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Denon AH-2000 Headphones with Pelican Case - 25 Ω
Denon AH-2000 Headphones with Pelican Case - 25 Ω
Price: $374.00
Denon AH-2000 Headphones with Pelican Case - 25 Ω
Denon's AH-D2000 high-performance headphones are powered by a 50-mm driver and have a frequency response range from 5 to 45000 Hz with an impedance level of 25 Ohms and 106 dB sensitivity. These lightly used headphones are in excellent condition.
Ei KT90 - Type II, precision matched octet
Ei KT90 - Type II, precision matched octet
Price: $944.00
Ei KT90 - Type II, precision matched octet
The early 1990s Type II Ei KT90 power tubes in this precisely matched octet were made in the former Yugoslavia. They have welded gray plates and dual O getters. Tubes test as new and are matched for both current draw (mA) and transconductance (Gm).
GE 6L6GC - premium matched quad
GE 6L6GC - premium matched quad
Price: $252.00
GE 6L6GC - premium matched quad
The GE 6L6GC power tubes in this premium matched quad have gray plates, dual side getters, black bases, and the 188-5 factory code (Owensboro, Ky). Tubes test as new and are precisely matched for both current draw (mA) and transconductance (Gm).
McIntosh MR-80 digital FM tuner
Price: $1,899.00
McIntosh MR-80 digital FM tuner
This solid state McIntosh MR-80 digital FM tuner has very sensitive reception and features a wood cabinet. It has recently been aligned by Mark Wilson of Absolute Sound. Click "more info" for details.
Sylvania 6550 - matched quad
Sylvania 6550 - matched quad
Price: $434.00
Sylvania 6550 - matched quad
The late 1970s Sylvania 6550 power tubes in this premium matched quad have welded gray plates, 3 getters, and metal collar bases. The blune print on the glass has the Philips ECG logo and matching date codes. Tubes test as new and are precisely matched.
James Transformers JS-6123HS - factory matched pairs
James Audio JS-6123HS Output Transformers - factory matched pair
Price: $259.00
James Audio JS-6123HS Output Transformers - factory matched pair
This factory matched pair of 90mA, 20W James Audio JS-6123HS power output transformers is recommended for single-ended tube amplifiers that use 300B and 2A3 tube types.
Amperex GZ34 / 5AR4 - Bugle Boy label, f31 series
Amperex GZ34 / 5AR4 - Bugle Boy label, f31 series
Price: $219.00
Amperex GZ34 / 5AR4 - Bugle Boy label, f31 series
This rare 1958 Amperex GZ34 / 5AR4 rectifier tube has dual D getters and smooth gray plates (f31 series). It has the Bugle Boy label and the Sittard factory code is etched in the glass. Tube tests as new.
Brimar 12AT7WA / CV4024 - military spec
Brimar 12AT7WA / CV4024 - military spec
Price: From $39.00 to $44.00
Brimar 12AT7WA / CV4024 - military spec
This 1966 Brimar CV4024 / 12AT7WA tube has black wing style plates with copper posts and a halo getter. The white label has the Brimar logo and BVA military insignia, and says "Made in England." Tests as new with very low noise.
GE 12AY7 - early gray plates, windmill getter
GE 12AY7 - early gray plates, windmill getter
Price: $49.00
GE 12AY7 - early gray plates, windmill getter
This 1950s GE 12AY7 tube has a windmill getter and gray plates shaped like the early Ken-Rad 12AY7s. The tubes in this lot also have a yellow stamp indicating they were selected for Lear Electronics. Tube tests as new with balanced sections.
Mullard 12AU7 / ECC82 - long plates, dual post getter
Mullard 12AU7 / ECC82 - long plates, dual post halo getter
Price: $92.00
Mullard 12AU7 / ECC82 - long plates, dual post halo getter
This rare 1958 Mullard 12AU7 / ECC82 has long plates and an O getter with dual support posts (k61 series). The white label reads "Heath by Mullard" and the Blackburn, UK factory code is etched in the glass. Tube tests as new with very low noise.
Mullard EF86 / 6267 - mesh plate, early D getter
Mullard EF86 / 6267 - mesh plate, early D getter
Price: $94.00
Mullard EF86 / 6267 - mesh plate, early D getter
This 1958 Mullard EF86 / 6267 tube has mesh plates and a D getter. The white label has the Mullard shield logo and "Made in Gt. Britain" is printed along the bottom. The Blackburn, UK factory code is etched in the glass. Tube tests as new.
Philips Miniwatt 12AX7 / ECC83 - halo getter, matched pair
Philips Miniwatt 12AX7 / ECC83 - matched pair, phono grade
Price: $224.00
Philips Miniwatt 12AX7 / ECC83 - matched pair,  phono grade
The 1963-64 Philips Miniwatt 12AX7 / ECC83 tubes in this precisely matched pair were made in Heerlen, Holland and have the Miniwatt label. Both tubes test as new with balanced sections and phono/V1 grade noise levels.
RCA 12AU7 - black plates, matched pair
RCA 12AU7 / 12AU7A - black plates, matched pair
Price: $129.00
RCA 12AU7 / 12AU7A - black plates, matched pair
The early 1950s RCA 12AU7 tubes in this precisely matched pair have long black plates and D getters. The white labels on the glass have the RCA logo. Both tubes test as new with balanced sections.
Telefunken 12AX7 / ECC83 - smooth plates, Fisher label, matched pair
Telefunken 12AX7 / ECC83 - smooth plates, Fisher label, matched pair
Price: $244.00
Telefunken 12AX7 / ECC83 - smooth plates, Fisher label, matched pair
The 1960s Telefunken 12AX7 / ECC83 tubes in this precisely matched pair have smooth plates and the diamond imprint in the base. The white labels have the Fisher logo. Both tubes test as new with balanced sections and phono grade noise levels.
Westinghouse 12AU7 - black plates, matched pair
Westinghouse 12AU7 / 12AU7A - black plates, matched pair
Price: $84.00
Westinghouse 12AU7 / 12AU7A - black plates, matched pair
The 1960 Westinghouse 12AU7 tubes in this precisely matched pair have long black plates and D getters with copper posts. They have the yellow Conn organ labels. Both tubes test as new with balanced sections. They are matched for current draw (mA) and Gm.
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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.

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