Ideas to increase midrange sound?

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Folsom

Ideas to increase midrange sound?
« on: 15 Dec 2006, 09:34 am »
If you have a some what conventional speaker with tweeter and bass driver... What if the midrange is a bit flat? Can you guys think of any sort of "in-line" things to roll off the highs and lows or something? This concept is not for too much of an audiophile setup (still want it to sound good, some imaging etc)

bunky

Re: Ideas to increase midrange sound?
« Reply #1 on: 15 Dec 2006, 11:08 am »
If you have a some what conventional speaker with tweeter and bass driver... What if the midrange is a bit flat? Can you guys think of any sort of "in-line" things to roll off the highs and lows or something? This concept is not for too much of an audiophile setup (still want it to sound good, some imaging etc)
If you have a tube preamplifier roll in some Mullard's.

Scott F.

Re: Ideas to increase midrange sound?
« Reply #2 on: 15 Dec 2006, 12:27 pm »
Try one of the tube buffers behind your source. I think Musical Fidelity makes one that uses a 12Axx series tube. Then I'd start with some inexpensive JAN tubes, they tend to have a bit of midrange 'bloat'.

loki1957

Re: Ideas to increase midrange sound?
« Reply #3 on: 15 Dec 2006, 12:59 pm »
try toeing in the speakers

BobM

Re: Ideas to increase midrange sound?
« Reply #4 on: 15 Dec 2006, 01:32 pm »
You could always "adjust" the crossover. Open it up and find the resistor that is in series with the tweeter. Making this value larger will dampen down the tweeter. Making it smaller will increase the output.

If you want slightly more midrange then get a resistor that is .5-1ohm larger than the one in there already.

Enjoy,
Bob

Soundbitten

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Re: Ideas to increase midrange sound?
« Reply #5 on: 15 Dec 2006, 01:46 pm »
Bi-amp , if your speakers allow you to .

Folsom

Re: Ideas to increase midrange sound?
« Reply #6 on: 15 Dec 2006, 06:08 pm »
I will not be buying any tube gear soon. Perhaps if there was a DIY version that was real cheap compared to the $300 unit. This is all part of a Christmas present.

I might try to crossover thing, but the bass is pretty heavy in these speakers too... It also may be to hard to get into it. The crossover is mounted on a weid metal plate with a heatsink? Weird.

No Bi-amp avalible.

Thanks for the suggestions so far guys. Brain storming seems to be pretty handy around here.

JohninCR

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Re: Ideas to increase midrange sound?
« Reply #7 on: 15 Dec 2006, 07:44 pm »
Move them out from the wall or off the floor to reduce bass, and as mentioned before
toe them in to reduce the treble, or maybe a little added material inside the grill at tweeter
level, or just add an L-pad to the tweeter.  If they're BR cabs, socks or similar in the
ports can adjust the bass.

BobM

Re: Ideas to increase midrange sound?
« Reply #8 on: 15 Dec 2006, 08:11 pm »
Here's another idea that I just remembered. Get yourself some of that thin green felt material with a sticky back. You can usually find this at hardware stores. Try placing various amounts around the tweeter, on the faceplate - not on the tweeter material itself. It should serve to focus its sound, but also provides a bit of damping, in my experience.

I tried a small piece on just the screwheads and it made a big change in what I was hearing. I've seen designs with entire rings around the whole tweeter. It all depends on what you hear, but I would suggest starting small and working up to where it sounds balanced to you.

Enjoy,
Bob

Folsom

Re: Ideas to increase midrange sound?
« Reply #9 on: 15 Dec 2006, 10:04 pm »
Here's another idea that I just remembered. Get yourself some of that thin green felt material with a sticky back. You can usually find this at hardware stores. Try placing various amounts around the tweeter, on the faceplate - not on the tweeter material itself. It should serve to focus its sound, but also provides a bit of damping, in my experience.

I tried a small piece on just the screwheads and it made a big change in what I was hearing. I've seen designs with entire rings around the whole tweeter. It all depends on what you hear, but I would suggest starting small and working up to where it sounds balanced to you.

Enjoy,
Bob

This sounds like a good idea.

The speaker placement is not up to me :/

Scotty

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  • Posts: 135
Re: Ideas to increase midrange sound?
« Reply #10 on: 17 Dec 2006, 02:20 am »
Destroyer of Smiles,Your speakers may have a suck out at the crossover frequency between the tweeter and the woofer. If you are lucky this may only be a lobing error on the listening axis you are using. You may be able to fill in the hole by tipping the loudspeaker back 5 to 10 degrees, if this doesen't work you may have to have the crossover re-engineered.
Scotty

Folsom

Re: Ideas to increase midrange sound?
« Reply #11 on: 17 Dec 2006, 02:54 am »
The crossover has been re-engineered by some guy that worked for McIntosh and perfected haha... I read that somewhere about them.

I used some felt and now it is pretty good. The highs are still impressive, I think it is just the nature of the speaker itself.

I have discovered that their imaging and detail beats the hell out of my Pioneer B20s (not all I can think about is some B200 Visatons, how low do they play in OB?). They still do not have my perosnal taste in midrage but by normal standards the McIntosh's are nice speakers. I can tell you they stomp all over stuff like PSB. They are more like Tannoy bookshelf (the real ones that fit on a bookshelf) nice. I guess someone is getting a nice Christmas present!