Accustic Arts PREAMP I - MK 3 User Manual

2
To our valued customer and music enthusiast,
With the purchase of your PREAMP I – MK 3 from ACCUSTIC ARTS
®
you have opted for a product
which incorporates the most modern technology to achieve excellent sound and quality. To make sure
that you have pleasure for as long as possible with your preamplifier we kindly ask you to thoroughly
read this instruction manual through to the end.
We wish you many enjoyable hours of listening to music with your new unit.
SCHUNK AUDIO ENGINEERING – The home of ACCUSTIC ARTS
®
1 PREAMP I – MK 3 highlights
 Fully balanced premium preamplifier with professional exceptionally low ohm and extremely
low distortion Class A output stage using technology derived from studio engineering
 Premium quality ICs: 4 x selected Burr Brown
®
OPA 627 for fully balanced signal paths; 4 x
selected Burr Brown
®
OPA 2107 for unbalanced signal paths
 Circuit topology optimized for very short signal paths
 Magnetically shielded and encapsulated 75 VA toroidal core transformer for high output reserves
 3 x fully balanced high level inputs (XLR)
 2 x unbalanced high level inputs (RCA)
 1 x unbalanced input (RCA) is configured as “SURROUND BYPASS”
 2 x fully balanced outputs (XLR) e.g. for Bi-Amping configurations
 1 x unbalanced output (RCA) e.g for a separate active subwoofer
 Premium quality relays and premium quality switch (“Made in Germany”) with gold-plated silver
contacts for the input selection
 Encapsulated high grade volume potentiometer for regulating the volume
 Fully aluminium-made remote control for volume
 ACCUSTIC ARTS
®
PREAMP I – MK 3 is “Handmade in Germany”

Accustic Arts PREAMP I - MK 3 Specifications

General

Brand	Accustic Arts
Model	PREAMP I - MK 3
Category	Amplifier
Language	English

Summary

PREAMP I MK 3 Highlights

Important Safety Instructions

General Safety Precautions

Essential safety guidelines for operating the preamplifier, covering electrical hazards, environment, and usage.

Unpacking the Preamplifier

Preamplifier Positioning

Installation and Start-up

Application Possibilities

Explore how the PREAMP I – MK 3 works with other audio components and brands.

Analog Input Usage

Connect and use analog inputs IN 1 through IN 5 for various music sources.

Surround Bypass Input

Understand the special SURROUND BYPASS input for surround processors and its limitations.

Line Output Connections

Connect balanced and unbalanced line outputs to power amplifiers or subwoofers.

Mute Function

Utilize the MUTE button for temporary audio interruptions and proper unit shutdown.

Mains Power Connection

Follow steps to safely connect the preamplifier to the mains power supply.

Fuse Replacement Guide

Instructions and fuse specifications for safely replacing damaged mains fuses.

Equipment Care and Maintenance

Troubleshooting Common Issues

Technical Specifications