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the bias was set too low according to the factory service manual. have you had issues with static after adjusting the bias? The amp now warms up nicely, where it ran ice cold before.

The bias...

bias was in mV, not mA. It was a typo.

I recently adjusted the bias on my GFA-5500. The bias voltage prior to starting was 7.9mA for the left channel and 7.9mA for the right channel. The factory service manual states these should read...

That is very nice. Do you have any plans or are you interested in building another one?

I will just say good luck trying to blend that to get it to sound like it was designed that way. It depends on the crossover of the new speakers and how low they play. How a system sounds to one,...

thanks anyway. very generous karma!

in. i am ready to make the step from receiver as a preamp to a dedicated preamp to match my adcom amp.

are they mp3/wma files or the original CD's. That may be your source of distortion. Mp3's are compressed and therefore there may be some audible distortion.

get the 9's and forget the others in the series. you won't regret it.

Well now it is time for review. Just like Ern Dog said: I was shocked at what it did to my rig. The first thing I noticed was that there was more of a 3 dimensional sound. The second thing I noticed...

http://www.parts-express.com/home.cfm

If you are talking like 20-20000 Hz +/- 3 dB, then that number is the frequency response of that speaker. If the last number is +/- 1 dB then the volume of all frequencies in that range will be...

I leave mine on 24/7 as well.

I wouldn't go with the 10, but the psw 505 from newegg.com. You can always scale it back since you are in an apartment, but you can't get much more out of the 10.

take the plate off and run multiple beads (about 1/4" thick) of clear silicone cauk across the back of the license plate. Go around the outside, middle, and then put a couple large x paterns on as...

every single f'ing song by AC/DC.......and they all sound alike.....and they get so much radio time......

once my a9's were broken in, and the adcom was broken in, the hk/adcom/polk combo really really made me happy. I do not use the sub for music at all anymore unless someone says "well what does it do...

did you drop the little plastic plugs from the banana plugs in them? I did it on accident when i was trying to remove one from the a9's.......binding posts are directly over the port.

While I like the looks of the 12's, the 9's look better to me. The cabinet being the same color and one piece just set it apart to me. I really don't care either way if the cabinets are curved or...

The 9's weren't nearly as bright as the 12's in my experience. I have owned both. The 9's were more musical while both are excellent for HT. I do not know about the driver information between the...

First, thanks for the replies.

Second, yes the amp is brand spanking new. I got it about two weeks ago and while I do leave it on all the time (was told ss devices last longer that way), I...

I recently purchased a used adcom 5503 which sounded very warm and rich only to find out the left channel was fried. I then purchased a brand new 5500 (hoping they would sound the same) and the 5500...

www.oregondv.com has spikes of different thread patterns available. I got the 1.375" spikes because they fit in the holes in my a9's (with a little effort).

Thread size is 1/4" - 20. I got the 1.375" spikes from oregondv.com because the carpet we have is really really thick and the polk spikes just didn't get down to the subfloor. They take some effort...

the IsoMax fixed my issue.