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Schoeps VMS 5 U Stereo Microphone Preamplifier

BH #SCVMS5U • MFR #VMS 5 U
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Schoeps VMS 5 U Stereo Microphone Preamplifier
Key Features
  • Battery or DC Powered
  • Standard XLR Input
  • Input for Colette Modular System
  • Built-In M/S Matrix
The Schoeps VMS 5 U Stereo Microphone Preamplifier is a portable microphone preamp that can be powered by either the 6 included AA batteries or an optional power adapter (sold separately). It has both a standard XLR input as well as a special socket that accepts the Active Y-Cable from the Colette modular system.
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Schoeps VMS 5 U Overview

The Schoeps VMS 5 U Stereo Microphone Preamplifier is a portable microphone preamp that can be powered by either the 6 included AA batteries or an optional power adapter (sold separately). It has both a standard XLR input as well as a special socket that accepts the Active Y-Cable from the Colette modular system.

The VMS 5 U features a built-in M/S matrix for mid-side decoding and has switchable phantom power for use with condenser mics. It features 2 low-cut filters: a permanent 20Hz filter and a selectable 150Hz cut. The preamp can detect if voltage is too low and automatically shuts off. An automatic switchover quickly changes the power source to internal batteries if AC power is lost. A 1/4" headphone jack allows you to monitor directly from the preamp itself.

Switchable phantom powering and M/S matrix
Frequency response: 20 Hz - 80 kHz (-3 dB)
Two low-cut filters: 20 Hz (permanent) and 150 Hz (switchable)
Inputs: XLR-3F (balanced) and special socket for Active Y-Cable of the Colette modular system
Outputs: XLR-3M (balanced); connection to unbalanced inputs without loss of signal level
Headphone monitor output
Gold-plated sockets and switch contacts for long service life
Glitch-free, automatic switchover to internal batteries in the event of AC power loss
Runs on six AA batteries (included) or optional external DC supply (sold separately)
Automatic shut-off if voltage gets too low
Gold-plated sockets and switch contacts
Aluminum Housing

Schoeps VMS 5 U Specs

Frequency Response
20 Hz to 80 kHz (-3 dB)
Input Impedance
20 kΩ
Input
Switchable between two XLR-3F sockets and a special input for the Schoeps KCY active cable
Maximum Input Level
@ 4 dB Gain Setting: 14 dBV (5 Vrms) @ 0.5% THD
@ 20 dB Gain Setting: -2.2 dBV (780 mVrms) @ 0.5% THD
Gain
Preamplifier Gain: Can be set to 4, 10, 20, 30, or 40 dB
Maximum Sound Pressure Level (SPL)
With CMC 6 and MK 4 (cardioid):
@ a gain of 4 dB: 132 dB @ 0.5% THD
@ 10 dB: 132 dB @ 0.5% THD
@ 20 dB: 130 dB @ 0.5% THD
@ 30 dB: 120 dB @ 0.5% THD
@ 40 dB: 109 dB @ 0.5% THD
Equivalent Noise Level
@ 4 dB: 16.5 dB-A
@ 10 dB: 16 dB-A
@ 20 dB: 15.5 dB-A
@ 30 dB: 15.5 dB-A
@ 40 dB: 15.5 dB-A

CCIR:
@ 4 dB: 27.5 dB-CCIR
@ 10 dB: 26.5 dB-CCIR
@ 20 dB: 26 dB-CCIR
@ 30 dB: 26 dB-CCIR
@ 40 dB: 25.5dB-CCIR
Leveling Indicators
20 dB, -3 dB
Output
The outputs are impedance-balanced and transformerless, and are switchable between the amplified microphone signals and the decoded M/S stereo signals
Output Impedance
100 Ω
Maximum Output Level
18 dBV (8 Veff) @ 0.5% THD
Load Impedance
Minimum Recommended Load Impedance: 2 kΩ
Headphone Output
Switchable; either the amplified microphone signals (left/right for A/B recordings, or mid/side for M/S) or the decoded M/S stereo signals can be monitored
Output Impedance
32 to 2,000 Ω
Socket
Output Socket: 1/4" (6.3 mm) stereo phone jack
Filter
Infrasonic filter (20 Hz, 18 dB/oct.): permanently active
Low-cut Filter (150 Hz, 6 dB/oct.): can be switched on
Upper Frequency Limit: 80 kHz
Powering Options
Internal filter / regulator circuit generates and stabilizes the supply voltages permits a wide range of input voltages (5.5 to 15.5 V)
Battery and Power
Operation with internal batteries (including rechargeable):
Number and Type of Cells: 6 x AA (LR6)
Recommended Primary Cell Type: Alkaline
Recommended Rechargeable Cell Type: NiMH

Battery Life with Alkaline Cells: Approximately 8.5 hours
Battery Life with Rechargeable Batteries: Approximately 3 hours (700 mAh NiCd)
Approximately 5 hours (1100 mAh NiMH)
Approximately 5.5 hours (1300 mAh NiMH)
Approximately 7 hours (1600 mAh NiMH)
Approximately 12 hours (3400 mAh gelled lead-acid battery [external])
External Power
AC Power Adapter: Model VMS DC (sold separately)
Dimensions (WxHxD)
Approximately 6.3 x 2.3 x 6.7" (162 x 60 x 171 mm)
Weight
Approximately 2.4 lb (1.1 kg) with batteries

Schoeps VMS 5 U Reviews

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