Sound Devices MM-1 User Manual And Technical Information Download Page 1

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MM-1

Microphone Preamplifier

with Headphone Monitor

User Guide and Technical Information

Sound Devices, LLC

E7556 State Rd. 23/33 • Reedsburg, WI • USA
+1 (608) 524-0625 • fax: +1 (608) 524-0655
Toll-Free: (800) 505-0625
www.sounddevices.com
[email protected]

Summary of Contents for MM-1

Page 1: ...ifier with Headphone Monitor User Guide and Technical Information Sound Devices LLC E7556 State Rd 23 33 Reedsburg WI USA 1 608 524 0625 fax 1 608 524 0655 Toll Free 800 505 0625 www sounddevices com support sounddevices com ...

Page 2: ...f 66 dB of gain in eleven discrete steps for accurate repeatable gain settings Dynamic range exceeding 120 dB 10 Hz to 50 kHz audio bandwidth High immunity to RF interference due to transformers RF filtering and all metal construction High current line output driver capable of driving very long cable runs Premium Lundahl input transformer with superior sonic quality and freedom from interference p...

Page 3: ...ctronically balanced 22k ohm input impedance Output Line Transformer balanced 130 ohm output impedance Headphone Output Impedance Unbalanced 200 ohms Frequency Response Monitor In 10 Hz 50 kHz 0 5 dB gain at 50 Frequency Response headphones 10 Hz 50 kHz 0 5 dB gain at 50 Input Clipping Level Monitor In Greater than 30 dBu High Pass Filter 80 Hz or 160 Hz switch selectable 6 dB per octave Phantom P...

Page 4: ...h 3 Limiter Switch Activates the peak limiter Limits to 17 dBu output 4 Limiter Peak LED Bi color LED illuminates red at 3 dB below clipping illuminates amber to indicate limiter activity 5 Monitor In Gain Controls the level of Monitor Input signal 6 Phones Gain Controls the overall headphone monitor level of both preamp audio and monitor audio 7 Headphone Connector 1 4 inch TRS mono headphone out...

Page 5: ...witch Three position switch selects Phantom power T power 12 Volts or no power DYN position WARNING Do not use T powering with phantom powered or dynamic microphones see Microphone Powering 6 Battery Compartment Requires two AA batteries for operation Insert positive end of battery first 7 External DC Input Connector Accepts 5 17 VDC pin sleeve Bottom Panel Switches 1 The bottom panel switches are...

Page 6: ...onnected balanced dynamic microphone will not be affected by the presence of phantom power nor will it draw any current However it is good practice to turn phantom power off if the microphone cable is suspect Poor or incorrectly wired microphone cable can cause audible artifacts in the microphone signal Phantom is an excellent cable tester T powering is a specific powering topology needed only for...

Page 7: ...ery chemistry ambient temperature of operation microphone powering and headphone drive levels Experimentation is recommended to determine battery life for each individual setup Nickel cadmium batteries are not recommended in the MM 1 These batteries have low energy per cell versus other types and provide very short operation Battery Type Operational Characteristics Battery Life Duracell AA MN 1500...

Page 8: ...o microphones transformer isolate grounds and to verify microphone audio in headphones Wireless Boom Operator The MM 1 can be used to allow a boom operator to have an un tethered connection to a production van or mix position The microphone is connected directly to the MM 1 and the boom op can hear microphone audio directly in headphones The MM 1 is used to power the microphone and provide gain Th...

Page 9: ...all audio level and the level of the mix minus feed Podium Microphones Often podium microphones have long cable runs and see multiple audio consoles Using an MM 1 between podium microphones and mixing consoles provides needed isolation for the microphone Because the MM 1 has transformer coupling for both inputs and outputs the potential for ground loops is substantially reduced Driving line level ...

Page 10: ...mena 3 1997 Magnetic immunity 50 Hz to 10 kHz CISPR 22 EN55022 2003 Radiated and conducted emissions Class B EN61000 4 2 2001 IEC61000 4 2 2001 ESD 4 kV contact 8 kV air discharge EN61000 4 3 2001 IEC1000 4 3 2001 Radiated RF immunity 10 V m 80 1 kHz amplitude modulation EN61000 4 4 2001 IEC61000 4 4 2001 AC power ports EFT Burst I O lines 0 25 kV to 1 0 kV power line 0 5 kB 1 kV EN61000 4 4 2001 ...

Page 11: ... ARISING OUT OF OR RELATING TO THE PRODUCTS THESE TERMS AND CONDITIONS OR THE PARTIES RELATIONSHIP INCLUDING WITHOUT LIMITATION DAMAGES RESULTING FROM OR RELATED TO THE DELETION OR OTHER LOSS OF AUDIO OR VIDEO RECORDINGS OR DATA REDUCED OR DIMINISHED AUDIO OR VIDEO QUALITY OR OTHER SIMILAR AUDIO OR VIDEO DEFECTS ARISING FROM RELATED TO OR OTHERWISE ATTRIBUTABLE TO THE PRODUCTS OR THE END USER S US...

Page 12: ... do not permit the exclusion or limitations set forth above they may not apply in all cases For all service including warranty repair please contact Sound Devices for an RMA return mer chandise authorization before sending your unit in for repair Product returned without an RMA number may experience delays in repair When sending a unit for repair please do not include ac cessories including SSD dr...

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Page 14: ...MM 1 User Guide Printed in U S A ...

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