Sound amplifier

Superseded by: 84116924824 (02/01/2001 — 04/05/2006), non-exchangeable retrospectively 84116916769 (07/23/2001 - 12/14/2006), Exchangeable retrospective. in connect. w 84116922942 (02/01/2002 — 02/03/2010), Exchangeable retrospectively 84116924823 (11/01/2002 — ), Exchangeable retrospectively Super seats: 84116916754 (01/01/2001 — 02/27/2001), Exchangeable retrospectively 84116915001 (11/01/2000 — 04/20/2001), Exchangeable retrospectively 84116913440 (11/01/2000 - 10/18/2000), Exchangeable retrospectively 84116912025 (09/01/2000 — 07/12/2000), Exchangeable retrospectively 84116902403 (09/01/2000 — 05/08/2001)