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Tube Database (7,341 tube types · 1,270 archive entries)

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Tube record

7730

Manufacturer: Cbs
Brand: Heintz & Kaufman

Pinched Tip

Country: USA
Glass Color: Clear Glass
Mica: Double
Archive ID: i0driipj
Pin Color: Silver Pins
Plate Color: Matte Gray
Plate Look: Ribbed / Scale

Plate Size

17mm

Special Use

Industrial

Tip Shape

Pinched Tip

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More 7730 type tube

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