We sell New Old Stock (NOS) Vacuum Tube Upgrades for the Douk Audio Valve Amplifier Range.
We sell New Old Stock (NOS) Vacuum Tubes for the Douk Audio Valve Amplifier Range.
Our Graded Russian Military Vacuum Tubes include Ruggedized versions for improved sound quality. Because -ev is a ruggedized version, you can therefore also expect exceptional build quality and hence longer life.
Choose from 6N2,6P1 & 6J1 Upgrades. Buy singles, matched multiples and even complete vacuum tube kits.
In other words, we have everything you need to transform your Douk Audio Amplifier.
Additionally, as all our valves are fully bench tested here in the UK it means you have complete peace of mind.
Simply Choose according to your requirements!
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6P1 – Tube Equivalent 6P1P-ev Vacuum Tubes
A choice of Standard and Premium Upgrade Vacuum Tubes – long life NOS USSR military spec 6P1 Tube Equivalents matched to your requirements.
Fully Bench tested - No leaks or shorts guaranteed.
Scroll down for Detailed Product Description
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Douk Audio 6P1 Class A Single-ended Stereo Amplifier Vacuum Tube Upgrade Kit
Premium Vacuum Tubes – Complete of Set long life NOS USSR military spec 6P1P-ev (4) matched Quad - direct drop in Upgrade for stock Chinese 6P1 amplifiers
Individual Upgrade replacement tubes also available - see Main Description.
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Douk Audio Little Bear T11 Tube Pre-Amplifier Tube Upgrade Kit
A matched Trio of Premium long life NOS USSR military spec 6N2P-EV (3) matched pair direct drop in Upgrade for stock Chinese 6N2 amplifiers
Fully Bench tested - No leaks or shorts guaranteed.
Free 3 x BS310 Standard heat resistant silicone anti-vibration dampers
*These tubes are compatible with our 20mm Silicone anti-Microphony Dampers
Individual Upgrade replacement tubes also available - see Related Items
*Always check for the correct vacuum tube in your Manufacturer’s User Manual.
Fitting the wrong tubes can be dangerous, can damage your amplifier and can invalidate your 30-Day Warranty
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Douk Audio Little Bear Tube RIAA Phono Pre-Amplifier Vacuum Tube Upgrade Kit
A matched Pair of Premium long life NOS USSR military spec 6J1P-ev (2) matched pair direct drop in Upgrade for stock Chinese 6J1 amplifiers
Free BS310 Standard heat resistant silicone anti-vibration dampers with all matched pairs.
Full fitting instructions included.
*These tubes are compatible with our 18mm Silicone anti-Microphony Dampers
Individual Upgrade replacement tubes also available - see Main Description.
*Always check for the correct vacuum tube in your Manufacturer’s User Manual.
Fitting the wrong tubes can be dangerous, can damage your amplifier and can invalidate your 30-Day Warranty
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Douk Audio T7 Mini 6J1 Vacuum Tube Upgrade Kit
A matched Pair of Premium long life NOS USSR military spec 6J1P-EV (2) matched pair direct drop in Upgrade for stock Chinese 6J1 amplifiers
Free BS310 Standard heat resistant silicone anti-vibration dampers with all matched pairs.
Full fitting instructions included.
*These tubes are compatible with our 18mm Silicone anti-Microphony Dampers
Individual Upgrade replacement tubes also available - see Main Description.
*Always check for the correct vacuum tube in your Manufacturer’s User Manual.
Fitting the wrong tubes can be dangerous, can damage your amplifier and can invalidate your 30-Day Warranty
