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||The Vox AC10C1 returned to the Vox line in May 2015, fifty
years after the original JMI AC-10 made its final appearance in the May 1966 Vox price list. Let's compare the original AC-10 circuit, designed in 1960, to the 2015 model.
The Original JMI AC-10
The JMI Vox AC-10
was an open backed, hand wired amp that featured six tubes: an EF86, ECF82, ECC83 (12AX7), two EL84 output tubes and an EZ81 rectifier tube. The amp featured two inputs, two channels, tremolo and a tone control. The first channel was powered by the EF86 tube, the second channel and the tremolo circuit was powered by the ECF86. The ECC83 served as the phase inverter.
The 1960 design for the JMI AC-10 did not include separate treble and bass controls, sometimes called "Top Boost" in Vox parlance. The AC-10 only had a simple passive "Tone" control to attenuate the treble response.