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Formula Sound PM-100 User Manual

Modular production

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PM - 100
MODULAR PRODUCTION MIXER
USERS MANUAL

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Summary of Contents for Formula Sound PM-100

  • Page 1 PM - 100 MODULAR PRODUCTION MIXER USERS MANUAL...
  • Page 2 PM - 100 Introduction The Formula Sound PM-100 mixer is essentially the successor to our award winning PM-80 and PM-90 mixers. We believe that the experience we have gained over the past 21 years of producing the PM-80 and PM-90 has produced a mixer that is equal to the challenges of the new millennium. We have incorporated new features and innovations that have been in our file of wish lists from operators around the world.
  • Page 3 PM - 100 UNIVERSAL INPUT MODULE Input Sources. The design of this module allows almost any input source to be used and further allows the operator to switch between any two input sources. This is achieved by providing a balanced low impedance low noise microphone pre amplifier;...
  • Page 4 PM - 100 UNIVERSAL INPUT MODULE continued. Bal - Pan (Stereo balance & Pan) With a stereo source selected this control provides adjustment to balance stereo signals. With a microphone source selected or the mono switch depressed this control allows the source to be positioned anywhere in the stereo image. A centre detent is provided at the control centre position.
  • Page 5 PM - 100 UNIVERSAL INPUT MODULE Internal Settings Jumper links are used to select and change functions. 1-5 uses 3 pin headers and the link should join the centre pin to one of the end pins. 6. Two pairs of pins - the link joins one pair of pins.
  • Page 6 The majority of connections are on the 12V LAMP rear of the unit. MAIN OUTPUT / PFL Monitoring The monitoring section of the PM-100 is very comprehensive. Visual monitoring is provided by a stereo 24 segment led bar graph meter. EXT CONTROL...
  • Page 7 PM-100 Master Module continued A.V.O. (Automatic Voice Over) This function is enabled by the illuminated push button A.V.O. ON. When turned on any microphone signal present will dim the music signals to allow talk over. The amount the music is dimmed is determined by the attenuation control.
  • Page 8 PM-100 Master Module continued CROSSFADE The XF-A and XF-B busses are fed to the crossfade circuitry. The crossfader is a 45mm fader which can be used to smoothly fade between the XF-A and XF-B busses. The crossfade system uses studio quality V.C.A.’s (voltage controlled amplifiers) to Improve crossfader life and also ensure good attenuation at the ends of travel.
  • Page 9 PM-100 OUTPUT MODULE INTERNAL OPTIONS JUMPER LOCATIONS PC- 342 1 2 JUMPER LINKS PC - 344 1 1 JUMPER LINK selects sub bass The position of these links selects microphone output level. (Access by removing back panel) status when priority is activated. Move both links.
  • Page 10: Ground Loops

    When amplifier gain is introduced in a circuit noise is also introduced (this is a fact you cannot have one without the other). The PM-100 has been designed to keep this noise as low as possible by using the latest technology. For the best performance set the gain control as low as possible to achieve the desired output level.
  • Page 11 PM-100 Specifications Frequency response E.Q. set flat 20Hz - 20kHz +/-0.5dB Maximum output level Main output and Zone output active balanced. +20dBV Distortion Stereo, auxiliary, mic busses etc. to related O/P’s < 0.01% typically <0.005% Noise measured 20Hz-20kHz Stereo inputs e.q. flat gain set to max EIN <...
  • Page 12 Formula Sound reserve the right to alter specifications at any time without notice. All Formula Sound products are designed and manufactured in our own factory which enables us to maintain strict quality at every stage of manufacture. This attention to detail has helped to win us 14 industry awards to date and has earned us a world wide reputation for the high quality and reliability of our products.