Nad 310 Users Manual

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310
Integrated Amplifier
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2 x 20 Watts continuous power into 8 ohms
80 watts dynamic power into 2 ohms
5 line inputs, including mini jack input/output
SuSi (Super Simple) circuit topology
Massive 20 ampere peak current capability
Tone controls defeat switch

NAD products are particularly renowned for their value for money and the Model 310 is no exception.
Pioneering new amplifier circuit topology gives this amplifier a level of performance which belie both its
price and modest specifications.
Features and Circuitry
The SuSi (Super Simple) topology gives the amplifier a peak current capability exceeding 20 Amperes
and 85 Watts dynamic power into 2Ω, allowing it to drive even the most unreasonable loads
(loudspeakers with very low impedance) with ease. Yet, the SuSi topology uses only 50% of components
and achieves 20% higher efficiency compared to amplifiers of similar specification.
Combined with this design approach is one of eliminating all unnecessary features, such as loudness,
which benefited the 310 by reinvesting the budget with better quality components such as a Hölmgren
Toroidal™ transformer.
The return is a level of performance far beyond that which one would expect to experience at this price.
This design approach inherent in all NAD products makes the NAD 310 amplifier the ideal component
for an audiophile in a tight budget or as the centre for a second system.
Audiophiles on a budget will find the mini-jacks for both input and output on the front panel easy to
connect or disconnect other budget music sources such as portable CD player, MiniDisc recorder or
other personal audio components.

SPECIFICATIONS - NAD 310
Continuous average power output into 8Ω

20W (13dBW)

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

Rated distortion (THD 20Hz - 20kHz)
Clipping power (max continuous power per channel)
IHF dynamic headroom at 8Ω
IHF dynamic power
(max short term power per channel)

Damping factor (ref. 8Ω 50Hz)
Frequency response

8Ω
4Ω
2Ω

20Hz - 20kHz
10Hz/70kHz
THD (20Hz - 20kHz, from 250mW to rated power)
Input impedance (R and C)
Line inputs:
Input sensitivity (ref. rated power)
Line inputs:
Signal to noise ratio (A weighted)
Frequency response (20Hz - 20kHz)
Tape output impedance
Treble control
Bass control

0.05%
25W
+3dB
40W (17.0dBW)
60W (17.8dBW)
80W (18.7dBW)
>100
+0.3dB
-3dB
<0.05%
80kΩ+220pF
210mV
93dB ref. 0.5W
106dB ref. rated power
+0.5dB
Source Z + 1kΩ
±6dB at 10kHz
±7dB at 100Hz

Physical specifications
Dimensions (W x H x D)
Net weight
Shipping weight

435 x 65 x 250mm
5kg
6kg

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



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