LS2/5
LS3/1
LS3/lA
LS3/1B
LS3/1C
LS3/2
LS3M/3
LS3/4
LS3/4A
LS3/5
LS3/6
LS3/6A
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LS2
LS3/4. OBSOLETE.
High Frequency
HFl300. T534.
Loudspeaker, 57mm Rola
DD 1969. OBSOLESCENT.
Celestion type
LS3 OUTSIDE BROADCAST LOUDSPEAKER ASSEMBLIES
Comprises Filter FL6/l, Plessey Low Frequency Loudspeaker
and GEC High Frequency Loudspeaker mounted in CT4/l, and
Loudspeaker Amplifier AMS/l or AM8/4. Also used with
Amplifier Cabinet and Plinth CT2/l0 in some studio control
cubicles. ACO. OBSOLETE.
As LS3/l but Plessey Low Frequency Loudspeaker replaced by
Goodmans Type C129B/l5PR/150hm. OBSOLETE.
As LS3/lA but FL6/l replaced by FL6/l0. OBSOLETE.
Maintenance version, comprises
FL6/21, in original CT4/l.
OBSOLESCENT.
LS2/l, 2
DD 1971.
of LS2/5 and
DD Spec 3.564.
Printed board 76mm x l37mm with loudspeaker used with
MN3/502. WITHDRAWN.
Used on OBs etc., where a small, medium quality
loudspeaker is required. Comprises a Goodmans 'Maxim'
loudspeaker unit attached to a metal stand containing an
AM8/9. 267mm x 267mm x 19lmm. DDHB 3.97. ACO.
OBSOLETE.
Used for sound monitoring in Mobile Control Room for
colour television. CT4/l0 with LS2/5, LS2/4A and FL6/l4.
EDI 10054(1)AUG70. OBSOLETE.
WITHDRAWN.
Miniature Loudspeaker for monitoring sound quality in
vision areas of Mobile Control Rooms. CT4/ll with KEF
type BIl0 bass unit, KEF type T27 high frequency unit,
FL6/16. DD Spe~ 3.508. DDHB 3.198. EDI 10055(1)SEP70.
OBSOLETE.
For monitoring sound quality
Rectangular version of LS3/4.
and FL6/l7. EDI 10056(1)AUG70.
for OBs and speech studios.
CT4/l2 with LS2/4, L82/5
OBSOLETE.
Extended range version of LS3/6 for monitoring sound
quality for OBs and speech studios. Comprises CT4/l3 with
LS2/4, LS2/5 and extra high frequency unit Reslo type
2000, FL6/22. OBSOLETE.
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LS3 Sub Group not available for new designs DD 1979.

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