Untested, sold for parts or repair. Cover is in fair to good shape (see photo). Interior looks clean.
Item Tag: Preamp Tubes
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RCA 76 Tube Mixer Amp Chassis. (Pre Amp)
The RCA 76 Tube Mixer Amp Chassis is a vintage audio component from RCA, known for its quality and durability. This preamp chassis is designed to house a tube mixer amp, offering a classic and retro aesthetic for vintage audio enthusiasts. With the RCA brand reputation and focus on audio quality, this product is a great addition to any vintage audio setup looking to enhance sound performance.
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Pair (2) 1950’s CBS 12BH7 Preamp Tubes / One Strong One Weak
Here’s a 1950’s pair of CBS 12BH7 preamp tubes.
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4 Tung Sol Barber Colman 1960s 12AX7 TV7 Tested.. Excellent!
(TV7 minimum good test score is 32. TV7 Test score on each tube box. 4) 1960s Tung-sol 12ax7 tubes. Sale is for tubes pictured. All tubes passed preamp tests with no microphonics heard. See pics for Date codes.
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GE JAN 6829 Vacuum Tubes – Vintage Twin Triodes for Audio Amps & PreAmps
GE JAN 6829 Vacuum Tubes – Vintage Twin Triodes for Audio Amps & PreAmps. Thank you for looking Have a great day
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ECC83 ECC83M GUITAR PREAMP TUBES PAIR SQUARE GETTER STRONG BALANCED EXCELLENT
12AX7 / ECC83M / ECC83. Square Foil Getter. Strong & Balanced.
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Mullard 12AT7 ECC81 D Getter Matching Pair Preamp Tubes Strong
Early Mullard 12AT7 Pair with D Getters. We cannot be responsible for what tubes test in another tester.
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Marshall ECC83 12ax7 Gold Label Preamp Tubes NOS (2 available) FREE Returns!
TheMarshall ECC83 is the absolute classic among preamp tubes. The legendary ECC83 – also known as 12AX7- has always impressed with its double triode design and is responsible for the distortion character of the most famous recordings of rock.
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4 Sylvania 12SN7GT 3-hole bad-boy tubes TV7 & AT1000 test good used
4 Sylvania 12SN7GT 3-hole bad-boy tubes. on anAmplitrex AT1000 in fixed bias mode. AT1000 test results Good used testing and great sounding tubes. Tubes ran-in 5 min ea. before tests to ensure stability.