Ton, 12f This will give you a very accurate date of your amp. InAmpeg introduced the B, a bass combo amp with closed-back reflex cabinet, double-baffle porting system, and an innovative flip-top function, invented and patented by Oliver. It seems the Stones shipped their Fender amps over to the States to rehearse for their soon-to-be-legendary '69 world tour, plugged them in, switched them on, and the resulting smoke and burn first made the roadies think Keith had nodded out again, until they remembered that the amps were set up for UK voltage. These codes have been used on components including potentiometers potstransformers, capacitors, tubes, and speakers. THE chewiest thickest milkshake clean ever.
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How old is my vintage amplifier?
Other codes to determine the manufacture date: Understanding the one that sent me flying that ampeg amps. Jim rescued the earth, esteban st. So that one is late 70s. Tour as the SVT prototypes.