Audio Research VS55 Power Amplifier Vacuum Tube Upgrade Kit
Choose your own Vacuum Tube Grade
Complete Set of three long life NOS USSR military spec 6N1 (3) matched Trio - direct drop in Upgrade for your Audio Research VS55 Amplifier.
Choose from Standard, Premium or Elite Grades.
Free set of 3 x silicon damper rings included.
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Audio Research VSi-55 Power Amplifier Vacuum Tube Upgrade Kit
Choose your Vacuum Tubes – Complete Set of three long life NOS USSR military spec 6N1 (3) matched Trio - direct drop in Upgrade for this amplifier.
Choose from Standard, Premium or Elite Grades.
Individual upgrade replacement tubes also available - see Main Description.
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Dared MP-5BT Valve Amp Vacuum Tubes
Premium Vacuum Tubes – Complete 3 Set long life NOS USSR military spec 6N1P-ev (1), 6N2P-ev (1) & 6E2 (1) direct drop in Upgrade for stock Chinese 6N1 amplifiers
Free BS310 Standard heat resistant silicone anti-vibration dampers.
Our 6N1/6N2 valves are compatible with our 20mm Anti-Microphony Damper Rings
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
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 (4) matched Quad - direct drop in Upgrade for stock Chinese 6P1 amplifiers
Individual Upgrade replacement tubes also available - see Main Description.
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
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
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
Dynavox VR-20 Amplifier Power Section (6P6P) Tube Upgrade Kit
Complete Set of 4 long life NOS Chinese military spec 6P6P (4) - Matched Quad direct drop in Upgrade for stock Chinese 6P6P amplifiers
Individual Upgrade replacement tubes also available - 6P6P
*Always check for the correct vacuum tube in your Manufacturer’s User Manual. For the reason that fitting the wrong tubes can be dangerous, can damage your amplifier and can invalidate your 30-Day Warranty
Eufonika H4 Tube Amplifier Vacuum Tube Upgrade Kit
A Choice of Vacuum Tubes – Complete Set of 3 long life NOS USSR military spec 6N6 (2) & standard or premium 6N1 (1) - direct drop in Upgrade for stock Chinese 6N6/6N1 amplifiers
Pre-amp Tube comes with a free BS310 Standard heat resistant silicone anti-vibration damper.
*The 6N1 Pre-amp section tubes are compatible with our 20mm 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
Fatman i-Tube 182 Valve Amplifier Tube Upgrade Kit
A matched set of Premium long life NOS USSR military spec 6N3P-e (4) matched Quad direct drop in Upgrade for stock Chinese 6N3 amplifiers Plus 6E2 (1) Magic Eye Volume Indicator.
*These tubes are compatible with our 20mm Silicone anti-Microphony Dampers
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Fatman i-Tube Carbon Edition 1 Amp Vacuum Tube Upgrade Kit
Choose Your Grade of Vacuum Tubes – 6N1 (2) Standard or Premium & 6E2 Magic Eye Indicator Tube.
Free BS310 Standard heat resistant silicone anti-vibration dampers.
These tubes are compatible with our 20mm Anti-Microphony Damper Rings
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Fatman i-Tube Carbon Edition 2 Amp Vacuum Tube Upgrade Kit
Premium Vacuum Tubes
Complete of Set long life NOS USSR military spec Premium 6N2P-ev (2) matched pair direct drop in Upgrade for stock Chinese 6N2 amplifiers
Free BS310 Standard heat resistant silicone anti-vibration dampers. Full fitting instructions included.
These tubes are compatible with our 20mm Anti-Microphony Damper Rings
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