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AM16 REPRODUCING AMPLIFIERS
Used in RP2/I.
1kHz. DD 1957.
Provides equalisation for coarse and fine
and switchable top cut. Gain: 8.7dB at
DD Spec 1.27. ACO. OBSOLESCENT.
As AM16/l but modified for use with Goldring 800 pickup.
DD 1967. DD Spec 1.27. OBSOLESCENT.
Magnetic Reproducing Amplifier
reproduce signals from COMMAG or
100~sec characteristic. CHl/18C.
used in EP6/50l to
SEPMAG recordings with
DD 1963. DD Spec 1.31.
Optical Reproducing Amplifier used in EP6/501 to reproduce
signals from optical sound tracks. CHl/18C. DD 1963.
DD Spec 1.32. OBSOLETE.
Replay and Response Selection Amplifier used in EPlM/8.
PCB 152mm x l52mm. DD 1966. DD Spec 1.60. OBSOLESCENT.
DD 1966. CANCELLED.
Pickup Reproducing Amplifier used in RP2/1 with Go1dring
800 pickups. Comprises two pre-amplifiers connected
between the pickups and AM16/l amplifiers. Each has
variable gain of 24dB maximum at 1kHz and frequency
correcting networks. Diecast box with coaxial plugs and
sockets. DD 1967. ACO. OBSOLESCENT.
Pickup Reproducing Amplifier used with Goldring 800 pickup
Includes equalisation for the pickup and the BSI fine
groove characteristic. Eddystone 650 box. DD 1967. ACO.
Pickup Reproducing Amplifier used in RP2/6 with Goldring
800 stereo pickup. Comprises two pre-amplifiers each with
100~ input impedance, fixed equalisation of 3l80/3l8/75~s
for fine groove disks plus that for Goldring pickups.
Maximum gain of 29dB; 10k~ pre-set gain control on output.
Printed board with 25 way plug, coding positions 3, 7, 13.
DD 1968. DD Spec 1.168. DDHB 1.53. ACO. OBSOLESCENT.
Tape Recording Amplifier used on RD4/4 for amplification
of output from a 75mH stereo replay head with gain and
equalisation control for tape speeds to 38cm/sec and
19cm/sec. ISEP board with 25 way plug, coding positions
3, 9, 19. DD 1969. DD Spec 1.76. DDHB 1.63. ACO.
Tape Reproducing Amplifier used in RD4/7. Printed board
102mm x 25mm. DD 1971. OBSOLESCENT.
Time Code Reproducing Amplifier, fitted to a Studer
machine type A80 when used with EPlM/532. Amplifies time
code signals reproduced from tape via auxilliary head.
Printed circuit boare of size used for Studer logic