Radial Engineering
Twin-City
Switcher
Utility
Active ABY amp switcher with transformer isolation. Drive two amps from one guitar without ground loops.
Radial Engineering designed the Twin-City as an active ABY switcher for dual-amp setups.
Transformer isolation eliminates ground loops and hum when running two amps. Active buffer maintains signal integrity. 180-degree polarity reverse ensures amps play in phase.
A/B switching or combine both outputs. Ground lift on each output. Class-A buffered output drives long cables without tone loss.
9V battery or optional power supply. Industry standard for professional dual-amp rigs.
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