M4
mkII
Portable Audio Mixer
Operation Manual for Mixers with PCB V1.5
Copyright 2002
Professional Sound Corporation
Printed in the U.S.A.
Page 1: ...M4mkII Portable Audio Mixer Operation Manual for Mixers with PCB V1 5 Copyright 2002 Professional Sound Corporation Printed in the U S A...
Page 2: ...INPUT LEVELS C MICROPHONE POWERING D LOW CUT FILTER E CHANNEL GAIN F CHANNEL PANS H BOOM POLE REMOTE CONTROL OUTPUTS 7 9 A BALANCED OUTPUTS B MULTIPIN BETA CONNECTOR C OUTPUT LIMITERS D TRANSCRIPTION...
Page 3: ...R DITRIBUTION POWERING 12 13 A INTERNAL POWER NP 1 BATTERY B INTERNAL POWER ALKYLINE BATTERIES C EXTERNAL POWER CONSTRUCTION 13 14 A CHASSIS B ELECTRONIC TOPOLOGY C ENVIRONMENTAL OPERATION D PORTA BRA...
Page 4: ...unctions necessary to produce studio quality recordings in the field It s user friendly features rugged design and sonic purity make the M4mkII Mixer perfect for electronic news gathering ENG electron...
Page 5: ...n C Condenser Microphone 15dB attenuation and L Line Level 50dB attenuation These input level attenuation settings are used to correctly interface sources of varying levels to the M4mkII s preamplifie...
Page 6: ...ilter switches are located on the front of the M4mkII Mixer E CHANNEL GAIN In order to limit noise and increase headroom the channel fader controls are located in the feedback path of the pre amplifie...
Page 7: ...h quality custom made audio output transformers These transformers have been designed to provide wide bandwidth low distortion and real world ease of use Transformers have been chosen over a transform...
Page 8: ...RECORDING TO BETACAM TYPE CAMERAS Most video cameras have limited audio track headroom and can easily be overloaded resulting in distortion of the recorded audio Play it safe use the limiters D TRANSC...
Page 9: ...r We designed this meter to be easy to read and camera emulating Because the most common use of this type of mixer is with Betacams we designed the M4mkII s meters to emulate the peak reading attribut...
Page 10: ...M4mkII Mixer This adjustment is factory calibrated and should not be adjusted without proper measurement equipment C BATTERY TEST In addition to the low battery indicator on the LCD meter the M4mkII...
Page 11: ...ffects the headphone feeds not the main XLR outputs More complete descriptions of the M S and X Y stereo recording techniques can be found in the literature of the major microphone manufacturers such...
Page 12: ...own on the latch and pull out the battery B INTERNAL POWER ALKALINE BATTERIES Eight AA alkaline batteries can also power the M4mkII Mixer These batteries are housed in a convenient battery tray design...
Page 13: ...ally coated with an epoxy powder coating This powder coat paint is then baked on in an oven Powder coating chosen for its durability and environmental friendly characteristics All silk screening is pr...
Page 14: ...SC M4mkII Mixer is especially designed for easy interfacing with all popular Betacam type cameras The M4MKII is equipped with a 10 pin Hirose tm connector on the left hand side panel This all inclusiv...
Page 15: ...ze RF interference through the use of output transformers and other RF filtering It is important to note that transmitter placement greatly affects transmit range and clarity For best results transmit...
Page 16: ...l to Noise 128 5dB EIN 150 Ohms Distortion 00 08 THD Low Cut Filter 100Hz 140Hz 12dB Octave Mic Power DYN 48 PH Oscillator 440Hz Limiter 1mS Attack 100 mS Release 2 7 1 Ratio Warranty 1 Year Limited C...
