ALTEC LANSING 1614A
* Release date unknown
Price unknown (around 1975)
Commentary
Frequency Shifter.
This prevents howling caused by sound pressure feedback to the microphone in a theater or hall.
The sound pressure peak of the howling point is frequency-shifted, and an additional sound volume increase of 4 to 7 dB can be expected.
Model Rating
| Type | Frequency shifter |
| External dimensions | - |
| Weight | - |