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 WITHDRAWN.
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 WITHDRAWN.
As PA8/283 but with facility for using telephone handsets
instead of microphone and loudspeaker. 1968. WITHDRAWN.
Talkback and Equipment Switching Panel
sound studio desks. Includes 2 AM9/8,
1968. DD Spec 3.478. ACO. OBSOLESCENT.
Office Intercom Desk Panel used in News Block, Television
Centre, Spur. Similar to PA8/283 but with flush mounted
microphone. 1968. WITHDRAWN.
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 WITHDRAWN .
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 WITHDRAWN .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.
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.
Ring Mains Desk Panel used on stereo sound desks to
provide ring mains facilities in stereo. First used Maida
DD Spec 3.473.
Stereo Echo Desk Panel used on Type D sound studio desks.
Includes 6 AM9/8, ME12/S. CH1/35J. 1968. DD Spec 3.481.
Stereo Desk Panel used in conjunction with 2 PA8/260A to
provide additional functions (width control, offset and