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AnalogPhono Pre-Amps
Estimated price (community-sourced)
$279
Around — community and catalog average, updates slowly
About the Tube Box S
The Pro-Ject Tube Box S is a dual-mono phono preamplifier designed for audiophile-grade vinyl playback. It features ECC83 (12AX7) vacuum tubes in a dual-mono configuration, delivering a warm, detailed sound signature with precise RIAA equalization (±0.4dB deviation). The unit offers adjustable input impedance (10Ω-2kΩ for MC/47kΩ for MM) and capacitance loading (50-370pF), along with three gain settings (41/51/61dB) to accommodate various cartridges.
Specifications
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