NAD Electronics C162 User's Manual
Contents
1. C 162 Stereo Preamplifier e 6Line Level Inputs including 2 Tape In Outputs with dubbing facility e Switchable MM and MC Phono Input e 2Line Level Preamp Outputs one is variable from OdB to 12dB e Gold Plated RCA Connectors e Pure Class A Discrete Amplifier Modules e Independent Headphone Amplifier e Bass and Treble Control with Tone Defeat Switch e Blue Velvet Alps motorized volume control e Input switching through hermetically sealed relays e NAD Link e 12V Trigger Output e NAD SR 5 Full System Remote Control With the arrival of the all new NAD Model C 162 pre amplifier you can get the best of both worlds Ultimate performance combined with the convenience of remote control Its outward simplicity belies the sophistication of the circuitry inside Features With 6 line inputs two of which are Tape I n Out and an MM MC phono input available it s unlikely you will run out of inputs to connect your sources to The C 162 is fully remote controlled and comes supplied with the NAD C Series system remote control As the C 162 has NAD Link the remote control will also operate many other NAD products such as CD players tuner etc The headphone socket will drive virtually any non electrostatic headphones It is fashionable to omit tone controls nowadays However provided that the tone controls are properly designed they can really be a useful tool to make improvements to the overall sound The C 162 tone2. Pre amp Tape Phones Maximum output level Pre amp Tape Phones Tone Control Treble Bass Remote control Physical Specifications Dimensions W x H x D Net Weight Shipping Weight SWITCHED 120V 60Hz 720W 6A Max 1 1 1 1 1 1 I 1 UNSWITCHED 1 1 1 1 1 i 120V 60H2 360W 3A Max NORTH AMERICA ONLY 750 Source Z 1kQ 1000 gt 15V gt 15V 190mV into 8O 5dB at 10kHz 5dB at 50Hz Yes 17 1 8 x 3 1 8 x 11 1 7 435 x 80 x 285mm 10 6 Ibs 4 8 kg 13 2 Ibs 6 kg NAD Electronics International reserves the right to change specifications or features without notice NAD is a registered trademark of NAD Electronics International All rights reserved No part of this publication may be reproduced stored or transmitted in any form whatsoever without the written permission of NAD Electronics International 10 03 NAD Electronics International www NADelectronics com
3. 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 For remote on off switching of ancillary components in a system such as power amplifiers or active speakers the C 162 is equipped with a 12V trigger system When switching the pre amplifier on the 12V trigger output is also activated which in turn can activate a 12V trigger input and switch on the remote devices Unique is the Variable Pre out 2 facility Many systems can benefit from the use of multiple power amplifiers for Bi Amping using separate power amplifiers to drive the bass and treble section of a loudspeaker Many speakers are all ready set up for this with separate inputs for the low and high frequency sections But not all power amplifiers are identical in gain amplification factor With the Variable Pre out 2 facility differences in loudness between power amplifiers up to 12dB can be dialed out precisely The low output impedance on the Pre outputs allow the C 162 to drive several power amplifiers in parallel and or the use of long interconnect cables without the degradation of the performance that can so often become apparent when long cables are used Design Following NAD s Music First design brief the C 162 utilizes completely new innovative circuit topology which allows for investment in high specification and clo
4. se tolerance components Metal film resistors polypropylene capacitors hermetically sealed relays and the Alps Blue Velvet motorized volume control are a few examples of this Special attention has been paid to the power supply section of the C 162 The toroidal transformer has 4 separate secondary windings followed by 6 main low noise regulators From here no less than 6 super low noise subsidiary regulators and active filters are used to maximize supply rejection for all sections of the C 162 to more than 100dB Often other manufacturers disregard the importance of a phono stage NAD recognizes the performance potential of a good turntable and has made sure that the C 162 will not be the limiting factor The MC phono stage is built pretty much like a small power amp so that a wide range of MC cartridges can be used while keeping noise very low combined with a high overload margin Likewise the MM phono stage also can cope with a wide range of cartridges and operates entirely in Class A The built in infrasonic filter filters out unwanted rumble components from the turntable or record itself but without introducing any significant group delays To ensure accurate RIAA response the entire circuit uses 1 tolerance metal film resistors and 2 tolerance capacitors Essentially the same circuitry used for the phono circuit is also used for both the line input and output stage A modular FET amp operating in Class A The line ou
5. tput stage is capable of driving 10V into 600 ohms This combined with the high input impedance of the line input amplifier 500k ohms means that the C 162 can be combined with a vast range of sources and power amplifiers For the inputs themselves the NAD engineers have opted for using relays rather then using electronic switching between sources All input and output sockets are gold plated Often it is said that performance and convenience don t go together but the NAD Model C 162 is the exception to the rule At this reasonable price the Model C 162 deserves to partner with the finest of ancillary components NAD 2003 C 162 Phono stage Phono R C MM Phono R C MC Input sensitivity ref 0 5V 1kKHz MM Input sensitivity ref 200mV MM Input sensitivity ref 0 5V 1kHz MC Input overload 20HZ 1kHz 20kHz MM Input overload 20HZ 1kHz 20kHz MC Signal noise ratio A weighted cartridge MM Signal noise ratio Unweighted MM Signal noise ratio A weighted cartridge MC RIAA accuracy MM 20Hz 20kHz RIAA accuracy MC 50Hz 20kHz Line level inputs Impedance R C Sensitivity ref 0 5V Maximum input signal Signal noise A weighted Frequency response 3dB 3Hz 70kHz THD 47kQ 470pF 100Q 1nF 2 4mV 115uV 20mV 230MmV 2V 1 38mV 12mV 110mV 80dB ref 5mV 81dB ref 0 5mV 0 4dB 0 4dB 500kQ 320pF 150mV 17V gt 100dB ref 0 5V 0 2dB 0 01 Line level outputs Output impedance
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