Agenda - Council - 09/28/1982 - Laserfiche WebLink

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.~,.~:: .; , . . * .: : .: . . .. -: .-;.,, 2%" h x ~1%" w x 5V4" d MODELS;M68 ~ Md8FC · M68P -,M68~ 8Shure Mmrophone Mixers are a practical, efficient and econom- ical way to increase the efficiency, usefulness and flexibility of public-address and paging systems, or tape recorders using more than one microphone or other sound source. (One prime ex- lample: extra microphones can be placed in the audience for question-and-answer sessions.) These mixers are unique in that they satisfy the re. quirements of most sound system installa- tions and serious [ape recording enthusiasts, while being light -: enough to be portable, simple to operate and modest in cost. ::. · Each .microphone (or other sound source) can be independently balanced for volume without affecting any of the other inputs. In addition to independent volume controls, a master volume con- trol simultaneously controls the gain of all inputs. The M68 can i[therefore be used as a conveniently-at-hand sound system volume control in situations where the regular amplifier is located some !distance away. i M~del M68 Mixer.'~nput connections are MALE professional 'three-pin audio connectors* for 120 Volts AC -+ 10% 50/60 Hz. Model M68FC Mixer. Input connections are FEMALE profes- sional three-pin audio connectors* for 120 Volts AC ±10% 50] 60 Hz. Model M68FCE Mixer. Same as M68FC, but for both 120 Volts AC -+10% 50/60 Hz and 240 Volts AC +-10% 50/60 Hz with 3 Conductor Cable. Model M68P Mixer. Input connections are phone plug (high impedance only). 120 Volts AC ±10% 50/60 Hz. REVERBERATION MIXERS Model M68RM. 4-channel Reverberation Mixer. Female pro- fessional three-pin audio connectors* 120 Volts +-10% AC, 50/60 Hz. Model M68RM-2E. Same as M68RM but for 240 Volts AC 50/60 Hz. 3 Conductor Cable. "Designed to mate with Cannon XL series, Switchcraft A3 series or equivalent connector. Power Consumption: 3 watts. Microphone Inputs: Accept Dynamic, Ribbon or Condenser mi- crophones (not recommended for crystal or ceramic micro- phones), either high impedance (unbalanced) or Iow impedance (balanced transformer input). Input impedance for each micro- phone is selected by a slide switch. You can use one type or model microphone, or mix several types and impedances, (Model M68P, is High Impedance only.) Auxiliary Input: High level--accepts output of additional M68 Series Mixer, tape recorder, tuner, or phonograph signal (with additional preamplifier). Controls: Four individual Microphone Volume Controls to raise or lower the level of sound from each microphone. Auxiliary Input Volume Control adjusts sound level of tape recorder, phono- ! Specifications for M68 Series Mixers Type: Transistorized. graph, tuner or additional mixer. Master Volume Control simul- Frequency Response: Flat ±3 db, 40 to 20,000 Hz. taneously adjusts the volume of all inputs. On-Off switch and Pilot Light. Outputs: Two outputs: one provides high or Iow impedance out- put for connection to the microphone input of a sound system amplifier or tape recorder. Impedance is selected by switch. The other provides a high impedance, high level output designed primarily to feed a power amplifier or tape recorder requiring 0.5 to 2 volts. Battery Operation: All units can be operated from an external battery supply. See accessories on page 23 for battery supply unit. Weight: Model M68P, 23A lbs.; Models M68, M68FC and M68FCE, 4 lbs.; Models M68RM and M68RM-2E, 5V~ lbs. Case Dimensions: 23/4'' high, 113/~'' wide, 5Va" deep. (M68RM 7V,~" deep). UL and CSA listing on models M68, M68FC0 M68P, and M68RM only.