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Summary of Contents for Schoeps VMS 5 U
- Page 1 VMS 5 U User’s Manual Microphone preamplifier with phantom powering, M/S matrix and headphone output, with special input for Schoeps active Y-cable...
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Page 2: Table Of Contents
<18> Input for external power supply <19> Input selector switch * The connectors and labels on the rear of the VMS 5 U are “upside-down” with respect to the front of the unit. This simplifies its use, since the unit does not need to be turned around sideways to read the labels. - Page 3 <1> <2> <3> <4> <5> <6> <7> <8> <9> <10> <11> <12> <13> <14> <15> <16> <17> <18> <19>...
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Page 4: Inserting Batteries
The VMS 5 U is designed for indoor Please note: and outdoor professional recording The orientation of the batteries is applications. Its features include: shown on the battery holders: – 48 Volt phantom powering – Special input for SCHOEPS active Y-cable –... -
Page 5: Battery Level Meter
… a battery is inserted the wrong aged batteries, to avoid harming the way? The resulting voltage will be too circuitry of the VMS 5 U. low to operate the unit. If several bat- What should be done if the unit... -
Page 6: Automatic Shutoff
(and only then!) it is acceptable if the battery indicator <12> is in the red zone. It is calibrated for internal battery The VMS 5 U can be powered by powering, and its reading will be offset external batteries or AC power adap -... - Page 7 "EXT" LED (<13> supply regulation circuitry of the on page 3) will light, even if the unit is VMS 5 U permits the sharing of a com- turned off; it is strictly an indication of mon power source with other equip- available powering, not of the unit’s...
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Page 8: Connecting Microphones
II. 5. Connecting microphones Connecting SCHOEPS micro- The VMS 5 U can be used with 48 phones with an active Y cable Volt phantom powered microphones If the recording environment is rela- or with microphone capsules and the... -
Page 9: Setting The Preamp Gain
9. Low-cut filter When using the VMS 5 U for dema- trixing after recording, the GAIN control should be set to 4 or 10 dB again by A 20 Hz high-pass filter with a slope observing the yellow and red LEDs. -
Page 10: Connecting The Outputs
10. Connecting the outputs VMS 5 U For A/B, X/Y or ORTF recordings the task of the VMS 5 U is to amplify and filter the signals presented to its inputs, and to deliver the result to the outputs <17>. For this purpose the "Output"... -
Page 11: Connecting Headphones
"side" or "S" channel) must have a be connected to the headphone out- figure-8 directional pattern; the other put of the VMS 5 U. Headphones with microphone (the "mid" or "M" chan- a miniature plug can be used with a nel) may have any desired pattern. - Page 12 red dot S→channel II The MK 8 as viewed from the front, when the micro- phone is used horizontally as shown. M→channel I One possible way to set up an M/S microphone arrangement: top: cardioid as M microphone bottom: S microphone (figure-8) range of settings will depend on the will become narrower.
- Page 13 main stereo axis Increasing ratio of S signal to M signal mono “Virtual microphones” in an M/S recording, showing the left channel (unusable) result (M+S) when a cardioid is used for the M-channel microphone ϕ = one-half the recording angle, α...
- Page 14 The BALANCE control is calibrated to BALANCE knob should normally be at the sensitivity of Schoeps microphones, or near its center setting. If micro phones with a cardioid as the “M” channel of unequal sensitivity are used, the microphone of reference.
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Page 15: M/S Dematrixing
Whenever a pair of microphones is can be dematrixed afterward by the suspended overhead, the sense of left VMS 5 U to produce left- and right- and right can become reversed. In M/S channel signals. The recorded signals recording with the “M/S side inversion can simply be fed into the inputs (with switch”... -
Page 16: Technical Specifications
Filters Preamplifier gain settings: 4, 10, 20, 30 or 40 dB An infrasonic filter (20 Hz, 18 dB/oct.) is perma- Overall performance specifications of VMS 5 U nently active. In addition, a low-cut filter with SCHOEPS CMC 64 (cardioid): (150 Hz, 6 dB/oct.) can be switched on. - Page 17 7 hours (1600 mAh NiMH) Parallel operation of a VMS 5 U along with one ca. 12 hours (3400 mAh gelled lead acid bat- or more other pieces of equipment from a tery (external)) single power supply is generally possible, A voltage indicator displays the battery voltage because of the internal voltage regulation.
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Page 18: Block Diagram
16. Block diagram... - Page 19 Frequency response curves: above: without low-cut filter; below: with low-cut filter...
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Page 20: Important Information
17. Important information For the judgement of this product in respect of EMC the following stan- The VMS 5 U was designed for profes- dards are applicable: sional applications in indoor and out- EN 55103–1, EN 55103–2 door recording, but should be used only in a dry place (e.g. -
Page 21: Warranty
SCHOEPS is only under guarantee are not met; all pay- the reseller; for these products the ment must then be carried out before period of guarantee is six months. - Page 24 Subject to change without notice 010102...
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