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PA8
PA8/282
Master Operate Desk Panel for SB switching at regional
centres. Associated with PA8/281 and PA17/138. Similar
to PA8/215 but with reduced facilities and provision for
one more source. 1968. WITHDRAWN.
PA8/283
Technical Area Intercom Desk Panel used in News Block,
Television Centre, Spur, to provide microphone and
loudspeaker amplification. Front panel (140mm x 102mm)
with stalk microphone, loudspeaker, volume control and
'Speak' push-button, and hinged rear panel (121mm x 98mm)
with amplifiers, transformers, etc. 1968. WITHDRAWN.
PA8/283A
As PA8/283 but with facility for using telephone handsets
instead of microphone and loudspeaker. 1968. WITHDRAWN.
PA8/284
Talkback and Equipment Switching Panel
sound studio desks. Includes 2 AM9/8,
1968. DD Spec 3.478. ACO. OBSOLESCENT.
used in
AM4/8A,
Type D
FL1/33.
PA8/285
Office Intercom Desk Panel used in News Block, Television
Centre, Spur. Similar to PA8/283 but with flush mounted
microphone. 1968. WITHDRAWN.
PA8/286
Studio L.S. Select Desk Panel used on a Type D desk to
control the loudspeaker in a News Studio. CH1/37A. 1968.
ACO. WITHDRAWN .
PA8/287
Miscellaneous Desk Panel used on Type D desk at Television
Centre to provide keys for line-up, monitoring, remote
control of 3 tape recorders, 3 control lines for News
Studios, etc. Similar to CH1/37 but 229mm wide. 1968.
ACO. WITHDRAWN .
PA8/288A,288B Stereo PPM Desk Panel used in Type D studio desks.
Includes double PPM, printed boards from 2 ME12/4, 2
AM5/7, 2 NE1/8. PA8/288A has meter pointers coloured Red
and Green and indicates A and B signals with key in normal
position. PA8/288B has meter pointers coloured White and
Yellow and indicates M and S signals with key in normal
position. CH1/37B. DD 1968. DD Spec 3.474. ACO.
OBSOLESCENT.
PAS/289
Stereo
desks.
which
NE1/8,
Monitoring Desk
First used Maida
fits into same
2 AM9/8. 1968.
Panel for use on stereo sound
Vale 1. Chassis 406mm x 57mm
mounting as CH1/35. Includes 2
DD Spec 3.480. ACO. OBSOLESCENT.
PA8/290
Ring Mains Desk Panel used on stereo sound desks to
provide ring mains facilities in stereo. First used Maida
Vale
1.
CH1/37G.
DD 1968.
DD Spec 3.473.
ACO.
OBSOLESCENT.
PA8/291
Stereo Echo Desk Panel used on Type D sound studio desks.
Includes 6 AM9/8, ME12/S. CH1/35J. 1968. DD Spec 3.481.
ACO. OBSOLESCENT.
PA8/292
Stereo Desk Panel used in conjunction with 2 PA8/260A to
provide additional functions (width control, offset and

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