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1A1: Difference between revisions
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There were three distinct versions of 1A1. | There were three distinct versions of 1A1. | ||
* The first version, from 1964 to 1966, has a [[Nuvistor]] front-end, and [[rotary_input_switch|rotary input switches]] that were concentric with the [[BNC]] jacks. The knobs to invert the input channels are concentric with | * The first version, from 1964 to 1966, has a [[Nuvistor]] front-end, and [[rotary_input_switch|rotary input switches]] that were concentric with the [[BNC]] jacks. The knobs to invert the input channels are concentric with the vertical position knobs. | ||
* The second version, from 1966 to ??? has fluted round V/cm knobs, and lever switches. The channel inversion control is an organ-style pull-push knob. | * The second version, from 1966 to ??? has fluted round V/cm knobs, and lever switches. The channel inversion control is an organ-style pull-push knob. | ||
* The third model, from ??? until the end has four-sided V/cm knobs and a FET front-end. | * The third model, from ??? until the end has four-sided V/cm knobs and a FET front-end. | ||