The MA141,shown above (minus its handles) is for use with the MA79 HF Drive Unit ,amongst others,and was used to determine the overall distortion of SSB and ISB transmissions.
Technical specifications.
| Range | 1.0MHZ to 30MHZ |
| Range Of Distortion Measurement | -20 to -40 db to within 2db |
| Output Level to TX | 1mw into 600 ohms (balanced) |
| R.F Input Level From TX | 5v into 50 ohms at peak power |
| Test Signal | 1.6 khz modulated to 95% by 250 hz |
| Power requirements | 100-125v and 200-250v ac 45-65 hz |
| Power Consumption | 10 va approx |
Internal views
Close up of the front panel meter
