Sun Audio SV-2A3 Stereo Power Amplifier Kit

    $5,199.00

    (this kit includes best in class Takatsuki TA-2A3 tubes, from the only tube manufacturer in Japan)

    The Sun Audio SV-2A3 is a high-fidelity, single-ended triode (SET) amplifier kit, designed for audiophiles who appreciate both the art of DIY assembly and the unparalleled musicality of the legendary 2A3 tube.

    This is a kit, not a finished product. It includes all necessary components for assembly, including Tamura transformers, chassis, and premium-quality parts, but requires soldering and technical knowledge to complete.

    Pure 2A3 SET Sound – A True Audiophile Experience

    The 2A3 triode is revered for its warm, natural tone, exceptional midrange clarity, and highly immersive presentation. Designed for high-efficiency speakers, the SV-2A3 delivers an intimate, detailed, and emotionally engaging listening experience.

    Kit Features & Design
    • This is a DIY kit – Assembly required; includes all necessary components. Includes Takatsuki TA-2A3, JJ Electronic 6SN7 and General Electric 5AR4 tubes.
    • Single-Ended 2A3 Triode Design – Produces 3.5W per channel in pure Class A operation.
    • Tamura Transformers – Featuring Tamura-made power and output transformers for superior sonic transparency and dynamics.
    • Hand-Wired, Point-to-Point Construction – Traditional Japanese craftsmanship designed for sonic purity and reliability.
    • Minimalist, High-Purity Circuit – Carefully designed to preserve every nuance of your music with low distortion.
    • Tube Rolling Capability – Compatible with various 2A3 tubes, allowing customization of the amplifier’s tonal characteristics.

    Specifications
    • Circuit Type: Single-Ended Triode (SET), Class A
    • All triode tube circuit
    • Output Power: 3.5W + 3.5W (at 8Ω)
    • Frequency Response: 20Hz – 20kHz (+/-1dB)
    • Input Sensitivity: 0.7V for full output
    • Input Impedance: 100kΩ
    • Output Impedance: 8Ω / 16Ω (selectable)
    • Power Consumption: ~75W
    • Dimensions: W350 × H195 × D230mm
    • Weight: 13kg

    This is a Kit – Assembly Required

    The Sun Audio SV-2A3 is only available as a DIY kit. It is intended for experienced builders who are comfortable with soldering, circuit assembly, and high-voltage electronics. No finished or pre-assembled version is available.

    Sun Audio SV-2A3 Stereo Power Amplifier Kit

    $5,199.00

    (this kit includes best in class Takatsuki TA-2A3 tubes, from the only tube manufacturer in Japan)

    The Sun Audio SV-2A3 is a high-fidelity, single-ended triode (SET) amplifier kit, designed for audiophiles who appreciate both the art of DIY assembly and the unparalleled musicality of the legendary 2A3 tube.

    This is a kit, not a finished product. It includes all necessary components for assembly, including Tamura transformers, chassis, and premium-quality parts, but requires soldering and technical knowledge to complete.

    Pure 2A3 SET Sound – A True Audiophile Experience

    The 2A3 triode is revered for its warm, natural tone, exceptional midrange clarity, and highly immersive presentation. Designed for high-efficiency speakers, the SV-2A3 delivers an intimate, detailed, and emotionally engaging listening experience.

    Kit Features & Design
    • This is a DIY kit – Assembly required; includes all necessary components. Includes Takatsuki TA-2A3, JJ Electronic 6SN7 and General Electric 5AR4 tubes.
    • Single-Ended 2A3 Triode Design – Produces 3.5W per channel in pure Class A operation.
    • Tamura Transformers – Featuring Tamura-made power and output transformers for superior sonic transparency and dynamics.
    • Hand-Wired, Point-to-Point Construction – Traditional Japanese craftsmanship designed for sonic purity and reliability.
    • Minimalist, High-Purity Circuit – Carefully designed to preserve every nuance of your music with low distortion.
    • Tube Rolling Capability – Compatible with various 2A3 tubes, allowing customization of the amplifier’s tonal characteristics.

    Specifications
    • Circuit Type: Single-Ended Triode (SET), Class A
    • All triode tube circuit
    • Output Power: 3.5W + 3.5W (at 8Ω)
    • Frequency Response: 20Hz – 20kHz (+/-1dB)
    • Input Sensitivity: 0.7V for full output
    • Input Impedance: 100kΩ
    • Output Impedance: 8Ω / 16Ω (selectable)
    • Power Consumption: ~75W
    • Dimensions: W350 × H195 × D230mm
    • Weight: 13kg

    This is a Kit – Assembly Required

    The Sun Audio SV-2A3 is only available as a DIY kit. It is intended for experienced builders who are comfortable with soldering, circuit assembly, and high-voltage electronics. No finished or pre-assembled version is available.