Danelectro Spring King Junior™ Reverb. Twenty five years ago, Danelectro launched the Spring King™; a reverb pedal with a real spring tank! But there was a problem! Not only were the sales huge, the pedal itself was huge! Introducing the Spring King Junior™, the best reverb tones ever, with a real spring tank and in a small size that fits on your pedal board! Rugged, diecast housing featuring an AccuBell Sound (Accutronics™ & Belton) 3 spring reverb tank, simple user interface: reverb and tone controls, soft switch. Includes the legendary “Kick Pad” for thunderous 'verb sounds. True hardwire bypass. Cannot be powered by a battery. Powered by 9 volt, 2.1mm centre negative AC adaptor RPC90 (not supplied).