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Power Amplifier Section| continuous average power output into 8 ohms | 20 W |
|---|---|
| rated distortion (THD 20Hz-20kHz) | 0.05% |
| clipping power | 25 W |
| IHF dynamic headroom at 8 ohms | +3 dB |
| IHF dynamic power at 8 ohms | 40 W (17 dBW) |
| IHF dynamic power at 4 ohms | 60 W (17.8 dBW) |
| IHF dynamic power at 2 ohms | 80 W (18.7 dBW) |
| slew rate | >20 V/usec |
| damping factor (ref. 8 ohms 50Hz) | >100 |
| input sensitivity (for rated power into 8 ohms) | 1 V |
| voltage gain | X 60 (35.6 dB) |
| frequency response | 20Hz - 20kHz + 0.3 dB |
| signal/noise ratio, A weighted Min. vol. | 100 dB ref. 1W |
| THD (Total Harmonic Distortion, 20Hz-20kHz) | <0.05% |
| SMPTE I.M. (IM distortion, 60Hz+7kHz, 4:1) | <0.05% |
| IHF I.M. (CCIF IM distortion, 19+20kHz at rated output) | <0.05% |
Line Level Inputs| input impedance (R and C) | 80 k + 220 pF |
|---|---|
| input sensitivity (ref. rated power) | 210 mV |
| maximum input signal | >10 V |
| signal/noise ratio, A-weighted ref. 1W | 93 dB |
| signal/noise ratio, A-weighted ref. rated power | 106 dB |
| frequency response | 20Hz-20kHz +0.5 dB |
| infrasonic filter | -3dB at 10 Hz, 12 dB/octave |
Physical Specification| dimensions (Width x Height x Depth) | 435 x 65 x 250 mm |
|---|
Provides guidance on proper placement to avoid magnetic hum and ensure ventilation.
Details connecting the AC power cord, including UK-specific warnings.
Explains how to connect stereo speakers using binding posts and proper phasing.
Describes connecting audio signal cables from a CD player or similar source.
Details connecting the audio signal cable from a radio tuner.
Explains connecting any "line-level" audio signal sources.
Connects audio signals from video sources like VCRs or TVs.
Allows connecting tape recorders for playback and recording.
How to switch the amplifier on and off, with notes on switching sequence.
Adjusts the level of low frequencies, with notes on tone defeat.
Bypasses Bass and Treble circuits for precise flat frequency response.
Adjusts the level of high frequencies, with notes on tone defeat.
Glows green when the amplifier is switched on and ready.
Lights red if protection circuitry is activated due to faults.
Accepts 3.5mm stereo mini-jacks for portable audio devices.
Buttons to select the rear panel input signal for the amplifier.
Adjusts overall loudness, with independent left/right channel control.
Explains how to ensure speakers are in phase for optimal stereo imaging.
Discusses amplifier protection against overheating and stress.
Lists potential causes and checks for complete absence of sound.
Identifies causes for sound only in one speaker channel.
Addresses issues related to loud buzzing and humming noises.
Explains causes for hum specifically during tape playback.
Diagnoses issues with poor bass response and stereo soundstage.
Technical data for the amplifier's power output and performance.
Technical data related to the preamplifier stage inputs and outputs.
Dimensions and weight of the NAD 310 amplifier.
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