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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.
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).
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 12AU7 / ECC82 - Bugle Boy label with clef
Amperex 12AU7 / ECC82 - Bugle Boy label with clef
Price: $64.00
Amperex 12AU7 / ECC82 - Bugle Boy label with clef
This 1961 Amperex Bugle Boy 12AU7 / ECC82 tube was made in Holland (Heerlen factory code). It has gray plates and a large halo getter. The white label has the Bugle Boy logo with clef (see photo). Tube tests as new with balanced sections and low noise.
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 12AT7 / ECC81 - matched pair
Mullard 12AT7 / ECC81 - matched pair
Price: $104.00
Mullard 12AT7 / ECC81 - matched pair
The 1967 Mullard 12AT7 tubes in this precisely matched pair have gray plates and halo getters (VF3 series). They have the Amperex logo. The Blackburn, UK factory codes and matching date codes are etched in the glass. Both tubes test as new.
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.
Sylvania 6SN7GT -
Sylvania 6SN7GT - "Bad Boy"
Price: $109.00
Sylvania 6SN7GT - "Bad Boy"
This Sylvania 6SN7GT tube is from the 1949-1953 "Bad Boy" era of Sylvania 6SN7 production. The early black plates have 3 rivets with copper grid posts. The green print on the base has the Sylvania lightning logo. Tube tests as new with low noise.
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.
Tung-Sol 6SL7WGT - black plates, triple mica
Tung-Sol 6SL7WGT - black plates, triple mica
Price: $54.00
Tung-Sol 6SL7WGT - black plates, triple mica
This rare 1956 Tung-Sol 6SL7GT tube has black plates, a D getter, and a triple mica. The brown base has white print with the Tung-Sol logo. Tube tests as new with low noise.
RCA 7868 - black plates, matched pair
RCA 7868 - black plates, matched pair
Price: $129.00
RCA 7868 - black plates, matched pair
The early 1960s RCA 7868 tubes in this precisely matched pair have black plates and top and side halo getters. The red label reads "Wurlitzer by RCA." Both tubes test as new and are matched for current draw (51.6 & 53.2 mA) and Gm (100% & 100%).
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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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