Converting high power Spectra from A7 to A4 head?

k3td · Post by **k3td** » Wed Jan 19, 2005 10:49 am

What needs to be changed (other than the control head)? I prefer knobs to push buttons while mobile.

BPD109 · Post by **BPD109** » Wed Jan 19, 2005 5:31 pm

The change has to be made in the RSS, change the control head type to Rotary

k3td · Post by **k3td** » Wed Jan 19, 2005 6:32 pm

Thanks - once I make the change in RSS will the A4 plug in when the A7 is now, or do I need to change any hardware?

Rick Rock · Post by **Rick Rock** » Thu Jan 20, 2005 4:28 pm

Yep you'll be good to go. Those heads are completely interchangeable. Just unscrew your A7 and screw in your A4. Done.

Will · Post by **Will** » Thu Jan 20, 2005 11:44 pm

My A4 Rotory head would not work on any of my dash mount radios. You have to use a updated interface board. I think the info is on Mike Blenderman's site.

Symtoms: Keyed on TX when turned on
Digital noise in speaker.

The A4 works on my remote mount with the old style cable.

YMMV.

k3td · Post by **k3td** » Fri Jan 21, 2005 4:35 pm

Thanks everyone!