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NAD 3130 User Manual

NAD 3130
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NAD 3130 Specifications

General IconGeneral
Frequency Response20Hz to 20kHz
Total Harmonic Distortion0.03%
Damping Factor50
Input Sensitivity2.5mV (MM), 150mV (line)
Speaker Load Impedance4Ω to 16Ω
Power Output30 watts per channel into 8Ω (stereo)
Dimensions420 x 96 x 240mm

Summary

Rear Panel Connectors

Power and Accessory Connections

AC Line Cord and Convenience Outlets for power and component hookup.

Speaker Connections

Terminals for Speakers A and Speakers B sets.

Phono and Signal Inputs

Phono Ground, Phono Input, Tuner, CD, Video, and Tape jacks.

Control and Configuration Switches

MM MC Selector, Soft Clipping, Speaker Impedance settings.

Front Panel Controls Overview

Power and Listening Controls

Power button, Headphones jack, Speaker Selector, Volume/Balance.

Tone and Sound Shaping Controls

Bass, Treble, Bass EQ, Intrasonic Filter Defeat.

Source Selection and Monitoring Controls

Input Selector, Tape Monitor, Mono, Low Level, Loudness Compensation.

Installation and Safety Notes

Power Transformer Hum Field Warning

Warning about placing turntables near the amplifier due to hum.

Ventilation Requirements

Need for adequate airflow to prevent overheating.

Liquid Spill and Shock Hazard Caution

Caution against liquid entering the amplifier and shock hazard.

Servicing and Modification Prohibition

Do not open or modify; refer to qualified technician.

Rear Panel Connections Details

AC Line Cord Connection

Plug the AC line cord into a "live" wall socket.

AC Convenience Outlet Usage

Outlets for connecting other stereo components, switched or unswitched.

Speaker Wire Gauge Recommendations

Guidance on choosing appropriate wire gauge based on length and impedance.

Speaker Terminal Connection Methods

How to connect speaker wires using bare wire or banana plugs.

Speaker Phasing Check

How to check and ensure correct stereo speaker phasing for optimal sound.

Input and Speaker Connections

Speakers B Connection and Usage

Connecting a second pair of speakers and using them for ambience.

Phono Ground Connection

Connecting the turntable's ground wire to the amplifier.

Phono Input Connection

Connecting the turntable's audio output cables to the phono input.

MM/MC Selector Setting

Setting the selector for MM or MC cartridges based on output.

Tuner Input Connection

Connecting the audio signal cable from a tuner.

CD Input Connection

Connecting a CD player or other line-level source.

Video Input Connection

Connecting audio from video sources like VCRs or TV tuners.

Tape Rec/Play Connection for Recorders

Connecting tape decks for recording or playback.

Tape Rec/Play Connection for Processors

Using jacks for accessories like dynamic range processors.

Advanced Features and Controls

Signal Processing Connections

Preamp Out/Main In for processors, Tape Monitor functionality.

Speaker Configuration Controls

Speaker Impedance Selection, Speaker Selector Usage.

Bass and Treble Tone Controls

Bass Control Operation, Treble Control Operation.

Bass EQ and Filter Functions

Bass EQ, Infrasonic Filter, and related cautions.

Mono Mode and Soft Clipping

Mono Mode Operation, Soft Clipping Circuit Function.

Operational Controls Explained

Input Selector Function

How to select the audio input source for playback or recording.

Low Level Output Control

Function of the Low Level button to reduce output by 20 dB.

Loudness Compensation Function

Circuit to boost bass/treble at low volumes for tonal balance.

Volume and Balance Control Operation

Adjusting overall loudness and left/right channel balance.

Overload Protection Information

How the amplifier handles low impedance loads and prevents overheating.

Trouble-Shooting Guide

No Sound or Channel Issues

Possible causes for complete lack of sound or sound in only one channel.

Hum, Noise, and Buzz Issues

Causes and solutions for hum in phono or tape playback.

Bass and Stereo Imaging Problems

Causes for poor bass response and diffuse stereo imaging.

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