audio research
EC22

Description
Solid state 2-way electronic crossover.

Introduced
1990

Discontinued
?

Revisions
-

Options
-

MSRP (US new retail)
$2,995

Specifications

Frequency response ± .5 dB, .1Hz to 100kHz. -3dB points below .02Hz and above 450kHz
Distortion Less than .01% at 1V RMS output. (Typically less than .005% in midband)
Noise Less than 1µV RMS maximum residual unweighted wideband noise at main output. (120dB below 1V RMS output)
Gain Input to direct output: 0dB
Input to treble output: 0dB
Input to bass output: +9, -10.5dB
Input impedance 50K ohms
Output impedance 250 ohms main output. Recommended load 60K ohms and 100pF. (20K ohms minimum and 1000pF maximum)
Maximum input 15V maximum
Rated outputs 1V RMS 5Hz to 50kHz, all outputs 100K ohm load (main output capability is 17V RMS output at ½% THD at 1kHz into a 100K ohm load with 17V RMS input)
Power supplies Electronically-regulated low and high voltage supplies. Shielded toroid transformer. Line regulation better than .01%
Crossover points  
Crossover slopes  
Power requirements 100-135VAC 60Hz (200-270VAC 50/60Hz) 55 Watts maximum
Other  
Dimensions 19" (48 cm) W x 5¼" (13.4 cm) H (standard rack panel) x 10¼" (26 cm) D. Handles extend 1 5/8" (4.1 cm) forward of front panel. Rear chassis fittings extend 7/8" (2.3 cm)
Weight 12 lbs. (5.5 kg) Net; 20 lbs. (9.5 kg) Shipping

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