Parasound(파라사운드) 파워앰프 (Power Amplifier) Parasound(파라사운드) 5채널 파워앰프 A51

할로 5채널 파워앰프! 채널당 250W의 출력!

이 가격대에 최고의 성능을 보이며 세계적으로 검증이 끝난 제품!!

FEATURES

Circuitry designed by legendary John Curl

THX Ultra2 certified

High bias Class A/AB operation

Balanced inputs with discrete circuits and XLR connectors

Direct Coupled - no capacitors or inductors in signal path

Complementary MOSFET driver stage and JFET input stage

40 beta-matched 15 amp, 60 MHz bipolar output transistors

2.2 kVA encapsulated toroid power transformer with independent
secondary windings for each channel

164,000 μF power supply filter capacitance

DC Servo and relay protection circuits

AC present, channel status, high temperature indicators

Heavy-duty 24k gold-plated 5-way speaker terminals

Gold-plated RCA input jacks; ground lift switch

Auto turn-on by 12v trigger or audio signal

4u Chassis, carry handles, rack mounting adapter included

SPECS

Continuous power output:
250 watts RMS x 5, 20 Hz - 20 kHz, 8 Ω, all channels driven
400 watts RMS x 5, 20 Hz - 20 kHz, 4 Ω, all channels driven

Current capacity:
60 amperes peak per channel

Power bandwidth:
5 Hz - 100 kHz, +0/-3 dB at 1 watt

Total harmonic distortion:
< 0.2 % at full power

IM distortion: balanced 16 V rms
< 0.04 %

Slew rate:
> 130 V/µsecond

Dynamic headroom:
> 1.5 dB

Interchannel crosstalk:
> 78 dB at 1 kHz;
> 63 dB at 20 kHz

Input sensitivity:
1 V for 28.28 V, THX Reference Lev

Input impedance:
47 k Ω unbalanced; 94 k Ω balanced

S/N ratio:
112 dB, input shorted, IHF A-weighted

Damping factor:
> 1100 at 20 Hz

Voltage:
110V - 120V

Dimensions:
17-1/2" w x 7-5/8" h x 20" d, 7" h without feet

Net weight: 80 lb.