Rotel A14MKII User Manual

A14MKII
Stereo Integrated Amplier
Amplicateur Stéréo Intégré
Stereo-Vollverstärker
Amplicador Integrado Estereofónico
Geïntegreerde stereoversterker
Amplicatore integrato stereo
Integrerad stereoförstärkare
Интегрированный стерео усилитель
Owner’s Manual
Manuel de l’utilisateur
Bedienungsanleitung
Manual de Instrucciones
Gebruikershandleiding
Manuale di istruzioni
Instruktionsbok
Инструкция пользователя

Rotel A14MKII Specifications

General

Power Output	80W per channel (8Ω)
Frequency Response	10Hz - 100kHz
Total Harmonic Distortion	<0.03%
Signal to Noise Ratio	100dB
Inputs	4 x RCA, 1 x Phono
Outputs	1 x Pre-out, 1 x Headphone
Dimensions	430 x 93 x 345 mm
PC-USB Input	Yes
DSD Support	Yes, DSD256
Bluetooth	aptX and AAC
DAC	Texas Instruments 32-bit/384kHz
Input Sensitivity	2.5mV (MM Phono)
Input Impedance	Line Level Inputs: 24kΩ, Phono Input (MM): 47kΩ
Digital Inputs	2 x Coaxial, 2 x Optical

Summary

Important Safety Instructions

Notice

Important notice regarding RS232 connection and user serviceable parts.

General Safety Precautions

Essential safety guidelines to prevent fire, electric shock, and ensure proper use.

Installation Clearance Requirements

Specifies the minimum unobstructed clearance required around the unit for ventilation and safety.

Electrical Safety Warnings

Warnings about electrical shock hazards and the importance of not opening the enclosure.

About Rotel

Getting Started

A Few Precautions

Important advice for system setup, handling, and initial operation.

Placement

Guidelines for positioning the amplifier to ensure optimal performance and longevity.

Cables

Recommendations for routing and selecting audio and power cables to minimize interference.

Remote Control Operation

Details on the remote control's functions and battery requirements.

AC Power and Control

Information on connecting power, using the power switch, and indicator lights.

12V Trigger Connection

Explanation of the 12V trigger output for controlling other components.

Protection Indicator

Input Signal Connections

Phono Input and Ground Connection

Instructions for connecting turntables and preventing hum.

Line Level Inputs

Connecting CD players, tuners, and other audio sources.

Digital Signal Inputs

Connecting digital sources via coaxial or optical cables.

Preamp Output

Speaker Outputs

Speaker Selector Switch

How to use the A-B speaker selector for different speaker configurations.

Speaker Selection

Considerations for speaker impedance when connecting multiple sets.

Speaker Wire Selection

Guidance on choosing speaker wire for optimal audio performance.

Polarity and Phasing

Ensuring correct connection polarity for proper sound staging.

Speaker Connection

Detailed steps for connecting speaker wires to binding posts.

Headphone Output

Display

Front USB Input

APTX Bluetooth Connection

Rear USB Power Port

Audio Controls

Volume Control

Adjusting volume using the front panel knob or remote control.

Balance Control

Adjusting the sound balance between left and right speakers.

Tone Control Bypass

Enabling or disabling the tone control circuitry for pure sound.

Bass and Treble Controls

Adjusting bass and treble levels when tone controls are active.

Source Input Selector

Dimmer Control

Display Dimmer

Adjusting the brightness of the front panel display.

LED Dimmer

Adjusting the brightness of the Power LED and Speaker Selector LEDs.

PC-USB Input

Rotel Link

EXT REM IN Jack

RS232 Connector

Network Connection

Settings Menu

TONE BYPASS

Enabling or disabling the tone control circuitry for pure sound.

BASS

Adjusting the bass level.

TREBLE

Adjusting the treble level.

BALANCE

Adjusting the left/right balance of the sound output.

DIMMER

Dimming the front display.

LED DIMMER

Dimming the Power LED and Speaker Selector LEDs.

POWER ON MAX VOL

Setting the maximum volume level when the unit is turned on.

POWER MODE

Configuring network control power mode (Quick or Normal).

USB POWER

Providing power to the rear USB port (Always or Normal).

OFF TIMER

Setting the automatic power-off timer for unused periods.

SIGNAL SENSE

Automatic power on/off based on audio signal detection.

FIXED GAIN

Configuring a fixed volume level for specific inputs.

PC-USB CLASS

Changing supported PC-USB Audio Class of the attached device.

PC-USB AUDIO MODE

Changing PC-USB Audio mode for MQA or PCM playback.

VIEW NETWORK

Viewing the network connection status and settings.

CONFIGURE NETWORK

Configuring the network IP settings using the remote control.

S/W VERSION

Checking and updating the unit's software version.

PC-USB VERSION

Displaying the current software version for the PC-USB processor.

FACTORY DEFAULT

Resetting the unit to its original factory settings.

Troubleshooting

Power Indicator Is Not Illuminated

Steps to troubleshoot when the power indicator does not light up.

Fuse Replacement

Guidance on when and how to replace the internal power fuse.

No Sound

Troubleshooting steps for when there is no audio output.

Cannot Connect via Bluetooth

Steps to resolve issues when pairing a Bluetooth device.

Playable Audio Formats

USB Apple (iPhone, iPod, iPad)

Supported file formats for Apple devices connected via USB.

APTX and AAC Bluetooth

Supported file formats for Bluetooth audio streaming.

PC-USB

Supported file formats for PC-USB connection.

Coax/Optical

Supported file formats for coaxial and optical digital inputs.

Specifications

General

Technical specifications for power requirements, dimensions, and weight.