AKG

B23 L

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Battery-operated phantom power supply & mini recording mixer

$99.0099.0 each
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(Details)

The B23 L is a compact power supply unit that provides 9V phantom power to the AKG MicroMic series. Two mini-XLR-F inputs (L and R) ensure optimum use for up to two microphones. Both inputs of the B23 L can be switched either to mono or stereo mode. The output is a standard 3.5mm stereo jack. Two AA batteries guarantee an average use of 30 hours. Another great feature of the B23 L is that it can be used as a small and portable mixer. Two separate volume controls allow the user to set the level of each microphone independently. Customers who want to compensate level differences between two audio sources (e.g. voice and instrument) will greatly benefit from this feature. On the rear panel of the B23 L there is the battery compartment and a metal clip for fixing the B23 L to a belt, guitar strap or the like. The B23 L is an attractive solution for customers who are looking for a small and portable power supply capable of mixing up to two audio signals in one device.

Item# B23_L

General Specifications

Frequency Response 20 - 20000 Hz
Input Channels Two mini XLR inputs
Output Channels 3.5 mm stereo output jack (max. 55 VDC)
Max Input Level 0 dBV
Max Output Level Stereo Line 0 dBV +/- 1 dB @ 1 kHz < 0.1 %
Max Output Level Stereo Mic 0 dBV +/- 1 dB @ 1 kHz < 1 %
Input Impedance 5 kohms
Output Impedance 200 ohms unbalanced
Max Input Attenuation Line 50 dB +/- 1 dB (Volume control position 0)
Min Input Attenuation Line 0 dB +/- 1 dB (Volume control position 10)
Max Input Attenuation Mic 37 dB +/- 2 dB (Volume control position 0)
Max Mic Amplification 30 dB +/- 2 dB (Volume control position 10)
Noise Line (Mono & Stereo) < 5 uV (A)
Noise MIC (Mono & Stereo) < 22 uV (A)
Power Supply Two AA alkaline or rechargeable batteries
Phantom Voltage 9 V (open loop), 4 V (at 4,2 kOhm)
Power Consumption 40 mA @ 3 VDC (line mode)
Lifespan of the Batteries 30 - 50 h, depends on the battery capacity
Temperature Range -10 °C – 60 °C (14 °F - 140 °F)

Dimensions

Length 89 mm
Width 70 mm
Height 26 mm
Weight 115 g (including batteries)
  • 1 x B23 L
  • 1 x Belt Clip
  • 1 x Connection cable (3.5 mm stereo mini jack to mini XLR)

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