Vincent Audio SA-T7 MK Tube Preamplifier - Silver

Audio Performance

Ultra-Low Noise Tube Circuit — The patented BestPentode design by Frank Blöhbaum eliminates the current-distribution noise historically associated with pentode tubes. The result is a tube stage with higher gain and lower noise than typical triode circuits, so your music comes through with clarity and natural warmth.

Exceptional Signal Purity — The proprietary Vimala power supply coupling module delivers extremely clean power to the tube stage. "Vimala" is Sanskrit for "pure, transparent, clear" — and that's exactly what this module is designed to achieve.

Built-In Hi-Res DAC — A PCM 5100-based digital-to-analog converter supports files up to 24-bit/192 kHz. This means your digital sources — whether streamed via Bluetooth or connected by optical or coaxial cable — get converted to analog with audiophile-grade precision right inside the preamp.

Bluetooth 5.0 Wireless Streaming — Stream music directly from your phone, tablet, or computer. The built-in Bluetooth 5.0 receiver provides a stable connection and good audio quality for casual listening or discovering new music.

Tone Controls with Bypass — The SA-T7 MK includes precision bass and treble controls so you can tailor the sound to your room and preferences. Prefer the purest signal? A bypass switch removes the tone controls from the circuit entirely.

Selectable Output Impedance — Choose between 50-ohm and 600-ohm output impedance to best match your power amplifier. The extremely low output resistance (typically less than 1 ohm) ensures consistent performance across the full frequency range, regardless of cable choice.

Design & Build

German-Engineered, Hand-Tested — Critical circuit boards, including the proprietary Vimala and BestPentode modules, are assembled and individually tested in Germany by designer Frank Blöhbaum himself. Final assembly and quality verification are also conducted under his supervision.

NOS Tube Complement — The SA-T7 MK uses New Old Stock (NOS) tubes originally designed for 24/7 telecommunications use in professional settings. These highly reliable pentodes (4x 6SCH9P, 4x 6SCH51P, and 1x 85A2) were rated for a guaranteed lifespan of 10,000 hours in continuous operation.

Tube Viewing Window with Dimmable LED — A front-panel window lets you see the warm glow of the tubes in action. The amber LED illumination is adjustable or can be turned off entirely — perfect for dark rooms or home theater setups.

Included Remote Control — A slim metal remote handles input selection, volume, and mute. Power on/off is via the front panel.

• Frequency Response: 10 Hz – 100 kHz (±0.1 dB)
• Total Harmonic Distortion: < 0.001% (1 kHz, 2V output into 10kΩ)
• Signal-to-Noise Ratio: > 100 dB (A-weighted)
• Amplification (Gain): 13.3 dB (volume at max)
• Input Sensitivity: 430 mV (for 2V output)
• Maximum Output Voltage: 3V
• Input Impedance: > 22 kΩ
• Output Impedance Options: 50Ω or 600Ω (selectable)
• DAC Chip: PCM 5100, 24-bit/192 kHz
• Bluetooth: 5.0
• Supported Digital Formats: WAV, FLAC, APE, LPCM, MP3, AAC, AC3, WMA
• Analog Inputs: 6 × Stereo RCA
• Digital Inputs: 1 × Toslink Optical, 1 × Coaxial, 1 × Bluetooth
• Outputs: 2 × Stereo RCA Pre-Out, 1 × Stereo RCA Rec-Out, 2 × 3.5mm Power Control
• Tube Complement: 4 × 6SCH9P, 4 × 6SCH51P, 1 × 85A2 (all NOS)
• Max Power Consumption: 58 watts
• Dimensions: (W × H × D) 16.9″ × 5.3″ × 14.5″ (430 × 135 × 370 mm)
• Weight: 18.7 lbs (8.5 kg)
• Available Finishes: Silver, Black

What's in the Box

• Vincent Audio SA-T7 MK Tube Stereo Preamplifier (Silver)
• Remote control
• Power cord
• Owner's manual
• RCA input dust caps (pre-installed on unused inputs)

Note: Verify complete packing list with the manufacturer if needed. Interconnect cables and phono preamplifier are sold separately.