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19 Februar 2025
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SONIFEX RB-MTV1 VOICEOVER CONTRIBUTION UNIT Microphone, headphone amplifier, monitor mixer

Artikelnummer
95-685
Hersteller
Sonifex
Typennummer
  • RB-MTV1
SONIFEX RB-MTV1 VOICEOVER CONTRIBUTION UNIT Microphone, headphone amplifier, monitor mixer
SONIFEX RB-MTV1 VOICEOVER CONTRIBUTION UNIT Microphone, headphone amplifier, monitor mixerSONIFEX RB-MTV1 VOICEOVER CONTRIBUTION UNIT Microphone, headphone amplifier, monitor mixerSONIFEX RB-MTV1 VOICEOVER CONTRIBUTION UNIT Microphone, headphone amplifier, monitor mixer

Bestellangaben

MwSt. / Versand
944,86 
pro Stück (zzgl. MwSt.)
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SONIFEX REDBOX AUDIO/VIDEO PROCESSORS

Sonifex Redboxes were introduced in 1999 and were designed for systems integrators. They are very well received in both Broadcast and studio industries. The series of signal processors that include headphone amplifiers, mix-minus generators, silence detectors, tone generators, distribution amplifiers, audio converters and more, are built in two different extrusions, with front and rear panels screwed to the extrusion.

ACOUSTIC ECHO CANCELLERS

AUDIO CONVERTERS - A/D & D/A

AUDIO CONVERTERS - UNBALANCED TO BALANCED/BALANCED TO UNBALANCED

AUDIO CONVERTERS - STEREO TO MONO

AUDIO EMBEDDERS AND DE-EMBEDDERS

CONTRIBUTION UNITS

Intended for use in voice-over booths, news and commentary booths, these contribution units offer a microphone input, as well as a headphone amplifier for cue and programme signals.


RB-MTV1 – Contribution and voiceover unit with talkback

Built in a 1U high, rack-mounting case, the device offers a single microphone channel, routing to a talkback output, two main outputs, for studio and local recorder, say, and the monitor system. The incoming cue and programme inputs are stereo. They could be used, for example, for an off-air feed and remote studio output. The talkback input is mono, and might come from a remote studio talkback system.

The front panel has two large illuminated switches, 'talk' and 'mic', for routing the signal to the 'talk' ('lazy') output, for use as a return talkback feed to another studio, and the main outputs respectively. When the 'talk' function is active, the microphone signal on the main outputs is muted. The 'talk' function is available even if the 'mic' function is inactive. Between the two switches is an LED to show when the microphone limiter is in action, and a five stage LED bar-graph. This may be configured to show the level of the microphone signal prior to the switching or only when the signal is connected to the main outputs. Four rotary controls adjust the mix of the microphone, talkback, cue and programme signals to the headphone amplifiers, routed as determined by a matrix controlled by two banks of DIP switches on the underside of the unit. It is possible to route the microphone, talkback, cue left and right, programme left and right signals into neither, either or both earpieces of the headphones. A 6.35 mm jack socket provides the headphone connection, wired in parallel with a similar connector on the rear.

The rear panel has a headphone socket, two male XLR connectors providing the main outputs, each with an adjacent switch to choose either microphone or line level, a male XLR for the 'lazy' output, and five female XLR connectors for the mono talkback and stereo cue and programme inputs. The pairs of cue and programme connectors each have a single switch to increase the gain of the signals by 10dB, so that unbalanced sources may be used. The remaining XLR provides the microphone input, and has an associated switch to activate the limiter, while two multi-turn screwdriver operated controls adjust gain and limiter threshold. All XLR connections are balanced. A 9-pin female D-sub connector offers access to the remote control of the 'mic' and 'talk' functions, and opto-isolated indicator outputs for each. A bank of DIP switches enable the phantom powering, low-cut filter, and extra 20dB microphone gain, as well as the option to mute the microphone signal to the headphones when the 'talk' function is activated. A filtered IEC inlet, with adjacent fuse, provides the power connection.

Microphone input: -10dBu maximum, 2kohms. Phantom power: 48V Common mode rejection: Better than 60dB, typically. Microphone gain: +20dB to +80dB, adjustable. Noise: -130dB E.I.N. Distortion: 0.01% THD, 1kHz, +8dBu output. Low frequency filter: 125Hz, 6dB/octave. Other inputs: +26dBu maximum, 20kohms. Limiter threshold: +8dBu to +26dBu, adjustable. Maximum output: +26dBu, less than 50 ohms, for balanced outputs. Headphone output: 150mW into 32-600 ohms. Response: 20Hz-20KHz +/- 0.1dB, 1kHz. Power source: 110V-120V or 220-240V AC, switchable, 9W maximum. Dimensions (WxDxH): 480 x 108 x 43mm. Weight: 1.3kg.

Included accessories: Handbook, AC power cordset with plug.
Optional accessories: RB-RK3 rear panel rack kit.

DELAY SYNCHRONISERS

DIGITAL AUDIO DELAYS

DIGITAL VIDEO DISTRIBUTION AMPLIFIERS

DISTRIBUTION AMPLIFIERS

HEADPHONE AMPLIFIERS

ISOLATION UNITS

LIGHT SWITCHING UNITS

LIMITERS

MIX-MINUS GENERATORS

PREAMPLIFIERS

PROFANITY DELAYS

SAMPLE RATE CONVERTERS

SILENCE DETECTORS

SOURCE SELECTORS

TRANSMISSION SWITCHERS

TONE GENERATORS

ACCESSORIES