Pro-Ject Audio Systems Tube Box SE II Manuel utilisateur

INSTRUCTIONS FOR USE

Pro-Ject Tube Box SE II

Dear music lover,

thank you for purchasing a PRO-JECT AUDIO phono amplifier.

In order to achieve maximum performance and reliability you should study these instructions for use carefully.

Warning of a hazard for the user, the unit or possible misuse.

Important notice.

Setting the cartridge mode

The phono amplifier must be used in either MM (moving magnet) or MC (moving coil) mode according to the

construction principle of the pickup cartridge to be used. Since most cartridges use the MM (moving magnet)

principle the phono amplifier is factory set to operate in this mode. To find out which type your cartridge is

please consult the literature accompanying your cartridge. The literature for MC cartridges should also specify

the correct impedance and capacity into which the cartridge is designed to work. If in doubt please consult

your dealer.

A switch at the back of the phono amplifier sets the correct level of amplification for the cartridge.

∗Use the supplied jumpers to set the impedance and the recommended load resistance.

-MM

-MC

The following settings are available:

MC - ∗17ohm s /120pF (jumper on 22, 100 and 220 Ohms)

MC - ∗18ohm s /120pF (jumper on 22 and 100 Ohms)

MC - ∗20ohm s /120pF (jumper on 22 and 220 Ohms)

MC - ∗22ohm s /120pF (jumper on 22 Ohms)

MC - ∗69ohm s /120pF (jumper on 100 and 220 Ohms)

MC - ∗100ohm s /120pF (jumper on 100 Ohms)

MC - ∗220ohm s /120pF (jumper on 220 Ohms)

MM - 47kOhm s /120pF (no jumper)

MM - ∗47kOhms /220pF (jumper on 100pF)

MM - ∗47kOhms /340pF (jumper on 220pF)

MM - ∗47kOhms /440pF (jumper on 100pF and 220pF)

220

100

220

Ohms

Before setting MM / MC mode ore resetting jumpers the unit must be disconnected from the power

supply and amplifier! Please set both channels equally.

Subsonic filter

A switch at the back of the phono amplifier activates and deactivates the subsonic filter.

OFF ON

Subsonic

Connecting the record player

Connect the tonearm signal lead to the In of the phono amplifier. Take care to connect the left and right

channels correctly. The right channel is usually marked red, the left channel black or white. The earthing wire

of the tonearm lead should be connected to the earth terminal.

Out

Right Left

Out

Subsonic

OFF ON

Power ~ 16V

220 pF

100 pF

220 Ohms

100 Ohms

Ohms

220 pF

100 pF

220 Ohms

100 Ohms

Ohms

Connection to the amplifier

Connect the Out of the phono amplifier to a line input (such as AUX, CD, Tuner, Tape or Video) on your amplifier.

Take care to connect the left and right channels correctly. The right channel is usually marked red, the left

channel black or white.

Make all connections whilst the phono amplifier is disconnected from the power supply.

Do not connect the phono amplifiers output to a phono input (sometimes labelled gram, disc or RIAA)

on the 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 Power ~16V socket of the phono amplifier before connecting the power supply to

the mains. The blue LED on the unit's front will light up once the phono amplifier is properly connected to the

power supply.

Technical specifications Pro-Ject Tube Box SE II

Tubes: 2 x ECC83 (12AX 7A)

Input impedance, MM: 120, 220, 340 and 440pf/47kOhm

Input impedances, MC: 17, 18, 20, 22, 69, 100 and 220ohms/120pF

Output voltage: 300mV at 1kHz for 3mV (MM Input) / 0,3mV (MC input)

Gain, MM / MC: 40dB / 60dB

Noise floor, MM / MC: 95dB (100dB - A weighted) / 75dB (80dB - A weighted)

THD MM / MC: 0,03% / 0,1%

RIAA-equalisation curve accuracy: 20Hz - 20kHz / max. 0,3dB

Subsonic filter: at 18Hz with 24dB/octave

Power supply type: Mains-fed outboard power supply

Output voltage: 16V/1.000mA AC

Power consumption: 16V/850mA AC

Dimension W x H x D: 103 x 72 x 158mm

Weight: 1.050g without power supply

Potential incorrect use and fault conditions

No signal on one or both channels:

No connection between player and phono amplifier ore 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.

Output too quiet or too loud, or distorted:

MM / MC Mode incorrectly set - input overloading or insufficiently amplified.

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.

PRO-JECT is a Registered Trademark of H. Lichtenegger.

This guide was produced by: Audio Trade GmbH

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.

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