| Title | Value |
|---|---|
| STEREO mode | STEREO mode |
| Continous average power output : | 2x 150W (21,7dBW ; min. RMS, 8 Ohm, 20Hz...20Khz) |
| THD : | 0,002% (20Hz...20Khz) |
| SMPTE IMD : | < 0,003% (from 250mW to rated output) |
| IHF IMD : | < 0,03% (CCIF IMD, 19 + 20Khz at rated output) |
| Clipping power : | 2x 200W |
| IHF dynamic headroom : | + 4dB (8 Ohm) |
| IHF dynamic power : | 2x 400W (8 Ohm, max. short-term power output) |
| 2x 600W (4 Ohm, max. short-term power output) | |
| 2x 800W (2 Ohm, max. short-term power output) | |
| Slew factor : | > 50 |
| Slew rate : | 35V /µs |
| Damping factor : | 120 (8 Ohm / 50Hz) |
| Input for rated power : | 20kOhm / 820pF |
| Input for 1W output : | 90mV |
| Input for 150W output : | 1,1V |
| Frequency response : | 3Hz...80Khz (LAB input, +0 / -3dB) |
| Voltage gain : | x 32 (30dB) |
| Infrasonic filter : | -3dB at 15Hz (12dB /octave) |
| Ultrasonic filter : | -3dB at 40Khz (12dB /octave) |
| S/N ratio : | 100dB (A-weighted, for 1W output) |
| 122dB (A-weighted, for 150W output) | |
| MONO mode | MONO mode |
| Continous average power output : | 1x 500W (27dBW ; min. RMS, 8 Ohm, 20Hz...20Khz) |
| IHF dynamic headroom : | + 4dB (8 Ohm) |
| IHF dynamic power : | 1x 1200W (31dBW, 8 Ohm, max. short-term power output) |
| 1x 1600W (32dBW, 4 Ohm, max. short-term power output) | |
| General | General |
| PC : | 770W (110 / 120 / 220 / 240V AC) |
| Dimensions : | 43,5 x 12,7 x 39,5cm |
| Weight : | 13kg. |
| List price : | 748$ (2600 ; august 1987) |
| optional : | rack handles with red or black inserts (red strongly recommended) |
NAD 2600
NAD 2600PE
NAD 2600A
1986
1988
When NAD had a good design team.
The 2600 is a Monitor Series power-amplifier with a "lab" input (to be fed from the preamp out and bypass input controls), 1x 1,6kW (at best) of peak output available maintained in listenable regions with NAD's staple Soft-Clipping circuit.
That much output goes with the Power Envelope circuit : two voltage rails for high and low power ranges. When listening loud, switching back and forth between rails therefore happens...
I believe the 2600 was also available without the PE circuit (?) and there also was a 2600A (with Power Envelope) - differences ?
Of course, to offer as much for as little as 598$ in 1987, the actual build-quality is far from luxurious or even beautiful and inside is no Bugatti : one biggamonster EI trafo, two long sharkfin heatsinks and lots of hectic cabling made in Taiwan.
But the 2600 works and was planned to do that for a long time.
And it is pretty, because, then, NAD, like Proton, really had a very good design team.
The owner's manual is still available for download at NAD's NAD's - that's for the 2600A.
page online since : november 2011
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