NAD 2400 THX Power Envelope 2 Channel, High Current Power Amplifier. Exceptional Condition, as close to new as you will likely find, not a mark or scratch on it. It is a one owner and was seldom used. Designed with the Critical listener in mind the NAD 2400 is 34lbs of well designed and engineered receiver that was a product of Japan when electronics were made to last a lifetime. Anyone familiar with NAD made in Japan knows that they were designed with "Extra" in mind. Power ratings were 'minimum' numbers and were all capable of nearly double their stated outputs and for short bursts 3 or 4 times their rated power. Music sounds warm and alive through this NAD, I am sure nobody who hears it will be disappointed with it. The thing about having an amplifier built to these kind of exceptional standards is they never sound 'Out of Power' as quite a few others do when you ask them to perform above and beyond.
* The NAD 2400 has the same features and useful flexibility as the NAD 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.
If what this amplifier has for output is not enough for you the 4 channels of A and B outputs can be bridged nearly doubling the stated number output meaning you could use Speaker A for left channel and Speaker B for Right channel.
* Continuous output power into 8ohms is 100W RMS per channel through Speaker A
* Continuous output power into 4ohms is 160W RMS per channel through Speaker A
* Distortion at rated power output ~ (THD 20Hz - 20kHz) 0.03%
* Clipping power (maximum continuous power per channel) 130W (soft clipping engaged)
* IHF Dynamic headroom at 8 ohm is 5.7dB
* IHF dynamic power (maximum short term power per channel) 8ohm 370W per channel (25.7dBW),
4ohm 400W per channel (26dBW), 2 ohm 440W per channel (26.4dBW)
* Damping factor ~ (ref. 8ohm, 50Hz) greater than 100
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