Cyrus 1 User Manual

Cyrus 1 and Cyrus 2 Manual
CYRUS AMPLIFIERS
INTRODUCTION
Congratulations on your purchase of the Cyrus integrated stereo amplifier.
The Cyrus range of amplifiers are precision manufactured to the highest
standards and specifications. This results in a highly consistent and
reliable product.
This manual contains installation and operating instructions to enable the
user to connect up and operate the amplifier correctly, thus ensuring the
greatest satisfaction and long term use.
WARNINGS
Your Cyrus amplifier is factory set to operate from a fixed mains supply
voltage. This voltage is marked on a label on the rear of the unit. Before
connecting, check that this voltage is the same as your mains supply.
BEFORE CONNECTING to the mains supply ensure that the On/Off switch
is set to off (down).
DO NOT remove the amplifier cover under any circumstances.
DO NOT make any connections to, or disconnections from the amplifier
unless the amplifier is OFF and the VOLUME control is set to "MIN".
DO NOT change the position of the Selector switches unless the VOLUME
control is set to "MIN".
DO NOT ever select tape on both selector switches at the same time.
DO NOT allow the positive and negative speaker leads to touch.
DO NOT obstruct the ventilation grille on the top of the amplifier. Ensure
the unit has adequate all round ventilation.

Cyrus 1 Specifications

General

Type	Integrated Amplifier
Input Impedance	47kΩ
Weight	5.5kg
Power Output	25W per channel into 8 Ohms
Dimensions	73mm x 215mm x 360mm

Summary

Safety Warnings

General Amplifier Safety Precautions

Crucial safety guidelines to prevent damage and ensure proper operation of the amplifier.

Installation and Setup

Mains Power Connection

Guide to connecting the amplifier to mains power, including voltage checks and cable specifications.

UK Mains Plug Wiring

Step-by-step instructions for wiring the mains cable to a UK plug with the correct fuse.

Fuse, Siting, and Connection

Details on fuse ratings, optimal amplifier placement, and pre-connection safety checks.

Cyrus I Amplifier Details

Front Panel Controls Guide

Explanation of the Volume, Balance, and Selector switches on the Cyrus I front panel.

Rear Panel Connections (Cyrus I)

Identification and description of all input and output sockets on the rear panel of the Cyrus I.

Technical Specifications

Cyrus I Amplifier Specs

Comprehensive technical performance data for the Cyrus I integrated amplifier.

Cyrus II Amplifier Specs

Comprehensive technical performance data for the Cyrus II integrated amplifier.

Cyrus PSX Power Supply

PSX Introduction and Benefits

Overview of the PSX unit and its function in enhancing amplifier performance.

PSX Installation and Setup

Guide to installing the PSX, including mains connection, cable, fuse, and siting.

PSX System Integration and Operation

How the PSX controls amplifier power and connects to the audio system.

PSX Troubleshooting Scenarios

Solutions for common operational issues encountered with the PSX and amplifier combinations.