High-bandwidth, 500-series microphone preamp with 64 dB of gain and a 10 Hz to 50 kHz frequency response The Spectra 1964 STX100 Mk2 500 Series Preamp is a compact, affordable 500 series version of... View more

The STX 100 is a 500 Series version of the classic Spectra Sonics 101 amplifier circuit with a high-bandwidth mic preamp with 64dB of gain and a 10Hz to 50KHz frequency response A 10dB input pad and... View more