Tube Box S2

Tube Box S2 in silver or black. Compact, high-end phono preamplifier (MM/MC) featuring a fully discrete, OpAmp-less circuit with two ECC83 tubes. It offers a warm, detailed and "tubey" sound with adjustable gain, impedance and capacitance, all housed in a sturdy aluminum case for, respectively, (Approx).

Key Features:

- Cartridge Compatibility: Supports both Moving Magnet (MM) and Moving Coil (MC) cartridges.

- Tube Circuitry: Features 2x ECC83 (12AX7) tubes that are replaceable, allowing for "tube rolling" to customize sound.

- Gain: Front-mounted controls with settings for 40, 43, 50, 60, and 63 dB.

- Input Impedance: Variable settings for MC (10, 100, 1k, 2k ohms) and fixed 47k ohms for MM.

- Input Capacitance: Selectable at 50, 150, 270, 370, 490, or 590 pF.

- No-OpAmp Design: Uses a fully discrete, linear circuit design.

- Dual Mono Circuitry: Optimized for minimal channel crosstalk.

- Construction: Uses polystyrene capacitors and gold-plated RCA connectors.

Specifications:

- Output Power: N/A

- Form Factor: rectangular, box-shaped

- Weight: 410 g without power supply

- Connectivity: wired