| Ferrograph SFM1 Stereo Tuner.
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| BACK |
| Specification |
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| Frequency
Range |
87.5 - 108 MHz |
| Antenna
Connections |
75 Ohms Unbalanced (coaxial) 300 Ohms Balanced. |
| Usable
Sensitivity |
1.5 Micro-volts. |
| Selectivity |
60 dB |
| AM
Rejection |
50 dB |
| IF
Rejection |
70 dB |
| Image
Rejection |
75 dB |
| Stereo Switching
Level |
10 Micro-volts |
| Capture
Ratio |
2.0 dB |
| Signal/Noise
Ratio |
80 dB @ 1 Milli-volt input. |
| Muting
Level |
Continuously Adjustable |
| Stereo Pilot
Rejection |
(19kHz) 60 dB |
| Total Harmonic
Distortion |
Mono 0.25% Stereo 1% |
| De-Emphasis |
Standard 50 Microseconds. |
| Stereo
Separation |
40 dB (1kHz) Adjustable to zero ( mono) |
| Output
Level |
200 mV for 25 kHz Deviation |
| Output
Impedance |
300 Ohms |
| Hum on
Output |
- 65 dB |
| Frequency
Response |
Ref. 1 kHz 3 dB down at approx. 35 Hz and 15kHz |
| Dimensions |
Width 18 in x Height 4.25 in x Depth 9 in |
| Weight |
12.5 lbs. |