Parasound hca 855 a brochure
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High Current Amp! fiers
JCAIaSSSA
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. Every
amplifier features I2 volt 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 85 watts RMS x 5. 20 Hz - 20 kHz, SQ, all channels driven
Input stages use hand matched complementarijETs I25 watts RMS x 5, 20 Hz - 20 kHz, 49, all channels driven
20 matched I5 amp. 50 MHZ bipolar output transistors Current capacity: 30 amperes peak per channel
Massive I kVA toroid power transformer with Power bandwidth: 5 Hz - I00 kHz. +0/-3 dB at I watt
independent secondary windings for each channel Total harmonic distortion: < 003 % at full power
68,000 [1F power supply filter capacitance IM distortion: < 003 %
Independent power supplies for each channel Slew Rate: > I30V/usecond
DC Servo and relay protection circuits Dynamic headroom: > L5 dB
AC present, standby/normal, current overload indicators Interchannel crosstalk: > 80 dB at I kHz; > 60 dB at 20 kHz
Gold plated RCA input jacks Input impedance: 33 k9
I2 volt DC automatic turn-on circuitry Input sensitivity: | V for 28:28V, I:2V for full output
Heavy duty 24k 5-way speaker binding posts S/N ratio: > I IS dB,fuII power, IHF A-weighted
Rear mounted gain controls and rear handles Damping Factor: > 800 at 20 Hz
Rack mounting adapter available Dimensions: l7'I w x 6" h x I6" d, 5- I/ " h without feet
Parasounds I0 years parts, 5 years labor warranty Net weight: 4| Ibs.
PARASOUND
Parasaund Pruducts, Inc. 950 Battery Street, San Franciscu, CA 94111
415-397-7100 / FAX 415-397-0144 wwwpurasoundmom