Whirlwind DA-2 Stereo Amplifier User Manual


 
Frequency response ± .3dBm 20 to 20KHz
± 3dBm 3 to 140KHz
Input impedance 1Meg Ohm balanced
Max. input level +23dBm unbalanced
+28dBm balanced
Output impedance 112 Ohm balanced, ground
lifted
Max. output level +22dBm unbalanced
+28dBm balanced
T.H.D. .004% at 1kHz.
<.005% 20-20kHz
Rise time 3uSec
Phase shift .5 degree at unity gain
Intermodulation distortion .007% at unity gain
Signal present threshold -20dBm unbalanced
-l4dBm balanced
LED Clip Threshold +l9dBm unbalanced
+25dBm balanced
Output signal range level -60 to + l8dBm
Added noise of dual +2dBm
channel mode
C.M.R. of inputs 20-20kHz >9OdBm
Range of headphone -60 to +l8dBm
volume control
Isolation between outputs >74dBm
Power Consumption .15 Amps max. A.C.
@120VAC
.15 Amps max. A.C.
@230VAC
AC Dropout Voltage +105 VAC @ l20VAC
+205 VAC @ 230VAC
Internal Mains Fuse .25 Amps Slo-Blo 3AG
Size (Single Space Standard E.I.A. Spec)
19.0” (482.6mm) Width
6.0” (152.4mm) Depth
1.75” (44.45mm) Height
Shipping Weight 8.0 lbs (3.63kg)
Unit Weight 6.5 lbs (2.95kg)
SPECIFICATIONS
Equivalent Input Noise and Signal to Noise Ratio
whirlwind / U.S. Audio
99 Ling Road Rochester NY 14612
800 733-9473 585 663-8820 585 865-8930 Fax
www.whirlwindusa.com