A total of four new Delta series models were unveiled. Two monaural models, the CA-M300 and CA-M600 are rated for 300 and 600 watts respectively, while the stereo CA-2300 and multichannel CA-5300 promise 2x300 and 5x300 watts respectively. The new Delta series models build upon three key refinements. First, a new miniaturized driver-stage circuit, which is almost perfectly free of noise and distortion, delivers the most precise signal control yet devised. Additionally, the entire amplification process occurs on a single new six-layer circuit board, significantly shortening the signal path for superior time-domain performance and even greater transparency. But the most obvious and arguably one of the most important new Delta series innovations is Classé’s ICTunnel ("icy tunnel"), an active cooling system inspired by million-dollar medical and laser imaging equipment designs.
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