Marantz model 2226b Stereo receiver Meters show signal strength and the centre tuning point, the latter on FM only. The split controls for bass, mid and treble allowed each channel to be adjusted individually
Impressive as this specification was, Marantz's flagship 2600 receiver doubled that figure. This model claimed a full 420W (at 1kHz into 4ohm) making one of the most powerful receivers available at the time. Furthermore, it backed up this epic amplifier performance with an advanced tuner section that included an oscilloscope display to facilitate the most accurate tuning