In the Genalex / Marconi-Osram tradition of providing the highest quality triode tubes like the PX4 and PX25 of the 1930s, New Sensor has released the Genalex Gold Lion PX300B power triode. Price includes extended burn-in and precision matching.
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The Mazda 6BM8 / ECL82 tubes in this precision matched pair were made in France and labeled for GE. They have gray plates with copper grid posts and halo getters. The white print on the glass has the GE logo. Both tubes test as new.
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This 6BM8 / ECL82 tube was made in Japan. It has gray plates with copper grid posts, a halo getter, and gold pins. The yellow print on the glass has the Realistic Lifetime logo. Tube tests as new and ships in its original box.
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Price: $74.00
Sale Price: $59.20
You Save: $14.80 (20 %)
This Shuguang 211 tube is a directly heated power triode with a carbon anode capable of up to 40 watts in single ended operation. Price includes extended burn-in and precision matching.
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This Sovtek 6H30Pi-EB tube has gray plates and halo or dish getter. The black print on the glass has the Sovtek logo. Tube tests as new with very low noise.
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The Sovtek 6H30Pi-EB tubes in this precisely matched pair have gray plates and halo or dish getters. Both tubes tests as new with balanced sections and very low noise. They are matched for both current draw (mA) and transconductance (Gm).
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This ECC189 dual triode tube was made by Mullard and labeled for RTC. It has the highly sought after "A" frame structure with the dimpled disk getter. Tube tests as new.
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This Sylvania 24A radio frequency tube tests as new and comes in its original box.
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This gorgeous 56 vintage 5-pin triode by Arcturus has a blue globe bottle and engraved black base in outstanding condition. I've listened to this tube in a 300B SET amplifier and verified that it is not microphonic and it does not hum.
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The 1930s RCA 56 tubes in this precisely matched pair are vintage 5-pin triodes with the early globe bottles. Their black bases are engraved with the RCA Radiotron logo. Both tubes test as new and are precisely matched for both current draw (mA) and Gm.
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Price: From $39.00 to $59.00
The military spec RCA 56 tubes in this precisely matched pair are vintage 5-pin triodes. They have black plates and bottom getters. The silver print on their black bases reads U.S. Navy CRC 56. Click "more info" for current availability.
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Price: From $29.00 to $57.00
The Sylvania 56 tubes in this matched pair are vintage 5-pin triodes. They have black plates and bottom getters. Their black bases have green print with the early Sylvania leaf logo. Both tubes test as new and are precisely matched.
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This is a beautiful Arcturus 57 radio tube with a blue ST bottle.
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Price: From $30.00 to $32.00
This 1950s RCA 5V4G rectifier tube has an ST bottle, black plates, and a bottom D getter. The black base has silver print with the RCA logo. Tube tests as new. Click "more info" for current availability.
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Price: From $27.00 to $29.00
This RCA 5V4GA rectifier tube has black or gray plates and a bottom getter. The silver or red print on the base has the RCA label. Tube tests as new and ships in its original box. Click "more info" for current availability.
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This RCA 5Z3 rectifier tube has smooth black plates and the early "Nipper" dog and phonograph logo (see photos). Flashing shows light use, but tube tests as new with precisely matched sections.
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This 5Z4 rectifier tube was made in the USA by various companies. It has a metal bottle with silver or red print. Tube tests as new. Click "more info" for current availability.
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These 6C4 triodes made by GE have gray plates. They are sold as matched pairs.
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This 1960s GE 6EU7 tube has short gray plates and a halo getter. The white print on the glass has the GE logo. Tube tests as new with very low noise and ships in its original box.
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The 1960s GE 6EU7 tubes in this precisely matched pair have short gray plates and halo getters. Both tubes test as new with very low noise. They are matched for both current draw (mA) and transconductance (Gm).
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This Mullard EZ80 / 6V4 rectifier tube has black plates and a halo getter. The white print on the glass has the Mullard shield logo or GE logo and says "made in England." Tube tests as new. Click "more info" for current availability.
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This late 1950s-early 1960s Philips EZ80 / 6V4 rectifier tube has a gray plates and a D getter. The white print on the glass has the GE logo and says "made in Holland." The Sittard or Bruxelles factory code is etched in the glass. Tube tests as new.
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This 1965 RT EZ80 / 6V4 rectifier tube was made in France by La Radiotechnique (a Philips subsidiary). It has a gray plates and a halo getter. The white print on the glass has the Bugle Boy label. Tube tests as new.
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This 1950s Sylvania 6E5 magic eye tube tuning level indicator has a green phosphor element. The green print on the base reads "JAN CHS 6E5." Tube tests as new / very bright.
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This RCA 6J5 tube has a metal bottle with red or silver print. Tube tests as new with very low noise.
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Price: From $14.00 to $32.00
This 1940s Sylvania 6J5GT/G tube has round black plates and a bottom getter with lots of flashing. The metal collar base has green print with the Sylvania lightening logo. Click "more info" for current availability.
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The 1940s Sylvania 6J5GT/G tubes in this precisely matched pair have round black plates and bottom getters with lots of flashing. Their metal collar bases have green print with the Sylvania lightening logo. Both tubes test as new and are precisely matched
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The RCA 6Y6G tubes in this precisely matched pair have welded gray plates and dual bottom getters. Their black bases have silver print with the RCA logo and matching date codes. Both tubes test as new and are matched for both current draw and Gm.
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This RCA JAN CRC 807 is a beam power tube for transmitting.
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Price: From $39.00 to $49.00
This RCA 83 is a full-wave mercury vapor rectifier tube. We offer Hickok grade 83 tubes with precisely balanced sections for accurate readings in vintage tube testers. Click "more info" for current availability.
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