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Vacuum Tube - 6E5, Indicator, Tubular Glass

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Item ID: 004688
List Price: $33.60
Price: $30.24
You Save: $3.36 (10%)
In Stock
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New-Old-Stock (NOS) tube.

Also known by US military identifier VT-215.

The 6E5 is a high-vacuum, heater-cathode type of tube designed to indicate visually the effect of change in the controlling voltage. The tube, therefore, is essentially a voltage indicator and as such is particularly useful to facilitate exact tuning of a radio receiver.

The visible effect is observed on a fluorescent target located in the dome of the bulb. For different controlling voltages, the pattern on the target varies through a shaded angle from 90 degrees to approximately 0 degrees. Exact tuning is indicated by the narrowest shaded angle obtainable.

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Product Reviews

2.00 out of 5 based on 1 reviews
2 out of 5

Product was not "New" Old Stock just old and used. Tube covered in a shellac substance. Internal elements were misaligned (indicator not centered in glass). Indicator element was bright.

- November 7th, 2017