12au7
  1. PSVANE Horizon Series 12AU7-AT Vacuum Tubes

    PSVANE Horizon Series 12AU7-AT Vacuum Tubes

  2. Apos Ray 12AU7 Vacuum Tube

    Apos Ray 12AU7 Vacuum Tube

    We're excited to share the launch of a new product we've been working on at Apos: The Apos Ray Vacuum Tubes. These are not your regular tubes–they’re brand new, hand-selected, and tested to meet our rigorous quality standards, unlike the unpredictable quality of the New Old Stock (NOS) tubes...
  3. Apos Audio

    Introducing the Apos Ray Vacuum Tubes: Rekindle Your Love for Rich, Warm Sound

    Hi all, We're excited to share the launch of a new product we've been working on at Apos: The Apos Ray Vacuum Tubes. These are not your regular tubes–they’re brand new, hand-selected, and tested to meet our rigorous quality standards, unlike the unpredictable quality of the New Old Stock (NOS)...
  4. El nai del vent

    12au7 tubes for HD600

    I am just starting to try tubes that favour the HD600's. I find the philips miniwatt's profile too bright and lacking in bass for my taste (maybe they need a bit more burn in). I tried them with some philips holland short plate quite rare to find and what a luxury of sound.... do you have any...
  5. Ayon HA-3

    Ayon HA-3

    Tube Headphone amp Ayon HA-3 II Class of Operation Pure Class A, SE-Triode Tube Complement 2 x AA45 Mesh, 2 x 12AU7 S/N Ratio > 100dB (unweighted) Input Impedance 50 kΩ Frequency Response at 32Ω 15 Hz – 35kHz Harmonic Distortion (at 150mV ) < 0.01% Channel Separation L/R > 89dB...
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