tubes Tested On Calibrated TV - 7

$49.95

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NOS 1958 RCA JRC 12AT7WA ECC81 Triple Mica Black Plate Tube - TV7 Tested
NOS 1958 RCA JRC 12AT7WA ECC81 Triple Mica Black Plate Tube - TV7 Tested

$48.00

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RCA 12AT7 Black Plate Phase Inverter Reverb Driver Preamp Tube for Fender Amps
RCA 12AT7 Black Plate Phase Inverter Reverb Driver Preamp Tube for Fender Amps

$6.95

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JRC 5751 12AX7 ECC83 RCA 1961 Black Plate Military Spec O Getter NEW Tested Tube
JRC 5751 12AX7 ECC83 RCA 1961 Black Plate Military Spec O Getter NEW Tested Tube

$78.45

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2 x 5751 (12ax7) RCA Command Tubes*V Strong Testing*Black Plates*NOS*NIB #2
2 x 5751 (12ax7) RCA Command Tubes*V Strong Testing*Black Plates*NOS*NIB #2

$200.00

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Pair of Early Vintage Black Plate 12AX7 Tubes, by RCA For Westinghouse
Pair of Early Vintage Black Plate 12AX7 Tubes, by RCA For Westinghouse

$78.00

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12AX7 RCA Black Plate Rectangle Getter MaxiPreamp2/TV7 Tested (1) Tube Lot
12AX7 RCA Black Plate Rectangle Getter MaxiPreamp2/TV7 Tested (1) Tube Lot

$99.99

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1958 RCA 12AX7 ECC83 Vacuum Tube Tall Black Plates Angled Square Getter STRONG
1958 RCA 12AX7 ECC83 Vacuum Tube Tall Black Plates Angled Square Getter STRONG

$199.99

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+++ LOW TEST RCA Tall 17mm BLACK PLATE ECC83 12AX7 ++ AT1000 Tested +++
+++ LOW TEST RCA Tall 17mm BLACK PLATE ECC83 12AX7 ++ AT1000 Tested +++

$21.90

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1 x 12AU7 RCA Tube*Black Plates-D*Very Strong Testing*1950's*#2
1 x 12AU7 RCA Tube*Black Plates-D*Very Strong Testing*1950's*#2

$24.99

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Matched Pair 5963 (12AU7/ECC82) RCA NOS black plate Vacuum Tubes B&K 747B Tested
Matched Pair 5963 (12AU7/ECC82) RCA NOS black plate Vacuum Tubes B&K 747B Tested

$22.95

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4 x Strong RCA 12AT7 ECC81 Black Plate Vacuum Tubes - TV7 Tested
4 x Strong RCA 12AT7 ECC81 Black Plate Vacuum Tubes - TV7 Tested

$35.00

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5751 RCA JRC BLACK PLATE 3 MICA 12AX7 NOS TOP QUALITY (1957) *eTRACER*
5751 RCA JRC BLACK PLATE 3 MICA 12AX7 NOS TOP QUALITY (1957) *eTRACER*

$139.99

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Pair RCA 12AU7 Black Plates ECC82 - Preamp Tubes x2 - TESTED - FREE SHIPPING
Pair RCA 12AU7 Black Plates ECC82 - Preamp Tubes x2 - TESTED - FREE SHIPPING

$37.50

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5751 RCA JRC BLACK PLATE 3 MICA VINTAGE TUBE 12AX7 NOS (1959) *eTRACER*
5751 RCA JRC BLACK PLATE 3 MICA VINTAGE TUBE 12AX7 NOS (1959) *eTRACER*

$159.99

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2 x 12AX7 RCA Tubes*Black-D*Uneven Testing*1950's*#7
2 x 12AX7 RCA Tubes*Black-D*Uneven Testing*1950's*#7

$49.99

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NOS RCA 12AX7 Carbonized Black Plates [] Getters 1950s Coveted Tone
NOS RCA 12AX7 Carbonized Black Plates [] Getters 1950s Coveted Tone

$119.70

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1950’s Matched Pair RCA 12AX7 Vacuum Tubes Angled Square Getter Tall Black Plate
1950’s Matched Pair RCA 12AX7 Vacuum Tubes Angled Square Getter Tall Black Plate

$99.99

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RCA 5751 12AX7WA NOS Black Plate Slant D-Getter Triple Mica Tube
RCA 5751 12AX7WA NOS Black Plate Slant D-Getter Triple Mica Tube

$99.95

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12AX7 RCA Long Black Plates [] Square Tilt Getter Matched Tubes Made in USA '58
12AX7 RCA Long Black Plates [] Square Tilt Getter Matched Tubes Made in USA '58

$198.31

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2 RCA for Bell & Howell 12AX7/ECC83 Black Long Ribbed Tubes TV-7D/U Tested #3639
2 RCA for Bell & Howell 12AX7/ECC83 Black Long Ribbed Tubes TV-7D/U Tested #3639

$89.99

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1958 RCA USA 12AU7 ECC82 LONG-BLACK-PLATE "D-GETTER" MUSEUM CERTIFIED HOLY-GRAIL
1958 RCA USA 12AU7 ECC82 LONG-BLACK-PLATE "D-GETTER" MUSEUM CERTIFIED HOLY-GRAIL

$195.00

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NOS RCA 5751 12AX7 Triple Mica HD Posts Blacks Amplitrex Tested NOS Balanced
NOS RCA 5751 12AX7 Triple Mica HD Posts Blacks Amplitrex Tested NOS Balanced

$70.00

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NOS 5751 BLACK PLATEs Triple MICA D Square Getter TUBE 12AX7A
NOS 5751 BLACK PLATEs Triple MICA D Square Getter TUBE 12AX7A

$99.00

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Vintage 1965 RCA 12AX7 / ECC83 Black Plates - Tested Not Bad / Not Good
Vintage 1965 RCA 12AX7 / ECC83 Black Plates - Tested Not Bad / Not Good

$29.99

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