NAD Electronics C320 User's Manual
Contents
1. C320 Integrated Amplifier Date of manufacture July 98 Current Please note that this document contains the text from the original product brochure and some technical statements may now be out of date 2 x 40 Watts continuous into 80hms 90 Watts dynamic power into 80hms 160 Watts dynamic power into 2ohms Impedance Sensing Circuitry ISC Full system remote control Headphones socket Relay input switching Toroid power transformer 7 Line inputs including two tape in outs All discrete circuitry Short signal path from input to output All sockets gold plated Tone controls defeat switch Pre out Main in Soft Clipping NAD Link Introducing the C320 This amplifier is the latest in the family of NAD s modestly priced integrated amplifiers which stretch back to the legendary 3020 One step up from the splendid 310 the C320 is fully remote controlled with the NAD C Series system controller and is destined to become yet another NAD classic Features The C320 has 7 line inputs including 2 tape in outputs with dubbing facility and the pre amplifier section can be separated from the power amplifier for easy upgrades bi amping for instance or adding ancillary equipment without making the C320 redundant Tone controls tend to come and go on amplifiers depending on whatever is in vogue at the time This does not mean that tone controls should necessarily be regarded as a superfluous extra Given proper thought and design tone2. controls can make a genuine contribution to overall sound quality The C320 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 A closer look at ISC The NAD C320 is one of the first products to benefit from Bj rn Erik Edvardsen s latest development ISC topology the letters stand for Impedance Sensing Circuit allows the C320 to deliver maximum performance under virtually any circumstance independent of the loudspeakers it is driving The circuitry automatically recognises the impedance characteristics of the loudspeaker and will then adjust its power supply settings to best cope with that specific load NAD takes a stand against the mindless brochure power approach which doesn t give a realistic indication of an amplifier s true capabilities Instead the ISC topology is a practical approach to enable an amplifier to easily deal with dynamics and difficult loads More meaningful are the C320 s dynamic capabilities up to 160 Watts into 2 ohms and up to 35 amps current capability All the traditional and essentially useful NAD features are here such as Soft Clipping helps prevent your speakers from damage through abuse and Pre out Main in for extra flexibility and to provide an easy upgrade path for example Like all the other in and output sockets the Pre out Main in sockets are gold plated for long
3. term contact reliability As the C320 also has NAD Link the remote control will also operate many other NAD products such as CD players tuners etc Other design features include relay input switching located right behind the input sockets for short signal paths and the large toroidal transformer less mechanical hum and stray magnetic field The generous power supply and over rated output devices further lead to low noise and low distortion for the entire amplifier The C320 does it all at a price that will astound you PRE AMP SECTION Line level inputs Input impedance Rand Q Input sensitivity ref 1w Frequency response Line level outputs Output impedance Pre out Tape Video Tone controls Treble Bass POWER AMP SECTION Continuous output power into 8Q Rated distortion THD 20Hz 20kHz Clipping POWEF maximum continuous power per channel IHF Dynamic headroom at 8Q IHF dynamic pOwer maximum short term power per channel 8Q 4Q 2Q Damping factor ref 20 50Hz Signal noise ratio ref 1W ref rated power Remote NAD Link PHYSICAL SPECIFICATIONS Dimensions W x H x D Net weight Shipping weight 20kQ 500pF 165mV 20Hz 20kHz 0 3dB 2200 Source Z 2kQ 2200 5dB at 10kHz 7dB at 100Hz 40W 16dBW 0 03 55W 3 5dB 90W 19 5dBW 125W 21dBW 160W 22dBW gt 60 90dB 104dB Yes Yes 435 x 100 x 290mm 6 5kg 7 7kg Minimum power per chnnel 20Hz 20kHz both channels driven wi
4. th no more than rated distiortion Dimensions are of unit s cabinet without attached feet add up to 18mm for total height Dimension depth excludes terminals sockets controls and buttons NAD Electronics All rights reserved E amp OE
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