Dave wrote: > I'm feeding audio from my IC-746 (non-Pro) to the PC from the ACC-1 > jack so I can have constant audio level. I feed audio from the > external speaker jack to an external speaker (novel concept!). The > problem I'm encountering is that I share the shack with the XYL, who > is only a few feet from me in the evening. No matter how low I turn > the audio down on the rig, the sound from the speaker is just a bit > too loud. This 746 has a very sensitive AF gain control, so that the > audio is either off or too loud. > > Is there a way I could put a rheostat or potentiometer in the audio > line from the external speaker jack that would let me have more > control over the audio from the speaker? And if so, what value should > I look for to give a broad range of control so I can go from very > soft to normal? > > Thanks in advance! Dave KB3MOW
You just need an attenuator. An L attenuator may be OK, one leg could be a 10 ohm resistor, and the other leg your 4 ohms speaker.... If your amplifier does not dislike 14 ohms, it avoids twaking inside the radio's belly. Jose, CO2JA __________________________________________ XIII Convención Científica de Ingeniería y Arquitectura 28/noviembre al 1/diciembre de 2006 Cujae, Ciudad de la Habana, Cuba http://www.cujae.edu.cu/eventos/convencion