Total Harmonic Distortion - ATC CA2 Operating Manual

CA2
Output level is controlled by the rotary Volume
control on the front of the unit, the position of
which is indicated by a black pointer. Rotating the
control clockwise will increase the output level. It
is good practice to lower the volume setting before
switching on the preamplifier or any associated
equipment, or while changing the input selection.
Unity gain though the CA2 from any of the line
level inputs is indicated by the '0dB' print on the
front panel, beside the volume control. This is the
volume position the preamp should be set to for
'Home Cinema Bypass' so the CA2 has no
influence on signal level when used within a cinema
surround system.
Due to the nature of the electronics in ATC
amplifiers it is quite normal for a sound to be heard
from the speaker when the power is applied or
disconnected. The noise heard will not damage the
speaker and is quite normal. Although ATC uses the
highest-grade components, a different noise may be
heard from each speaker due to slight tolerance
variations in the amplifier components.
6
1 . 5 S p e c i f i c a t i o n s
Maximum Output Level
Line Input Sensitivity (for 1V Output):
R.I.A.A. Input sensitivity:
R.I.A.A. Input Impedance:
R.I.A.A. Accuracy (20Hz – 20kHz):
Input Impedance:
Output Impedance:
Frequency Response (-3dB):

Total Harmonic Distortion:

Crosstalk (10Hz – 20kHz)
S+N/N Ratio:
Power Requirements
Power Consumption
Dimensions (including terminals)
Weight
E. & O.E. The policy of Loudspeaker Technology Ltd. is that of continuous design and development. We reserve the right to change
specifications without prior notice.
P r e a m p l i f i e r
7.5V RMS into 600 Ohms
150mV
See Table A
See Table A
±0.5dB
5k Ohms
10 Ohms
DC – >500kHz
<0.0005% (-106dB) 1V into 600 Ohms
>90dB
>95dB (Wide band)
>104dB (DIN)
>108dB (IEC "A")
100, 115, 230V, 50/60Hz
35VA Maximum
H90 x W445 x D330mm
H3.54 x W17.5 x D13.0 inches
7kg (15.4lb) Net
8kg (17.6lb) Packed