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Atma-Sphere M-60 MKII - OTL monoblock amplifiers
Atma-Sphere M-60 Mk.III monoblock amplifiers
Price: $3,800.00
Atma-Sphere M-60 Mk.III monoblock amplifiers
This pair of rare Reseda Green Atma-Sphere M-60 Mk.III monoblock amplifiers has been freshly serviced & upgraded to a Mk.III+ specification by Bill Layer, former Atma-Sphere Quality Control technician. A set of Speltz ZERO™ Autoformers is also included.
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).
Odeon La Traviata horn-loaded full range speakers
Odeon La Traviata horn-loaded full range speakers
Price: $4,200.00
Odeon La Traviata horn-loaded full range speakers
These full-range, horn-loaded Odeon La Traviata speakers have 1" titanium compression tweeters and 8" woofers with back-loaded horn construction. At 96 db efficiency, they are a great choice for low wattage tube amplifiers. Gorgeous burled walnut finish.
Amperex EL34 / 6CA7 - brown base, matched pair
Amperex EL34 / 6CA7 - brown base, matched pair 1
Price: $319.00
Amperex EL34 / 6CA7 - brown base, matched pair 1
The 1959 Amperex EL34 / 6CA7 power tubes in this precisely matched pair have dual D getters and brown bases (Xf4 series). The white labels on the base have the GE logo, Both tubes test as new and and are matched for current draw (mA) and Gm.
Tung-Sol 6550 - matched pair
Tung-Sol 6550 - matched pair
Price: $389.00
Tung-Sol 6550 - matched pair
The 1960 Tung-Sol 6550 power tubes in this precisely matched pair have welded gray plates with no holes, 3 getters, metal collar bases, and the distinctive coke bottle shape. The white print on the base has the Tung-Sol logo. Click "more info" for details
RCA 5692 - red base
RCA 5692 - red base
Price: $104.00
RCA 5692 - red base
This 1962-63 RCA 5692 is an industrial grade 6SN7 tube type--and an audiophile favorite. It has a short bottle, red base, and dual top getters. The triple mica and 11 support rods give it long life and low noise. Tube tests as new with balanced sections.
Ei 6DJ8 / ECC88 - A-frame
Ei 6DJ8 / ECC88 - A-frame
Price: From $22.00 to $37.00
Ei 6DJ8 / ECC88 - A-frame
This Ei 6DJ8 / ECC88 tube was made in pre-war Yugoslavia. It has a dimpled disc getter with A-frame support and silver risers. Click "more info" for current availability.
GE 6FQ7 / 6CG7 - gray plates, matched quad
GE 6FQ7 / 6CG7 - gray plates, matched quad
Price: $144.00
GE 6FQ7 / 6CG7 - gray plates, matched quad
The 1970s GE 6FQ7 / 6CG7 tubes in this precisely matched quad have halo getters and gray plates with copper grid posts and reflective shields. The white labels have the GE logo. All 4 tubes test as new and are matched for both mA and Gm.
Mullard EZ81 / 6CA4 - Bugle Boy label
Mullard EZ81 / 6CA4 - Bugle Boy label
Price: $47.00
Mullard EZ81 / 6CA4 - Bugle Boy label
This 1958 Mullard EZ81 / 6CA4 tube was made in Great Britain (Blackburn factory) and labeled for Amperex. It has a gray plates and an early D getter (8t1 series). The white print on the glass has the Bugle Boy label with treble clef. Tube tests as new.
Philips 6V6GT - black glass, Realistic label
Philips 6V6GT - black glass, Holland made
Price: $49.00
Philips 6V6GT - black glass, Holland made
This rare 1960s Philips 6V6GT tube was made in Holland. It has a bottom dish getter and black glass. The yellow label on the glass has the Realistic logo and reads "made in Holland." Tube tests as new.
Siemens 12AU7 / ECC82 - chrome plates
Siemens 12AU7 / ECC82 - chrome plates
Price: $97.00
Siemens 12AU7 / ECC82 - chrome plates
This rare 1962 Siemens ECC82 / 12AU7 tube has distinctive chrome plates with copper grid posts. Its halo getter has two support posts. The white label has the Artisan logo and the Munich factory code is etched in the glass. Tube tests as new.
Telefunken 12AX7 / ECC83 - smooth plates, diamond imprint
Telefunken 12AX7 / ECC83 - smooth plates
Price: From $109.00 to $139.00
Telefunken 12AX7 / ECC83 - smooth plates
This 1960s Telefunken ECC83 / 12AX7 has smooth gray plates and diamond imprint on the base. Don't miss this opportunity to hear one of the best sounding--and hardest to find--12AX7s ever made! Click "more info" for current availability.
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.
ElectroHarmonix 6H30Pi - gold pins
ElectroHarmonix 6H30Pi - gold pins
Price: $33.00
ElectroHarmonix 6H30Pi - gold pins
The ElectroHarmonix 6H30Pi tube is a super linear, military spec dual triode tube made in Russia. It has the same internal construction as the Sovtek 6H30Pi, except the EH 6H30Pi has gold pins and has been selected for tighter tolerances and lower noise.

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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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