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Special Features

• Two independent 1200vA toroid power transformers

• Independent transformer windings for driver stage regulators

• Higher driver rail voltages and independent regulation to prevent sag

• 100,000uF computer-grade capacitors in power supply

• Multiple polystyrene bypass capacitors in power supply

• Cascode Class A input stages with matched J-FET pairs

• Hand picked Mosfets in high voltage driver stages

• 24 5OMhz, 15 ampere output transistors, B-matched complements

• Output transistors direct-coupled without inductors

• DC servo direct-coupled audio circuits with 0.3Hz rolloff

• Linear tracking, instantaneous acting DC servos

• Pure Class A operation up to >6 watts output; Class AB-1 thereafter

• Balanced input circuits, XLR connectors, separately switched

• Gold-plated metal structure RCA input jacks

• Multiple temperature sensors and silver-cadmium relay protection

• FR-4 glass epoxy circuit boards, outputs double clad for high current

• Dual mono circuit topology for superior separation past 20kHz

• Proprietary quick-settling bias circuits obviates warmup period

• Silver plated audiophile-grade wiring drivers to outputs

• Precision 1% tolerance Holco and Resista metal film resistors

Содержание HCA-2200II

Страница 1: ...dboard cartons Save your cartons and the styrofoam inserts for future safe transport in case you move or the unit ever requires shipping for repair Note the inner printed carton is not itself strong e...

Страница 2: ...plifier is turned off When making connections make sure there is no strain or tension on input leads or speaker wires that could cause them to pull loose later on lnput connections In most stereo syst...

Страница 3: ...ced or unbalanced inputs 4 Mono Bridging Selector 5 Speaker Terminals 6 Main Fuse 7 AC Power cord receptacle 8 Right channel B B rail fuses 9 Left channel B B rail fuses 10 Carry handles Front Panel 1...

Страница 4: ...ker terminal and the Right channel red speaker terminal The Left and Right black terminals are not connected You must also move the Mono Stereo toggle switch up to mono before turning on the amplifier...

Страница 5: ...he current draw exceeds the ratings of most preamplifier s power switches and power cords and could cause premature failure of the switch not to mention degrada tion of the sound If you use an externa...

Страница 6: ...heat LEDs The Overheat LEDs for Right and Left channels will only illuminate if the HCA 2200II starts to approach its maximum safe operating temperature Multiple temperature sensors continuously monit...

Страница 7: ...mplifier turn it off before moving wires If the same channel stays out it indicates trouble with the power amplifier itself We suggest you contact your authorized Parasound dealer or call Parasound Te...

Страница 8: ...Rate 135V second Frequency Response 2Hz 95kHz 0 1 5dB Total Harmonic Distortion 0 05 at full power 0 009 typical levels TIM Unmeasurable IM Distortion 0 03 Dynamic Headroom 1 5dB lnterchannel Crosstal...

Страница 9: ...direct coupled without inductors DC servo direct coupled audio circuits with 0 3Hz rolloff Linear tracking instantaneous acting DC servos Pure Class A operation up to 6 watts output Class AB 1 therea...

Страница 10: ...ive articles on advanced circuit design and the influence of different capacitor types on the reproduction of music He designed the Symmetry electronic crossover SOTA head amplifier and collaborated w...

Страница 11: ...fier In many cases this will eliminate the problem If this fails to cure the hum it will be necessary to reverse the way theAC plug of the HCA2200II inserts into the wall socket Please do not cut off...

Страница 12: ...used in residential non commercial situations The warran tor assumes no liability for property damage or any other incidental or consequential damage whatsoever which may result from the failure of t...

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