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Featured items

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Telefunken 6922 / E88CC - gold pins, phono grade
Telefunken 6922 / E88CC - gold pins, phono grade
Price: $189.00
Telefunken 6922 / E88CC - gold pins, phono grade
This Telefunken E88CC tube is a premium quality 6DJ8 / 6922 tube type. It has gold pins, gray risers, a halo getter, and the Telefunken diamond imprint in the base. Tube tests as new with phono grade sound quality.
Raytheon 5751 / 12AX7 - black plates
Raytheon 5751 / 12AX7 - black plates
Price: $94.00
Raytheon 5751 / 12AX7 - black plates
This rare 1963 mil spec Raytheon 5751 tube is a lower gain 12AX7 type tube. It has black plates and a distinctive dual post getter shaped like a plus sign. The red print has the Raytheon logo and reads "JAN-CRP-5751." Tube tests as new with very low noise
RCA 5751 / 12AX7 - black plates, triple mica
RCA 5751 / 12AX7 - black plates, triple mica
Price: $82.00
RCA 5751 / 12AX7 - black plates, triple mica
This late 1950s mil spec RCA 5751 tube is a lower gain 12AX7 equivalent. It has black plates, a windmill getter, extra support rods, and triple micas. Tube tests as new with balanced sections and very low noise.
Golden Dragon 6DJ8 / ECC88
Golden Dragon 6DJ8 / ECC88 - matched pair
Price: $97.00
Golden Dragon 6DJ8 / ECC88 - matched pair
The early 1990s Golden Dragon 6DJ8 / 6922 tubes in this precisely matched pair were developed for use in high-end tube gear such as Audio Research, Mcintosh, Audio Note, etc. Both tubes test as new with phono grade sound quality.
Sovtek 6922 / E88CC - dish getter, matched pair
Sovtek 6922 / E88CC - dish getter, matched pair
Price: $44.00
Sovtek 6922 / E88CC - dish getter, matched pair
The Sovtek 6922 / E88CC tubes in this precisely matched pair have dish getters with two support posts. The black print on the glass has the Sovtek logo and says "Made in Russia" with late 1998-2001 date codes. Both tubes tests as new with low noise.
RCA 5V4G - ST bottle
RCA 5V4G - ST bottle
Price: $44.00
RCA 5V4G - ST bottle
This 1957 RCA 5V4G rectifier tube has an ST bottle, black plates, and a bottom D getter. The silver print on the base has the RCA logo. Tube tests as new and ships in its original box.
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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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