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Pro-Ject Audio Systems Tube Box DS2 User Manual

Pro-Ject Audio Systems Tube Box DS2
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INSTRUCTIONS FOR USE
Pro-Ject Tube Box DS2
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Pro-Ject Audio Systems Tube Box DS2 Specifications

General IconGeneral
TypePhono Preamplifier
Outputs1 x RCA
Tube complement2 x ECC83 (12AX7)
Inputs1 x RCA
Frequency Response20Hz - 20kHz
Power Supply15 V DC
Input Impedance47 kΩ
Noise Floor-80 dB
Signal-to-Noise Ratio80 dB

Summary

Safety and Connections

General Safety Precautions

Follow safety instructions, avoid wet conditions, keep flames away, and ensure correct power supply usage.

Record Player Connections

Connect tonearm signal leads to IN1/IN2. Connect earthing wire for hum issues.

Amplifier and Mains Connections

Connect outputs to amplifier line inputs. Connect power supply plug before mains.

Device Controls and Operation

Trigger Functionality

Utilize trigger input/output sockets (2.5mm, 12V) for remote power control of connected units.

Powering On and Standby

The front panel switch turns the unit on or to standby. A blue LED indicates power status.

Key Settings and Functions

Adjust input/output, subsonic filter, and gain settings. Changes store automatically.

Cartridge Compatibility and Specifications

Input Impedance Configuration

Set input impedance for low-output MC (variable 100-10000 ohm) or high-output MC/MM (47k ohm).

Input Capacitance Settings

Select input capacitance for high-output MC and MM cartridges (100pF, 220pF, 320pF).

Typical Cartridge Setup Examples

Provides recommended settings for common Ortofon MM and MC cartridges.

Technical Specifications

Details include tubes, impedance, capacitance, gain, output, noise floor, THD, and dimensions.

Troubleshooting, Service, and Warranty

Common Fault Conditions

Diagnose issues like no signal, hum, or distorted output related to connections or gain.

Service and Warranty Information

Contact dealer for unresolved issues. Manufacturer not liable for unauthorized modifications.

Copyright and Trademarks

Information copyright Pro-Ject Audio Systems © 2016. Manufacturer reserves right to change specs.

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