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KINGSOUND M-20 Tube Amplifier Vacuum Tube Upgrade Kit (Power Section) 5 x Vacuum Tubes.

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We offer a Complete Set of four (Matched Quad) long life NOS Russian Military 6P15P-ev vacuum tube plus a Single Chinese Shuguang military spec Premium 6P6P Tube. Because they are Fully Bench tested here in the UK, there are no leaks or shorts guaranteed!

We also stock individual replacement USSR Military 6P15P-ev

Plus a Premium 6P6P Tube Shuguang Manufacture, c.1975 Life expectancy: 2000 hrs, Tested & Matched. While they are available, these vacuum Tubes are an excellent upgrade option.

Full fitting instructions included.

If you are unsure about your Amplifier’s requirements you can download a .pdf User Manual for free here

Never buy these tubes from an untrusted source. Vintage tubes can cause serious damage untested. We check all valves extensively within the UK for your peace of mind. Next Day Dispatch. No lengthy returns or customs duties! *


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Additional information

Weight 0.26 kg
Returns & Delivery

We offer a No-Quibble 30 -Day Return & Refund on all our Products. Please refer to our Return & Refund Policy for full details.

We aim to ship next Working Day by your chosen Postal Service. See our Shipping Policy for further details.

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