rca-12ax7-black-plate

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NOS/NIB RCA COMMAND 12AX7 (ECC83 ) VACUUM TUBE - BLACK PLATE - TESTED NOS
NOS/NIB RCA COMMAND 12AX7 (ECC83 ) VACUUM TUBE - BLACK PLATE - TESTED NOS

$49.99

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2 VINTAGE RCA 12AX7 BLACK PLATE VACUUM TUBES 1
2 VINTAGE RCA 12AX7 BLACK PLATE VACUUM TUBES 1

$90.00

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1957 RCA 5751 12AX7 BLACK PLATE D GETTER Tube BOGEN AMP No microphonics LOT B
1957 RCA 5751 12AX7 BLACK PLATE D GETTER Tube BOGEN AMP No microphonics LOT B

$30.68

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Single RCA 12AX7- 1958 Vintage. Black Plate/Slanted Getter. Strong And Quiet!
Single RCA 12AX7- 1958 Vintage. Black Plate/Slanted Getter. Strong And Quiet!

$65.00

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HIGH GAIN (106.6, 109) RCA 12AX7 LONG BLACK PLATE PLATE DIMPLED FOIL D GETTER
HIGH GAIN (106.6, 109) RCA 12AX7 LONG BLACK PLATE PLATE DIMPLED FOIL D GETTER

$44.95

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TESTED RCA 12AX7 / ECC83 TUBE LONG BLACK PLATE FOIL D GETTER PINCHED WAISTE
TESTED RCA 12AX7 / ECC83 TUBE LONG BLACK PLATE FOIL D GETTER PINCHED WAISTE

$44.95

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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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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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RCA 12AX7 LONG BLACK PLATE,,
RCA 12AX7 LONG BLACK PLATE,,

$35.00

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NOS RCA BLACK PLATE 12AX7 LONG PLATE
NOS RCA BLACK PLATE 12AX7 LONG PLATE

$75.00

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Strong Vintage 1955 RCA 12AX7 ECC83 BLACK Plate Square GETTER Tube
Strong Vintage 1955 RCA 12AX7 ECC83 BLACK Plate Square GETTER Tube

$39.99

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TESTED RCA 12AX7 / ECC83 AUDIO TUBE LONG BLACK PLATE SQUARE GETTER
TESTED RCA 12AX7 / ECC83 AUDIO TUBE LONG BLACK PLATE SQUARE GETTER

$37.95

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

$189.99

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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 Long Black Plate 1957 Date Vacuum Tube Tested Strong
RCA 12AX7 Long Black Plate 1957 Date Vacuum Tube Tested Strong

$99.95

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RCA Black plate 12ax7 1950s Bent Rect getter w foil 100/100 each side RARE
RCA Black plate 12ax7 1950s Bent Rect getter w foil 100/100 each side RARE

$69.99

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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

$225.00

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RCA 12AX7 LONG BLACK PLATE,, RED DOT
RCA 12AX7 LONG BLACK PLATE,, RED DOT

$75.00

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Strong Vintage 1954 RCA 12AX7 ECC83 BLACK Plate Square GETTER Tube
Strong Vintage 1954 RCA 12AX7 ECC83 BLACK Plate Square GETTER Tube

$54.99

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

$75.00

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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

$49.99

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RCA 12AX7 - Long Black Plate, Slanted "D" Getter Preamp Vacuum Tube - FREE Ship!
RCA 12AX7 - Long Black Plate, Slanted "D" Getter Preamp Vacuum Tube - FREE Ship!

$65.00

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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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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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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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2 VINTAGE RCA 12AX7 BLACK PLATE VACUUM TUBES 2
2 VINTAGE RCA 12AX7 BLACK PLATE VACUUM TUBES 2

$90.00

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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

$99.99

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2 VINTAGE RCA 12AX7 BLACK PLATE VACUUM TUBES 3
2 VINTAGE RCA 12AX7 BLACK PLATE VACUUM TUBES 3

$90.00

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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

$99.99

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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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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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(4)RCA 5751 12AX7 BLACK PLATE TUBE NOS/NIB Tested 1 (strong)
(4)RCA 5751 12AX7 BLACK PLATE TUBE NOS/NIB Tested 1 (strong)

$220.00

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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

$69.99

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1 Strong tv7 tested 1950's Rca long black plate, D getter 12ax7 tube
1 Strong tv7 tested 1950's Rca long black plate, D getter 12ax7 tube

$47.00

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1 Excellent tv7 tested 1956 Rca long black plate, angled D getter 12ax7 tube
1 Excellent tv7 tested 1956 Rca long black plate, angled D getter 12ax7 tube

$79.00

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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

$99.99

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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

$99.99

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

$60.00

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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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EARLY RCA 12AX7 TUBE WITH BLACK PLATE ANGLED D GETTER
EARLY RCA 12AX7 TUBE WITH BLACK PLATE ANGLED D GETTER

$49.50

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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

$136.00

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2 Strong Matched RCA Black Plate Square D Getter 12AT7 / ECC81 Tubes
2 Strong Matched RCA Black Plate Square D Getter 12AT7 / ECC81 Tubes

$34.99

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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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1 Excellent strong perfect balanced Rca black plate 12ax7 tube #BE29
1 Excellent strong perfect balanced Rca black plate 12ax7 tube #BE29

$39.99

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Strong Matched Perfect Balanced Pair RCA 12AT7 ECC81 Black Plate Tubes - TV7
Strong Matched Perfect Balanced Pair RCA 12AT7 ECC81 Black Plate Tubes - TV7

$26.00

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RCA 12AX7 Test NOS Long Black Ladder Plates Slant D Getter Serious Tubes T892
RCA 12AX7 Test NOS Long Black Ladder Plates Slant D Getter Serious Tubes T892

$100.00

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RARE Matched Pair NOS/NIB RCA JRC 12AT7WA/ECC81 Black Plates Triple Mica tubes
RARE Matched Pair NOS/NIB RCA JRC 12AT7WA/ECC81 Black Plates Triple Mica tubes

$99.99

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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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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

$111.99

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1 pair RCA 5751 (12AX7/ECC83/CV4004) vintage tubes black plate
1 pair RCA 5751 (12AX7/ECC83/CV4004) vintage tubes black plate

$88.00

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RARE Matched Pair NOS/NIB RCA JRC 12AT7WA/ECC81 Black Plates Triple Mica tubes
RARE Matched Pair NOS/NIB RCA JRC 12AT7WA/ECC81 Black Plates Triple Mica tubes

$89.99

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4 x 12au7 RCA Tubes*Black Plates -D*Good Testing Quad* 1955-56*#3
4 x 12au7 RCA Tubes*Black Plates -D*Good Testing Quad* 1955-56*#3

$58.99

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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

$54.27

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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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2 x 5814A (12AU7) RCA Tubes*Black Plates-O* Strong Matched Pair*Command*#6
2 x 5814A (12AU7) RCA Tubes*Black Plates-O* Strong Matched Pair*Command*#6

$59.99

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1 x 12AU7 RCA-Victor Tube*Black Plates-D* Strong Testing*1950-Rare*#8
1 x 12AU7 RCA-Victor Tube*Black Plates-D* Strong Testing*1950-Rare*#8

$34.99

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NOS Close Pair RCA Black Plate 12BY7A Tubes-Test Strong
NOS Close Pair RCA Black Plate 12BY7A Tubes-Test Strong

$39.75

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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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1959 RCA 5751 12AX7 BLACK PLATE D GETTER Tube BOGEN AMP No microphonics TV7 TEST
1959 RCA 5751 12AX7 BLACK PLATE D GETTER Tube BOGEN AMP No microphonics TV7 TEST

$38.37

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2 x 5814A(12AU7) RCA Tubes*Black Plates D*3-Mica**1955*#5
2 x 5814A(12AU7) RCA Tubes*Black Plates D*3-Mica**1955*#5

$83.99

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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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1954 RCA 12AX7 (ECC83) Tube - 17mm Long Black Plates; New Old Stock / New IN Box
1954 RCA 12AX7 (ECC83) Tube - 17mm Long Black Plates; New Old Stock / New IN Box

$98.95

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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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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

$185.00

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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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NOS RCA USA 5751 (12AX7 SUB) BLACK-PLATES AMPLITREX TESTED 1960's
NOS RCA USA 5751 (12AX7 SUB) BLACK-PLATES AMPLITREX TESTED 1960's

$162.00

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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

$99.99

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

$99.99

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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

$35.00

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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

$99.99

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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

$12.00

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2 x 12au7 RCA Tubes*Black Plates -D*Very Strong Matched Pair* 1955-56*#4
2 x 12au7 RCA Tubes*Black Plates -D*Very Strong Matched Pair* 1955-56*#4

$49.99

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RCA NOS 12AU7 Black Plate D Getter Vacuum Tube Tested
RCA NOS 12AU7 Black Plate D Getter Vacuum Tube Tested

$25.00

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PAIR 1960 SYLVANIA USAF 5751 (12AX7) BLACK PLATE TRIPLE MICA TUBES
PAIR 1960 SYLVANIA USAF 5751 (12AX7) BLACK PLATE TRIPLE MICA TUBES

$300.00

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RCA? 12AX7 Tube, Black Plates, Slant D-Getter, + Box, TV-7 Test = 108% & 100%
RCA? 12AX7 Tube, Black Plates, Slant D-Getter, + Box, TV-7 Test = 108% & 100%

$42.00

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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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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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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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2 x 5814A (12AU7) RCA Tubes*Black Plates-O*Very Strong Matched Pair*Command*#5
2 x 5814A (12AU7) RCA Tubes*Black Plates-O*Very Strong Matched Pair*Command*#5

$78.99

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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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2 x 12au7 RCA Tubes*Black Plates -D*Very Strong Matched Pair* 1955-56*#5
2 x 12au7 RCA Tubes*Black Plates -D*Very Strong Matched Pair* 1955-56*#5

$49.99

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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

$163.00

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1950’s Black plate 12AU7 Westinghouse GE And Sylvania(?) Horseshoe Getter
1950’s Black plate 12AU7 Westinghouse GE And Sylvania(?) Horseshoe Getter

$35.00

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RCA 12AU7 ecc82 Long Black Plates Foil Strip Square Tube TV-7 Tested
RCA 12AU7 ecc82 Long Black Plates Foil Strip Square Tube TV-7 Tested

$26.58

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1957 RCA 5751 12AX7 BLACK PLATE D GETTER Tube BOGEN AMP No microphonics LOT A++
1957 RCA 5751 12AX7 BLACK PLATE D GETTER Tube BOGEN AMP No microphonics LOT A++

$76.74

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Vintage RCA 12AX7 Preamp Tube Long Black Plate ECC83 Valve #130
Vintage RCA 12AX7 Preamp Tube Long Black Plate ECC83 Valve #130

$90.78

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RCA 5814A BLACK PLATE Triple Mica Mil Spec Tubes Platinum Match on AT1000 12AU7
RCA 5814A BLACK PLATE Triple Mica Mil Spec Tubes Platinum Match on AT1000 12AU7

$168.66

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Strong RCA 12BY7A 8300gm Black Plate Copper Grid Halo Getter Serious Tubes S501
Strong RCA 12BY7A 8300gm Black Plate Copper Grid Halo Getter Serious Tubes S501

$7.00

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Pair Matching RCA 5963/ECC82/12AU7 Black Plate Tubes
Pair Matching RCA 5963/ECC82/12AU7 Black Plate Tubes

$49.99

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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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TESTED VINTAGE RCA 12AU7 TUBE LONG BLACK PLATE ANGLED D GETTER **FREE SHIPPING**
TESTED VINTAGE RCA 12AU7 TUBE LONG BLACK PLATE ANGLED D GETTER **FREE SHIPPING**

$27.95

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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

$1095.00

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2 x 5751 (12ax7) RCA Tubes*O-getter*Super Strong Matched Pair*Black Plates*#4
2 x 5751 (12ax7) RCA Tubes*O-getter*Super Strong Matched Pair*Black Plates*#4

$143.00

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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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RCA 12AX7 (ECC83/12AX7) LONG BLACK PLATE HORSESHOE/D GETTER TUBE USA TESTED
RCA 12AX7 (ECC83/12AX7) LONG BLACK PLATE HORSESHOE/D GETTER TUBE USA TESTED

$36.04

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

$97.90

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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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