BSS Audio Omnidrive FDS-388 Specifications download pdf (Page 7)

1.0 Introduction

Introduction

The OMNIDRIVE

system represents a radical step forward in DSP processing

for loudspeaker management, incorporating BSS’s vast experience in crossover

design and combining two channels of 4-way crossover, parametric

equalisation, digital delay lines and limiters, and is designed for use in all areas

of sound control. A compact 2U chassis means reduced interconnections

cabling and rack weight, while increasing rack space availability. Major

facilities include password protection, automatic correction for HF response

with humidity and delays with temperature.

The user front-end is remarkably simple, combining a real-time graphical

display with an analogue-like output control section with led meters for full

indication of system performance. The screen shows crossover response, EQ

curves plus delay and limiter data in high-resolution graphics. System settings

can be stored in up to 60 user memories, for quick and easy setup.

The crossover sections can be configured as stereo 2, 3 or 4 way, with the

option of setting one stereo band as a mono-lo output for sub-bass processing.

Various filter types may be selected with slopes of 12, 18 or 24dB per octave.

Parametric EQ is provided as two sections of fully adjustable EQ per band of

processing, one section being optionally configured as a 0-180 degree

adjustable phase control, with polarity switching as standard through a

separate independent function. The EQ range is 15Hz to 16kHz, gain

adjustable +/- 15dB, with a Q from 0.05 to 3 octaves, switchable between bell

or shelving response.

The limiters are located mid-band, an optimal configuration originated by BSS

and now widely adopted. Each band also incorporates a delay line, with

adjustable delay in unusually fine 10 microsecond steps up to 650 milliseconds

and displayed and adjusted in feet, metres or milliseconds.

Data Archive to PCMCIA memory card.

Optional Digital I/O cards.

Optional Humidity / Temperature probe for auto correction system.

MIDI Interface / Open Architecture port.

1.1 OMNIDRIVE

Loudspeaker

Management

System

1.2 Other features

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BSS Audio Omnidrive FDS-388 Specifications Page 7