Pro-ject Tube Box DS

Pro-ject Tube Box DS


The Pro-Ject Tube Box DS is a new valve output phono pre-amplifier that offers improved performance from the original Tube Box S/E whilst maintaining an appealing price.

SKU: N/A Category:


The Tube Box DS presents an impressive sound making it a great audiophile upgrade for almost any mid-priced analogue hi-fi system. With a unique variable impedance dial and a switchable subsonic filter, it can meet the needs of almost any MM or MC phono cartridge on the market. The carefully selected audiophile-grade components make it possible to enjoy your valuable vinyl collection like never before.

The class-leading music reproduction qualities of the Tube Box DS deliver pure dynamics, full transparency, analogue warmth, bass texture, detail resolution and purity of all audible frequencies. All in all, it effectively brings a retro ethic to modern phono electronics.

Key Features:

  • MM/MC switches on rear panel
  • Unique continuously variable input impedance loading
  • Switchable gain settings for MM and MC cartridges
  • Capacitance switch for MM cartridges
  • Switchable subsonic filter
  • Dual-mono tube triode architeture
  • Premium ECC-83 Golden Pin Tubes
  • Ultra low-noise semiconductors
  • SMD technology

Technical Data:

Tubes: 2 x ECC83 (12AX 7A)
Input Impedance: Stepless 10Ω – 1,000Ω
Input Capacitance / Impedance: 47, 147, 267 and 367pF
Input Gain: MM – 40, 50dB
MC – 60dB
Noise Floor 82dB (93dB – IEC – A)
THD: < 0.1%
De-Emphasis Curves Accuracy: 20Hz – 20kHz / Max. 0.5dB
Subsonic Filter: @ 20Hz with 18dB/Octave
Input: 1 Pair RCA / Phono Sockets
Output: 1 Pair RCA / Phono Sockets
Outboard PSU: 18V / 1,000mA DC
Power Consumption: 490mA DC
Dimensions (W x H x D): 103 x 72 x 144mm
103 x 72 x 156mm (Incl. Sockets)
Weight: 1.1Kg (without PSU)

Please note: You will need interconnect cables to connect this phono stage to your amplifier.

Additional information


Black, Silver

Rococo Systems & Design © 2020