~4
328 -
printed wiring. DD 1958. DDHB 1.21. WITHDRAWN.
RD4/2
Comprises EMI TR/90 on trolley RD4A/2
DD 1958. OBSOLESCENT.
with
PA6/6.
RD4/4
Modified EMI BTR/2 tape recorder. Modifications include
electro mechanical changes and the fitting of transistor
electronics.
DD 1966.
DD Spec 1.80.
DDHB 1.72.
OBSOLESCENT.
RD4M/5
Four track Magnetic Recorder used for recording on RP4/3
(1) telephone number, (2) abnormal state announcement, (3)
normal state announcement, (4) short tone control pulse.
DD 1967. DDHB 2.178. OBSOLESCENT.
RD4/6
Intrinsically Safe Magnetic Recorder complying with the
requirements of the Ministry of Technology for use in coal
mines. Modified UHER 4000L. DD 1970. WITHDRAWN.
RD4/9
Magnetic Tape
Recorder/Reproducer
control panel, etc.
Recorder
type B62
SCPD 1972.
comprising Studer
on trolley ~4A/3 with
OBSOLESCENT.
Type C
Tape Linking Console (Control Room). Links two machines
for continuous reproducing from a Central Reproducing Room
with remote start facilities and allows two machines to be
used simultaneously on separate programmes. OBSOLESCENT.
Tape Linking Console (Channel). Links two machines for
continuous recording or reproducing with remote start
facilities for reproducing. Also provides for third
machine for editing purposes. RX.l. OBSOLESCENT.
RD4A/1
RD4A/3
Three track magnetic recording head. OBSOLESCENT.
Magnetic Recorder Trolley for RD4/9, constructed of square
section steel tube and fitted with castors. SCPD 1972.
OBSOLESCENT.
RD4A/4
Magnetic Recorder Trolley designed to accommodate Studer
tape deck type B62 and associated equipment. Welded box
section frameword fitted with laminated chipboard panels.
SCPD 1972. ACO. OBSOLESCENT.
RP2 DISC REPRODUCING EQUIPMENT
RP2/1
Twin turntable desk for 78 r.p.m., 45 r.p.m. and 33.1/3
r.p.m. Comrprise CT3/3 with 2 RP2/1, RP2A/2 and PA8/21A.
Superseded by RP2/10A-D. DD 1956. ACO. OBSOLESCENT.
RP2/1A
As RP2/1 with rubber mounting
enable light weight pickups to
WITHDRAWN.
pads
be
added to CT3/3 to
fitted. DD 1967.

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