Designed in May 1966 as the replacement for the Vox AC-4, the Vox UL705 was a single channel, five-watt combo amp with a 10" CT7721 10" Celestion speaker, treble/bass controls and foot switchable tremolo. The four tube UL705 circuit design was similar to the V-2 Vox Pacemaker amp produced by Thomas Organ in America. The following chart lists the UL705 tube functions.
V1
ECC83 (12AX7)
V1a - first preamp stage
V1b - gain recovery after tone stack
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