Parasound hca 750 a brochure
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High Current Amp! fiers
JCAI==75Q9A
Parasounds High Current Amplifiers offer explosive power with uncompromised sound quality. Our focus
on a high current/high bias design influenced by John Curl, utilizes complimentary discrete circuitry to assure
every watt is crystal clear and available for crisp vocals. magnificent explosions, and dynamic music. Each amplifier
features I2 volt DC triggers.gain controls, and bullet-proof protection for ease of use and peace of mind. Give us
the most demanding music or the most action packed soundtrack, and you will love what you hear.
Features Specifications
High bias Class AIAB operation Continuous power output:
Direct coupled - no capacitors or inductors in signal path 75 watts RMS x 2. 20 Hz - 20 kHz, 852, both channels driven
Input stage uses hand matched complementarijETs I25 watts RMS x 2,20 Hz - 20 kHz, 49, both channels driven
8 beta-matched I5 amp, 50 MHZ bipolar output transistors 250 watts RMS x I,20 Hz - 20 kHz, 89
500VA toroid power transformer with Current capacity: 20 amperes peak per channel
independent secondary windings for each channel Power bandwidth: 5 Hz - I00 kHz, +0/-3 dB at I watt
28,000 uF power supply filter capacitance Total harmonic distortion: < 006 % at full power
Independent power supplies for each channel IM distortion: < 004 %
DC Servo and relay protection circuits Slew rate: > I30V/usecond
AC present, standby/normal,current overload indicators Dynamic headroom: > L5 dB
Gold plated RCA input jacks, loop output jacks Interchannel crosstalk: > 80 dB at I kHz;> 63 dB at 20 kHz
I2 volt DC automatic turn-on circuitry Input sensitivity: 0:775V for full output
Heavy duty 24k 5-way speaker binding posts Input impedance: 33 k9
Rear mounted gain controls; ground lift switch S/N ratio: > I I0 dB,fuII power, input shorted, IHFA-weighted
Rack mounting adapter available Damping factor: > 800 at 20 Hz
Parasounds I0 years parts,5 years labor warranty Dimensions: I7-I/4II w x 4" h x I3-I/4" d, 3-I/2" h without feet
Net weight: I8 Ibs.
PARASOUND
Parasaund Pruduets, Inc. 950 Battery Street, San Francine, CA 94111
415-397-7100 / FAX 415-397-0144 wwwpurasoundmom