NAD 705 Manual de usuario

705

Stereo Receiver

Date of manufacture : Feb 92 - Oct 95

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note that this document contains the text from the original product brochure, and some technical statements may now be out of date

The NAD 705 provides all the power and control you need and more. Developed from the successful

402 and 300 Series circuits, the 705 tuner section is further refined to produce a remarkably clear, stable

signal with accurate tuning in 25 kHz steps, and the amplifier section has been uprated to 40 watts per

channel into 8 ohms/90watts into 4 ohms. Also permits input selection, A/B speaker selection, “mute”

and includes an NAD System remote control.

Soft Clipping and EDP circuits protect and enhance peak performance. Efficient tone controls and an

exceptionally quiet phono pre-amp allow further listening pleasure.

PRE-AMP SECTION

Phono input

Input impedance (R and C) 47kΩ/ 250pF

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

Signal/Noise ratio (A-weighted with cartridge connected) MM 76dB ref. 5mV

THD (20Hz - 20kHz) <0.04%

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

Line level inputs

Input impedance (R and C) 50kΩ/ 200pF

Input sensitivity (ref. 1W) 180mV

Maximum input signal >8V

Signal/Noise ratio (A-weighted ref 1W) 90dB

Frequency response (20Hz - 20kHz) +0.5dB, -1dB

Line level outputs

Output impedance Pre-amp 220Ω

Tape Source Z + 2kΩ

Maximum output level Pre-amp >8V

Tape >10V

Tone controls

Treble ±7dB at 10kHz

Bass ±10dB at 50Hz

POWER AMP SECTION

Continuous output power into 8Ω* 40W (16dBW)

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

Clipping power (maximum continuous power per channel) 50W

IHF Dynamic headroom at 8Ω+3.5dB

IHF dynamic power (maximum short term power per channel) 8Ω90W (19.5dBW)

4Ω130W (21dBW)

2Ω160W (22dBW)

Damping factor (ref. 8Ω, 50Hz) >60

Input impedance 20kΩ/ 560pF

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

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

Signal/noise ratio ref. 1W 100dB

ref. rated power 116dB

THD (20Hz - 20kHz) <0.03%

FM TUNER SECTION

Input sensitivity Mono -30dB THD+N 10dBf (0.9µV/75Ω)

Mono 50dB S/N 14dBf (1.4µV/75Ω)

Stereo 50dB S/N 35dBf (15µV/75Ω)

Stereo 60dB S/N 45dBf (50µV/75Ω)

Capture ratio (45 - 65dBf) <1.6dB

AM rejection (45 - 65dBf) >60dB

Selectivity 60dB

Image rejection >80dB

I F rejection >60dB

Harmonic distortion Mono 0.15%

Stereo 0.2%

Signal/Noise ratio Mono >82dB

Stereo >76dB

Frequency response ±0.5dB 30Hz - 15kHz

Channel separation at 1kHz >35dB

AM TUNER SECTION

Usable sensitivity 5µV

Selectivity 30dB

Image rejection 45dB

I F rejection 35dB

Signal/Noise ratio 45dB

Harmonic distortion 0.5%

Remote Yes

NAD Link Yes

PHYSICAL SPECIFICATIONS

Dimensions (W x H x D) 420 x 105 x 318mm

Net weight 6.6kg

Shipping weight 7.6kg

* 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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