3. Welcome to the PS8
Welcome to the ARC Audio family of performance signal processors and thank you for your purchase of
the ARC Audio PS8 car audio digital sound processor. The PS8 is the most advanced car audio processor
on the market placing the focus of its entire development on placing the power of tuning back into the
hands of the user and the listener. The unit is a unique combination of the highest quality analog and
digital components available giving all levels of user and/or enthusiast the nest product available
whether you are a competitor or simply enjoy music being reproduced as it was intended.
Developed exclusively for ARC Audio by Robert Ze, Richard Greenway, Brent Waddell, Fred Lynch and
Brad Ott, the ARC Audio PS8 features leading edge technology and design oering listeners in real time
the most transparent and dynamic sound possible of any processor available to the 12 volt market today.
Using the hands on experience and knowledge of the championship ARC Audio sound quality competi-
tion team with most every audio processor designed since the early 90's, the PS8's user interface oers
multiple levels of operation giving all users from the most experienced professionals to every day enthu-
siast's just getting started, the most in-depth and easy to use tuning capability of any digital sound pro-
cessor on the market.
The ARC Audio PS8 gold plated audiophile designed main PCB uses a specically designed audio grade
32-bit DSP main processor optimized for operation at 192 kHz and 170mHz operating speed with Dual
72-bit algorithmic volume control processors, eliminating signal compression as volume is increased,
giving the PS8 the most transparent, dynamic and musical signal processing capability of any processor
on the market. In addition, the main DSP in the PS8 uses 32-bit DA/AD converters capable of operating at
192 kHz and a multi channel DSD direct stream digital input, increasing the exibility of applications and
input types available without any compromise to the sound quality of the end product.
Oering 6 channels of fully dierential analog inputs for RCA (Low Level) or Speaker (Hi Level ) operation
with summing capability, Optical and Digital Coaxial inputs, and optional 3.5mm unbalanced accessory,
input the PS8 gives users the ability to customize their own personal listening experience in most any
variation of aftermarket or OEM application.
Leaving no stone unturned, the PS8's PC based user interface oers users the largest and most extensive,
highest resolution selection of user dened tuning features available in any car audio processor on the
market. Features include phase correct crossovers with selectable LP/HP/BP/AP on all 8 output channels,
including Linkwitz-Riley, Butterworth, Variable "Q", and Bessel damping options, 1,998,000 precision
selectable crossover points and 6/12/18/24/30/36/42/48 dierential capable slopes on each of the PS8's
output channels. Other features include linkable .01ms resolution signal delay, input and output phase
invert control, an almost unlimited variation I/O signal mixer, precision signal input and output level
controls and an industry rst, user dened 8 channels of 31bands per channel 1/3rd octave or 31bands
per channel of fully customizable parametric equalization with single channel and multi channel
"Global" capability, with over 2,284,996,608,000,000 user dened variations at your nger tips.
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