Stereo lõppvõimendi Parasound A23

Circuitry designed by legendary John Curl

Lucasfilm Home 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

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

700 VA encapsulated toroid power transformer with independent
secondary windings for each channel

40,000 μF power supply filter capacitance

DC Servo and relay protection circuits

AC present, channel status, high temperature displays

Heavy-duty 24k gold-plated 5-way speaker binding posts

Gold-plated RCA input jacks; loop output jacks

Auto turn-on by 12v trigger or audio signal

Rear mounted gain controls, ground lift switch

Continuous power output:
125 watts RMS x 2, 20 Hz - 20 kHz, 8 Ω, both channels driven
225 watts RMS x 2, 20 Hz - 20 kHz, 4 Ω, both channels driven
400 watts RMS x 1, 20 Hz - 20 kHz, 8 Ω

Current capacity:
45 amperes peak per channel

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

Total harmonic distortion:
< 0.06 % at full power

IM distortion: balanced 16 V rms
< 0.04 %

Slew rate:
> 130 V/µsecond

Dynamic headroom:
> 1.5 dB

Interchannel crosstalk:
> 80 dB at 1 kHz;
> 63 dB at 20 kHz

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

Input impedance:
33 k Ω

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

Damping factor:
> 800 at 20 Hz

Voltage:
Switchable for 110V - 120V or 220V - 240V

Dimensions:
17-1/4" w x 4-1/8" h x 13-1/4" d, 3-5/8 " h without feet

Net weight: 12,7 kg