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Cambridge Audio CXA81 User Manual

Cambridge Audio CXA81
14 pages
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CXA61/81
1
CXA61/81
INTEGRATED AMPLIFIER
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Cambridge Audio CXA81 Specifications

General IconGeneral
DACESS Sabre ES9016K2M
BluetoothaptX HD
Weight8.7 kg (19.1 lbs)
Max Power Consumption750W
Standby Power Consumption<0.5W
Input Impedance47k Ohms
Power Output80 Watts RMS into 8 Ohms, 120 Watts RMS into 4 Ohms
Frequency Response<5Hz - 60kHz +/-1dB
Inputs4 x RCA, 1 x XLR, 1 x Coaxial, 1 x USB
Outputs1 x pre-out, 1 x subwoofer out, 1 x headphone out
Dimensions115 x 430 x 341 mm (4.5 x 16.9 x 13.4")
Input Sensitivity370mV RMS (RCA) 370mV RMS (Balanced)

Summary

Important Safety Instructions

Ventilation

Ensuring proper airflow and avoiding obstructions for safe operation.

Limited Warranty

Obtaining Warranty Service

Contact authorized dealers for repairs, providing proof of purchase.

Rear Panel Connections

Loudspeaker Terminals

Connect speakers to terminals A and B, ensuring correct polarity and secure connections.

USB Audio In

Connect PCs/Macs for audio playback via USB B type socket.

Front Panel Controls

Volume Control

Adjusts the sound level for all outputs.

Remote Control

Standby/On

Switches the unit between On and Standby mode.

Volume Up/Down

Adjusts the volume level.

Connections

Balanced Audio Connections (CXA81 Only)

Connect to sources with balanced outputs for noise rejection.

USB Audio Connection

Connect PCs/Macs for audio playback; follow connection guidelines.

Setup Menu and Bluetooth

Advanced USB Audio

Configure USB Audio Class 1 or Class 2 for PC/Mac/Linux compatibility.

USB Mode Selection

Choose between USB Audio Class 1 or Class 2 modes.

Bluetooth Pairing

Pair your device with the CXA by selecting the Bluetooth input.

CAP5 - Five Way Protection System

DC Detection

Protects speakers from DC voltage faults.

Over Temperature Detection

Protects against overheating due to high listening levels or low impedance.

Overvoltage/Overcurrent Detection

Protects output transistors by monitoring voltage and current.

Short Circuit Detection

Detects short circuits at speaker terminals during power-up.

Intelligent Clipping Detection

Automatically reduces volume when amplifier clipping is detected.

Troubleshooting

No Power

Check AC connection, wall socket, and fuses.

No Sound

Verify unit is not in standby, source is connected, and speakers are selected.

Technical Specifications

Power Output

Continuous power output ratings for CXA81 and CXA61.

Inputs and Outputs

Lists all available input and output connections.

USB Audio Input

Specifies USB audio input type and compatibility.

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