NAD 304 Manuel utilisateur

304

Stereo Integrated Amplifier

Date of manufacture : Mar 93 - Oct 96

Please note that this document contains the text from the original product brochure, and some technical statements may now be out of date

The 304 essentially extends the 302 with power increased to 35 watts per channel into 8 ohms and

generous headroom permitting untroubled peaks of 120 watts per channel.

NAD’s unique Soft Clipping and Extended Dynamic Power circuits give the 304 the ability to deliver the

maximum impact for dramatic performances without loss of smoothness or clarity. Two sets of heavy

duty binding posts can be used for main plus extra speakers or for bi-wiring, adding to the 304’s

versatility. Its six inputs for audio and video components, provides an amplifier ideal for the most

sophisticated audio and AV systems.

PRE-AMP SECTION

Phono input

Input impedance (R and C) 47kΩ/ 200pF

Input sensitivity, 1kHz MM 2.5mV ref. 0.5V

Signal/Noise ratio (A-weighted with cartridge connected) MM 77dB ref. 5mV

THD (20Hz - 20kHz) <0.1%

RIAA response accuracy (20Hz - 20kHz) ±0.5dB

Line level inputs

Input impedance (R and C) 20kΩ/ 500pF

Input sensitivity (ref. 1W) 165mV

Maximum input signal >10V

Signal/Noise ratio (A-weighted ref 1W) 91dB

Frequency response (20Hz - 20kHz) ±0.5dB

Line level outputs

Output impedance Pre-amp 220Ω

Tape Source Z + 2kΩ

Phones 220Ω

Maximum output level Pre-amp >12V

Tape >10V

Phones >10V into 600Ω

>500mV into 8Ω

Tone controls

Treble ±7dB at 10kHz

Bass ±10dB at 50Hz

POWER AMP SECTION

Continuous output power into 8Ω* 35W (17dBW)

Rated distortion (THD 20Hz - 20kHz) 0.03%

Clipping power (maximum continuous power per channel) 42W

IHF Dynamic headroom at 8Ω+5.5dB

IHF dynamic power (maximum short term power per channel) 8Ω120W (21dBW)

4Ω160W (23dBW)

2Ω200W (23dBW)

Damping factor (ref. 8Ω, 50Hz) >100

Input impedance 18kΩ/ 560pF

Input sensitivity (for rated power into 8Ω)1V

Frequency response (20Hz - 20kHz) +0.3dB

Signal/noise ratio ref. 1W 102dB

ref. rated power 117dB

THD (20Hz - 20kHz) <0.03%

Remote No

NAD Link No

PHYSICAL SPECIFICATIONS

Dimensions (W x H x D) 420 x 108 x 320mm

Net weight 6.4kg

Shipping weight 7.8kg

* Minimum power per chnnel, 20Hz - 20kHz, both channels driven with no more than rated distiortion.

Dimensions are of unit’s cabinet without attached feet; add up to 18mm for total height.

Dimension depth excludes terminals, sockets, controls and buttons.

© NAD Electronics. All rights reserved. E & OE

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