Front Panel Controls; Gain Setting - Pro-Ject Audio Systems BOX-DESIGN Tube Box S2 Instructions For Use Manual

Front panel controls

Stand-By
The button on the left side of a front panel of the unit turns the unit on or returns it to standby mode. The blue
LED above the stand-by push button shows that the unit is switched on.

Gain setting

◄
Buttons marked with and
are 40, 43, 50, 53, 60 and 63dB.
Subsonic
The button on the right side of a front panel turns on and off subsonic filter. The blue LED above the button is
illuminated when it´s on.
Technical specifications Pro-Ject Tube Box S2
Typical for low output MC cartridges,
A
* Input capacitance is irrelevant for low-output MC cartridges
Tubes:
Input impedance:
Input capacitance /impedance:
Input gain:
Noise floor:
THD:
RIAA-equalisation curve accuracy:
Subsonic filter:
Input:
Line-level output:
Outboard power supply:
Power consumption:
Dimensions W x H x D (D with sockets): 103 x 73 x 119 (131)mm
Weight:
4
© Pro-Ject Audio Systems · Pro-Ject Tube Box S2 · Revision 2017.12.5
►
set gain of the amplifier. Selected value is indicated by LED. Possible settings
typical for MM or high output MC cartridges
B
2 x ECC83 (12AX 7A)
10ohms, 100ohms, 1kohm, 2kohms
47pF, 147pF, 267pF, 367pF,487pF and 587pF*/47kohms
Together with other input impedance settings without any influence!
40dB,43dB
80dB (A weighted) at 40dB input gain
75dB (A weighted) at 50 dB and 63dB input gain
<0,02% at 40dB input gain
<0,05% at 50dB and 63dB input gain
20Hz - 20kHz / max. 0,4dB
at 20Hz with 18dB/octave
1 pair RCA/phono sockets
1 pair RCA/phono sockets
18V/1.000mA DC, suitable for your country's mains supply
470mA DC, <1W in standby
410g without power supply
B ; 50dB, 53dB and 60dB, 63dB
A,
B
A