Nikko ALPHA 220 - Specifications; Amplifier Section Specifications; General Specifications

ALPHA 220
SPECIFICATIONS
AMPLIFIER SECTION
Continuous Power Output per Channel:
20 ~ 20000 Hz (8 ohms)
20 ~ 20000 Hz (4 ohms)
1000Hz(8ohms)..........
1000Hz(4ohms)..........
more than 120 Watts
more than 130 Watts
more than 120 Watts
more than 130 Watts
T. H. Distortion
, 8 ohms:
at Continuous Power Output
. . no more than 0.
008%
at 1 Watt Power
Output. . . . . . .
no more than 0.02%
T. H. Distortion
, 4 ohms:
at Continuous Power Output
. . . no more than 0.02%
I. M. Distortion
, 8 ohms:
at Continuous Power Output
. . . no more than 0.
01%
at 1 Watt Power
Output. . . . . . .
no more than 0.
02%
IHF Power Bandwidth
, 8 ohms: . . . . . . ..
5 ~ 70000Hz
Damping Factor at 1000 Hz
, 8 ohms:
.... more
than 60
GENERAL
Power Requirement:
TYPE .................,. AC120V
60Hz
TYPE ..,................ AC220V
50Hz
TYPE ................... AC240V
50Hz
Power Consumption: . . . . .
. . . . . . . . .
480 W (620 VA)
Ambient Temperature during Operation: ... -
1 0 ~ 30
* Specifications are su
bject to change
without notice.
Frequency Response
, "
NORMAL" input
, 8 ohms:
at 1 Watt power
Output. . . 10 ~
100000Hz +0
, -
1dB
Input Sensitivity for 120 Watts Power Output:
MAIN IN .......................
1V:t2dB
Signal to Noise Ratio
, I H F "
Au Network:
MAIN (NORMAL, DIRECT) ..,.
better than 105dB
Signal to Noise Ratio
, DIN Filter:
MAIN IN (NORMAL,
DI RECT) .. better
than 90dB.
Channel Balance:
..,............ no
more than 1dB
Residual Hum and Noise
, 8 ohms: .. no
more than 0.
5mV
Idling Current:....................
40~120mA
Midpoint Voltage:
........,.......... 0:t20mV
Muting Delay Time: ................
3~7seconds
Dimensions:
Width................
482mm
(19 inches)
Height ...............
138mm (51/3inches)
Depth................
344mm(131/2inches)
Weight
, without package:
......... 13.5 kg (29.
7Ibs)