M22
The M22 is a stereo power amplifier with line-level RCA and XLR inputs and speaker outputs, rated above 250W per channel into 8 and 4 ohms. It is an archived model, suited to hi-fi systems needing a separate power stage.
- Over 250W per channel into 8 and 4 ohms
- THD+N below 0.003% at rated power
- RCA and XLR line inputs
- 29dB voltage gain, 1.6V input sensitivity
- Signal-sensing auto trigger from 10mV
- Archived, no longer sold by the maker
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The M22 is a two-channel power amplifier that takes line-level signals and drives loudspeakers. It is rated at more than 250W per channel into 8 and 4 ohms with both channels driven, with distortion below 0.003% across the rated range. Clipping power into 8 ohms is above 300W, and dynamic power figures are given for 8, 4 and 2 ohm loads.
Inputs are available on both RCA and XLR connectors, with a voltage gain of 29dB and an input sensitivity of 1.6V at rated power. A signal-sensing auto trigger responds to inputs from 10mV at 1kHz, and standby draw is below 0.5W. Signal-to-noise is above 120dB at rated power, and the damping factor exceeds 800.
The chassis measures 435 x 103 x 379mm and weighs 8.9kg. The maker lists the product as archived and no longer for sale. A data sheet, a Hybrid Digital white paper and manuals in nine languages are provided for download.
Видео
Спецификации
- Марка
- NAD
- Модел
- M22
- Категория
- Hi-Fi и домашно аудио › Усилватели
Audio
- Continuous output power (8 and 4 Ohms, stereo)
- >250W (at rated THD, 20Hz-20kHz, both channels driven)
- THD+N 20Hz-20kHz, CCIF IMD, SMPTE IMD, DIM 100
- <0.003% (250mW to rated power, 8 Ohms and 4 Ohms)
- Clipping power (8 Ohms)
- >300W (at 1kHz 0.1% THD)
- IHF dynamic power, 8 Ohms
- 355W
- IHF dynamic power, 4 Ohms
- 640W
- IHF dynamic power, 2 Ohms
- 620W
- Peak output current
- >50A (ref. 1 Ohm, 1ms)
- Signal/noise ratio, A-weighted, ref. 1W
- >98dB
- Signal/noise ratio, A-weighted, ref. rated power
- >120dB
- Damping factor
- >800 (ref. 8 Ohms, 50Hz and 1kHz)
- Frequency response
- 3Hz-30kHz (ref. -3dB)
- Voltage gain
- 29dB
Inputs
- Input impedance, RCA
- 17 kilohm + 200pF
- Input impedance, XLR
- 200 kilohm + 100pF
- Input sensitivity
- 1.6V (ref. rated power)
- Minimum input level for auto trigger
- 10mV at 1kHz
Power
- Standby power
- <0.5W
- Idle power
- 40W
Physical
- Dimensions (W x H x D), gross
- 435 x 103 x 379mm
- Net weight
- 8.9kg (19.6lb)
- Shipping weight
- 15kg (33.1lb)