Frequency Response
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20 Hz - 16 kHz
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Maximum SPL, 500 Hz,
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Single driver earpiece:
Dual driver earpiece:
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124 dB-SPL
130 dB-SPL
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Ambient Microphone Input Overload, 500 Hz
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140 dB-SPL
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Full Ambient Mode Insertion Gain
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0 dB
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Monitor Input Sensitivity for 124 dB-SPL, 500 Hz
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3D-M Mixer:
3D-L Mixer, balanced drive:
3D-L Mixer, unbalanced drive (XLR pin 2 hot):
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0 dBV
+3.5 dBV
0 dBV
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Monitor Input Impedance
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3D-M:
3D-L, balanced drive:
3D-L, unbalanced drive (XLR pin 2 hot):
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20 kOhm
10 kOhm
6.7 kOhm
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Ambient Mode Equivalent Input Noise
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27 dBA-SPL
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Monitor Mode Equivalent Input Noise
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Single driver earpiece:
Dual driver earpiece:
(Specifications 3.5 dB higher for 3D-L, balanced drive.)
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-104 dBV, A-weighted
-101 dBV, A-weighted
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Output Noise
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Single driver earpiece:
Dual driver earpiece:
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20 dBA-SPL
23 dBA-SPL
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Limiter
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Type:
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Slow average responding, frequency selective, linked left-right; dual independent for monitor and ambient signals
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Threshold (both operating modes):
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105 dBA-SPL output level
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Monitor signal threshold in Full Ambient Mode:
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85 dBA-SPL monitor signal output level
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3D Ambient Earphones
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Available Models
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3D-1
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Single driver with embedded ambient microphones
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3D-2
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Dual driver with embedded ambient microphones
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Type:
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Full shell, custom-molded, translucent soft silicone
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Receiver:
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Full frequency response, high output balanced armature
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Microphone:
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Full frequency response, high overload; with integral preamplifier
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Cable:
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Heavy duty, flexible, translucent, field replaceable; with split adjuster (zipper) and bend maintainers. Length: 48" standard (custom lengths available).
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3D Bodypack Mixer
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Available Models
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3D-M
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for use with wireless IEM systems (1/8" stereo input)
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3D-L
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standalone hardwired system (LEMO stereo input)
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External Controls
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Power:
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ON/OFF
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Mode Switch:
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Performance/Full Ambient
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Monitor Volume control (3D-L only):
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IEM level, continuous
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Indicator LEDs:
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Battery Condition (2):
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Green and (Red or Yellow)
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Green LED only:
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Battery is fresh.
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Green + (Red or Yellow):
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Battery is partially used, but system retains full power. (Red or yellow LED slowly brightens and green LED dims with continued use.)
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Red or Yellow LED only:
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Reduced headroom condition, limited remaining battery life. Battery replacement indicated
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Monitor Loud (yellow):
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Limiter threshold approached by monitor signal
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Ambience Loud (yellow):
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Limiter threshold approached by ambient signal
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Peak (red):
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Within 6 dB of output stage clipping
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Internal Controls
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Ambient Background (Performance Mode):
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Rotary knob control:
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0 dB insertion gain (FULL) to -24 dB in 4 dB steps, and OFF
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Limiter switch:
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On/Off (does not defeat monitor signal limiting in Full Ambient Mode)
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Earpiece switch:
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Single/Dual Driver
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Power:
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Battery Type:
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9V alkaline (ANSI/NEDA 1604A or equivalent)
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Battery Life:
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6 hours (conservatively rated)
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Current Drain (at idle):
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34 mA
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Physical 3D-M Mixer:
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Overall total dimensions:
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3.1" x 2.75" x 1.5" (7.9cm x 7.0cm x 3.8cm)
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Dimensions less protrusions:
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2.9" x 2.3" x 1.15" (7.4cm x 5.9cm x 2.9cm)
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Net Weight:
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2.5 oz (72g); 4.2 oz (119g) with battery
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3D-L Mixer:
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Overall total dimensions:
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3.3" x 2.75" x 1.5" (8.5 cm x 7.0cm x 3.8cm)
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Dimensions less protrusions:
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2.9" x 2.3" x 1.15" (7.4cm x 5.9cm x 2.9cm)
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Net Weight:
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3.1 oz (88g); 4.8 oz (135g) with battery
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