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boards Ease of service Long-term reliability Applications Sound system equalization Recording studio tuning Resonance elimination Early echo suppression Outboard recording EQ The Meyer Sound CP-10 Complementary Phase Parametric Equalizer is a two-channel unit, each channel comprising five bands of fully parametric equalization and individual high-and low-cut shelving filters. The CP-10 is designed for precision room equalization in sound reinforcement or studio monitoring, and features Meyer Sound’s exclusive Complementary Phase circuitry. Capable of matching exactly the properties of typical acoustic resonances and reflections, this unique circuitry makes possible simultaneous improvements to an installed system’s amplitude and phase response. The CP-10 equalizer is an integral component of Meyer Sound’s proprietary SIM® (Source Independent Measurement) system. Coupling highresolution, in-concert, multiple-point measurement with Complementary Phase equalization, this revolutionary technology assures unprecedented sound system performance — even in the most difficult acoustical environments. (For more information on SIM, contact Meyer Sound.) The CP-10 also serves as a very effective, high-quality outboard equalizer for music recording. Its graceful, symmetrical parametric filters and natural phase characteristics ensure maximum flexibility with minimum sonic perturbation. Coupled with very low harmonic distortion and a 110 dB dynamic range, these attributes place the CP-10 in a class with the finest outboard equalizers available. With specifications to meet the most demanding professional requirements, the Meyer Sound CP-10 offers uncompromised performance in recording and reinforcement applications. Individually socketed, field-replaceable circuit cards and automatic bypass switching ensure maximum reliability with extended use. Meyer Huf Sound Meyer Sound Laboratories, Inc. 2832 San Pablo Avenue Berkeley, CA 94702 (510) 486-1166 FAX (510) 486-8356 CP-10 Specifications Frequency Response1 20 Hz - 20 kHz ±0.5 dB Total Harmonic Distortion2 < 0.01% Hum and Noise -90 dBV “A” weighted, unbalanced Dynamic Range3 110 dB Inputs Type Balanced active Impedance 20k ohms balanced Level4 +4 dBu nominal, +20 dBu maximum Outputs Type Balanced active push-pull Impedance 300 ohms, 150 ohms per branch unbalanced Level +4 dBu nominal, +26 dBu maximum Controls Front Panel EQ In/Out, Center Frequency, Bandwidth, Boost/Cut, Lo and Hi Shelving Cut Rear Panel Ground Lift switch, Gain switch, AC Voltage switch Indicators Power Green LED Ready Green LED Clip (Input and Output) Red LEDs Connectors 3-pin XLR male (outputs) and female (inputs) Power 120/240V AC, 50/60 Hz, rear-panel switchable Physical Dimensions 19" W x 3 1/2" H x 7 1/2" D standard rack mount Weight 13 lbs (5.9 kg) The clearly marked front panel includes individual in/out switches for each equalization band, with separate, calibrated frequency, bandwidth and boost/cut controls. LEDs indicate power status and signal clipping. Signal flow through the device is controlled by a delayed relay which allows the CP-10 circuitry to stabilize before it is engaged. When power to the CP-10 is interrupted, input signals are bypassed directly to the corresponding outputs. The front panel may be removed without affecting control settings, and each equalization stage resides on a separate, gold-socketed circuit card for ease of service. An optional smoked plastic security cover discourages tampering in fixed installations. Notes: 1. All equalization circuits out. 2. 1 kHz input at +4 dBu 3. “A” weighted noise floor to maximum RMS output 4. Within the operating band of each channel, maximum input level is the minimum worst-case level achieved before clipping. Individual In/Out switches for each frequency band Center frequency selection (10:1 range) Bandwidth control (0.1 octave to 1.1 octaves, continuously variable) Boost or cut (± 16 dB) High and low shelving cut filter controls LEDs indicate power status and A ground lift switch floats audio common (XLR connector pin 1) from the chassis. (Earth and chassis are always connected for safety.) A gain switch adjusts for unity gain with either balanced or unbalanced input signal connections. (Outputs remain balanced at all times.)...