- 300 -
Accommodates 4 AM4/9. PN3/23 with PN3A/36.
483mm x l33mm Panel (modified CH3/1B) for mounting single
CH1/4 units such as RC1A/503A for use with RC4/50l. 1961.
Accommodates 16 CH1/19 for use in studio desks.
1961. DD Spec 3.321. OBSOLESCENT.
Accommodates 3 filters of types FL1/9,
with 3 hole mounting. 483mm
DD Spec 2.185. OBSOLESCENT.
FL1/10 and FL1/ll
Accommodates 3 FL1/9 of original
mounting. Superseded by PN3/26.
design with 4 hole
1962. DD Spec 2.186.
Accommodates 10 CH1/19 for use inside studio desks. G1.
1962. DD Spec 3.347. OBSOLESCENT.
Mounts up to 3 CH1/l2A which plug into PN3A/2 or PN3A/l1.
483mm x 89mm. DD 1963. DD Spec 5.66. OBSOLESCENT.
Relay Mounting Panels for 483mm bays. Heights: A = 133mm,
B = 178mm, C = 222mm. DD 1963. DD Spec 8.110.
Used for mounting relays etc., on DK4/11. 14 368mm x
73mm. 1964/65. DD Spec 3.390. WITHDRAWN.
Basic pan-type chassis fitted with catch plates to accept
standard flush front cover as on CH1/29. 483mm x l77mm.
Used on PN3/37-40 and PN5/2 to house miscellaneous
transformer. resistors etc., as required for particular
installations. 1964/65. WITHDRAWN.
Mounts up to 3 units constructed on CH1/34. 1964/65.
Mounts 7 CH1/44.
483mm x 178mm paneL
Mounts 10 AMl/7
or AM5/5 with cutouts for
a rear panel to mount
Pan chassis 483mm x
R or M
Mounts 6 AM8/ll with two 5lmm rear pipes for connection to