Those first GGA's were a joke. I got the first two sets to test along with Gary Storms AT Pro. They gave me special instructions, don't mess Gary's machine up...I took the 2 sets of GGA's and threw them in the pool and let them set overnight, under 8 foot. We all know how that went...both leaked, the china factor swore it was because they were flown over in a non pressurized compartment on the plane.
Doc's amp rocked in PP on the excalibur..If the "AQ" is as "Silent as they say Between the Skullie tubes and Doc's amp I know we can get a lot more out of it..... in all metal only. " check out my 2012 video of docs amp on a 8 inch excalibur..air test but it gives a good idea of what we are listening for when we swing...the target audio does not stop on deep target on the excalibur, they are there but way below our hearing range...a good set of phones will open up a area unheard with regular HP's..I'm hoping the same holds true with the Impulse "AQ"....
Another test I want to run once we have a "AQ" is to see if it has any Hot spots on the coil. Checking the send fields reach and see if there are any blank/weaker areas of the send field. This test helped me realizing that the send field strongest point is kind of small on the excalibur....So to get the deepest targets coil control is very important in area's that have the highest chance of holding old deep gold. To hear the send field a Audiosears 2463 speaker is used only