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Stereo Amplifier 3020B

Stereo Amplifier 3020B; NAD, New Acoustic (ID = 2381828) Ampl/Mixer Stereo Amplifier 3020B; NAD, New Acoustic (ID = 2381830) Ampl/Mixer
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Stereo Amplifier 3020B; NAD, New Acoustic (ID = 2381828) Ampl/Mixer
NAD, New Acoustic: Stereo Amplifier 3020B [Ampl/Mixer] ID = 2381828 933x330
Select picture or schematic to display from thumbnails on the right and click for download.
For model Stereo Amplifier 3020B, NAD, New Acoustic Dimension; Ontario:
Ebay UK auction item 223457275425 seller nicholaemmanuel2010
Country:  Canada
Manufacturer / Brand:  NAD, New Acoustic Dimension; Ontario
Year: 1984 Category: Audio Amplifier or -mixer
Semiconductors (the count is only for transistors) Semiconductors present.
schematic requested
Main principle Audio-Amplification
Wave bands - without
Details Hi-Fi equipment
Power type and voltage Alternating Current supply (AC) / 120 or 220 or 240 Volt
Loudspeaker - This model requires external speaker(s).
Power out 50 W (undistorted)
from Model: Stereo Amplifier 3020B - NAD, New Acoustic Dimension;
Material Metal case
Shape Book-shelf unit.
Dimensions (WHD) 420 x 96 x 240 mm / 16.5 x 3.8 x 9.4 inch

A 2 x 25 watt stereo hi-fi integrated amplifier with Soft Clipping. RCA input sockets for Phono (MM or MC), Tuner and Aux, input/output RCA sockets and DIN socket for Tape, switches for MC/MM Selector, Soft Clipping (On/Off) and Speaker Impedance (8Ω/4Ω). Sockets for Pre-amp out and Normal-in fitted with removable U shaped metal jumpers, and sockets for Lab-in (an alternative to the Normal-in socket with wideband frequency response). Binding posts for one pair of loudspeakers and two AC outlets (not all models). Rotary controls for Bass, Treble, Balance and Volume, push buttons for Power, input selection (Aux, Tuner, Phono, Tape),  Mono and Loudness. Power On pilot light and and 5 LED Power Meter indicators. Jack for headphones.

Continuous Average Power Output into 8Ω
(Min. RMS power per channel, 20Hz - 20kHz, both channels driven
with no more than the rated distortion) ..:  25 watts
Rated Distortion (THD) 20Hz - 20kHz ....:  0.02%
IHF Dynamic Headroom at 8Ω .............:  +3dB
IHF Dynamic Power (Max. short term) ..:  50 W (8Ω), 55 W (4Ω), 70 W (2Ω)
Frequency Response, Lab Input ...........:  10Hz - 70kHz
Input Sensitivity ..................................:  2.7mV (MM), 180µV (MC), 180mV (line)      

Versions/Power Requirements
USA Canada   120 V AC 60Hz
Europe            220 or 240 V AC 50Hz

Similar to the NAD 3120 Stereo Amplifier which has no tone controls or LEDs. Same circuit design as the earlier 2 x 20 watt NAD 3020 Series 20 Stereo Amplifier.

Made in Taiwan

Net weight (2.2 lb = 1 kg) 5.260 kg / 11 lb 9.4 oz (11.586 lb)
Literature/Schematics (1) - - Manufacturers Literature (Service Manual for the NAD 3020B and 3120 Integrated Stereo Amplifiers)
Literature/Schematics (2) - - Manufacturers Literature (Addenda to 3020A, 3020B/3120 operating instructions dated 1984)

Model page created by Howard Craven. See "Data change" for further contributors.

All listed radios etc. from NAD, New Acoustic Dimension; Ontario
Here you find 113 models, 111 with images and 22 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.