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Optogate PB-05


The PB-05 is an automatic microphone gate unit which is based on the latest optical technology. The PB-05 is plugged between microphone and cable. It's equipped with an infrared sensor. The PB-05 senses if someone is in front of the microphone and will switch on the microphone. The distance can be adjusted between 15cm and 120cm with the help of a Trim Pot. The microphone will be switched off automatically if nobody is in front of it. A red status LED indicates if the microphone is switched on. The PB-05 works with 48 Volt phantom power. Condensor microphones can be used in connection with the PB-05. The phantom power passes the microphone. A small push button on the top allows the user to toggle between "Mic On" and "Optogate Enable". The PB-05 is ideal for lead and backing voval mics, acoustical instruments and talk back mics. The PB-05 ist the best and easiest solution for the most common problems in live applications. It eleminates unwanted backgound noise of other instruments into unused microphones on stage. So, the clarity of the mix and the dynamics will be increased due to less phase cancellation and backgound noise. It reduces the possibility of feedback from unused mics.

The PB-05 is availabe in 3 versions. The PB-05 M have an attenuation of -42 dB in the "Mic Off" position. The PB-05 D reduces the signat at -16 dB, what is sometimes more audible for in ear applications. The PB-05 E is a cheaper version with the same performance of the "pro" models. It works only with dynamic mics.

- Turns off your mic automatically via infrared when you are not using it!
- No false audio triggers!
- Set the distance and go!
- Eliminate unwanted sound from going to your mix, monitors, and mains!
- Excellent for in-ear monitors and very loud stage environments!
- Your sound will be better than EVER before!
- Your amps will sound better!
- Your ears and your Audiences will thank you! You will not be able to live without it anymore...

RSP 153,- Euro

Size PB-05: 69mm Länge x 35mm Höhe x 21mm Breite
Connectors:s XLR 3-pin (1 = gnd, 2 = plus, 3 = minus)
Case construction: Aircraft-aluminium, black galvanizedl
Distance Adjustable between 15 - 120 cm (depending of the type of reflection surface)
Angle + / - 10 degrees
Switching noise: Immeasurable
Frequency responses 0 Hz - 30kHz, - 3 dB at 150 Ohm Microfonimpedanz
Signal noise ratio: -114 dB / -122 dB, Mic on / off, 150 Ohm Mic.
Distortion < 0,05 % with 100mV signal
Delaytime mic on: < 0,2 Sec
Delaytime mic off: ca. 1 Sec
Attenuation "mic on": 0 dB
Attenuation "mic off": 16 dB or 42 dB in connection with 150 Ohm mics, depending of the model
Nutzbare Mikrofontypen: All type of dynamic - and phantom powered mics up to 10 mA current consumption
Maximum input level: 3 dB (1,1V)
Operating temperature: 0 - 55 degrees Celsius
Background light range: 0 - 20000 Lux daylight and 0 - 12000 Lux electric bulblight
Distance measurement: Active infrared reflection principle with 3 bit code
Power: 24-48 V Phantompower (passes phantompower to the microphone)
Current consumption: ca. 3.7 mA