NAD C300 Manuel utilisateur

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NAD has a formidable reputation when it comes to integrated amplifiers.

The NAD 3020, which is widely regarded as a milestone amplifier; the 310

with its unusual circuit topology offering performance at a price not

deemed possible and recently the all new C320, which is taking the world

by storm, are some examples underscoring this reputation.

The C300 is Erik Edvardsen’s latest amplifier design, partly a continuation

of the C320 and a redevelopment of the 310. The C300’s pre-amp circuit

topology is virtually the same as that of the award-winning C320. Whereas

the 310 used a combination of MOS-FET and Bi-polar output stage, the

C300 uses an entirely MOS-FET output stage.

Although the C300 takes the place of the 310, it can’t be viewed as a direct

replacement. The superior performance, remote control, component qual-

ity make it even better value-for-money than the 310 is, even if it’s at a

slightly higher price-point.

Features:

The C300 is remote controlled for the most important functions: Volume

and mute.

Flexibility is another NAD strong point. The C300 has 7 line inputs (includ-

ing 2 tape in/outputs with dubbing facility) so will not run out of inputs

easily. The headphone socket will drive virtually any non-electrostatic

headphone.

It is fashionable to omit tone controls nowadays: However, provided that

the tone controls are properly designed, these can really be a useful tool to

make improvements to the overall sound. The C300 tone controls only

work at the frequency extremes leaving the critical mid-band essentially

unaltered. The tone control circuits can be completely bypassed by using

the tone defeat switch.

C300 Integrated Amplifier

• 2 x 25W Continuous power (8 ohms) • 45W Dynamic power (8 ohms)

• 70W Dynamic power (4 ohms) • 90W Dynamic power (2 ohms)

• In excess of 40A peak current! • Large, Toroidal “Holmgren” transformer

• “Class A” discrete amp module driver stage

• Non-intrusive protection against short circuits, overheating and DC offset

• All Discrete circuitry • Short signal path from input to output • All sockets Gold plated

• Remote control for Volume & Muting • Headphone socket • 7 Line inputs,

including two tape in/outs • Tone control defeat switch

SPECIFICATIONS - NAD C300

Stereo Mode

Continuous Average Power Output into 8 ohms 25W

(Min. Power per channel, 20Hz-20kHz, both channels driven, with no more than rated distortion)

Rated impedance 4-8ohms

Rated distortion(THD 20Hz-20kHz) 0.03%

Clipping power (maximum continuous power per channel) 30W

IHF dynamic headroom at 8 ohms +2.4dB

IHF dynamic power: 8 ohms 43W

4 ohms 65W

2 ohms 90W

Damping factor (ref. 8 ohms 50Hz) >100

Peak undistorted O/P current (into 0.1—0.5ohms, both channels running) 40A

Frequency response 20Hz-20kHz (Tone Control in) <± 0.5dB

at 10Hz/70kHz -2dB

THD(Total Harmonic Distortion, 20Hz-20kHz, from 250mW to rated output) <0.03%

SMPTE I. M. (IM distortion, 60Hz + 7kHz, 4:1, from 250mW to rated output) <0.03%

IHF I.M.(CCIF IM distortion, 19+20kHz at rated output) and DIM 100 <0.03%

Line Level Inputs (DISC, CD, Video, Aux, Tuner, Tape 1, Tape 2)

Input impedance (R and C) 210kohms/320pF

Input sensitivity (ref. rated power) 200mV

Maximum input signal 5V rms

Signal /Noise ratio, A-weighted (ref.1W) >100dB

(ref. rated power) >114dB

Line Level Outputs (Tape 1&2)

Maximum output level 5V rms

Tone Controls:

Treble (at 10kHz) ±6dB

Bass (at 100Hz) ±5dB

Physical Specifications

Dimensions in mm (W x H x D) 435 x 80 x 285mm 17 1/8" x 3 1/8" x 11 1/4"

Net weight 5.0kg 11 lbs

Shipping Weight 6.2kg 13.6 lbs

NAD reserves the right to change specifications or design at any time without notice. All specifications are those in effect at time of printing.

Printed in Canada.