| German | English | |
|---|---|---|
| Patent | ||
| Patent | Tonfrequenzverstärker | audiofrequency amplifier |
| Technical | ||
| Technical | Tonfrequenzverstärker [m] | audio amplifier |
| Automation | ||
| Automation | Tonfrequenzverstärker [m] | audio-frequency amplifier |
| Electronics | ||
| Electronics | Tonfrequenzverstärker [m] | audio-frequency amplifier |
| Electronics | Tonfrequenzverstärker [m] | audio amp |
| Recording | ||
| Recording | Tonfrequenzverstärker [m] | audio-frequency amplifier |
| Recording | Tonfrequenzverstärker [m] | audio amp |
