AUSTRALIAN MONITOR KA1200, Operation Manual

Page: 19 / 20

Model:
KA1200 KA1200
KA1200 KA1200 KA1200
Output Power
E.I.A. 1 kHz, <0.1 % THD+N. 8ohm 4ohm
Single channel driven. 440W 680W
Both channels driven. 400W 600W
Pulsed @ 1 kHz, at onset of clipping,
10% duty cycle, re 4 ohms.
Single channel driven.
800W
Both channels driven. 750W
Bridge mode
16 ohm load 800W
8 ohm load 1200W
Output Impedance
@ 1 kHz <0.025 ohms
Damping Factor
@ 1 kHz re 8 ohms >320:1
Output Rise Time
<2.8
µ
S
(80%, leading edge of 20kHz square wave)
Slew Rate
60V per
µ
S
(leading edge, 20kHz square wave @ clipping)
Weight
Net 37.5 lb (17kg), Shipping 43lb (19.5kg)
Specification 19
Distortion
(0.5 dB below clipping re 4 ohms)
THD+N (@ 1 kHz) <0.01%
IMD SMPTE (60 Hz & 7 kHz 4:1) <0.05%
IMD DIM 30 (3.15kHz square & 15 kHz) <0.02%
Frequency Response
20 Hz - 20 kHz < ± 0.15 dB
-3dB points <10 Hz - 90 kHz
Input Impedance
Line to Line (Balanced) 30k ohms
Input Sensitivity
(nominally)
For rated power re 8 ohm 1.26 Vrms (+4 dBu)
For rated power re 4 ohm 1.10 Vrms (+3 dBu)
Input CMRR
@ 1 kHz (re 8 ohm rating) >80 dB
Signal / Noise ratio
"A" weighted (re 8 ohm rating) >100 dB
Crosstalk
@ 1 kHz (re 8 ohm rating) >90 dB
Dimensions
H x W x D
excluding handles 3.5 x 19 x 14.8 (inch)
88 x 482 x 375 (mm)
including handles 3.5 x 19 x 17.7 (inch)
88 x 482 x 450 (mm)
(19 inch EIA rack mounting, 2 units high)
Model:
KA800 KA800
KA800 KA800 KA800
Output Power
E.I.A. 1 kHz, <0.1 % THD+N. 8ohm 4ohm
Single channel driven. 285W 460W
Both channels driven. 255W 400W
Pulsed @ 1 kHz, at onset of clipping,
10% duty cycle, re 4 ohms.
Single channel driven.
550W
Both channels driven. 500W
Bridge mode
16 ohm load 510W
8 ohm load 800W
Output Impedance
@ 1 kHz <0.030 ohms
Damping Factor
@ 1 kHz re 8 ohms >260:1
Output Rise Time
<2.8
µ
S
(80%, leading edge of 20kHz square wave)
Slew Rate
50V per
µ
S
(leading edge, 20kHz square wave @ clipping)
Weight
Net 33 lb (15kg), Shipping 38.5 lb (17.5kg)
Common Specifications
Test conditions
Input source = 600 ohm, Balanced and ground referenced (CMRR test had floating ground & 50 ohm
source). Mains regulated to 240 volts / 50hz. All measurements taken at binding post output terminals.
Standard production units measured. No compensation applied.