[miatadan]

I am waiting for a pair of Magnepan 1.7i to arrive as well as single DWM woofer panel.
Would I be better to place DWM between the 2   1.7i  ( center ) speakers or along one side wall?
Should I place the DWM behind or in front of the 1.7i is placed along one side wall?

Not sure if DWM will add much to bass of system as some reviews state not much improvement when adding DWM woofer panel.

Be nice to hear from those who purchased the DWM

Dan

[SteveFord]

Magnepan did a good write up in their owner's manual which you've probably seen already:
http://www.magnepan.com/manual_DWM#InstallationAndPlacement

I used one with 1.7s a few years back and for the odd-shaped room they're in I preferred it further back than the 1.7s.
Like anything else, you'll have to experiment with placement.

[SwamisCat]

I've owned DWMs for three years or so and used them in single or double with 3.7i's and IIIa's (I currently own both pairs). I have always found they integrate best when slightly ahead of the mains. However, flush with the main speaker also sounds great and tightens up the bass a bit.

When I use a single DWM, I hook one channel to each half and put it somewhere between the two main speakers (usually flush to plus 12 inches).  For example, I recently had it flush with the left speaker on the inside. Experimentation is the key.  In general the things need the resistors to reduce output or the mid bass can get a bit much for long term listening.

[Maritan]

You know, I've got two Rel T2s and I love the bass on well recorded tracks. No Quarter on Led Zep's Celebration Day especially gets me going really good. To my ears, I have them tuned in pretty well and I enjoy the sound.

I, however, have been thinking of moving the subs to my home theater and maybe going with a DWM for 1.7s (not i version)...

[Paddlefoot]

i use a single DWM with my 1.7i`s, i have two Emotiva XPA-2 AMPS, one stereo amp for the left , one for the right, i split the amp to run a single 1.7 from one channel of the amp and use the other channel to run one side of the panel, i do same for the other side. i put the single DWM in the middle, reverse the phase on the DWM... and complete heaven, i only use the Rythmik F12 on some really deep bass and organ music. Most of my music i just use the 1.7 and a single DWM. Greg

[SwamisCat]

You reverse thes phase? So the effect is less bass? Smoother bass? Interesting.

What are the subjective differences between in and out of phase in your opinion?

Two other comments. In my home trial of DWMs, one of the two trial units was internally wired out of phase. Thus I wired it out of phase to get it back into phase. The other unit and the two I bought were not wired as such. I HAVE tried reversing the phase on one or both, but never got any benefit in my room and my system. I can certainly imagine how it is possible though in right conditions.

[SwamisCat]

Maritan,

I would do a home trial first. The effect of the DWM really is totally different than a sub. It increases bass from about 300 to 80 hz, roughly.* This adds weight and impact to lower Mids, upper bass and top of the mid bass. It doesn't do anything at all to lower bass IMO.  IOW, it does not in any way overlap with the Subs.

I really love my DWMs. However they tend to add most value in large rooms, especially if you like your main panels WAY out in the room (the further you go past 5 feet from FW the more upper bass reinforcement the speakers need IMO).

*It can also smooth peaks if used wisely.

[Paddlefoot]

SwamisCat
i bought two used subs, one came with the minis and other alone, these where in fact wired differently , so i copyed the wiring from the dwm that i got with the mini, both were now in phase, i got much better and more bass when either one was wired out of phase with my 1.7 when i use it single dwm. if you ever get a chance to pull you back plate off your dwm and see how its wired to the panel would be great, black-white black -white or is it black -white -white -black. any way in my room , out of phase with the 1.7 works and works well. i wonder if Magnepan had problems with units being wired out of phase at the factory, or did they change the wiring in the production of the DWM later and now you have some older units that are infact out of phase with each other, one unit ss# is 0240 the other is 1062.Greg

[Maritan]

Maritan,

I would do a home trial first. The effect of the DWM really is totally different than a sub. It increases bass from about 300 to 80 hz, roughly.* This adds weight and impact to lower Mids, upper bass and top of the mid bass. It doesn't do anything at all to lower bass IMO.  IOW, it does not in any way overlap with the Subs.

I really love my DWMs. However they tend to add most value in large rooms, especially if you like your main panels WAY out in the room (the further you go past 5 feet from FW the more upper bass reinforcement the speakers need IMO).

*It can also smooth peaks if used wisely.

Good to know and I think you're right. I should do an in house trial first. Hell, add one to the existing subs! Just kidding. I'll have to think about this a little more.

[Paddlefoot]

Ok, I talked to nick at Magnepan.. The correct wiring for the DWM is.. Looking from the back .. Left to right.. White .. Black.. White .. Black.. For those who want to know.r

[miatadan]

I will try placing DWM between the MG 1.7i as well.

Hopefully McIntosh MC302  ( 300 watts per channel, good current ) will have enough power. Unsure whether to use 4 ohm or 8 ohm taps as Martin Logan Spires sounded better with 8 ohm tap for some reason.

Last pair of Magnepans I had were the MG 1.6 , not sure what differences there is between newer generation panels now compared to MG 1.6.

Dan

[Lizard84]

I have super MMG's on sound anchor stands adjusted to for max height with 2 DWM's, I've placed the DWM's inside of the MMG's and about parallel with them, just outside of the MMG's,  both 8-10 inches behind, parallel and 8-10 inches in front of them.

 There present placement is directly in front of the MMG's, only about 2 inches of the MMG's lower operating surface is obscured by the top of the DWM's.

My preferred positioning is the last I tried with the DWM's in front of the MMG's, 2nd choice would be with the DWM's outside of the MMG's and 8-10 inches behind. 5 foot high artificial bamboo plants are placed behind the Maggie's for diffusion.