Radio Design Labs
Muting Monitor Amplifier-2 Watt
High Gain Mic Preamp-35 to 75 dB Gain
Switched Mic Preamp-35 to 65 dB Gain
Adjustable Gain Mic Preamp-35 to 65 dB Gain
Microphone Preamplifier-50 dB Gain
Loudness Equalizer-Use with VCA
Logic Controlled Relay-Dual Alternate Pulse
Logic Controlled Relay-Latching
High Power Logic Controlled Relay-8 A
Logic Controlled Relay-Momentary
Intercom Amplifier
300 Hz and 500 Hz High Pass Filter