Pro-Ject Tube BOX II

Tube Box II for MM and MC is a very high quality phono cartridge preamplifier. This unit produces a lively and powerful performance with convincing sound staging and emotional presentation.  

Tube MM/MC Phono Pre-amplifier  Good sound from sound technology  

• Metal case shields the electronics from vibrational and electromagnetic interference  

• Dual-Mono circuitry utilising two double triodes for improved channel separation  

• Subsonic filter selection switch located at the rear of the unit  

• Gold plated RCA connection sockets  

• Outboard power supply included  

Features  

• Amplification and RIAA equalisation for MM and MC cartridges  

• Phono MM/MC selection switch located at the rear of the unit  

• Available in black and silver 

Technical data	Pro-Ject Tube Box II
Tubes	2 x ECC83 (12AX 7A)
Input impedance, MM	47kohms/120pF
Input impedances, MC	100ohms/120pF
Gain, MM	40dB
Output voltage typically	300mV/1kHz 3mV/1kHz (MM input)
Gain, MC	60dB
Output voltage typically	300mV/1kHz 0,3mV/1kHz (MC input)
Noise floor, MM	84dB (94dB - A weighted)
Noise floor, MC	67dB (75dB - A weighted)
THD, MM	0,05%
THD, MC	0,08%
RIAA-equalisation curve accuracy	20Hz - 20kHz / max. 0,5dB
Subsonic filter	at 18Hz with 18dB/octave
Outboard power supply	16V/1.000mA AC, suitable for your country's mains supply
Power consumption	16V/410mA AC
Dimension W x H x D	103 x 76 x 141mm
Weight	810g without power supply