Two sampling frequencies-44.1 kHz and 48 kHz-are supported, and digital I/O ports are provided in addition to analog I/O terminals. The 480L has enjoyed immense popularity around the world since its release, becoming a permanent fixture at many studios. Sold by: EMT (Germany) Year released: 1957 Today, there are still many engineers who use this model as a main reverb unit. Released by Germany's EMT in 1957, the 140 is a plate reverb that produces reverberation by causing a giant iron plate to vibrate.
It's also called the "iron plate reverb." An iron plate of 1 m in height, 2 m in width and 0.5 mm in thickness is suspended by springs from a metal frame, and the outer side is cased in a wooden enclosure. The structure is such that the iron plate vibrates according to the signal input to the speaker-shaped transducer at the center of the iron plate, and the pickup at the end of the iron plate catches this vibration. The reverb time is adjusted by the dumping pad contacting the iron plate. At Sony Music Studios Tokyo, there is an eco-friendly machine room completely shielded for this giant effects processor, and the six 140 units installed in that room are accessible from all studios. Each unit has different characteristics due to the differences of the iron plates and the different amplifiers used, thereby accommodating a variety of applications. The 2254 is a monaural compressor/limiter that uses a discrete circuit design without a vacuum tube, and was primarily installed in the 2044 console, etc. The class-A amplifier circuit, together with its successor model 33609, achieved a major milestone for dynamic equipment and is still used today, more than 40 years after its release.
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