Grundig TK 20 - Accessories; Technical Specification

ACCESSORIES FOR YOUR TK 20
STETHOSCOPE EARPHONE
TELEPHONE ADAPTOR
CONNECTING LEAD
MICROPHONE
GRUNDIG 4. CHANNEL
ELECTRONIC MIXER UNIT
SPOOLS
SPARE SPOOL 52 in.
SPARE SPOOL 3 in.
3 PIN PLUG
EXTENSION LEADS
Type STET.3 for listening in privacy
and transcribing Price 3 guineas
TA3 . . . . Price 3 guineas
Type SL.3 for all input connections to
the TK20 or low impedance output
connections . . Price 8s. 6d.
Type SL.33 for all input connections to
the TK20 or high or low impedance
output connections Price tos. 6d.
Type SL.233 for use between TK20
and Grundig radio fitted with Diode
connection. . . Price 15s. od.
G.D.M.III. High impedance moving
coil Microphone for quality recordings
Price 8 guineas
Type GMU3. .
Price 16 guineas
850 ft. Grundig Recording Tape Reel
Type T.2 fitted with Automatic Stop
Foils . . . . Price £1 76
1,200 ft. Grundig Polyester L.P.
Recording Tape Reels Type TLP.2
fitted with Automatic Stop Foils
Price £1 15 0
Type SS.2 . . . Price 5s. 6d.
Type 88.4... Price 4s. 6d.
For all input or output connections
Price 5s. od.
For GCM.3 Microphone.
MEC.5. 5 yds.. Price 30s. od.
MECG.10. to yds.. Price 937s. 6d.
MECG.15. 15 yds.. Price 45s. od.
TECHNICAL SPECIFICATION
OF THE TK 20 TAPE RECORDER
MAINS VOLTAGES
CONSUMPTION
MAINS FUSES
H.T. FUSES
VALVES
RECORDING LEVEL METER
TAPE SPEED
RECORDING SENSE
FREQUENCY RESPONSE
SIGNAL TO NOISE RATIO
WOW AND FLUTTER
H.F. BIAS FREQUENCY
ERASE DAMPING
AMPLIFIER OUTPUT
LOUDSPEAKER
INPUT SOCKETS FOR
OUTPUT SOCKETS FOR
TAPE LENGTH
RUNNING TIME
(per tape)
Suitable for A.C. only 110-125,
190-210, 210-230, 230-250 volts,
50c/s.
Approximately 45 Watts.
6oomA (110-125V);
4oomA (190-250V).
1oomA surge resisting.
EF 86, ECC 81, EL 95, EL 95, EM 84
Plus 2 Metal Rectifiers.
Magic Eye.
32 ins/sec.
Top Track (International Standard).
60c/s—1okc/s; —4 to + 5db.
Better than 45db.
Better than + 0.2%.
78kc/s.
Better than 6odb (Ferrite Erase Head).
2.5 Watts.
Elliptical high flux permanent magnet
moving coil 33 in x 54 in.
Microphone. Diode Connection. Radio
L.S., Gram P.U.
Extension Loudspeaker (3-7 Ohms).
External Amplifier (High Impedance
Output).
1,200 ft. (Grundig type TLP 2).
2 X 60 minutes.
(reverse tape spool at end of first track
to record or reproduce on second
track).