NAD Electronics 7020e User's Manual
Contents
1. 7020e Stereo Receiver Date of manufacture Dec 89 Please note that this document contains the text from the original product brochure and some technical statements may now be out of date NAD s product philosophy can be characterised in one phrase high value engineering The compact and economical 7225PE receiver is an outstanding example of that approach it contains much of the same circuitry as the 7240PE with less output power and a substantial saving in cost In budget level stereo receivers performance and power often are compromised to reduce production cost But NAD combines high production efficiency with superior performance by using the same circuits in both separates and receivers The 7225PE contains the entire 3225PE integrated amplifier plus a sensitive wide range digital tuner The 7225PE is conservatively rated at 25 watts channel of steady state power for sine wave test tones But with 4 dB of IHF dynamic headroom its effective power for musical transients is considerably greater Power Envelope design produces bursts of up to 60 watts channel at 8 ohms and 8 0 watts channel at 4 or 2 ohms ensuring clear and authoritative reproduction of the impact and sparkle of live music If you ever overdrive the 7225PE Soft Clipping will prevent the harshness and gritty distortion that is caused by hard clipping in conventional amplifiers NAD s impedance selector allows optimum performance to be delivered into2. rated power into 8Q FM TUNER SECTION nput sensitivity Capture ratio 45 65dBf AM rejection 45 65dBf Selectivity alternate channel Image rejection F rejection Harmonic distortion Signal Noise ratio Frequency response 0 5dB Channel separation at 1kHz AM TUNER SECTION Usable sensitivity Selectivity Image rejection F rejection Signal Noise ratio Harmonic distortion Remote NAD Link PHYSICAL SPECIFICATIONS Dimensions W x H x D Net weight Shipping weight Power consumption 120 240V 50 60Hz Tape Phones Tape Phones 8Q 20 Mono 30dB THD N Mono 30cB S N Stereo 50dB S N Stereo 60dB S N Mono Stereo Mono Stereo Minimum power per chnnel 20Hz 20kHz both channels driven with 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 47kQ 100pF 2 4mV ref 20W 75dB ref 5mV lt 0 04 0 5dB 40kQ 100pF 150mV gt 10V 84dB 0 5dB 1 0dB 3db at 15Hz 24dB octave Source Z 1kQ 2202 10V gt 10V into 6002 gt 500mvV into 8Q 70B at 10kHz 10dB at 50Hz 20W 13dBW 0 03 25W 2 5dB 35W 15 5dBW 35W 15 5dBW 50W 17dBW gt 30 900mV 11 3dBf 2 0uV 300Q 15dBf 3 0uV 300Q 37dBf 40u V 3009 47dBf 120uV 300Q lt 1 5dB gt 60dB 58qB 70dB 90d
3. B 0 1 0 1 gt 80dB gt 74dB 30Hz 15kHz 45dB 5uV 30dB 45dB 35dB 45dB 0 5 No No 420 x 91x 273mm 5 5kg 6 8kg 150W
4. any speaker impedance The 7225PE produces up to 15 amperes of peak current delivering full power to impedances as low as 2 ohms The quiet phono stage and wide range line level circuits like those in the 7240PE transparently reproduce even the subtlest detail of every recorded sound Infrasonic and ultrasonic filters eliminate unwanted interference while preserving accurate response from 20 Hz to 20 kHz Musically effective tone controls adjust the deep bass and high treble without sacrificing clarity or midrange accuracy Radio is not just for background music and tuner performance should not be compromised The 7225PE employs much of the same highly evolved technology as the NAD 4225 tuner A sensitive MOSFET front end three stages of F filtering and a PLL multiplex decoder for wide stereo separation provide an optimum combination of good selectivity and low distortion In side by side comparisons with other receivers the 7225PE often pulls in weak or difficult stations with noticeably better clarity and quieting NAD 7020 e Stereo Receiver The 7020e NAD s lowest cost receiver is similar to the 7225PE in features and performance except that it is based on the 3020i integrated amplifier It is rated at 20 watts per channel of steady state power with 3 dB of IHF dynamic headroom meaning that in musical transients it produces up to 40 watts channel of dynamic power at 8 or 4 ohms The 7020e shares with all NAD amplifiers and receivers a high c
5. urrent output stage that when playing music instead of test tones delivers full power to speakers of any impedance Its combination of dynamic power Soft Clipping and unconstricted output current give the 7020e a characteristic ability to drive even difficult speakers to unexpectedly high volume levels In addition to its surprisingly potent speaker driving ability the 7020e contains the same quiet phono circuitry sensitive digital tuning wide stereo separation sharp audio bandpass filtering and musically useful tone controls that larger NAD receivers employ The 7020e is a no compromise product characterised by the high value engineering that stands behind every NAD product PRE AMP SECTION Phono input Input impedance Rand 9 Input sensitivity 1kHz Signal Noise ratio A weighted with cartridge connected THD 20Hz 20kHz RIAA response accuracy 20Hz 20kHz Line level inputs Input impedance and o Input sensitivity ret 20w Maximum input signal Signal Noise ratio 4 weighted ref 1w Frequency response 20Hz 20kHz Infrasonic filter Line level outputs Output impedance Maximum output level Tone controls Treble Bass POWER AMP SECTION Continuous output power into 8Q Rated distortion THD 20Hz 20kHz C lipping POWefF maximum continuous power per channel HF Dynamic headroom at 8Q HF dynamic POWEF maximum short term power per channel Damping factor ref 80 50Hz nput sensitivity for
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