NAD 2400 Manual de usuario
2400
Stereo Power Amplifier
Date of manufacture : ?
Please note that this document contains the text from the original product brochure, and some technical statements may now be out of date
The 2400 has the same features and useful flexibility as the 2100 but produces significantly higher levels
of real speaker-driving power. With continuous test tones its output is conservatively rated at IOU watts
per channel, while its Power Envelope circuitry produces 370 to 440 watts channel of tone-burst power
for music.
The high-current output stage of the 2400 delivers peak currents up to 40 amperes for precise control
of voice-coil motion with speaker impedances as low as 2 ohms. In bridged mono operation the 2400
produces over 2OO watts of steady-state power and over 800 watts of dynamic tone-burst power. To
enable the user to make the fullest use of the available power, a warning light illuminates if the
amplifier is over-driven into distortion or exhibits any deviation from linearity. A high-precision circuit
continually compares the input and output signals and flashes the LED if a potentially audible difference
is detected.
Each stage of the amplifier (input, driver, and output) is individually decoupled from the power supply to
prevent the dynamic supply-modulation distortion that causes some amplifiers to sound “veiled” and
muddy.
POWER AMP SECTION
Continuous output power into 8Ω* 100W (20dBW)
Rated distortion (THD 20Hz - 20kHz) 0.03%
Clipping power (maximum continuous power per channel) 130W
IHF Dynamic headroom at 8Ω+5.7dB
IHF dynamic power (maximum short term power per channel) 8Ω370W (25.7dBW)
4Ω400W (26dBW)
2Ω440W (26.4dBW)
Damping factor (ref. 8Ω, 50Hz) >100
Input impedance 20kΩ/ 600pF
Input sensitivity (for rated power into 8Ω)1V
Frequency response 3Hz - 100kHz / +0, -3dBdB
Signal/noise ratio ref. 1W 98dB
ref. rated power 118dB
THD (20Hz - 20kHz) <0.03%
Bridged Mode
Continuous output power into 8Ω* 200W (23dBW)
IHF Dynamic headroom at 8Ω+6dB
IHF dynamic power (maximum short term power per channel) 8Ω800W (29dBW)
4Ω880W (29.4dBW)
PHYSICAL SPECIFICATIONS
Dimensions (W x H x D) 435 x 127 x 385mm
Net weight 10kg
Shipping weight 12kg
Power consumption (120 ~ 240V, 50/60Hz) 390VA
* 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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