Fabricantes
- Jackson
- Janel Laboratories
- Jaybeam Limited
- JBL
- JDSU
- Jemco Industries
- Jenn-Air
- Johnson
- JRC Japan Radio Corporation
- Jupiter
- Jura
- JVC
- J. W. Miller
Manuais interessantes
Vertical axis has high sensitivity and wide bandwidth and especially covers fully specified frequency response at 2mV/div for all models. CS-1022,