Mai jos este o descriere de pe "The Valve Museum".
The EF83 is a variable-mu AF voltage amplifying pentode.
The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 48 mm tall.
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Mai jos este o descriere de pe "The Valve Museum".
The EF83 is a variable-mu AF voltage amplifying pentode.
The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 48 mm tall.