H.H. Scott applications that use the EL84-family power beam pentode:

!WARN!NG: These tube variations, while similar, are not necessarily interchangeable across Scott types. Consult your tube vendor for specific applications and specifications.

HHSCOTT TYPES:	EL84 -- 6BQ5 -- 7189-A
6BQ5: 222-A 222-B 7189: 222-C 222-D 299-A 299-B 399 LK-48-A LK-48-B 399	POWER BEAM PENTODE Tube Data provided by Duncan Amplification Miniature type used in the output stages of audio frequency amplifiers. Requires miniature 9 pin socket. This tube, like other power handling tubes, should be adequately ventilated. Download Duncan's utilities and tube database software.