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7020i
Stereo Receiver
Date of manufacture : Feb 90 - ?
Please note that this document contains the text from the original product brochure, and some technical statements may now be out of date
• Conservatively rated at 20 W/channel continuous power, with +3 dB of IHF Dynamic Headroom.
Dynamic power exceeds 40 W/channel at 8 or 4 ohms, 50 W/ channel at 2 ohms.
• High-current output stage delivers peak currents up to 15 amperes, for precise control of voice-coil
motion with speaker impedances as low as 2 ohms.
• Gold-plated phono input jacks for a long life of corrosion-free contact in this sensitive low level signal
path.
• Heavy duty speaker binding-post connections provide a secure, low resistance connection for all
speaker wires and banana plugs.
• Flexibility: the 7020i’s pre and power amplifier are connected by external jumpers which are
removable to allow for greater flexibility to upgrade your system.
• Sensitive precise digital tuning with three stages of I.F. filtering for outstanding freedom from noise
and interference.
The modest cost and simple controls of the NAD 7020i Stereo Receiver make it an ideal choice for the
person who wants fine musical reproduction without becoming involved in the technicalities of hi-fi.
NAD’s approach to audio design can be characterised in one phrase: “high-value engineering”. When
you choose an NAD receiver, you are investing in quality behind the front panel . innovative circuit
design, selected parts, high-current transistors, exacting quality control, and solid construction for
consistent performance and long-term reliability.
The rated “continuous” power of a receiver tells you how well it plays sine-wave test tones; but real
musical waveforms are much more complex and dynamic. The NAD 7020i is conservatively rated at 20
watts per channel for test tones, but its high-voltage design produces extra power for rapidly changing
waveforms -over 40 watts per channel of dynamic power for the exciting peaks and climaxes in music
(especially in digital Compact Discs).
Many FM receivers look good on paper; but in side-by- side comparisons, NAD receivers often pull in
weak or difficult stations with audibly better freedom from noise and interference, thanks to sensitive
dual-gate MOSFET amplification and sophisticated multi-stage I.F. filtering.
Circuit Features High-Current Output Stage
NAD was the first manufacturer to emphasise the importance of output current capacity. The 7020i can
deliver peak currents as high as 15 amperes. The “20-watt” 7020i employs the same high-speed output
transistors that other manufacturers use in their “50-watt” receivers.
Impedance Selector
NAD’s unique Speaker Impedance selector and high-current output stage deliver maximum power to
loudspeakers of any impedance - high or low, simple or complex. The 7020i will even drive a 2 ohm
impedance safely, without current-limiting or distortion.