Instruction d'utilisation Whirlwind MIX 6

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U.S. Audio
whirlwind OPERATIONS MANUAL
Mix 6
STEREO MIXER

INTRODUCTION UNPACKING
US Audio has made e\'erv effort to ensure that your equipment is received
Thank you for selecting the US Audio Mix 6. The Mix 6 delivers the ultimate
in the same perfect condition it was in when it left the factory. Please
in sonic performance for the most demanding professional mic and line
inspect your product for any signs of damage during shipping and report
mixing applications. Utilizing the Analog D

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THEORY OF OPERATION The US Audio Mix 6 has four mic or line input channels and two stereo aux line inputs. All of the XLR and 1/4” input and output jacks, except aux 1, are active electronically balanced circuits. The The output section of the Mix 6 was designed to accommodate any configuration, line or mic level input sections of channels 1-4 on the Mix 6 use the relatively new Analog Devices 2017 integrated balanced or unbalanced XLR and balanced or unbalanced 1/4” connectors. Each channel

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the “in” position and lifts the signal when “out”. Signal to the headphone switch is CONTROLS AND CONNECTIONS always on. 1. Channel Volume Pots control input signals over a range of 7. Master Volume Pots determine the amount of signal from the summing amps that is fed to the output drivers and the meters. These also have a gain range of -60 to 6OdBm attenuation at full off to 2OdBm of gain at full on. i-2OdBm. 2. Pan Pots are dual pots with center detent, offering over 65dB of stereo isolatio

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12. Input 1/4 TRS and XLR Jacks are AC coupled through phantom blocking capacitors with pin 2 being positive wired to tip, pin 3 being negative wired to ring and pin 1 being common wired to 19. Phantom Power Switch activates 48V DC on channel 1-4 XLR sleeve. inputs. Status is indicated by the front panel LED. Each of the mic inputs is filtered to eliminate crosstalk through the supply rail and phantom power is isolated from the TRS jacks. 13. Input MidLine Switch is connected to an active

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INPUT SIGNAL INPUT HEADROOM RESIDUAL MIC/LINE GAIN TO NOISE LEVEL MAX OUT NOISE SWITCH RATIO 10 Line 0 12 101 -91 0 Line 0 22 91 -91 0 Line 10 12 92 -82 -10 Line 20 12 82 -72 -10 Line 30 2 82 -62 -20 Line 33 9 72 -59 -20 Mic 36 6 105 -89 -30 Mic 36 16 95 -89 -40 Mic 40 22 85 -85 -40 Mic 50 12 86 -76 -50 Mic 50 22 76 -76 -50 Mic 60 12 76 -66 -60 Mic 60 22 66 -66 -60 Mic 70 12 68 -58

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SPECIFICATIONS Frequency Response LED Clip Threshold +19dBm unbalanced Line mode ± 3dB, 6Hz to 40kHz +25dBm balanced -0.4dB @ 20Hz -.8dB @ 20kHz THD+N (Total Harmonic Distortion + Noise) Mic mode ± 3dB, 18Hz to 36kHz .005% @ 1kHz -2.5dB @ 20Hz .02% 20Hz to 20kHz -1dB @20kHz Phantom Power + 48 Volts DC Maximum Input Level Line mode +22 dBm unbalanced Power Consumption .27 Amps Max AC @ 120 VAC +28 dBm balanced .27 Amps Max AC @ 230 VAC Mic mode - 14 dBm unbalanced +28 dBm balanced AC Dropout V