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Symetrix 628 Specifications

Digital voice processor
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PRE-AMP
DE-ESSER
MIC
LINE
CLIP
PHANTOM
-12
-9
-6
-3
-2
-1
ACTIVE
628
DIGITAL VOICE
PROCESSOR
15
75
-12
+20
GAIN
FREQUENCY
THRESHOLD
-15dB PAD
(dB)
(kHz)
(dBFS)
NORM
O
V E R A DE C A DE A G O S Y M E T R I X I N T R O DU C E D T H E V O I C E P R O C E S S O R to the audio
industry. N ow Symetrix unveils the 628 Digital V oice Processor, our latest design to meet the
needs of vocalists and voice talent. T he 628 rolls a premium quality microphone preamplifier, 20 bit
A/D and D/A converters, de-esser, expander/gate, compressor and parametric equalizer into a single rack
space unit. T he 628 combines proven digital signal processing and an easy to use analog-like interface
with the power of factory and user programmable presets.
T op notch voice professionals now demand
personalized signal processing. T he Symetrix 628
gives you the ability to create and store in
memory 119 custom presets. Y ou can get on the
air instantly by selecting from 8 finely tuned
factory presets.
N eed to provide a quick way for talent or
producer to change presets? Using a generic
programmable M IDI remote, you can recall any of
the 628's 127 presets (plus the bypass preset) via
M IDI's SysEx load program protocol.
T he 628's first stage is a proprietary
transformerless and capacitorless mic preamp
incorporating filters to destroy radio frequency
interference. A switchable 15 dB pad prevents
overloading by hot condenser microphones. A
front panel L ED indicates when phantom power
is on. If you're into high end tube preamps then
you can select line level input from the 628's front
panel and bypass the 628's preamp.
T uning the 628's de-esser to the offending
frequency minimizes overly bright sibilance
without resorting to brute force equalization to
solve the problem. T he T H R ESH O L D control
lets you precisely apply this frequency selective
gain reduction. L ED metering displays the degree
of de-esser action.
T he 628's Expander/G ate affords more control
than its analog precursor. Independent R AT IO
and R EL EASE controls allow tuning of the
expander/gate to fit any studio noise or performer
isolation requirements. An L ED meter shows the
amount of downward expansion or gating taking
place.
Symetrix Inc. Mountlake Terrace, WA, USA Tel (425)778-7728 Fax (425)778-7727 www.symetrixaudio.com
EXPANDER/GATE
COMPRESSOR
-18 -15
-12
-9
-6
-3
ACTIVE
-12
-9
-6
THRESHOLD
RATIO
RELEASE
THRESHOLD
RATIO
(dBFS)
(X:1)
(Sec)
(dBFS)
(X:1)
M ost compressor designs use a " one size fits all"
approach to compression; the design of the 628
reflects the realization that voice and mixed music
require different design philosophies. W hile the
control complement is simple (T hreshold, R atio
and R elease), each has been highly optimized for
voice work. T he result is a compressor that can
tightly control gain (from hard compression to
gentle level control) with minimal or no side
effects.
T hree overlapping bands of digital parametric
equalization round out the processing power of
the 628. T he equalizer can notch out interfer-
ence, boost low frequency energy, cut mid-range
grunge and brighten a muddy, dull voice
simultaneously. T he 628's parametric approach
to equalization allows cuts and boosts exactly
where needed to make every voice sound
outstanding.
T hree seven segment L EDS display all parameter
values and preset numbers. An output level meter
continuously monitors the 628's output. Digital
sample rates of 48, 44.1 and 32 kH z are selected
by a rear panel switch. Balanced and unbalanced
analog outputs as well as AES3 and S/PDIF
digital outputs are provided.
All voices are different, but the right tool box
gives you all the functions you need to make
anyone sound their best. W ith its processing
power, programmable presets and digital output,
the Symetrix 628 Digital V oice Processor is the
complete voice processing tool box. •
628 Digital Voice Processor
PARAMETRIC EQ
LOW
MID
HIGH
-3
-2
-1
ACTIVE
(20-500Hz)
(160-6300Hz)
(680-20kHz)
RELEASE
FREQUENCY
BANDWIDTH
CUT/BOOST
(Sec)
(kHz)
(Oct)
(dB)
MASTER
ACTIVE
28 24
20
16
12
8
4
CLIP
HEADROOM (dB)
LOAD
OUTPUT
PRESET
LEVEL
NUMBER
APPLICATIONS
On-Air microphone processing
Broadcast production
Video and film post production
audio sweetening
Live performance voice
processing
Analog to digital conversion
FEATURES
Easy, intuitive operation - No
menus to step through
Precise parameter adjustment
with rotary knobs
128 processing presets
Plug & Play operation with 8
factory presets
Independent metering of
processing functions
AES3 or S/P DIF digital output
Microphone and line level inputs
628
SAVE

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Summary of Contents for Symetrix 628

  • Page 1 V E R A DE C A DE A G O S Y M E T R I X I N T R O DU C E D T H E V O I C E P R O C E S S O R to the audio APPLICATIONS industry. N ow Symetrix unveils the 628 Digital V oice Processor, our latest design to meet the On-Air microphone processing needs of vocalists and voice talent.
  • Page 2 117V nominal, 105 to 125V AC, 50 to 60 Hz, 15 watts Maximum Cut/Boost ±15 dB 230V nominal, 205 to 253V AC, 50 Hz, 15 watts PROGRAM 1 PROGRAM 2 PROGRAM 3 PROGRAM 4 Publication ©1998 Symetrix, Inc. Symetrix Inc. Mountlake Terrace, WA, USA Tel (425)778-7728 Fax (425)778-7727 www.symetrixaudio.com...