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SERVICE MANUAL
A NAD 3030 AMPLIFIER
CONTENTS
SPECIFICATION PAGE 2
ALIGNMENT PAGE 3, 4, 5
INSIDE VIEW OF UNIT PAGE6
PARTS LOCATION OF PCB PAGE 7
WIRING DIAGRAM PAGE 8
CIRCUIT DIAGRAM PAGE 9
PARTS LIST PAGE 10
SPECIFICATION
* Measurements identified by an asterisk are taken in accordance with the new [HP A-202 amplifier measurement standard.
Power Amplifier Section
* Continuous average power output at 8 ohms 20-20K Hz both channel driven 30W
Rated distortion, 20-20K Hz < 0.09%
* Clipping headroom at 3 ohms + 1.2dB
Clipping power at 8 ohms 40W
at 4 ohms 50W
at 2 ohms 60W
Dynamic headroom at 8 ohms +2.2dB
Dynamic power at 8 ohms 50W
at 4 ohms 60W
at 2 ohms 70W
* Reactive load rating +1 .7dB
* Transient Overload Recovery Time < lusec.
* Slew Factor > 50
Slew Rate ISV/usec.
Damping factor at 50 Hz (Ref. 8 ohms) 50
T.H.D, 20-20K Hz From 250 mW to 30w < 0.09%
S.M.P.T.E. I.M.D. (60 Hz + 7KH2, 4:1) From ZSOmW to 30W < 0.09%
I.HF. I.M.D. (19KHz + ZOKHZ) at 30W < 0.09%
TiI.M.(15KHz Sine + 3.18KHZ Square Wave) at 30W < 0.09%
Frequency Response, 20-20K HZ i 05613
Frequency Response Range 1 3dB 5'45K HZ
We
* Input Impedance Resistance/Capacitance 47KQ/47PF
Input Sensitivity (lKl-lz) * Forl watt out 0.5mV
30 Watt out 2.5mV
lnpm Overload at (Hz 190mV
20 Hz 19mV
20 KHZ l .9 V
THD (20-20K Hz) and [MD at + 30dB input level < 0.02%
RlAA Response Accuracy :t 0.3dB
Siqnalto Noise Ratio A-weighted
(a) with phono cartridge connected Ref lOmV > 80dB
* Ref SmV > 74dB
(b) with short-circuit input Ref lOmV > 84dB
High level input
* Inputimpedance Resistance/Capacitance 50KSZ/100PF
input sensitivity * For 1 watt out 30mV
For 30 watt out ISOmV
Siqnal to Noise Ratio, A7Weighted
(a) with mute off * Ref 1 watt out > SDdB
Ref 30 watt out > 92dB
(b) with mute on Ref 1 wait out > 85dB
* Maximum input signal infinite
Rrequency Response, ZO-ZOK Hz 1 0.5dB
Controls
Bass control, range at 50 HZ :t IOdB
Treble control, range at 10 KHZ i IOdB
Infrasonic filter Tum over frequency 20 Hz
Slope (dB/octave) 12
High filter Tum over frequency 7 KHz
Slope (dB/octave) 6
Mate ~20dB
Physical Specification
Dimensions W x H x D inch 15.4 x 5.5 x ll
cm 39 x 14 x 30.5
Net weight 20 lbs/9 kg
Shipping weight 22 lbs/10 kg
Power Consumption at 1 watt out 3OVA
30 watt out , 200VA