MM / MC Phono Pre-amplifier
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.
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
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