Pro-Ject Tube Box E Dual-Mono Valve Phono Preamplifier – Silver

Description Pro-Ject Tube Box E Dual-Mono Valve Phono Preamplifier We are an authorised Pro-Ject dealership so you can be assured of a genuine product backed by full manufacturer warranty. Big Sound, Compact Size The Pro-Ject Tube Box E brings classic tube warmth to your vinyl setup in a sleek, compact design. Despite its miniature size, this phono stage delivers a full, relaxed sound with lush midrange detail—just like you’d expect from a much larger high-end tube amplifier. Versatile Performance for MM & MC Cartridges Whether you’re running a moving magnet (MM) or moving coil (MC) cartridge, the Tube Box E has you covered. Gain settings are easily adjusted from the front panel, and the loading options on the underside let you precisely tailor the sound to your cartridge. This ensures optimal synergy with your turntable setup. No OpAmps – Just Pure Analogue Sound The Tube Box E features a fully discrete circuit design with no operational amplifiers (OpAmps), delivering clean signal paths, ultra-low noise performance, and accurate RIAA equalisation. The result is a rich, natural sound and a product built for long-term enjoyment and serviceability. Customisable Tube Output Fitted with two ECC83 tubes, the Tube Box E offers replaceable valves for tube rolling and sound-shaping. You can fine-tune the sonic character to match your preferences, giving you a hands-on way to personalise your listening experience. Engineered for Audiophile Listening Built with FET input stages, polystyrene capacitors, and gold-plated RCA connectors, all housed in a metal chassis with a sleek aluminium front. Multiple internal power supplies ensure clean, stable performance. Features: MM & MC Cartridge Compatible – Works with both moving magnet and moving coil cartridges, offering flexibility for a wide range of turntables. Fully Discrete Design – No OpAmps used, resulting in ultra-clean signal paths, accurate RIAA equalisation, and low noise performance. ECC83 Tubes – Two high-quality tubes included, with the option to roll and customise your sound signature. Dual Mono Circuitry – Separate circuitry for each channel ensures optimal stereo separation and imaging. Front Panel Controls – Easy-access gain switch and subsonic filter button make adjustments simple and intuitive. Premium Componentry – Features FET input stage, polystyrene capacitors, and gold-plated RCA inputs/outputs for optimal audio quality. Custom Loading Options – Tailor the preamp’s electrical load to match your cartridge’s specific requirements. In stock ready for immediate dispatch with full UK VAT receipt.   Phono Preamplifier Technical Specifications Specification Details Tube Assembly 2 × ECC83 (12AX7A) Input Impedance 10, 100, 1k, 2k Ω (A) Capacitance 47, 147, 267, 367, 487, 587 pF / 47k Ω Gain 40–43 dB / 50–53 dB / 60–63 dB (A) Noise Floor (77 dB) A-weighted at 40 dB input gain Noise Floor (65 dB) A-weighted at 50 dB and 63 dB input gain Total Harmonic Distortion (THD) < 0.03% at 40 dB / < 0.07% at 50 dB and 63 dB RIAA Curve Accuracy ±0.5 dB (20 Hz – 20 kHz) Subsonic Filter 20 Hz @ 18 dB/octave Input / Output 1 × RCA / 1 × RCA Outboard Power Supply 18 V / 1 A DC Power Consumption 470 mA DC, < 1 W in standby Dimensions (W × H × D) 103 × 73 × 115 mm (131 mm with sockets) Weight 450 g (without power supply) Please leave this field empty5% off, don't miss out Sign up to receive your exclusive discount, and keep up to date on our latest products & offers! We don’t spam! Read our privacy policy for more info. Thank you for signing up, your discount code is: MP5. Check your inbox or spam folder to confirm your subscription. Related