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© Pro-Ject Audio Systems · Pro-Ject Phono Box MM · Revision 2015.4.13
3
Connection to the amplifier
Connect the OUTPUT of the phono amplifier to a line input (such as AUX, CD, Tuner, Tape or Video) on
your amplifier.
Mains power connection
The phono amplifier is supplied with a power supply suitable for your country's mains supply. Check the label
before connecting to ensure compliance with the mains rating in your house. Connect the low voltage plug
from the power supply to the INPUT DC socket of the phono amplifier before connecting the power supply to
the mains.
Technical specifications Pro-Ject Phono Box MM
* typical for MM or high output MC cartridges
Input capacitance/input impedance, MM: 47kohms/120pF
*
Gain: 40dB
Output voltage typically: 500mV/1kHz at 5mV/1kHz
Noise floor: 88dB (A weighted)
THD: <0,04%
RIAA-equalisation curve accuracy: 20Hz - 20kHz / max. 0,5dB
Input: 1 pair RCA/phono sockets
Line-level output: 1 pair RCA/phono sockets
Outboard power supply: 18V/500mA DC, suitable for your country's mains supply
Power consumption: 20mA DC
Dimensions W x H x D (D with sockets): 107 x 30 x 61 (75)mm
Weight: 280g without power supply
Potential incorrect use and fault conditions
No signal on one or both channels:
No connection between player and phono amplifier or amplifier. This could be due to a faulty plug,
broken wire or solder joint or simply loose plug/socket connection.
Strong hum:
No earth connection from cartridge or arm, or arm cable to phono amplifier, or earth loop.
Service
Should you encounter a problem which you are not able to alleviate or identify despite the above information,
please contact your dealer for further advice. Only when the problem cannot be resolved there should the
unit be sent to the responsible distributor in your country.
Warranty
The manufacturer accepts no responsibility for damage caused by not adhering to these instructions
for use. Modification or change to any part of the product by unauthorized persons, release the
manufacturer from any liability over and above the lawful rights of the customer.
Copyright, trademarks
Pro-Ject Audio Systems is a Registered Trademark of
H. Lichtenegger.
This guide was produced by: Pro-Ject Audio Systems
Copyright
©
2015. All rights reserved.
The information was correct at the time of going to
press. The manufacturer reserves the right to make
changes to the technical specification without prior
notice as deemed necessary to uphold the ongoing
process of technical development.