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Next: Panel Layout
Up: Mixer Unit
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AUDIO INPUT AND OUTPUT
Input maximum level ........ : +24dBu
Input impedance ............ : 10K ohms or greater
Output maximum level ....... : +24dBu
Output impedance ........... : 100 ohms or less
FREQUENCY RESPONSE
20Hz to 30KHz or better, +0dB, 3dB down
any single input to any single output
NOISE
80dB S/N ratio or better, +0dBu reference input signal,
any single balanced input to any single balanced output
TOTAL HARMONIC DISTORTION
0.05% THD or better,
any single balanced input to any single balanced output
DIGITALLY-CONTROLLED AUDIO MIXER
configurations ............. : 8x16, 16x8, 32x4, 4 discrete 8x4 (stock)
16x16, 32x8, 32x16 with expansion options
attenuation ................ : 0dB to 63dB
resolution ................. : 1dB (64 steps)
DIGITALLY-CONTROLLED INPUT TRIM
gain ....................... : at least 12dB
resolution ................. : 1dB (64 steps)
INTERNAL ANALOG-TO-DIGITAL CONVERTER (FOR DIGITAL VU METER)
adc resolution ............. : 8 bits
adc acquisition range ...... : -10dBu to +18dBu +/- 1dB
adc acquisition points ..... : all audio inputs (post-buffers)
all audio outputs (pre-drivers)
CONNECTORS
AUDIO INPUT MODULES (4 MODULES TOTAL)
bal/unbal input module ... : (8) tip-ring-sleeve 1/4" phone jacks
AUDIO OUTPUT MODULES (2 MODULES TOTAL)
unbalanced output module . : (8) tip-sleeve 1/4" phone jacks
balanced output module ... : (8) panel-mount 3-pin male XLR/Cannon
PERMANENT
RS232/422 control ........ : (1) female 9-pin D-sub, wired DCE
power .................... : (1) IEC, with EMI/RFI filter & fuse
CONTROLS
power .................... : (1) panel-mount rocker switch
INDICATORS & DISPLAYS
power .................... : (1) T1-3/4 green LED
RS232/422 link data ...... : (1) T1-3/4 bicolor yel/grn LED
multi-function display ... : (1) backlit LCD,
40x2 alphanumeric characters
ENCLOSURE
dimensions ............... : 19 inches wide (EIA rack)
5.25 inches tall (EIA 3 RU)
14 inches deep max
front/rear panel material : aluminum
other panel material ..... : steel, top and bottom vented
module plate material .... : aluminum
case color ............... : satin black
module plate color ....... : satin black
external component layout : as in diagrams below
panel artwork ............ : single color silkscreen, white,
as in diagrams below
CONSTRUCTION
Liquid crystal display shall be covered by transparent acrylic
or equivalent material. PC board mount connectors shall be
used for all back panel connections. These connectors
shall also be mounted to the panel for additional strength.
MARKETING
target retail price ... : $2000 for the base unit, including:
32 balanced/unbalanced line inputs
8 unbalanced line outputs
8 balanced line outputs
4 quad mixer modules
(8x16, 16x8, 32x4, 4x8x4 mixer modes)
additional modules .... : 8 output balanced board (replace one existing)
8 output precision balanced board (replace one)
8 output unbalanced board (replace one)
quad mixer module to expand system
4 additional brings system to 16x16 and 32x8
12 additional brings system to 32x16
8 input equalizer board, 3-band
8 input equalizer board, 4-band (2-parametric)
DSP effects module
modules are installed internally and via
back-panel brackets.
Steve Richardson
2000-07-06
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