NAD 7600 Manuel utilisateur

7600

Stereo Receiver

Date of manufacture : Jan 87 - Jun 90

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note that this document contains the text from the original product brochure, and some technical statements may now be out of date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 7600 is one of the world’s most powerful, most sensitive, and most flexible stereo receivers. It

consists of NAD’s three finest Monitor Series stereo separates 11300 Preamplifier, 4300 Tuner, and

2600A Power Amplifier), combined on a single chassis and operated by infrared remote control.

The 7600 is rated at 150 watts/channel for continuous test tones, but its Power Envelope circuitry

produces much higher levels of tone-burst power for music. Even with compressed recordings of rock

music in which the peaks are only a few dB higher than the aver-age power, the 7600 maintains a

clipping level above 500 watts per channel into the complex 4-ohm impedance that is typical of real

loudspeakers. In bridged mode a 7600 matched with a 2600A will deliver nearly 3000 watts of dynamic

power into a pair of such speakers. The FET-input MM phono stage, employing eight selected low-noise

transistors per channel, combines superb sound-stage imaging and detail with superior rejection of

digital and radio-frequency interference. A separate class-A pre-preamplifier furnishes exquisitely quiet,

wide-range moving-coil playback. The line-level circuits in the 7600, including its feedback-operated

volume control, have a 118dB signal/noise ratio that preserves all the delicacy and purity of low-level

musical information. Bass EQ and semi-parametric tone controls provide flexible sonic tailoring to

compensate for differences in recordings, speakers, and listening rooms.

The tuner section of the 7600 shares the unique ultra-sensitive front end of the 4300. Together with

NAD’s FM NR noise-reduction system, it provides exceptionally clear and quiet reception of weak signals.

Whether you use the convenient rotary knob, the 16 presets, or the remote control for tuning, you are

assured of crystal-controlled digital accuracy.

Combining convenience with superbly musical performance, the NAD 7600 is a no-holds-barred product

that establishes new standards in receiver design.

PRE-AMP SECTION

Phono input

Input impedance (R and C) MM 47kΩ/ 120pF

MC 47kΩ/ 120pF

Input sensitivity, 1kHz MM 0.28mV ref. 1W

MC 0.02mV ref. 1W

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

MC 76dB ref. 5mV

THD (20Hz - 20kHz) <0.04%

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

Line level inputs

Input impedance (R and C) 50kΩ/ 250pF

Input sensitivity (ref. 1W) 15mV

Maximum input signal >10V

Signal/Noise ratio (A-weighted ref 1W) 96dB

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

Line level outputs

Output impedance Pre-amp 600Ω

Tape Source Z + 1kΩ

Maximum output level >10V

Tone controls

Treble ±12dB at 3, 6 or 12kHz

Bass ±12dB at 50, 120 or 250Hz

Bass EQ +3dB at 60Hz

+6dB at 36Hz

Infrasonic filter (Switchable) -3dB at 14Hz, 12dB / octave

POWER AMP SECTION

Continuous output power into 8Ω* 150W (21.7dBW)

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

Clipping power (maximum continuous power per channel) 170W

IHF Dynamic headroom at 8Ω+4dB

IHF dynamic power (maximum short term power per channel) 8Ω400W (26dBW)

4Ω600W (28dBW)

2Ω800W (29dBW)

Damping factor (ref. 8Ω, 50Hz) >120

Input impedance 30kΩ/ 1500pF

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

Frequency response 3Hz - 80kHz +0, -3dB

Signal/noise ratio ref. 1W 100dB

ref. rated power 122dB

THD (20Hz - 20kHz) <0.03%

Bridged Mode

Continuous output power into 8Ω* 400W (26dBW)

IHF Dynamic headroom at 8Ω+5dB

IHF dynamic power (maximum short term power per channel) 8Ω1.2kW (31dBW)

4Ω1.4kW (31.5dBW)

FM TUNER SECTION

Input sensitivity Mono -30dB THD+N 9dBf (0.8µV/75Ω)

Mono 50dB S/N 12dBf (1.1µV/75Ω)

Stereo 50dB S/N 24dBf (4.5µV/75Ω)

Stereo 60dB S/N 35dBf (15µV/75Ω)

Capture ratio (45 - 65dBf) <1.5dB

AM rejection (45 - 65dBf) >70dB

Selectivity, alternate channel 80dB

Selectivity, adjacent channel 10dB

Image rejection >120dB

I F rejection >100dB

Harmonic distortion Mono 0.07%

Stereo 0.07%

Signal/Noise ratio Mono 85dB

Stereo 80dB

Frequency response ±0.5dB 30Hz - 15kHz

Channel separation at 1kHz 55dB

AM TUNER SECTION

Usable sensitivity 200µV

Selectivity 55dB

Image rejection 50dB

I F rejection 35dB

Signal/Noise ratio 45dB

Harmonic distortion 0.5%

Remote Yes

NAD Link No

PHYSICAL SPECIFICATIONS

Dimensions (W x H x D) 435 x 162 x 422mm

Net weight 15.4kg

Shipping weight 16.3kg

Power consumption (120 ~ 240V, 50/60Hz) 700VA

* 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.

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