Here's an update:

I sent the 7030+ to AOR UK. They replaced the SD5400 mixer and one of
the front end supply chokes. Once inside the receiver, they also found
a slightly leaky preamp transformer, so they replaced that while they
were at it. The receiver is working perfectly now...no more overload.
And it sounds great with the Collins filters.

Steve

wrote:
For the last couple of weeks I've been testing out a 7030+. It's a very
nice receiver, all decked out with Collins filters. Until earlier
today, I hadn't used it to listen to anything in the 2-3mhz range. But,
largely because of an earlier thread relating to intermod and the
7030+'s front end, I decided to put it through its paces.

To my surprise, there were noticeable images of big broadcast stations
popping up on numerous frequencies. Now mind you, I'm in Brooklyn, NY
and the BCB stations around NYC have to strain even the sturdiest front
end. So, I wasn't all *that* surprised to find these images. However,
it's interesting to note that none of these images are present on the
Drake R8B.

I don't mean this as a criticism of the 7030+, since it's a great
performer with lots of interesting features. I just find this result a
little surprising.

Fortunately, once I put a Kiwa BCB rejection filter in line, the
problem disappeared.

Steve