4/24/2021 0 Comments Vox Guitar Serial Nubers
As far as the AC50 is concerned, Dick Denney probably came up with the preamp (based largely on the add-on AC30 Top Boost circuit).Below, Russ Sainty and Rhet Stoller (with guitar) at the California Ballroom, Dunstable, at some point in 1960.
The California opened in March of that year and Sainty and Stollers band the Nu Notes featured regularly. The amp looks very much like an Extended Frequency AC30, just released at that point. Note that an Extended Frequency AC30 was illustrated in the Rhet Stoller competition of much the same date. The AC10 Super Reverb Twin was new in February 63 - see this page. The prices correspond with those given in Melody Maker magazine in early February too. To judge by the description, a preamp (with octal socket input and output) designed to be plugged into the power section of an electronic keyboard - ie. The keyboard could be plugged back in via the octal socket on the fascia. The ad has been said to contain the earliest mention of a VOX amplifier. This was certainly not Derek Underdowns G110 - possibly a version of his 30 Watt Amplifier. Rotary foot pedals were further developed by Tom Jenningss post-JMI company - Jennings Electronic Industries (late 1968 to 1975). But in the 1950s Jennings as ever, was not without competition - Selmer had its own rotary foot pedal. Vox Guitar Serial Nubers Portable Organ OnNote lower left, the portable organ on chrome legs, a valve precursor - presumably valves - of the Continental of 1962, and the amplifier, doubtless a species of Derek Underdowns G110. Vox Guitar Serial Nubers Serial Numbers InThe page on amps with serial numbers in the 16000s will be coming shortly too. The serial number plate unfortunately has parted ways with the amp. On later chassis, one finds AC306, the earliest known instance currently being chassis 01689 (AC30 serial number 7061). Just to re-iterate, this does not mean that it was the 29th chassis populated with components, nor that JMI put chassis into wooden cabinets (when the time came to make up an AC30 sale) in any particular order. The change probably took place at chassis no. These are the organs for which Derek Underdown first designed amplifiers. It may be that the J50C had his 30 Watt Amplifier, the precursor of the AC230. Derek did far more designing and implementing than he is normally given credit for.
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