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well that was interesting. ..

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Posted on January 15, 2017 at 14:03:49
watts
Audiophile

Posts: 536
Location: B.C.
Joined: June 30, 2004



Green Lantern inspired me to swap my tweeters to the inside. It has been about 4 years since I have played around with this. After movement plopped them down about 49 " from the back walls and 11" from the sides. I think I like it; will have to experiment with placement but sounds good enough to leave it for a while, but does anyone notice the outer frame off to the left?

After a few tracks the left treble quit.I checked the amp connections etc,and I can see the signal going to the speaker as the Mc has meters, but no sound. And then it came on; then off. Hmm. Maybe moving them worked a connection loose? It was the tweeter and midrange driver both out. I hit the side of the speaker and it worked again, then quit a few seconds later. I soldered the cardas binding posts myself; maybe that is what is loose? so I unscrewed the binding post plate; all looks good. Then pulled off the front, yanked umpteen staples, rolled up the sock and looked at the connections around the treble crossover for a loose connection. First time I have done this. Again all looks good. Wtf?

So I just attached the stand, hooked it up and it has been working fine for over an hour.??? I don't think it is my Transparent cable, but they do have secret networks so maybe that is what it was? If it happens again I will swap them.

Anybody have any ideas? Is a cap going in the crossover? Or do caps just die rather than flick on and off?

 

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RE: well that was interesting. .., posted on January 15, 2017 at 16:56:19
Satie
Audiophile

Posts: 5426
Joined: July 6, 2002
 Did you yank on the wires into the solder joints to figure out if any of them are cold soldered? The intermittent connection is likely to be an intermittent break due to a cold solder or other mechanical problem with the wires at a crossover junction since both mid and tweeter come off. The response to mechanical knocks is pretty much definitive - that is the kind of problem you should be looking for. . .

 

RE: well that was interesting. .., posted on January 15, 2017 at 17:56:32
watts
Audiophile

Posts: 536
Location: B.C.
Joined: June 30, 2004
 I did; they all were tight. Problem hasn't happened in the last several hours.

 

RE: well that didn't take long!, posted on January 15, 2017 at 19:44:13
watts
Audiophile

Posts: 536
Location: B.C.
Joined: June 30, 2004
 Tweeters back on the outside. Maybe I did know what I was doing 4 years ago :)

Especially with this new DAC I have, it is a little hotter than the Wyred it replaced, I found the tweeters on the inside a little too much, and the upper bass lost a little oomph. I tried moving them back to about 40 inches from the back wall; a little better, but not good enough.

Tweeters back on the outside seems to tame them a little and the upper bass seems more full and appropriate; but maybe that is just me because that is what I have been used to for a while. All I can say is to my ears, with this gear in this room, tweeters on the outside is the way to go. They are 52" from the back wall. I have had to listen to Emerson Lake and Palmer every few days since Greg's passing. RIP. My thanks to the producers who made it sound so awesome.

Still have not had the treble drop out reappear; gremlins?

 

RE: well that didn't take long!, posted on January 15, 2017 at 22:33:22
Satie
Audiophile

Posts: 5426
Joined: July 6, 2002
 Well, lets hope that was it and whatever was dislodged before is now jarred into the correct position and stays there till the end of time.

If you were used to tweeters out then when setting up with tweeters in you would want to maximize the distance between the tweeters to make it roughly the same as it was with the outsies. If that results in proximity to the sidewalls then you can use that to your advantage to warm up the tonal balance with wall loading.

I don't remember you having a particularly long narrow room but on the long wall in such rooms it is usually far better to place the tweeters out. They want to be ~36" from the sidewalls and care little whether the rest of the speaker or just air stand between them and the sidewall. Don't ask me why, I never managed to figure that one out.

 

RE: well that was interesting. .., posted on January 16, 2017 at 11:18:32
timm
Audiophile

Posts: 780
Location: Ann Arbor Mi
Joined: January 15, 2008
 I had an issue like this in an amp once. Replaced the fuse. Problem went away. Was wondering whether you checked the fuse or replaced it on the back of your Maggie's

 

I have my tweets in (3.6) at same tweet position as if tweets out., posted on January 16, 2017 at 11:39:50
3+4=5
 So my Maggie 3.6 are farther apart..
I also am about 40" from back wall. and only 2ft from sides..
So the speakers are positioned so the tweets are in he same location as if tweets out.
This moves the woofers closer to the side walls. and opens the space between... For the same image size.

I found it damn near impossible to solder anything inside my Magnepan II. Once a wire came loose, It seemed like I could fix it for a year, then it would fail again. Period.

 

RE: well that was interesting. .., posted on January 16, 2017 at 16:16:32
watts
Audiophile

Posts: 536
Location: B.C.
Joined: June 30, 2004
 I have no fuses on the back of my 3.6's :) Yes that would have been the first thing I would have checked.

I seriously am wondering if it was the network in my Transparent cable. I remember hitting the speaker and it came on, then went off, I hit it again it came on again. The shockwave could have gone down the speaker cable and vibrated the network. I am going to give Transparent a call and see if this has ever been an issue.

 

RE: well that didn't take long!, posted on January 16, 2017 at 16:31:08
watts
Audiophile

Posts: 536
Location: B.C.
Joined: June 30, 2004
 At the moment, with the tweeters on the outsides, the tweeters are 16" from the side walls (the long wall). The speakers are about 12" further apart than I had them before trying them on the inside; sound okay for now.

36" from the sidewalls in this 126" wide room means the insides of the speakers would only be 14" apart in the centres. I haven't tried it, but I would have to move the amps...

 

RE: well that was interesting. .., posted on January 16, 2017 at 17:05:02
timm
Audiophile

Posts: 780
Location: Ann Arbor Mi
Joined: January 15, 2008
 Well. I figured you had that covered. But ... hey you never know !! :)

 

RE: well that didn't take long!, posted on January 17, 2017 at 11:19:04
Satie
Audiophile

Posts: 5426
Joined: July 6, 2002
 I didn't realize the room was so narrow so don't bother with my suggestion and I doubt outsies are going to do better than insies in this context. If you setup absorption on the sidewalls by the tweeter then the tweeter out setup might work with such proximity to the side walls, otherwise I am very skeptical of the SQ potential with tweeters out..

 

RE: well that didn't take long!, posted on January 17, 2017 at 20:02:13
watts
Audiophile

Posts: 536
Location: B.C.
Joined: June 30, 2004
 One thing about this hobby; always a work in progress!

 

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