The 3CX800A7 is a compact high-mu power triode intended for use in zero bias class B amplifiers in audio or radio frequency applications. It may also be useful as a pulse modulator or regulator. Machlett Factory Direct.
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NEW MKS -3cx800a7 tube. Serial Number: B1308419 This item is in new condition and is being sold AS-IS, with no returns or warranties. The item has been tested and is being offered in new condition. Please review all images carefully to assess the exact condition of the product. What you see is exactly what you will receive no additional accessories or components are included unless shown in the photos. Buyer is responsible for ensuring compatibility and proper installation. By purchasing this item, you agree to these terms and accept full responsibility for its use. All sales are final.
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One tube is shorted to grid and the second one has low output. Tested and Working.
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But I know this tube works in my amp and loafs at full output and minimal grid current. Yes I know the 3cx800a7 is rated at 40mA max grid current. This is a full output spare I have kept for my Alpha 87 amplifier.
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Used EIMAC 3 CX800A7 Serial Number: 0608 This item is in used condition and is being sold AS-IS, with no returns or warranties. The item has been tested and is being offered in its current condition. Please review all images carefully to assess the exact condition of the product. What you see is exactly what you will receive no additional accessories or components are included unless shown in the photos. Buyer is responsible for ensuring compatibility and proper installation. By purchasing this item, you agree to these terms and accept full responsibility for its use. All sales are final.
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Tested and Working.
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Thomson CSF 3CX800A7 Compact High-Mu Power Triode. The 3CX800A7 is a compact high-mu power triode. intended for use in zero bias class B amplifiers. Our Tubes are covered by a standard 12 Month/1,000 Hour Warranty.
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The 3CPX1500A7 is a rugged high-mu power. CPI | 3cpx1500a7. gain of a tetrode. The tube is intended for pulse. triode, designed with beam-forming cathode and. pulsed RF application where high peak power is required.
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