Other Tubes

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Cinch 8 Pin Miniature Tube Socket

This is some sort of Cinch-manufactured tube adapter plugin module that converts an 8 pin miniature tube base connection into a square pin array. Each pin in the pin array is marked with a number on the opposite face. These sockets are in good new condition with minor wear as shown in the photos.

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Catalog No. Price Lead Time
CINCHMINI US$3.98 5 units in stock

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Sylvania 5896

Tiny Sylvania 5896 subminiature twin diode, green print, new old stock. The 5896 provides two separate cathodes that can be used independently or combined in parallel or full-wave configurations. Filament voltage is 6.3 volts at 300ma, tube has an 8 pin miniature base.

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Catalog No. Price Lead Time
5986 US$4.98 3 units in stock

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RCA 6884

The RCA 6884 is a high power beam tetrode packaged in a robust metal and ceramic enclosure. The 6884 is rated at 80 watts of power at 400mhz, and the tube is dominated by the large aluminum heatsink permanently bonded to the tube's envelope. This tube is in used condition.

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Catalog No. Price Lead Time
RCA6884 US$9.98 3 units in stock

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Farnsworth 1P25
Farnsworth 1P25 image converter tube in used, tested working condition. This is a tube used in World War II night vision systems, and has a phosphor coated screen that is sensitive to IR light. These tubes require about 4000 volts to function, WWII era night vision scopes used a non-replaceable Zamboni pile to generate the high voltage needed. The modern user can use one of the many laser tube power supplies or neon sign transformers on the surplus market.

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Catalog No. Price Lead Time
1P25 US$41.98 1 unit in stock

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Strobotron Neon Filled Tube

Sylvania strobotron tube, in used but tested and working condition. This is a neon filled high speed strobe tube that was used prior to the advent of xenon strobe tubes for high speed time measurement. The tube is filled with neon gas and lights brightly under high voltage influence. There are numerous circuits on the Internet for building a strobe timer using this device.

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Catalog No. Price Lead Time
P31T1 US$19.98 1 unit in stock

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Burroughs BX-1000 Decade Counter Tube

BX-1000 Beam-X Switch beam switching tube, new condition in white carton. The BX-1000 is a complicated 10 stage decade counter tube that can be coupled directly to a Nixie tube display to create a transistor free counting and display system. Each tube contains 10 cylindrical magnets that direct the flow of electrons within the device, a switching grid 'bumps' an electron beam from magnet to magnet in a circular fashion inside the envelope. Though these were actually manufactured by Burroughs, the example for sale here has been crudely re-printed with the brand name "Electronic Enterprises".

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Catalog No. Price Lead Time
BX1000 US$22.98 7 units in stock

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Chicago Miniature CM20-2 Lamp

Chicago Miniature CM20-2 incandescent lamp, new old stock, tested and working. These unusual bulbs were intended for use as optical sensing units in early time lapse VCRs, and have a curved glass lens incorporated into their envelope. The lens exits the bulb at a 90 degree angle to the filament, which makes them ideal as colon indicators for clocks based around large numitron tubes like the DR2000 and IV-13.

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Catalog No. Price Lead Time
CM202 US$4.98 2 units in stock

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Raytheon CK502AX Peanut Tube Module

Peanut tube plug-in device, unknown function, used condition. This unidentified device contains three Raytheon CK502AX peanut tubes as well as a number of passive components, all of which has been mounted to an 11 pin phenolic base. Unfortunately we have no idea what these modules were intended for, though they would likely be useful for someone who needs to salvage CK502AX tubes for another project.

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Catalog No. Price Lead Time
CK502AX US$4.98 1 unit in stock

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Three Electrode Glass Bulb

Three electrode glass bulbs, gas filled, clean condition. When brought near the influence of a Tesla coil the bulbs fill with a purple discharge, and when a high voltage supply is connected across the leads purple bands form as shown in the photo. These could be some sort of high voltage arrester, or a three electrode trigger tube. The bulbs look to be in good shape with no silvering or other fouling of the glass.

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Catalog No. Price Lead Time
3BULB US$0.98 79 units in stock

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