The 304TL is a low-mu power triode for use as an amplifier, oscillator, or modulator.
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This military spec RCA 5R4GY rectifier tube has an ST bottle, smooth black plates, and a bottom getter. Its brown base has "JAN CRC-5R4-GY" in black print. Tube tests as new.
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These are some of the toughest looking tubes you'll ever come across. The 5R4W series are great full-wave rectifiers that are used in many world class audio amps and work great in guitar amps as well. Select from three distinct colors.
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This very rare Mullard GZ32 is the European equivalent of a 5V4G rectifier tube. It was made in Great Britain and has the BVA insignia. It has an ST bottle, gray plates, and bottom D getter. This tube definitely shows some wear but still tests as new.
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This 5Y3G rectifier tube was made by RCA and labeled for Delco. It has an ST bottle, ribbed black plates, and a bottom D getter. Tube tests as new.
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These 6C4 triodes made by GE have gray plates. They are sold as matched pairs.
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The tubes in this premium matched pair of 7591A power tubes were made by Sylvania and labeled for Hammond organs. They have gray plates and halo getters. Their black octal bases have Hammond written in green lettering.
Both tubes test good.
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This RCA JAN CRC 807 is a beam power tube for transmitting.
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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 24A radio frequency tube is made by Sylvania and comes in the 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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This is a beautiful Arcturus 57 radio tube with a blue ST bottle.
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This is a beautiful Arcturus 58 RF power tube with a blue ST bottle.
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Price: Starting at $19.00
This Ken-Rad 1629 / VT-138 is a military spec eye tube for use as a tuning level indicator. It has a green phosphor element. Choose from tubes that test as new / bright or good.
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This Sylvania 6E5 magic eye tube tuning level indicator has a green phosphor element and the old Sylvania leaf logo on the base. Tube tests as new / bright and comes in original box.
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