Schoeps VMS 5 U Instrukcja Użytkownika

VMS 5 UUser’s ManualMicrophone preamplifier with phantom powering,M/S matrix and headphone output,with special input for Schoeps active Y-cable

10. Connecting the outputsFor A/B, X/Y or ORTF recordings thetask of the VMS 5 U is to amplify andfilter the signals presented to its inputs,and to de

1111. Connecting headphonesAny stereo headphones with animpedance of 32 to 2,000 Ohms canbe connected to the headphone out-put of the VMS 5 U. Headpho

12range of settings will depend on thetype of microphone used for the Mchannel; the broader its directionalpattern, the farther the "WIDTH"

13ϕ = one-half the recording angle,α= one-half the angle between the two “virtual microphones”“Virtual microphones” in an M/S recording, showing the l

14microphones of equal sensitivity, theBALANCE knob should normally be ator near its center setting. If micro phonesof unequal sensitivity are used, t

1513. M/S dematrixing in post-productionIf the M and S channels of an M/Srecording are recorded directly, theycan be dematrixed afterward by theVMS 5

1615. Technical SpecificationsInputsSwitchable between two XLR-3 sockets and aspecial input for the SCHOEPS KCY “activecable.”XLR inputs are balanced

ca. 7 hours (1600 mAh NiMH)ca. 12 hours (3400 mAh gelled lead acid bat-tery (external))A voltage indicator displays the battery voltagewithin the unit

1816. Block diagram

19Frequency response curves: above: without low-cut filter; below: with low-cut filter

2Control layouts:Front:<1> Signal level indicators<2> Preamp gain control<3> Left/Right balance control<4> Switch for low-cut

2017. Important informationThe VMS 5 U was designed for profes-sional applications in indoor and out-door recording, but should be usedonly in a dry p

2118. WarrantyWe guarantee our products for aperiod of twenty-four months, exceptfor cables, batteries and cells (includ-ing rechargeable batteries an

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24Subject to change without notice010102

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4The VMS 5 U is designed for indoorand outdoor professional recordingapplications. Its features include:– 48 Volt phantom powering– Special input for

5When the unit is first turned on, therewill be a four- to five-second delaybefore it is ready for use. This is neces-sary so that the unit can functi

6not, the batteries need to be changed,or recharged if they are NiCd/NiMHtypes. When running on internal bat-teries, the borderline between the redand

70.5 A fast-blow fuse will burn out. It isaccessible through the battery com-partment; a spare fuse is providedwithin the unit. The locations of botht

with a capacity of 3.5 Ah can powerthe VMS 5 U for about 12 hours.9-Volt transistor radio-type batterieshave excessive internal resistance andinsuffic

9control should normally remain at itscenter detent setting.In M/S recording, the Balance settingcontrols the ratio of mid to side signaland thus will