u12 tube

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u12 tube Gecovalve black mesh rectifier British 4 volt 2.5 Ampere rgn2504 g2504
$349.00

u12 tube Gecovalve black mesh rectifier British 4 volt 2.5 Ampere rgn2504 g2504

u12 tube Gecovalve globe black mesh rectifier 4 volt 2.5 Ampere rgn2504 g2504
$599.00

u12 tube Gecovalve globe black mesh rectifier 4 volt 2.5 Ampere rgn2504 g2504

rgn2504 mesh WE56 Telefunken rgn4004 rgn2004 rgn1064 u12 tube az12 valve pair s
$1,750.00

rgn2504 mesh WE56 Telefunken rgn4004 rgn2004 rgn1064 u12 tube az12 valve pair s

U12 TUBE MARCONI MINT CONDITIONS GECOVALVE BLUE BULB NOS NIB VALVE GLOBE HANGING
$850.00

U12 TUBE MARCONI MINT CONDITIONS GECOVALVE BLUE BULB NOS NIB VALVE GLOBE HANGING

Used TV-7 tested 12AV6 tube
$7.50

Used TV-7 tested 12AV6 tube

Used TV-7 tested 12FR8 tube
$7.50

Used TV-7 tested 12FR8 tube

Used 12SN7 tube, tested good on TV-7
$6.50

Used 12SN7 tube, tested good on TV-7

V9 U12 UCossor 4V 4 Pins Welded Black Plate Cup Getter NOS Similar To GZ32 52KU
$508.65

V9 U12 UCossor 4V 4 Pins Welded Black Plate Cup Getter NOS Similar To GZ32 52KU

1 X 1LC6 GENERAL ELECTRIC TUBE. 1950s PROD. 3. CE583
$17.34

1 X 1LC6 GENERAL ELECTRIC TUBE. 1950s PROD. 3. CE583

we56 tube nos rectifier tube mesh plate + adapter g2504 5u4 for dac Lampizator
$1,250.00

we56 tube nos rectifier tube mesh plate + adapter g2504 5u4 for dac Lampizator

Osram U12 Mesh Plates Valve Tube (V46)
$196.12

Osram U12 Mesh Plates Valve Tube (V46)

Marconi U12 Mesh Plates Shouldered Valve Tube (V19) #1
$196.12

Marconi U12 Mesh Plates Shouldered Valve Tube (V19) #1

Osram MOV U12/4 U12 U14 Valve Tube Used Tested (V23)
$13.07

Osram MOV U12/4 U12 U14 Valve Tube Used Tested (V23)

OSRAM U12 Mesh Plate Cup Getter Valve Tube Used Tested (V53)
$196.12

OSRAM U12 Mesh Plate Cup Getter Valve Tube Used Tested (V53)

Marconi U12 Mesh Plates Shouldered Valve Tube (V19) #2
$196.12

Marconi U12 Mesh Plates Shouldered Valve Tube (V19) #2

U12 Osram Mesh Plate Shouldered New Old Stock Valve Tube OCT21
$196.12

U12 Osram Mesh Plate Shouldered New Old Stock Valve Tube OCT21

Marconi U12 Mesh Plates Valve Tube (V46)
$196.12

Marconi U12 Mesh Plates Valve Tube (V46)

Marconi U12 Mesh Plates Shouldered Valve Tube Used Tested (V29)
$196.12

Marconi U12 Mesh Plates Shouldered Valve Tube Used Tested (V29)

Vintage Marconi U12 vacuum radio valves/tubes
$247.11

Vintage Marconi U12 vacuum radio valves/tubes

Marconi U12/14 U12/U14 Valve Weld Black Plate Pan Getter - MHSV Tested
$65.37

Marconi U12/14 U12/U14 Valve Weld Black Plate Pan Getter - MHSV Tested

Box NOS Tungsram RV120/500 U12 Valve Weld Black Plate Sheet Rect Getter - MHSV
$98.06

Box NOS Tungsram RV120/500 U12 Valve Weld Black Plate Sheet Rect Getter - MHSV

Osram U12/14 U12 U14 Valve Weld Black Plate Crecent Getter - MHSV Tested (B2)
$45.76

Osram U12/14 U12 U14 Valve Weld Black Plate Crecent Getter - MHSV Tested (B2)

Marconi U12 Valve Weld Black Plate Pan Getter - MHSV Tested (B3)
$117.67

Marconi U12 Valve Weld Black Plate Pan Getter - MHSV Tested (B3)

ECC83/12AX7 NOS NIB MULLARD MATSUSHITA VACUUM TUBES MATCHING PAIR JAPAN
$199.99

ECC83/12AX7 NOS NIB MULLARD MATSUSHITA VACUUM TUBES MATCHING PAIR JAPAN

Matched Lot of (6) Conn/Sylvania 12AU7A/ECC82 Vacuum Tubes TEST STRONG!
$39.95

Matched Lot of (6) Conn/Sylvania 12AU7A/ECC82 Vacuum Tubes TEST STRONG!

RCA 12AU7 12au7a Musical Pair Cleartops Side Getters Hifi Audio Tubes
$50.00

RCA 12AU7 12au7a Musical Pair Cleartops Side Getters Hifi Audio Tubes

Pair (2) vintage 1960s Sylvania Baldwin 12AU7A vacuum tubes - TV-7 test as NOS
$20.95

Pair (2) vintage 1960s Sylvania Baldwin 12AU7A vacuum tubes - TV-7 test as NOS

MULLARD 12AU7 ECC82 TUBE PAIR (GB-made strong tested!) *****
$45.00

MULLARD 12AU7 ECC82 TUBE PAIR (GB-made strong tested!) *****

Lot of 10 VACUUM RADIO TUBES No. 5U8 6AC5 6AQ5 6CB6 6AU6 6BJ6 12AD6 280
$4.99

Lot of 10 VACUUM RADIO TUBES No. 5U8 6AC5 6AQ5 6CB6 6AU6 6BJ6 12AD6 280

2- Westinghouse 12AU7 VACUUM TUBES Circa 1968 - Strong Pair - Matched
$16.95

2- Westinghouse 12AU7 VACUUM TUBES Circa 1968 - Strong Pair - Matched

Vtg Lot of 70 Vacuum Tubes - NOS Used Untested 12AU6 6CL8 6U9 12BV7 5651 +
$26.95

Vtg Lot of 70 Vacuum Tubes - NOS Used Untested 12AU6 6CL8 6U9 12BV7 5651 +

RCA Radiotron Electron Tube 12AU7A Vintage Old Stock in Original Box
$14.95

RCA Radiotron Electron Tube 12AU7A Vintage Old Stock in Original Box

4- SYLVANIA USA BALDWIN BRANDED 12AU7 TUBES LONG PLATE AMPLITREX TESTD STRONG
$35.00

4- SYLVANIA USA BALDWIN BRANDED 12AU7 TUBES LONG PLATE AMPLITREX TESTD STRONG

1953 RCA 12AU7 PLATINUM GRADE Black Plate Preamp Tubes Matched Pair 90% NOS
$39.95

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

New Matched Pair (2) Psvane 12AU7-S ECC82 Gold Pins Art Series Vacuum Tubes
$95.07

New Matched Pair (2) Psvane 12AU7-S ECC82 Gold Pins Art Series Vacuum Tubes

NOS Matched Pair Marconi Holy Grails 5814A 12AU7WA Black Plate D Getter Tubes
$200.00

NOS Matched Pair Marconi Holy Grails 5814A 12AU7WA Black Plate D Getter Tubes

12AU7 BLACK PLATES Vacuum Tube TV-7D/U Tested STRONG Guaranteed Westinghouse
$17.85

12AU7 BLACK PLATES Vacuum Tube TV-7D/U Tested STRONG Guaranteed Westinghouse

Quad RCA 5963 Tubes 12AU7 ECC82, Black Plates, Balanced, Matched, Gm Tested
$16.90

Quad RCA 5963 Tubes 12AU7 ECC82, Black Plates, Balanced, Matched, Gm Tested

4x Westinghouse 12AU7/ECC82 Long Black Plate Tubes - Test Good - Matching Dates
$14.88

4x Westinghouse 12AU7/ECC82 Long Black Plate Tubes - Test Good - Matching Dates

PAIR Sylvania LONG BLACK PLATE 12AU7 ECC82 Square Getter Preamp Tubes -Test Good
$11.88

PAIR Sylvania LONG BLACK PLATE 12AU7 ECC82 Square Getter Preamp Tubes -Test Good

(2) RCA 12AU7A CLEAR TOP Audio TUBES PAIR - TEST 90% Plus Matched Amplitrex
$20.00

(2) RCA 12AU7A CLEAR TOP Audio TUBES PAIR - TEST 90% Plus Matched Amplitrex

(3) Date Matched 12AT7 Sylvania NOS Vacuum Tubes STRONG! (TESTED W/ TV-7D/U)
$39.99

(3) Date Matched 12AT7 Sylvania NOS Vacuum Tubes STRONG! (TESTED W/ TV-7D/U)

RCA,12AU7A ECC82,ELECTRONIC TUBE NOS
$10.00

RCA,12AU7A ECC82,ELECTRONIC TUBE NOS

National Electronics Tubes 12AU6 Pack of 5.
$23.99

National Electronics Tubes 12AU6 Pack of 5.

Vintage RCA 12AU7A PLATINUM GRADE Clear Top Preamp Tubes Matched Pair =6189 5814
$34.95

Vintage RCA 12AU7A PLATINUM GRADE Clear Top Preamp Tubes Matched Pair =6189 5814

ISM USA 12AU7A NOS NIB Long Grey Plates Copper Grid Halo Get Serious Tubes D35
$15.00

ISM USA 12AU7A NOS NIB Long Grey Plates Copper Grid Halo Get Serious Tubes D35

TELEFUNKEN 12AX7 ECC83 TUBEs , Match Pair Tested Strong , TV-7D/U TESTED
$100.00

TELEFUNKEN 12AX7 ECC83 TUBEs , Match Pair Tested Strong , TV-7D/U TESTED

New ListingUNKNOWN BRAND 12AX7 TUBE Made in U.S.A. (Tested Good)
$12.00

New ListingUNKNOWN BRAND 12AX7 TUBE Made in U.S.A. (Tested Good)

New ListingRCA 12AU7A TUBE PAIR (circa 60s, clear top, side getter) strong tested! *****
$25.00

New ListingRCA 12AU7A TUBE PAIR (circa 60s, clear top, side getter) strong tested! *****

Qty 1 TNTubes LED Night Light 12AU7A Style Vacuum Tube White Auto Light Sensing
$19.83

Qty 1 TNTubes LED Night Light 12AU7A Style Vacuum Tube White Auto Light Sensing

New Matched Quintet (5) Psvane 12AU7-S ECC82 Gold Pins Art Series Vacuum Tubes
$224.36

New Matched Quintet (5) Psvane 12AU7-S ECC82 Gold Pins Art Series Vacuum Tubes

Brand New Mullard Reissue 12AU7 ECC82 Gain Matched Pair (2) Vacuum Tubes
$64.78

Brand New Mullard Reissue 12AU7 ECC82 Gain Matched Pair (2) Vacuum Tubes

SYLVANIA 12AU7 /ecc82/ 6680 Tube Communications Quality (TESTED W/ TV-7D/U)
$35.00

SYLVANIA 12AU7 /ecc82/ 6680 Tube Communications Quality (TESTED W/ TV-7D/U)

1957 Pair RCA 12AU7A ECC82 Black Plate Vacuum Tubes - TV7 Tested
$39.00

1957 Pair RCA 12AU7A ECC82 Black Plate Vacuum Tubes - TV7 Tested

Mixed Lot of RCA+ Black Plate 12AU7 Receiver Preamp Vacuum Tubes Lot of 15 +
$25.99

Mixed Lot of RCA+ Black Plate 12AU7 Receiver Preamp Vacuum Tubes Lot of 15 +

1958 Sylvania 12AU7 PLATINUM PLUS GRADE Preamp Tubes Matched Pair 90% NOS ECC82
$44.95

1958 Sylvania 12AU7 PLATINUM PLUS GRADE Preamp Tubes Matched Pair 90% NOS ECC82

Matched Pair 1950s Sylvania/Philco/Lansdale 6189/12AU7WA(12AU7A ECC82 5814)Tubes
$63.50

Matched Pair 1950s Sylvania/Philco/Lansdale 6189/12AU7WA(12AU7A ECC82 5814)Tubes

MULLARD EICO CO-BRANDED 12AU7A ECC82 TUBE (strong tested GB-made)
$25.00

MULLARD EICO CO-BRANDED 12AU7A ECC82 TUBE (strong tested GB-made)

Sylvania 12AU7 ECC82 Tube Grey Short Plate D Getter Hickok Tested 88% NOS L
$9.50

Sylvania 12AU7 ECC82 Tube Grey Short Plate D Getter Hickok Tested 88% NOS L

Matched PAIR RCA 12AU7 Long Plates AUDIO Amplifier VACUUM TUBES Tested 5.7738
$29.95

Matched PAIR RCA 12AU7 Long Plates AUDIO Amplifier VACUUM TUBES Tested 5.7738

Pair GE 12AY7 Tubes, Short Gray Plates, O Getter, Tested Well
$24.00

Pair GE 12AY7 Tubes, Short Gray Plates, O Getter, Tested Well

NOS NIB Philips JAN 5814A Matched Pair Preamp Tubes Case Fresh =12AU7 ECC82 6189
$34.95

NOS NIB Philips JAN 5814A Matched Pair Preamp Tubes Case Fresh =12AU7 ECC82 6189

4 x 12au7a Sylvania/Baldwin Tubes*Grey-O*Super Strong Matched Quad*1961*#9
$68.99

4 x 12au7a Sylvania/Baldwin Tubes*Grey-O*Super Strong Matched Quad*1961*#9

Lot of (3) Tested RCA U.S.N. Jan CRC-12A6 VT-134 Beam Power Black Metal Tubes
$15.00

Lot of (3) Tested RCA U.S.N. Jan CRC-12A6 VT-134 Beam Power Black Metal Tubes

Matched Balanced Pair 1964 RCA 12AU7A Clear Top Test NOS Tubes - TV7 Tested
$36.00

Matched Balanced Pair 1964 RCA 12AU7A Clear Top Test NOS Tubes - TV7 Tested

1 x 12au7 G.E. Tube*Black Plates U-Getter*Very Strong Testing*1952*RARE*#4
$38.99

1 x 12au7 G.E. Tube*Black Plates U-Getter*Very Strong Testing*1952*RARE*#4

Matched Pair RCA Clear-Top 12AU7A (ECC82)Tubes- Hickok TV7 Tests @ 94/99, 94/102
$35.95

Matched Pair RCA Clear-Top 12AU7A (ECC82)Tubes- Hickok TV7 Tests @ 94/99, 94/102

New ListingMatching Pair Philips 5814A 12AU7 Grey Plate Vacuum Tubes Tested Strong Boxed
$34.95

New ListingMatching Pair Philips 5814A 12AU7 Grey Plate Vacuum Tubes Tested Strong Boxed

2 MULLARD ECC81 12AT7 TUBES - TV-7 TESTED - GREAT BRITAIN
$19.95

2 MULLARD ECC81 12AT7 TUBES - TV-7 TESTED - GREAT BRITAIN

1 x 12au7 G.E. Tube*Pewter Plates U-Getter*Very Strong Testing*RARE*#3
$48.99

1 x 12au7 G.E. Tube*Pewter Plates U-Getter*Very Strong Testing*RARE*#3

2 NOS Matched Telefunken 12AU7 Smooth Plate Tubes W. Germany 1962
$210.00

2 NOS Matched Telefunken 12AU7 Smooth Plate Tubes W. Germany 1962

New Listing3 x 12AU7 Sylvania/Baldwin Tubes*Long Grey-D*Very Strong Matched Trio*1959 #9
$59.99

New Listing3 x 12AU7 Sylvania/Baldwin Tubes*Long Grey-D*Very Strong Matched Trio*1959 #9

NOS NIB RCA 12AU7A ECC82 Clear Top Side D Getter Matching Pair Low Noise Tubes
$80.00

NOS NIB RCA 12AU7A ECC82 Clear Top Side D Getter Matching Pair Low Noise Tubes

New ListingRCA 5963 Vacuum Tube 12AU7 Black Plate SQ Getter tested 100%
$7.95

New ListingRCA 5963 Vacuum Tube 12AU7 Black Plate SQ Getter tested 100%

3 Sylvania 12AU7 Tubes Black Plates D Getter Tested Free Shipping
$22.91

3 Sylvania 12AU7 Tubes Black Plates D Getter Tested Free Shipping

Matched Balanced Pair RCA 6189 JRC 12AU7WA Black Plate Tubes Test NOS TV7 Tested
$37.00

Matched Balanced Pair RCA 6189 JRC 12AU7WA Black Plate Tubes Test NOS TV7 Tested

Closely Matched Pair 12AV7 CEI by GE NOS Vacuum Tubes, B&K 747B Tested
$17.95

Closely Matched Pair 12AV7 CEI by GE NOS Vacuum Tubes, B&K 747B Tested

2 12SN7GT STRONG Vacuum Tubes Emerson DELCO TV-7D/U Tube Tested Guaranteed 12SN7
$12.85

2 12SN7GT STRONG Vacuum Tubes Emerson DELCO TV-7D/U Tube Tested Guaranteed 12SN7

NOS NIB SYLVANIA 12AX7WA Matching Pair Low Noise Preamp Tubes
$90.00

NOS NIB SYLVANIA 12AX7WA Matching Pair Low Noise Preamp Tubes

Strong RCA 12AU7 Long Black Ladder Plates Slant Square Getter Serious Tubes D172
$20.00

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

New Matched Quad (4) Psvane 12AU7-S ECC82 Gold Pins Art Series Vacuum Tubes
$181.26

New Matched Quad (4) Psvane 12AU7-S ECC82 Gold Pins Art Series Vacuum Tubes

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u12 tube Information

u12 tube pictures, price, brand, reviews and u12 tube hot sales items, totally found 81 u12 tube related items prices, page updating time: 2025-08-12.