RDL ST-OSC2A Audio Oscillator - 1kHz and 10 kHz
RDL ST-OSC2B Audio Oscillator - 100 Hz and 400 Hz
RDL ST-PA18 18 W Mono Audio Amplifier - 8 Ohm
RDL ST-PA2 2 W Mono Audio Amplifier - 8 Ohm
RDL ST-PA6 6 W Mono Audio Amplifier - 8 Ohm
RDL ST-PD5 Power Distributor - Linear - (PS-24A/B/E/K)
RDL ST-PD5U Power Distributor - Switching - (PS-24V2/A)
RDL ST-PH1 Stereo Phono Preamplifier
RDL ST-RG1 Ramp Generator - 0 to 10 Vdc Output
RDL ST-RX2 1x2 Audio Routing Switcher
RDL ST-SSR1 2x1 Line-Level Audio Switch
RDL ST-SX4 4x1 Unbalanced Audio Switcher
RDL ST-TC1 Telephone System Coupler - CO Line Simulator
RDL ST-UBA2 Unbalanced to Balanced Amplifier - 2 Channel
RDL ST-UMX3 3x1 Universal Audio Mixer - 3 Mic or Line Inputs x 1 Mic or Line Out
RDL ST-VCA3 Voltage Controlled Amplifier
RDL ST-VOX1 Voice Operated Relay
RDL ST-VP1 Voice-Over / Paging Module - Manual
RDL ST-VP2 Automatic Ducking Module
RDL STA-1 Dual Balanced/Unbalanced Line Amplifier -12 to 20 dB Gain
RDL STA-1M Audio Line Amplifier - Mono: -14 to 14 dB Gain
RDL STA-2A Dual High Gain Line Amplifiers
RDL STD-10K Passive Audio Divider/Combiner - 10 k Ohm
RDL STD-150 Passive Audio Divider/Combiner - 150 Ohm
