2. tech-talk
  3. 973695284

Severe Imaging Problem

Since getting my Aleph-3 I have lateral imaging for the first time.My problem is my room.It is the only practical way I can have speaker set up.The speakers are the same distance from side walls.The left front wall is only 2 feet long then opens to a 5.5 foot wide X 3 foot deep,floor to ceiling window alcove.The right front wall is 6.5 foot long then opens to the alcove.The alcove has windows which are treated with heavy curtains.The alcove also houses myequipment.Obviously I have much more front wall in back of my right speaker.I have side wall treatment as well as front wall.The outside (lateral) imaging is excellent from the right speaker.I couldnt be happier! The left speaker there is little to no lateral imaging.I have reversed I.C.'s
david99

Showing 5 responses by david99

david99 OP
1,467 posts
 
Im sorry,let me correct my last entry.When I reverse the I.C.'s the imaging I had 2 feet outside the RIGHT speaker is now on the inside of the LEFT speaker plane.The imaging I had on the inside of the LEFT speaker plane is now 2 feet outside the right speaker. Sorry for the mess,Im so frustrated I cant think straight!
david99 OP
1,467 posts
 
(cont)when I do the imaaging I had 2 feet outside the (L) speaker now is on the inside of the left speaker.The inner imaging I had inside the left speaker is now outside the left speaker.I pretty much have no (L) speaker lateral imaging.I always thought side walls dictated lateral imaging.Could the alcove cause this?It seems so severe maybe its out of phase(?) Maybe a component problem? If its a room problem,any advice?More treatment on left wall?? HELP!!!!!!!! Thanks,Dave
david99 OP
1,467 posts
 
Carl,My Dynaco never threw a wide stage,rarely anything outside the speakers plane.I assumed one needed a super big buck system to get consistant imaging in "the outer limits" Anyway,I was floored when the Pass really started to purr and was throwing 2-3 feet images outside my (R) speaker.As I was only getting a hint of (L) sided imaging and only occasional 1 footers thats when I decided to mess with my speaker placement,but failed to improve the (L) side.I tried all types of remedies today.BELIEVE me,without going into all the detail,I spent 4 hours messing around.It appears the best sound is from the original placement and absortion locations.OHHHH, what a bummer!! NEXT??
david99 OP
1,467 posts
 
Sedond,I tried putting a sheet of plywood over the alcove.No difference.I have made some small speaker adjustments and presto! Lateral imaging to the left.Its not as good as the right side but I think thats a treatment issue that I will get to next.Thanks for all the help!
david99 OP
1,467 posts
 
Correction to above.I made some major speaker adjustments not small.A foot farther from the side walls.4 inches closer and toed in 1/2 inch or so more.
More to discover