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We sell New Old Stock (NOS) 6N1P Vacuum Tube Upgrades for the Audio Research Amplifier Range.
Our range of Graded Russian Military Vacuum Tubes includes the 6N1P and 6N1P-ev. Because the -ev suffix denotes a ruggedized version, these ones have exceptional build quality and longer life.
We also offer some rare SPECIAL PURCHASE Vintage c.1966 6N1P-v. These are high in now rare earth metals and amplify even harmonics in a way that later valves just cannot achieve. They are an exceptional Vacuum Tube that will transform your ARC Amplifier.
Buy single replacements, matched multiples or a full replacement vacuum tubes kit tailored to your requirements!
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6N1 Tube Equivalent 6N1P Vacuum Tubes
Amplifier Tubes: 6N1 Tube Equivalent 6N1P 6N1P-ev 6N1P_V -
Choose your own grade from Standard 6N1P to audiophile Elite Options!
Available in matched groupings.
Fully Bench tested - No leaks or shorts guaranteed.
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Audio Research VS-110 Power Amplifier Tube Upgrade
Choose your Vacuum Tubes –
Complete Set of long life NOS USSR military spec 6N1(5) matched Quintet
Choose from Standard, Premium or Platinum Grades.
Free set of 5 x silicon damper rings included.
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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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