Classis BM 53 USB

beyerdynamic Article no: 729469

Price:
$644

Description

The BM 53 USB microphone has been developed for connection to computers with USB port. Therefore it can be used for digital audio recordings on personal computers. Due to its unobtrusive design, the BM 53 USB microphone is ideal for audio recordings of conferences, meetings or round table discussions with a maximum of 10 participants.

Depending on the application, you can choose between three operating modes: On/Off, Push To Talk and Push To Mute. Furthermore, the frequency response can be tailored for use in two modes: linear or 150 Hz bass roll off to reduce low-frequency noise. The switchable gain of -10 dB, 0 dB and +10 dB is to compensate loud or quiet speakers and small or large distances between microphone and speaker.

The BM 53 USB microphone is switched on and off with a silent film button. An LED indicator shows the ready-to-talk status. The different functions are controlled and monitored by an 8 bit micro- controller.

Features:

  • “Intelligent” acoustical boundary microphone, microprocessor controlled
  • For the connection to computers with a USB port
  • ON/OFF, PTT and PTM function
  • LED-indicator
  • Silent film button
  • Semi-spherical polar pattern
  • Flat, wide frequency response
  • Switchable bass roll off (150 Hz)
  • Switchable gain (-10 dB, 0 dB, +10 dB)

Specifications:

Transducer type:  . . . . . . . . . .Condenser (back electret)
Frequency response (linear): . . . . . . . . . . 40 - 20,000 Hz
Polar pattern:  . . . . . . . . . . Semi-spherical
Level compensation, switchable:. . . . . . . . . . -10 dB, 0 dB, +10 dB
Bass roll off, switchable: . . . . . . . . . . 150 Hz (6 dB/octave)
Operating modes: . . . . . . . . . . PTT, PTM, On/Off
Open circuit voltage: . . . . . . . . . . .-18 dBFS at 1 Pa/1 kHz
Dynamic: . . . . . . . . . . .73 dB(A)
Max. SPL: . . . . . . . . . . 112 dB
Supply voltage: . . . . . . . . . .  5 V via USB connection
Power consumption: . . . . . . . . . . 27 mA when in use, 12.5 mA in sleep mode
Connection: . . . . . . . . . . .USB socket, type B
Dimensions (L x W x H): . . . . . . . . . . 105 x 76 x 25 mm [4.13" x 2.99" x 0.98"]
Weight without cable: . . . . . . . . . . 155 g [5.46 oz]

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