Further analyis of the circuit in relation to the "Preliminary Schematic" of April 1967 published by Thomas Organ in the Accessories Service Manual will be given in due course.Vox guitar dating. Note the original intention to provide a battery switch. As Vox grew, Jennings continued to experiment with new guitar models.OS/158 - the JMI circuit diagram for the electronics. British-made Vox guitars have sequential serial numbers stamped on the back of the headstock (and later on the neck plates), while the Italian-made guitars have a different set of serial numbers that is always stamped onto the neck plates.
![]() ![]() ![]() Vox S Manual Will BeWeeks or months could elapse between the manufacture of the component and its being picked off the stockroom shelf at the Vox Works in Erith for incorporation in a unit.Serial numbers are at first hand-stamped on the white traffolyte label on the underside of the pedal. Assembly of pedals with late '67 component codes is likely to have taken place early in 1968.Component date codes are necessarily simply termini post quem - "dates after which". We also have "743" = the 43rd week of the year = October 1967. The date code on the majority of the 2N3707s is "716" which indicates the 16th week of 1967 = April 1967. White traffolyte plaques with stamped serial numbers on the underside.The grey earth wiring on the pot and jacks, and the brown earth wires from the board are separated. Below, a growing register of pedals:Yellow Lemco capacitors, BC150 transistors (as indicated in circuit diagram OS/158, above), glooped boards to prevent discovery of the circuit. 6012 below.It may be that there were two sets of benchs in the workroom or workrooms - one that stopped putting on traffolyte plaques at around serial number 6000, another that continued to around number 6300 (highest so far 6273).Number 6251 survives with its original box - entry here - a wonderful thing. Pokemon mini emulator macThe wire going to the pot wiper is green.
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