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  NAD  2600
power  amplifier
NAD  2600  power amplifier
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SOLD July 2008 on trademe to Henderson
S/N: 80308384
  NAD  2600 power amplifier  specifications                         Back to NRPavs Home  
    NAD  2600  bridgeable stereo power amplifier
The NAD 2600 is one of the most powerful amplifiers available. Reproducing musical dynamics, the 2600 effortlessly delivers 400 - 600 watts per channel. With speakers of complex impedance and lower than average sensitivity, the 2600 has produced peak sound pressure levels exceeding 115dB SPL. But in size, heat dissipation, and cost, the NAD 2600 is similar to other amplifiers that share its conservative sine-wave rating of 150W RMS per channel.

Few listeners will ever need more power, but the two channels of the 2600 can be bridged to create a single-channel PA or subwoofer amplifier whose tone burst output exceeds 1200 watts into 8 ohms.

The 2600 employs the finest selected parts in critical locations, including polypropylene film capacitors and high speed semiconductors for wide bandwidth and extremely low distortion. Using high-gain 25MHz driver and output devices, the fully complimentary output circuit delivers peak output currents exceeding 50 amperes, together with a peak-to-peak voltage swing of 190V to handle the most dynamic signals. Yet with class A operation at low levels and a signal-to-noise ratio of 122dB, it also provides transparent, ultra-clear reproduction of quiet sounds and the smallest details. The result is that the 2600 behaves like a 500W amplifier when reproducing the dynamics of music, but it becomes a 150W amp when fed continuous sine-wave test tones.

FIVE reasons why NAD amplifiers SOUND BETTER :
  1]   Ultra-Low noise - the musical realism of an amplifier depends as much on its transparent reproduction of subtle details as on its solid handling of big climaxes. In NAD amplifiers all circuits operate at low impedances so that no low-level hiss or hum can intrude on the quiet background of the music. And there are no noisy heat-dissipating fans - NAD amplifiers are as silent acoustically as they are electronically.

  2]   Controlled Bandwidth - With today's technology it is easy to produce ultra-wide bandwidth. But this may cause the amp to waste power amplifying non-musical signals that you can't or don't want to hear, including interference from nearby digital circuits and CB radios. Worse, this interference causes distortion that you can hear. Therefore all NAD equipment contains filters that block spurious interference, amplifying only the music.

  3]   Absolute immunity to Transient Intermodulation Distortion - NAD amplifiers have ultra-wide internal bandwidth, so they cannot be driven into transient intermodulation or slew-induced distortion by any audio signal or combination of signals.

  4]   High Current for Low Impedance - Many loudspeakers have a complex impedance curve that is lower than 8 ohms at some frequencies. The lower and more complex the impedance, the more output current the amplifier must deliver. A special rear panel switch optimizes NAD amplifiers for 8 ohms or for low impedances [ 2 - 6 ohms ].

  5]   Adaptive Soft Clipping - NAD premiered the use of Soft Clipping in solid state amplifiers, gently rounding off waveform corners when the amplifier is overdriven. This eliminates any harsh power-supply buzz and high-order distortion.

Specifications :   Continuous power [ min RMS per channel 20Hz - 20kHz less than rated distortion into 8 ohms ]:
  -:®:-   150W RMS   -:®:-   Rated distortion [ THD, 20Hz - 20kHz ] 0.03%
  -:®:-   Clipping Power 200W   -:®:-   Dynamic headroom +4dB
  -:®:-   IHF Dynamic Power x 2 at 8 ohms: 400W    4 ohms 600W   2ohms 800W;
  -:®:-   RIAA response accuracy : ▒0.5dB
  -:®:-   Damping Factor [8 ohms, 50Hz]: > 120
  -:®:-   Slew Factor > 50   -:®:-   Slew Rate > 35V / Ásec
  -:®:-   Input impedance R = 20kohms, C = 820 pF
  -:®:-   Input sensitivity [ 1W out / rated power ]: 90mV / 1.1V   -:®:-   Voltage Gain 32 x [ 30dB ]
  -:®:-   Signal to Noise Ratio [ 1W / 150W, A-weighted ]: 100 / 122dB

Bridged Monophonic MODE :   Continuous power [ min RMS per channel 20Hz - 20kHz less than rated distortion ]:
  -:®:-   8 ohms 1200W RMS
  -:®:-   4 ohms 1600W   -:®:-   Dynamic headroom +5dB

Dimensions :  -:®:-   Dimensions [ W x H x D ] : 435 x 127 x 390mm  -:®:-   Weight : 13kg    packed weight : 14.3kg
  -:®:-   NAD 2600 amplifier S/N: 80308384

   SOLD July 2008 on trademe to Henderson


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