MATCHED Pair NOS SYLVANIA 12AX7 Long Black Plates Bent D Getters 1953
Price: USD 180.00
Condition: Open box
Location: 384**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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2 SYLVANIA 12AX7 VACUUM TUBES 1
Price: USD 50.00
Condition: Used
Location: 622**
Shipping Type: CALCULATED
Shipping Cost: USD
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2 SYLVANIA 12AX7 VACUUM TUBES 2
Price: USD 50.00
Condition: Used
Location: 622**
Shipping Type: CALCULATED
Shipping Cost: USD
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2 SYLVANIA 12AX7 VACUUM TUBES 3
Price: USD 50.00
Condition: Used
Location: 622**
Shipping Type: CALCULATED
Shipping Cost: USD
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1960s Sylvania/Baldwin 12ax7 TV7test NOS, VG and better matched, not microphonic
Price: USD 25.00
Condition: Used
Location: 852**
Shipping Type: FIXED
Shipping Cost: USD 5.00
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Matched Pair SYLVANIA 12AX7A Electronic Tubes Brand New Tested
Price: USD 86.09
Condition: New
Location: V3C***
Shipping Type: CALCULATED
Shipping Cost: USD 5.72
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1955 Sylvania 12AX7 (ECC83) Tube-17mm Long Black Plates; Tests @ 40/43, min:32
Price: USD 37.50
Condition: Used
Location: 113**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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SYLVANIA 12AX7 O GETTER MAXI PREAMP TESTED
Price: USD 25.00
Condition: Open box
Location: 726**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Pair (2) vintage 1960s Sylvania Baldwin 12AX7 vacuum tubes - TV-7 test as NOS
Price: USD 47.95
Condition: Used
Location: 152**
Shipping Type: FIXED
Shipping Cost: USD 4.95
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1950s Sylvania 12AX7 (ECC83) Tube-17mm Long Black Plates; Tests @ 43/46, min:32
Price: USD 41.95
Condition: Used
Location: 113**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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JAN-12AX7WA/ECC83 Sylvania NOS/NIB
Price: USD 45.50
Condition: New
Location: 206**
Shipping Type: FIXED
Shipping Cost: USD 9.00
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Sylvania 12AX7 Long Black Plate Vacuum Tube Square Getter TV7 Strong
Price: USD 45.00
Condition: Used
Location: 554**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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SYLVANIA 12AX7 ECC83 SHORT PLATE SQUARE GETTER PERFECT BALANCE VINTAGE 1956
Price: USD 29.95
Condition: Used
Location: 312**
Shipping Type: FIXED
Shipping Cost: USD 6.95
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SYLVANIA 7025 12AX7 TIGHT MATCH PAIR LNG PLATE TEST NOS+ VINTAGE 1970's
Price: USD 89.95
Condition: Used
Location: 312**
Shipping Type: FIXED
Shipping Cost: USD 6.95
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JAN-12AX7WA/ECC83 Sylvania NOS/NIB MaxiPreamp2/TV-7 tested READ DESCRIPTION
Price: USD 59.99
Condition: New
Location: 527**
Shipping Type: CALCULATED
Shipping Cost: USD
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Strong Pair (2) 1959 Sylvania 12AX7 ECC83 7025 Long Plate Halo Preamp Tubes
Price: USD 85.00
Condition: Used
Location: 806**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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1pc Sylvania 12AX7A ECC83 7025 Tested VACUUM TUBE Strong O Getter Long Plate
Price: USD 38.45
Condition: Used
Location: 841**
Shipping Type: CALCULATED
Shipping Cost: USD 6.95
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SYLVANIA JAN 12AX7 WA LONG PLATE PERFECT BAL NOS+ VINTAGE 1987. (A)
Price: USD 41.00
Condition: New
Location: 598**
Shipping Type: FIXED
Shipping Cost: USD 4.60
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1952 Sylvania JHS-12AX7 (ECC83)Tube-17mm Long Black Plates;Tests @ 47/46,min:32
Price: USD 45.95
Condition: Used
Location: 113**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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12AX7A ECC83 7025 Sylvania Audio Receiver Pre-Amp Vacuum Tubes Tested Pair
Price: USD 38.99
Condition: Used
Location: 020**
Shipping Type: CALCULATED
Shipping Cost: USD 7.75
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1 x 12AX7A SylvaniaTube*NOS-NIB*Very Strong Testing#9
Price: USD 43.99
Condition: Used
Location: 077**
Shipping Type: FIXED
Shipping Cost: USD 8.00
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Sylvania (Leslie) * 12AX7A Tube * Tested 95/95
Price: USD 19.99
Condition: Used
Location: 175**
Shipping Type: FIXED
Shipping Cost: USD 5.00
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2 SYLVANIA 12AX7 VACUUM TUBES 7
Price: USD 50.00
Condition: Used
Location: 622**
Shipping Type: CALCULATED
Shipping Cost: USD
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4 Strong Testing Vintage 1960's Sylvania Made 12AX7/A/7025/ECC83 Vacuum Tubes
Price: USD 140.00
Condition: Open box
Location: 995**
Shipping Type: CALCULATED
Shipping Cost: USD
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SYLVANIA ECG PHILIPS JAN 12AX7 WA LONG PLATE TEST STRONG NOS+ VINTAGE 1985
Price: USD 49.95
Condition: New
Location: 380**
Shipping Type: CALCULATED
Shipping Cost: USD
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NOS NIB JHS 12AX7A/ECC83 SYLVANIA LONG PLATE MATCHED PAIR
Price: USD 79.00
Condition: Open box
Location: 913**
Shipping Type: CALCULATED
Shipping Cost: USD
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Strong Baldwin by SYLVANIA Long Gray Plate O Getter 12AX7 / ECC83 Tube
Price: USD 20.99
Condition: Used
Location: 497**
Shipping Type: FIXED
Shipping Cost: USD 4.99
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SYLVANIA 12AX7 GRAY PLATES MATCHED TRIODES MAXI PREAMP TESTED HIGH GM
Price: USD 34.95
Condition: Open box
Location: 726**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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(2) Sylvania 12AX7/ECC83/7025 Tubes Strong & Date Matched! (TESTED W/ TV-7D/U)
Price: USD 99.99
Condition: New
Location: 208**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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(4) Sylvania 12AX7/ECC83/7025 Tubes Strong & Date Matched! (TESTED W/ TV-7D/U)
Price: USD 199.99
Condition: New
Location: 208**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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SYLVANIA 12AX7 ECC83 TIGHT MATCH PAIR LNG PLATE TEST NOS+ VINTAGE 1960's
Price: USD 89.95
Condition: Used
Location: 312**
Shipping Type: FIXED
Shipping Cost: USD 6.95
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Sylvania 12AX7 - Amplitrex Tested - Matched and Strong
Price: USD 49.00
Condition: Used
Location: 305**
Shipping Type: FIXED
Shipping Cost: USD 7.00
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SYLVANIA 7025 Preamp Tubes Pair 12AX7 ECC83
Price: USD 60.00
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 4.95
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Sylvania 12AX7 Grey Short Plate Square Getter Hickok Tested Amp Preamp Tube &
Price: USD 29.99
Condition: Open box
Location: 483**
Shipping Type: FIXED
Shipping Cost: USD 5.99
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NOS NIB SYLVANIA 12AX7WA Matching Pair Low Noise Preamp Tubes
Price: USD 90.00
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 4.95
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SYLVANIA 12AX7 TUBE (strong tested!)
Price: USD 25.00
Condition: Used
Location: 951**
Shipping Type: FIXED
Shipping Cost: USD 5.00
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Sylvania JHS 12AX7 Gray Plate O Getter Vacuum Tube Tested Strong
Price: USD 24.95
Condition: Used
Location: 923**
Shipping Type: FIXED
Shipping Cost: USD 5.50
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±1960 Sylvania 12AX7 (ECC83) Tube - Black Ridge Plates; Tests @ 73/74, min:32
Price: USD 36.95
Condition: Used
Location: 113**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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MATCHED PAIR SYLVANIA 12AX7 Audio Amplifier VACUUM TUBES USA Tested 10.7143-D
Price: USD 89.95
Condition: Unspecified
Location: 485**
Shipping Type: FIXED
Shipping Cost: USD 7.00
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Sylvania 12AX7 Preamp Vacuum Tube Military Grade 12AX7 Tested (T24)
Price: USD 40.00
Condition: Used
Location: 100**
Shipping Type: FIXED
Shipping Cost: USD 4.00
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SYLVANIA 12AX7 TUBE TESTS OVER 100% This tube is very Loud
Price: USD 29.50
Condition: Used
Location: 164**
Shipping Type: FIXED
Shipping Cost: USD 4.60
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1953 Sylvania 12AX7 (ECC83) Tube-17mm Long Black Plates; Tests @ 47/43, min:32
Price: USD 42.95
Condition: Used
Location: 113**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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3x Sylvania 12AU7 Tubes Long Black Plate - TV7 Tested
Price: USD 30.00
Condition: Open box
Location: 226**
Shipping Type: CALCULATED
Shipping Cost: USD
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Sylvania / RCA ECC83 / 12AX7 Vacuum tubes.....two......Long Black Plate
Price: USD 74.95
Condition: Open box
Location: 440**
Shipping Type:
Shipping Cost: USD
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2 Sylvania 12AX7 - USA - Preamp Vacuum Tubes - Tested - FREE Shipping!
Price: USD 60.00
Condition: Unspecified
Location: 972**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Vintage Sylvania 12AX7A 7025 Preamp Tube 12AX7 ECC83 Valve #160
Price: USD 39.78
Condition: Used
Location: 600**
Shipping Type: CALCULATED
Shipping Cost: USD
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Pair of Sylvania 7025 12AX7 Long Plate Vacuum Tubes
Price: USD 85.00
Condition: Used
Location: 975**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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Matched Pair 5963 (12AU7/ECC82) Sylvania NOS Matching Date Codes Tubes Tested
Price: USD 20.99
Condition: Used
Location: 666**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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1958 Sylvania 12AU7 PLATINUM PLUS GRADE Preamp Tubes Matched Pair 90% NOS ECC82
Price: USD 44.95
Condition: Used
Location: 130**
Shipping Type: FIXED
Shipping Cost: USD 5.95
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SYLVANIA 12AX7 Grey Plates O-Getter Made in USA 1960's Vacuum Tube Tested (T21)
Price: USD 24.56
Condition: Used
Location: 107**
Shipping Type: FIXED
Shipping Cost: USD 4.00
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1952 Sylvania JHS-12AX7 (ECC83)Tube- 17mm Long Black Plates;Tests @ 44/46,min:32
Price: USD 44.95
Condition: Used
Location: 113**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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1966 Sylvania 12AX7 Halo getter *Amplitrex Tested Strong* Baldwin Labeled ECC83
Price: USD 30.00
Condition: Used
Location: 597**
Shipping Type: CALCULATED
Shipping Cost: USD
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JAN-12AX7WA/ECC83 Sylvania NOS/NIB MaxiPreamp2/TV-7 tested READ DESCRIPTION
Price: USD 55.00
Condition: New
Location: 527**
Shipping Type: CALCULATED
Shipping Cost: USD
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SYLVANIA 12AX7A Matching Pair Preamp tubes
Price: USD 60.00
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 4.95
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2 x 12AX7/WA Sylvania Tubes*Long Plates-O* Strong Pair*1960's* #8
Price: USD 49.99
Condition: Used
Location: 077**
Shipping Type: FIXED
Shipping Cost: USD 7.75
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1pc Sylvania 12AX7 ECC83 Tested VACUUM TUBE Strong D Getter Short Plate
Price: USD 26.45
Condition: Used
Location: 841**
Shipping Type: CALCULATED
Shipping Cost: USD 6.95
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Sylvania 12AX7A Electron Tube Tested Works 21-124L
Price: USD 39.95
Condition: Used
Location: 685**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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12AX7A ECC83 7025 Sylvania Zenith Audio Receiver Guitar Power Vacuum Tubes Test
Price: USD 35.99
Condition: Used
Location: 020**
Shipping Type: CALCULATED
Shipping Cost: USD 7.75
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2x Sylvania 12AX7A ECC83 Balanced Long Plate Vacuum Tubes - TV7 Tested
Price: USD 32.00
Condition: Used
Location: 226**
Shipping Type: CALCULATED
Shipping Cost: USD
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Sylvania? 12AX7A 12AX7 Vacuum Tube Made In USA Tested Gray Plates Square Getter
Price: USD 33.30
Condition: Used
Location: 454**
Shipping Type: FIXED
Shipping Cost: USD 4.50
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12AX7 Sylvania Audio Receiver Pre-Amp Vacuum Tubes Tested Pair
Price: USD 35.99
Condition: Used
Location: 020**
Shipping Type: CALCULATED
Shipping Cost: USD 7.75
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12AX7 ECC83 Sylvania for Fender Receiver Guitar Preamplifier Vacuum Tubes Tested
Price: USD 36.99
Condition: Used
Location: 020**
Shipping Type: CALCULATED
Shipping Cost: USD 7.75
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Sylvania 7025 12AX7A Test NOS/Near Long Pinched Grey Copper Gr Serious Tube T870
Price: USD 50.00
Condition: Used
Location: 074**
Shipping Type: CALCULATED
Shipping Cost: USD
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Electron Tube Sylvania 12AX7
Price: USD 21.50
Condition: Open box
Location: 999**
Shipping Type: CALCULATED
Shipping Cost: USD
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Strong Matched Pair of Vintage 1960s Sylvania ECC83 12AX7 Tubes Made in USA
Price: USD 69.99
Condition: Used
Location: 080**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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VINTAGE PAIR SYLVANIA ECC83 12AX7A 7025 AMP TUBES
Price: USD 50.00
Condition: Used
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 8.00
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Strong SYLVANIA Long Gray Plate O Getter 12AX7A / 7025 / ECC83 Tube - 96/106
Price: USD 34.99
Condition: Used
Location: 497**
Shipping Type: FIXED
Shipping Cost: USD 4.99
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SYLVANIA 7025 12AX7A PLATINUM LOW-NOISE TUBE with AMPLITREX BEST TEST RESULTS
Price: USD 84.99
Condition: New
Location: 342**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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4 x NOS Sylvania 12BY7A 12BV7 2x Matched Pairs Tubes - Tested
Price: USD 30.00
Condition: Used
Location: 226**
Shipping Type: CALCULATED
Shipping Cost: USD
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Sylvania 12AX7A Tall Plate ECC83 Vintage Radio Amp Preamp Tube
Price: USD 15.95
Condition: Used
Location: 424**
Shipping Type: FIXED
Shipping Cost: USD 5.85
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NOS NIB SYLVANIA 12AX7 Low Noise Preamp Tube
Price: USD 40.00
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 4.95
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2 x 5751 (12ax7) Sylvania Tubes*D-getter*Lower Testing*Black Plates-D*3-Mica*
Price: USD 49.99
Condition: Used
Location: 077**
Shipping Type: FIXED
Shipping Cost: USD 7.75
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12AX7A/ECC83/7025 Sylvania NOS/NIB MaxiPreamp2/TV-7 tested READ Description
Price: USD 59.99
Condition: New
Location: 527**
Shipping Type: CALCULATED
Shipping Cost: USD
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2 Strong Matched SYLVANIA Long Gray Plate O Getter 12AX7A / ECC83 / 7025 Tubes
Price: USD 83.99
Condition: Used
Location: 497**
Shipping Type: FIXED
Shipping Cost: USD 5.99
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12AX7 ECC83 Sylvania #9 Long 17mm Grey Plate O (Halo) Getter Tested Vacuum Tube
Price: USD 28.45
Condition: Used
Location: 841**
Shipping Type: CALCULATED
Shipping Cost: USD 9.95
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Sylvania 12AX7 Clear Top Black Plate Vacuum Tube Square Getter TV7 Strong
Price: USD 45.00
Condition: Used
Location: 554**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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STRONG 1949 Sylvania 12AX7 Vacuum Tube Long Black Plate Rare ECC83 Equivalent
Price: USD 149.99
Condition: Used
Location: 809**
Shipping Type: CALCULATED
Shipping Cost: USD
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2 Strong Matched HAMMOND by GE Short Gray Plate O Getter 12AU7A / ECC82 Tubes
Price: USD 12.59
Condition: Used
Location: 497**
Shipping Type: FIXED
Shipping Cost: USD 5.99
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Strong SYLVANIA 12AX7 Grey Plate Halo Getter TUBE
Price: USD 29.50
Condition: Used
Location: 164**
Shipping Type: FIXED
Shipping Cost: USD 4.60
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Strong SYLVANIA Long Gray Plate O Getter 12AX7A / ECC83 Tube - 98/94
Price: USD 20.99
Condition: Used
Location: 497**
Shipping Type: FIXED
Shipping Cost: USD 5.99
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1958 Sylvania Browning 12AX7 Test NOS Long Grey Plts Copper Gr Serious Tube T835
Price: USD 35.00
Condition: Used
Location: 074**
Shipping Type: CALCULATED
Shipping Cost: USD
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NOS NIB Sylvania 7058 12AX7 Preamp Tube TV7U Tested NOS
Price: USD 35.00
Condition: Used
Location: 554**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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Sylvania 12AD7 Low Noise 12AX7 Vacuum Tube Tested Good Smooth Black Plate
Price: USD 69.95
Condition: Used
Location: 463**
Shipping Type: CALCULATED
Shipping Cost: USD
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Sylvania 6681 12AX7 Vacuum Tube TV7 Tested Strong
Price: USD 20.00
Condition: Used
Location: 554**
Shipping Type: FIXED
Shipping Cost: USD 6.00
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2 x 12AX7 Sylvania Tubes*Long plates-O* Strong Pair*1960's*#14
Price: USD 53.99
Condition: Used
Location: 077**
Shipping Type: FIXED
Shipping Cost: USD 8.00
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SYLVANIA 12AX7 TUBE GREY PLATE B&K 707 TESTED
Price: USD 29.99
Condition: Used
Location: 151**
Shipping Type: CALCULATED
Shipping Cost: USD
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Vintage Tube Jan 12ax7wa Sylvania 1974
Price: USD 35.87
Condition: Used
Location: G0L***
Shipping Type: FIXED
Shipping Cost: USD 17.94
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RARE Matched Pair NOS/NIB Sylvania 12au7/ECC82 Black plates tubes []-getter
Price: USD 79.99
Condition: New
Location: 326**
Shipping Type: CALCULATED
Shipping Cost: USD
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VINTAGE PAIR SYLVANIA ECC83 12AX7 AMP TUBES
Price: USD 50.00
Condition: Used
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 8.00
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Sylvania 12BY7A Test NOS 9750gm FOR PEKOKIKO Black Plate Serious Tubes S274
Price: USD 9.00
Condition: Used
Location: 074**
Shipping Type: CALCULATED
Shipping Cost: USD
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sylvania jan 5751 tube made in usa 12ax7
Price: USD 49.50
Condition: Used
Location: 853**
Shipping Type: FIXED
Shipping Cost: USD 5.00
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2 Sylvania JAN 5814A Tubes Halo Getter 12AU7 Tested
Price: USD 14.27
Condition: Used
Location: 926**
Shipping Type: CALCULATED
Shipping Cost: USD 6.00
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A VINTAGE SYLVANIA 12AX7A/7025/ ECC83 NOS VACUUM TUBE
Price: USD 100.00
Condition: New
Location: 388**
Shipping Type: FIXED
Shipping Cost: USD 12.95
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lot of 20 SYLVANIA TUBE BOX CARTON BOX FOR 12AX7 12AU7 12AT7 12BH7 6X4 6FQ7
Price: USD 13.98
Condition: Used
Location: ******
Shipping Type: FIXED
Shipping Cost: USD 9.00
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1961 NOS NIB SYLVANIA 7025 (12AX7A) MILITARY LOW-NOISE TUBE SYMMETRIC 1700/1700
Price: USD 112.00
Condition: New
Location: 342**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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12AX7 Sylvania NOS/NIB Full "D" getter MaxiPreamp2/TV-7 tested
Price: USD 55.00
Condition: New
Location: 527**
Shipping Type: CALCULATED
Shipping Cost: USD
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Pair Of Sylvania 12AX7 Used But Tested Matched Outputs Per Pair.
Price: USD 55.00
Condition: Unspecified
Location: 010**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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12AX7 SYLVANIA/Baldwin NOS Guitar Bass Players - Tubes Same Codes! Tested Strong
Price: USD 48.82
Condition: Used
Location:
Shipping Type: FIXED
Shipping Cost: USD 20.58
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Matched PAIR SYLVANIA 12AX7A ECC83 AUDIO VACUUM TUBES TESTED D.10130.C
Price: USD 109.95
Condition: Unspecified
Location: 485**
Shipping Type: FIXED
Shipping Cost: USD 7.00
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2 NOS *PAIR 12AD7 SYLVANIA BLACK PLATES TUBES SQUARE GETTERS PREMIUM 12AX7 ECC83
Price: USD 250.00
Condition: Open box
Location: 925**
Shipping Type: FIXED
Shipping Cost: USD 0.00
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