Sometimes you need to connect a low-impedance or condenser microphone to something which does not support it. This could include a high-impedance mixer input, a PC sound card, a powered speaker or possibly an instrument amp (good quality keyboard or acoustic guitar amps can function as a small PA in moderate-volume environments). Situations like this call for a mic preamp to act as an interface and, as a rule, simplicity and economy are important factors. A level control and a simple overload indicator such as a Clip LED will also help you to keep the signal clean.
The APA1 provides full facilities for connecting a low-impedance or condenser microphone to any preamp-level device.
Balanced/low-impedance XLR Input
Unbalanced ¼" Line Input
Balanced XLR Line Output
Unbalanced ¼" Line/Headphone Output
+36 volt, Phantom Power for the XLR input
Phantom Power On/Off button
12VDC power adapter included
Input Impedance = 10K Ohms balanced & unbalanced
Max. Input Level = +4dBV XLR, +10dBV unbalanced
Max. Gain = 50dB XLR, 44 dB ¼"
Phase Shift = less than 10 degrees 20Hz - 20kHz
EIN = less than .01%
IMD (SMPTE) = less than .01%
Power Adaptor = 12VDC
Dimensions = 4.5" x 2.875" x 1.5" (150mm x 75mm x 38mm)
Weight = 1lb (454g)
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