T 777
The T 777 is a 7-channel AV surround sound receiver from NAD, rated at 7 x 140W (FTC), with an AM/FM tuner with RDS. It is an archived model that is no longer sold new, aimed at home theatre setups needing a multichannel amplifier and preamp in one chassis.
- 7 x 140W FTC, 7 x 80W all channels driven at 8 Ohms
- Seven-channel AV receiver with built-in AM/FM tuner and RDS
- THD+N below 0.08% at rated power
- Preamp THD+N below 0.01%, S/N above 88dB
- Standby power below 0.5W
- Archived model, RS232 codes published
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The T 777 combines a seven-channel power amplifier, a surround preamplifier and an AM/FM tuner in a single chassis measuring 435 x 172 x 425mm and weighing 20.5kg. Power is rated at 7 x 140W under FTC conditions and 7 x 80W with all channels driven at 8 Ohms, with distortion below 0.08% at rated power and a damping factor above 60.
The preamplifier section lists a frequency response of ±0.5dB from 20Hz to 20kHz, THD+N below 0.01% and a signal-to-noise ratio above 88dB. The tuner covers 87.50MHz to 108.50MHz on FM with RDS decoding, and 530kHz to 1710kHz on AM in the 120V version. Standby power draw is below 0.5W.
A data sheet, an English manual and RS232 control codes are published for the model, which indicates support for integration with external control systems. The listing is marked as archived and no longer for sale by the maker.
Video
Tehnilised andmed
- Bränd
- NAD
- Mudel
- T 777
- Kategooria
- Hi-Fi ja kodune heli › Võimendid
Amplifier
- Power output (FTC)
- 7 x 140W
- Full Disclosure Power (all channels driven simultaneously)
- 7 x 80W (19dBW)
- Dynamic power, 8 Ohms
- 160W
- Dynamic power, 4 Ohms
- 260W
- THD + N at rated power
- <0.08%
- IM distortion at rated power
- <0.08%
- Damping factor, 8 Ohms
- >60
- Input sensitivity and impedance
- 1.15V (ref. 8 Ohms, VOL at 0dB)
- Frequency response
- ±0.8dB (ref. 1kHz, 20Hz-20kHz)
- Signal/noise ratio
- >92dB (ref. rated power at 8 Ohms, A-Weighted)
Preamplifier
- Frequency response
- ±0.5dB (ref. 20Hz-20kHz)
- Signal/noise ratio
- >88dB (ref. 2V, A-Weighted)
- THD + N
- <0.01%
- Input sensitivity
- 330mV (ref. 2V)
- Maximum output level
- >4V
Tuner
- AM tuning range
- 530kHz - 1710kHz (120V version, 10kHz steps)
- AM usable sensitivity
- 55dBμV
- AM signal/noise ratio
- 38dB
- AM total harmonic distortion
- <3%
- AM loop sensitivity 20dB S/N
- 66dBμV
- FM tuning range
- 87.50MHz - 108.50MHz
- FM usable sensitivity, mono
- <9dBμV
- FM signal/noise ratio, mono
- 60dB
- FM signal/noise ratio, stereo
- 55dB
- FM distortion, mono
- 0.7%
- FM distortion, stereo
- 1.0%
- RDS decode sensitivity
- 28dBμV
Physical
- Dimensions (W x H x D, gross)
- 435 x 172 x 425mm
- Net weight
- 20.5kg (45.2lb)
- Shipping weight
- 24.2kg (53.4lb)
Power
- Standby power
- <0.5W