17 eBay US offers for 12AX7 preamplifier tube vacuum tubes

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3 Pack JJ Tesla 12AX7 Vacuum Tube MATCHED TRIO Guitar Amplifier ECC83 Preamp

$79.95

New

Genalex Gold Lion B749 / 12AU7 / ECC82 Vintage Preamp Tube Tested England

$75

Free shipping

Open box

(3) JRC-12AX7 Tall Blk Plate RCA Top D Getters! 1955 Test GOOD! Hi Fi Audio!

$134.99

Used

NEW JJ Tesla 12AX7 ECC83S Preamp Tube Guitar Amp Amplifiier

$32.99

Free shipping

New

Sylvania JHS-12AX7 Twin Triode NOS 1955 & (1) used JHS-12AX7 Test Great! Audio!

$119.99

Open box

Electro-Harmonix 12AX7EH Worldwide Shipping

$22

$8.00 shipping

New

(9) RCA 12AU7 Twin Triodes Blk Plates! Top "D" Getters 4-Slanted 5-Flat Tested!

$149.99

Used

(5) SYLVANIA JAN-12AX7WA Twin Triode TestGOOD! (1972codes) HaloGetter CopperRods

$149.99

Used

(2) TELEFUNKEN 12AX7/ECC83 Twin Triode Test Robust! (1960's) Smooth Plate! Hi Fi

$154.99

Used

Electro-Harmonix 12AX7EH Preamp Tube

$24.95

$5.99 shipping

New

(100) PREAMP TUBE BOXES * 12AX7 * 5751 * 12AT7

$37.95

$8.95 shipping

New

TELEFUNKEN Elektroakustik ECC83-TK Pre Amp Vacuum Tubes

$75.95

Free shipping

New

USA Seller -- Psvane ECC83 / 12AX7 Preamp Tube - Ships Free!

$24.95

Free shipping

New

4 Pack No Brand 12AX7-A/ECC83 High Gain Preamp Tubes.

$55.25

Used

Peavey Super 7 preamp 12AX7 type tube used

$20

Used

(7) SYLVANIA JHS-12AX7 Twin Triodes Tested GOOD! (1965 codes) HaloGetters! Audio

$169.99

Used

NEW - JJ/Tesla ECC803-S premium 12AX7 ECC83 preamp tube

$29.59

Free shipping

New