THE TUNG-SOL 17BF11 IS A 12-PIN T-9 COMPACTRON CONTAINING TWO DISSIMILAR PENTODES. SECTION 1 IS A POWER PENTODE FOR AUDIO APPLICATION.
The 17BF11 is a compactron containing a sharp-cutoff dual-control pentode and a power pentode. The dual-control pentode is intended for use as an FM detector ...