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NAD 2155 User Manual

NAD 2155
12 pages
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ISTEREO
POWER
AMPLIFIER
AMPLI
DE
|
|
PUISSANCE
ease
STEREO
ENDSTUFE
:
INSTRUCTIONS
|
FOR
INSTALLATION
AND
OPERATION
MANUEL
D’
INSTALLATION
ET
D'UTILISATION
BEDIENUNGSANLEITUNG
|

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NAD 2155 Specifications

Power Amp Specifications IconPower Amp Specifications
continuous output power into 8Ω55W (17.4dBW)
rated distortion (THD 20Hz - 20kHz)0.03%
clipping power65W
IHF dynamic headroom at 8Ω+3dB
IHF dynamic power at 8Ω100W
IHF dynamic power at 4Ω100W
IHF dynamic power at 2Ω130W
damping factor (ref. 8Ω, 50Hz)>50
input impedance22kΩ
input sensitivity for rated power into 8Ω1.3V
THD (20Hz - 20kHz)<0.03%
Bridged Mode Specifications IconBridged Mode Specifications
continuous output power into 8Ω125W (21dBW)
IHF dynamic headroom at 8Ω+2.5dB
IHF dynamic power at 8Ω250W
Physical Specifications IconPhysical Specifications
dimensions (W x H x D)420 x 108 x 380mm
net weight7.8kg
shipping weight9.3kg
power consumption340W

Summary

Installation Notes

A Note on Installation

General advice on placement, ventilation, and heat management for the amplifier.

Rear Panel Connections

Input Jacks

Connects signal cables from preamplifier to amplifier inputs.

Soft Clipping

Circuit to limit distortion when the amplifier is overdriven.

Speaker Impedance

Adjusts amplifier for different speaker impedances (4 or 8 ohms).

Bridging

Combines two channels for increased monophonic output power.

AC Line Cord

Connects the amplifier to the AC power source.

AC Outlets

Provides switched and unswitched power outlets for other components.

Speakers A

Terminals for connecting the primary stereo speaker pair.

Speakers B

Terminals for connecting a second pair of loudspeakers or headphones.

Front Panel Controls

Power

Button to switch the amplifier and connected accessories on or off.

Phones

Jack for connecting stereo headphones for private listening.

Status Indicators

Lights indicating power status, protection, and soft clipping.

Speaker Selector

Buttons to select which speaker pair (A, B, or both) is active.

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