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1A7: Difference between revisions
shortest product life
Vintage dave (talk | contribs) (8393 not 7586) |
Vintage dave (talk | contribs) (shortest product life) |
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heater voltages on the 8393's. | heater voltages on the 8393's. | ||
Type 1A7 (initially named [[F|Type F]]) was designed by [[John Addis]] and [[introduced in 1966]]. | Type 1A7 (initially named [[F|Type F]]) was designed by [[John Addis]] and [[introduced in 1966]]. Lasting only two years, Type [[1A7]] is the shortest-lived 500-series plugin. | ||
====Type 1A7A==== | ====Type 1A7A==== | ||