Hier habe ich die technischen Daten zusammen gestellt. Es wird klar, dass es sich hier nicht um ein Audiogerät, sondern um ein Messwertrekorder handelt. Insbesondere fällt der für Tonbandgeräte relativ schlechte Frequenzgang in den unteren Frequenzen und der relativ hohe Störspannungsabstand auf. Ich habe deshalb mal versucht den Frequenzgang nachzumessen. Es zeigt sich, das Sinussignale von 50 Hz noch zufriedenstellenden aufgezeichnet und wiedergegeben werden. Bei kleineren Frequenzen fällt die Empfindlichkeit schnell ab.
SPECIFICATION Typical values (Maximum value in bracket)
FM Record/Reproduce Module TIFM
Direct Record/Reproduce Module TIDR
Calibrator & Monitor Module TlCM
Sync & Voice Record/ReDroduce Module TISV
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Tape counter |
4 digit, 7 segment LED display, indicating seconds at 19 cm/s (7 ½ ips) |
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Remote |
Access to all functions including counter |
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Erasing effect (4 track head) |
-70 dB (-67 dB) |
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Head configuration IRIG 106-73 |
4 tracks, two per head |
3.8 cm(1 1/2 in) interhead distance |
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Shuttle |
built-in tape shuttle facilities using either tape counter or clear leader tape to designate start and stop point |
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Übersicht technische Daten
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Size |
400 x 390 x 170 mm³ |
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Mounting |
Can be mounted on special dolly carried by its handle or rack mounted |
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Weight complete, ready to work |
20 kg (44 lb) |
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Tape transport characteristics |
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Tape transport |
twin capstan open loop system with interhead tape tension sensor Tape tension automatically adjusted with the speed (two positions) |
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Tape speed (8 speeds bi-directional) |
1.19cm/s to 152cm/s (15/32 - 60 ips) |
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Tape width |
6.25 mm (1/4") |
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Tape thickness |
from 25µ to 50µ (0.7 mil to 1.5 mil) |
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Max. spool diameter with lid |
up to 7" |
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Max. spool diameter without lid |
Up to 12" |
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Rack mounting |
vertically up to 12" horizontally up to 6" |
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Spool hub type |
NAB AEG or cinema |
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Recording time at 7 ½ ips |
1 mil tape |
0.7 mil tape |
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10 1/2 ins reel |
1 h 50 |
2 h 20 |
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12 ins reel |
2 h 20 |
3 h 20 |
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Speed accuracy |
± 0.05% (± 0.06%) |
± 0.15% from ~20° to +70° C |
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Start time (from stop to play) (without adjustment) |
less than 1.5 sec(2 sec.) at 30 ips |
less than 0.6 sec. (1sec.) at 3 3/4 ips |
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Fast winding speed
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10 m/s (400 ips) |
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Winding time (mains powered) |
for 1600 m on 12" reel for 550 m on 7" reel |
3 mim. 30 sec. 1 mim. 10 sec. |
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Dynamic skew (ITDE) |
4µ sec. (5µ sec.) at 7 1/2 ips |
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Wow and flutter measured to IRIG 106-73 (Cumulative flutter "2 S" in % peak to peak) |
Speed in ips |
W & F in % |
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60 |
0.16 (0.25) |
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30 |
0.2 (0.25) |
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15 |
0.22 (0.25) |
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7 1/2 |
0.26 (0.3) |
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3 3/4 |
0.35 (0.45) |
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1 7/S |
0.5 (0.6 |
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15/16 |
0.6 (0.7 |
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15/32 |
0.65 (0.75) |
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Time base error (TBE) with servo. IRIG 118-73 |
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Speed cm/s ips |
TBE (µ sec.) + |
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152 60 |
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76 30 |
4 |
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38 15 |
4 |
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19 7 1/2 |
4 |
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9.5 33/4 |
6 |
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4.75 1 7/8 |
15 |
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2.36 15/16 |
30 |
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1.19 15/32 |
45 |
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Power supply |
23 to 31 V DC or mains adaptor |
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Max. power consumption battery operation |
25W max. |
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Operating positions |
every position |
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Operating temperature |
-20° to +70° C |
(limited by tape properties) |
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Operating speed range |
15/32 to 30 ips |
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Filter selection: automatic according to speed or manual |
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Filters characteristics |
constant amplitude ± 0.2dB |
linear phase +0, -0.1 dB |
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Pulse overshoot (with special built-in filters) |
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phase linear |
1 % (2 %) |
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Const. ampl. |
7 % (10 %) |
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Total harmonic distortion |
0.6 % (1 %) |
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Protections |
Fully protected against short circuit and overload |
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Input level (Peak) |
0.2 to 100 V adjustable |
stepped attenuator |
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Input impedance |
More than 15 kW shunted by 300 pF |
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Output level (Peak) |
0 – 2 V adjustable |
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Output impedance |
less than 50 W |
(overall record-play) |
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FM linearity |
±0.18 % (±0.25 %) |
(overall record-play) |
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Thermal stability |
-20° to 70° C (DC drift) |
100 ppm per °C of full scale |
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Dynamic characteristics (DC input) |
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SPEED [ips] |
BAND WIDTH [kHz] |
SNR with displaced filter |
SNR (RMS value) [dB] without tacho mode |
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30 |
0 - 10 |
50 |
47.5 (46) |
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15 |
0 - 5 |
51 |
48 (46) |
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7 1/2 |
0 - 2.5 |
51 |
48 (46) |
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3 3/4 |
0 - 1.25 |
49 |
46 (44) |
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1 7/8 |
0 - 0.625 |
45 |
44 (42) |
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15/16 |
0 - 0.312 |
43 |
42 (40) |
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15/32 |
0 - 0.156 |
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41 (38) |
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SNR measured linear or constant amplitude without external filter. |
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frequency response at all speeds |
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Constant amplitude |
± 0.1 dB (± 0.2 dB) |
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linear phase |
+0, -0.7dB (+0, -1 dB) |
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Constant amplitude with displaced filter |
+0, -2dB |
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AC coupled input (LF cut-off) |
10 Hz -2dB |
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Übersicht technische Daten
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Mike input |
high-output mike with press to talk switch |
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Internal loudspeaker output power |
1 W |
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Monitor headphone output or external loudspeaker |
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Load impedance |
8~ - 600 W |
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Max. output voltage |
3 V RMS |
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Frequency~ response |
automatically switched according to speed |
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Dynamic characteristics |
SPEED |
PILOT FREOUENCY |
SPEECH |
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ips |
kHz |
Response -3 dB Hz |
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30 |
50 |
300 - 2500 |
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15 |
25 |
300 - 2500 |
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7 1/2 |
12.5 |
300 - 2500 |
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3 3/4 |
6.25 |
300 - 2500 |
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1 7/8 |
3.125 or |
300 - 2500 |
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15/16 |
1.562 or |
300 - 1600 |
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15/32 |
0.781 or |
300 - 600 |
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* |
for the lowest speed either pilot or voice must be choosen |
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Operating speed range |
15/32 to 30 ips |
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Overshoot equalization |
13% (20%) |
(Amplitude and phase equalization) |
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Third harmonic distortion at ref. lev |
1 % (IRIG norm) |
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Protections |
full protection against short circuit and overload |
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Input level (peak) |
0.2 to 100 V adjustable (stepped attenuator) |
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Input impedance |
more than 15 kW shunted by 100 pF |
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Output level (peak) |
0 to 2 V adjustable |
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Output source impedance |
Less than 50 W |
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Dynamic characteristics |
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SPEED |
BANDWIDTH (+ 1.5dB (± 2dB) |
SNR linear dB without external filter |
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ips |
Hz - kHz |
41(39) |
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30 |
100-125 |
42 (40) |
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15 |
150- 60 |
43 (40) |
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7 1/2 |
100- 30 |
44 (40) |
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3 3/4 |
100-15 |
44(41) |
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1 7/8 |
100-7.5 |
44(41) |
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15/16 |
100- 3.75 |
44(41) |
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15/32 |
100- 1.87 |
44(41) |
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SNR values measured as defined by IRIG (with external filter) are 2 to 3 dB better |
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Übersicht technische Daten
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Meter |
metering method |
-peak - |
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+ peak |
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max. peak |
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DC |
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DC high sensitivity |
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AC accuracy |
0 Hz 10 kHz |
± 0.1 (± 0.2dB) |
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AC accuracy |
10Hz - 120kHz |
± 0.3 (± 0.5 dB) |
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DC accuracy |
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± 1 % (± 2%.) |
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Headphone output |
Output power |
10 mW (0.7 V into 50 W load) |
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Load impedance |
50 – 600 W |
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Internal calibrator accuracy |
Frequency |
± 4% |
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Amplitude |
up to 15 kHz |
± 0.1 dB (± 0.15 dB) |
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over 15kHz |
± 0.2 dB (± 0.3 dB) |
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