Bass control:
± 10 dB at 60 Hz.
Treble control:
± 10 dB at 8 000 Hz.
Frequency curves:
DIN 45511
± 2 dB
7
1
/
2
ips: 40-18 000 Hz.
40-16 000 Hz.
3
3
/
4
ips: 40-10 000 Hz.
50— 9 000 Hz.
1
7
/
8
ips: 40— 5 000 Hz.
60— 4 500 Hz.
WOW, maximum:
DIN 45511
R.M.S.
7
1
/
2
ips:
0.1
0
/0
0.07
°
/0
3
3
/
4
ips:
0.2
0
/0
0.14
0
/0
1
7
/
8
ips:
0.4
0
/0
0.28
0
/0
5.
3dB
OdB
'34
5,
B
3dB
N
Si
B
3dB
Sd B
136
10 Hs
20
50
100
200
500
1000
2000
5002 10000
20000
50000
Fig. 1.1 DIN-specified frequency range with tolerances.
Signal/Tape noise
at highest speed:
DIN 45511 (weighted)
4-track
48 (50) dB
2-track
50 (52) dB
DIN 45511 (unweighted)
47
(48) dB
47
(48) dB
IEC, A-curve
56
(57) dB
58
(59) dB
IEC, unweighted R.M.S.
51
(52) dB
51
(52) dB
Numbers in brackets apply for Series 15 only.
Distortion:
From record amplifier at 0 dB level: 0.5 °h.
From playback amplifier at 0.9 V output: 0.2
°
h.
From tape at 0 dB level: 3-5
0
/0.
Dimensions:
Width 15
1
/s" (39 cm). Depth 11
3
/
4
" (30 cm). Height 6
3
/
4
" (17 cm).
Weight:
19 lbs (8.7 kg).
1.2 SL-model
JO J /
6 6o4-oG
As standard model except for the following:
Transistors:
25.
Outputs:
FREE HD output is connected to output of extra playback amplifier.
Impedance approx 100 ohm. Output level maximum 1 V.
1.3 GT-model
As standard model except for the following:
Power Consumption:
60 W.
Transistors:
77.
Outputs:
Headphones: Impedance 100 ohm. 1 mV into microphone input gives 0.8 V across
200 ohm load. Maximum output voltage 2 V across 200 ohm.
Dimensions:
Height 8
1
/
2
" (21.5 cm).
Weight:
23 lbs (10.5 kg).
3