User manual | 302 Compact Production Mixer G

302
Compact
Production Mixer
GENERAL DESCRIPTION
The 302 from Sound Devices is
of audio sources. The 302 accepts a
operate for a full production day on
a compact audio mixer designed
wide range of audio sources and pro-
internal cells (without phantom). Its
for a wide range of audio-for-video
vides phantom (48 or 12 V) or T-power
durable mechanical construction and
applications. Its three full-featured
— selectable per channel.
field-tested design will handle the most
microphone inputs, informative level
metering, and flexible headphone
monitoring provide complete control
The 302 is the smallest and lightest
punishing field environments.
audio mixer in its class. Powered
from three-AA batteries, the 302 can
KEY FEATURES
• Three transformer-balanced mic or
line level inputs
• Lundahl input transformers for
excellent RF and signal handling
• Phantom (48 V or 12 V) or T-power
selected per input
• Limiters on inputs and outputs
(outputs software-controlled)
• MS stereo matrix on input channels
1 and 2
• Two-position high-pass filter, 80 Hz
or 160 Hz @ 12 dB/octave
• Output level adjusted from line to
mic level, controlled in setup menu
• 40-segment, sunlight viewable LED
output meter, software controlled
• Slate microphone and tone
oscillator
• Headphone monitoring of stereo
program, mono program, return
feed, PFL, or MS stereo
• Channel 4/5 option when more
inputs are needed
• Software-controlled User Setups
• Easy access battery tube
• Powered from three-AA batteries or
external 5 - 18 VDC
Sound Devices, LLC
300 Wengel Drive
Reedsburg, WI 53959 USA
Ph: (608) 524-0625
Toll Free: (800) 505-0625
www.sounddevices.com
302
Compact
Production Mixer
Input Panel
Output Panel
KEY SPECIFICATIONS
Maximum Gain, typical (Trim, Fader, Master, Phones RTN fully up):
L/R Gain Matching, Mic In to Line Out:
+/- 0.1 dB
XLR Input
Mic Setting
XLR Input
Line Setting
XLR Output @ factory Line setting
75 dB
35 dB
-
XLR Output attenuated
0 - 16 dB
2 dB steps
40 to 56 dB,
2 dB steps
-
Tape Output TA3-type
61 dB
21 dB
-
Headphones, 1/4-in and 1/8-in
95 dB
55 dB
30 dB
RTN
High-Pass Filters:
Switchable 80 Hz or 160 Hz, 12 dB/oct
Mic Powering (each mic selectable):
Dynamic (no power applied),
12 V Phantom - though 680 ohm resistors, 10 mA per mic available,
48 V Phantom - through 6.8k resistors, 10 mA per mic available,
12 V T-Power - through 180 ohm resistors, 10 mA per mic available
Input Limiters:
+18 dBu threshold, 20:1 limiting ratio, 1 mS attack time, 200 mS release time.
Frequency Response:
20 Hz - 30 kHz, +0.2, -0.5 dB,
-1 dB @ 5 Hz and 50 kHz typical
Temperature:
Operating: –20°C to 60°C, 0 to 95% relative humidity; (non-condensing)
Storage: –40°C to 85°C
Equivalent Input Noise:
-126 dBu (-128 dBV) maximum (22 Hz - 22 kHz bandwidth, flat filter, trim control
fully up)
Output Limiters:
Affects the outputs of the mixer.
Threshold selectable from +4 dBu to +20 dBu,
1 dB steps, 20:1 limiting ratio, 1 mS attack time, 200 mS release time
Input Clipping Level:
0 dBu minimum (trim control fully down)
Power supply:
Internal ±16 V (bi-polar) regulated audio rails, 2.4 - 6 V range internal batteries,
Isolated (floating) external DC input jack, 5-18 V
Locking 4-pin Hirose connector, pin-4 = (+), pin-1 = (-), use Hirose #HR10-7P-4P
(DigiKey# HR100-ND) for locking mating DC connector
Line Output Clipping Level (1% THD):
20 dBu minimum
18 dBu minimum with 600 ohm load
Dynamic Range:
115 dB minimum (trim fully down)
THD + Noise:
0.007% typical (1 kHz, +4 dBu at Line out)
0.009 max (50 Hz to 20 kHz, +18 dBu at Line out, fader fully up)
Output Noise:
-100 dBu (-102 dBV) maximum (22 Hz - 22 kHz bandwidth, flat filter, master gain
fully up, faders fully down)
Features, nomenclature, and specifications
subject to change.
Metering:
40-segment, sunlight-viewable
Selectable peak, VU, or peak (with or without peak hold) + VU ballistics
Weight:
0.85 kg, (1.8 lbs) unpackaged with three alkaline AA batteries
Dimensions:
47 mm x 214 mm x 114 mm (H x W x D)
1.8” x 8.4” x 4.5”
www.sounddevices.com
© 2003, Sound Devices, LLC

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