The 3.6SP is three input/six output digital signal processor capable of precise
control of broad range of audio functions. The front panel interface
allows quick access to all control parameters by offering dedicated function
buttons, eliminating the need for hidden sub-menus. backlit x 20 character
LCD displays channel and function settings. Dedicated buttons provide
access to all audio functions and system tools. For even faster set-ups and
stronger visualization of Input/Output routing, EQ, and Filter curves, two USB
(one on the front and one on the rear panel) and RS-232 port is provided for
use with Ashlys control software (Protea Software Suite) and PC. six foot
USB-A to USB-B cable is provided. Advantages of using the software include
greater preset capacity, and very intuitive visual representation of the audio
routing and control process.
The Protea 3.6SP utilizes state of the art DSP technologies, beginning with 24
bit, 48kHz delta-sigma A/D converters with 128x oversampling. Digital processing
includes Gain, Polarity Invert, Parametric EQ, Shelving Filters, Time Delay,
Crossover Functions, Compression, Limiting, and Signal Routing, all taking
place in twin 120MHz high performance DSP processors. D/A conversion uses
24 bit delta-sigma converters with 128x oversampling. All inputs and outputs
are precision balanced and RF protected using XLR connectors.
Each input allows you to control gain, delay and six filters (each of them
your choice of parametric, low or high shelf). In addition to setting crossover
frequencies, each output may be assigned to any one or combination of
inputs, allows you to program four parametric, low or high shelf filters, delay
for time delay adjustments, output gain, reverse polarity and compressor/
limiter for speaker protection. All this in one rack space with XLR input and
The 3.6SP will store up to 30 total presets. preset file takes snapshot of
all current settings and stores complete control data for all channels and all
audio functions. The Protea 3.6SP is similar to the older Ashly Protea 3.24CL/
CL-d. An existing preset file from the older *.pcc format can be loaded onto
the new 3.6SP unit.
In all, the Protea 3.6SP is powerful, easy to use processor for use in live
sound or fixed installation applications combining precise audio processing
and superior sound.