Vacuum Tubes Inc

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QNOS- 230

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  • QNOS- 230


New old stock type 30 4 pin triode. The earliest version has a T-9 tubular bulb, but later tubes (up to 1932) have S-12 globe bulbs. The photo shows both types. Supply is limited to the stock on hand. Contact us if the bulb shape is important to you. Various brands.

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