Pro-Ject Audio Tube Box DS,  Premium Tube Phono Preamplifier

Pro-Ject Audio Tube Box DS, Premium Tube Phono Preamplifier

Regular price
Sale price
Regular price
Sold out
Unit price


Product Condition Grade: A, G

Pro-Ject Audio Tube Box DS,  Premium Tube Phono Preamplifier


MM & MC Support

Precise RIAA equalization

Ultra low noise circuitry

ECC 83 output stage 

Switchable subsonic filter

Input impedance adjustment for low output MC on the front panel

Input capacitance adjustment in 4 steps (MM & Hi-Output MC)

Metal casing protects against vibration and interference

Front-sided on/Off switch

Faceplate Silver

 All products on Hi-Fi Disposals are sold with a 12-month warranty covering parts and labour.

Technical Specifications

Tubes 2 x ECC83 (12AX 7A)
Input impedance, variable steppless 10 ohms - 1.000 ohms
Input capacitance/impedance 47 pF, 147 pF, 267 pF, and 367 pF / 47 kohms
Input gain 40 dB and 50 dB / 60 dB
Noise floor 93 dB (A-weighted)
THD <0.1%
De-emphasis curves accuracy 20 Hz - 20 kHz / max. 0,5 dB
Subsonic filter at 20 Hz with 18 dB / octave
Input 1 pair RCA/phono sockets
Line-level output 1 pair RCA/phono sockets
Outboard power supply 18 V / 1.000 mA DC, suitable for your country's mains supply
Power consumption 490 mA DC, <1 W in Stand-By
Dimensions W x H x D with sockets 103 x 72 x 156 mm
Weight 1.100 g without power supply