Radio Design Lab

The ST-SX4 accepts up to four unbalanced audio sources. Any of these sources may be selected to feed the output, or all sources may be switched off. The output from the ST-SX4 is unbalanced. Control...

The ST-SSR1 may be controlled using the RDL D-RC2ST or the D-RT2 remote controls.

The exceptional low noise (better than 100 dB below operating level), low distortion, audio clarity and excellent crosstalk performance makes this module ideally suited to a wide variety of demanding...

The ST-RX2 may be controlled using the RDL D-RC2ST or the D-RT2 remote controls.

The ST-RRB1 mounting kit contains a bracket to attach a STICK-ON module to a rear rack rail or to any flat surface. The module slides into the holder and snaps into position. The module may easily be...

VCAs may be controlled from several locations with the optional D SERIES-RLC2 Remote Level Control. LED level indicator driver circuitry is included in the ST-RG1 for visual indication of relative...

Although phono inputs are provided on some equipment, optimum system performance is obtained when phonographs are preamplified as close to the turntable as possible, and then the line-level signals...

Wherever power distribution from a switching power supply is needed, the ST-PD5U is the ideal choice. Use the ST-PD5U combined with other RDL RACK-UP®,, STICK-ON®,, Flat-Pak™, or...

The ST-PBR4 is a mounting frame with slots for four STICK-ON modules. The ST-PBR4 mounts on an FP-PSB1A power supply bracket or to any flat surface. The ST-PBR4 design allows the installer to secure...

The ST-PA6 features two balanced audio inputs, a gain control, equalization control and an 8 Ω, output. The output is designed to deliver a clean 6 watts RMS into an 8 Ω, speaker. Each input...

The ST-PA2 features a single, unbalanced audio input, a gain control, and two outputs. The first output is designed to deliver a clean 2 watts RMS into an 8 Ω, speaker. The second output is...

The ST-PA18 features a balanced line level input that may be connected unbalanced. The gain control range will accommodate standard unbalanced levels as well as professional balanced levels. The...