Amplifier
The 3
Parasound’s Halo A 23 Amplifier is the ultimate combination of cutting edge
Series
balanced XLR inputs, this mighty amp will make any speaker sound better than ever before. The A 23 two
channel amplifier boasts 125 watts of THX Ultra 2 certified power per channel, and it looks as amazing as it
sounds. Whether it’s movies or music, the A 23 will knock your socks off!
technology, superb craftsmanship, and stunning industrial design. With high
current Class A/AB amplification, smooth sounding MOSFET drivers, and
Features
Circuitry designed by legendary John Curl
Lucasfilm Home THX Ultra 2 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
785 VA encapsulated toroid power transformer with
independent secondary windings for each channel
48,000 mF power supply filter capacitance
DC Servo and relay protection circuits
AC present, channel status, high temperature displays
Gold-plated RCA input jacks, loop output jacks
Auto turn-on by 12v trigger or audio signal
Heavy-duty 24k gold-plated 5-way speaker binding posts
Rear mounted gain controls, ground lift switch
2u Chassis, carry handles, rack mounting adapter available
Parasound’s 10 years parts, 5 years labor warranty
Parasound Products, Inc. 950 Battery Street, San Francisco, CA 94111
415-397-7100 / FAX 415-397-0144 www.parasound.com
Specifications
Continuous power output:
125 watts RMS x 2, 20 Hz - 20 kHz, 8W, both channels driven
200 watts RMS x 2, 20 Hz - 20 kHz, 4W, both channels driven
400 watts RMS x 1, 20 Hz - 20 kHz, 8W
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: < 0.04 %
Slew rate: >130 V/msecond
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 kW
S/N ratio: > 112 dB, input shorted, IHF A-weighted
Damping factor: > 800 at 20 Hz
Voltage: Switchable for 110V – 120V or 220V – 240V operation
Dimensions: 17-1/4” w x 4-1/8” h x 13-1/4” d, 3-5/8” h without feet
Net weight: 28 lbs.