When I did the mod to these speakers I only put one Sand Pebbles ceramic tile 7.75" sqare by 5/16" thick in each midrange chamber.....I put the tile in the back with one end angled in the top back corner with the Sand Pebbles side facing the back side of the speaker driver...... |
After listening more, these speakers sound better without the sand pebble tile in the midrange chamber...they sound best with nothing at all in the chamber. Now I'm waiting for the (ALL NEW BOSE 901's) to come out to compare them with the DCM's....... |
BOSE is coming out with a all new 901 speakers.....COMING SOON! |
When I did this mod on the DCM's I also took out all the wood bracing in the midrange chamber. I also put memory foil from Peter Belt on each midrange driver's frame. I CAN'T STOP LISTENING TO THESE SPEAKERS NOW! |
Anyone that has these speakers that want to do this mod I posted on how to do this mod on http://www.audiokarma.org on the speaker forum there....... |
Update on these speakers...I cut the top and back wood off making this speaker a true open baffle speaker. Now they are only the front baffle with no wood around the midrange. This improved things even more! |
I found out about the all new bose 901's on the ecoustics forum.... forum.ecoustics.com/bbs/messages/1/343260.html If this link does not work do a GOOLE search for..... Bose plans to launch 901's series 7 |
Well...my DCM's are sounding better now I put hookup wires from the crossover board out to my speaker cables. I also put hookup wires from the midrange driver down to my speaker cables...this midrange sounds AMAZING wit no crossover cap in its path! I will never sell these speakers now..NEVER! I see that DCM came out with a new speaker model, that means you can get the TFE200'S at a great price now. I'm thinking about getting another pair now..... |
My bose acoustic wave music system 2 sounds better than my 901's. I hope they come out with a better 901 speaker this time around with the series 7....... |
I used woods yard master patio cord from Wal-Mart for hookup wire for my DCM's mod ... http://www.6moons.com/audioreviews/whitelightning/moonshine.html |
After you heard a GOOD open baffle speaker your never go back to a BOX speaker again! |
If DCM only tried this speaker as a open baffle first I think they would had sold them this way. These speakers sound best with no wood around the midrange driver but the front baffle. They also sounded better with the corners on the midrange baffle cut off. I marked off 2 3/4 inches on each side of the midrange driver at the top of the baffle and cut the corners off at a angle. This improved things even more...drawing you into the music even more! |
These speakers sounded just fine like they were.....they just sound better with these mods. Another mod I just did was rounding off the top part of the midrange baffle....this made things sound even better! I'm done with the mods now....LATER |
Sorry....no way to post pictures right now. I will be very busy soon...some of my friends are getting some of these speakers and want me to do these mods on them....They sound DAMN GOOD after these mods are done on them..... |
If I COULD I would post pictures! This is a very easy mod to do...Take the midrange driver out and everythng inside out. I cut all the wood around the midrange driver leaving only the front baffle. From the top part of the wood down to the bottom of the midrange driver is 7 inches.....you mark off 7 inches all around the sides and back. The front baffle is 1 inch thick...you mark that off all around the sides and top. Now you just cut out what you just marked off to cut out. Next round off the front midrange baffle....they should only be 3/4 of a inch thick of wood from the top of the baffle down to the top part of the midrange driver...use a jig saw to cut this part off! I rounded the wood off half way around the midrange driver. At the ends of of the midrange baffle its rouned off there....I cut the that rounded part of wood off..on the back side of the midrange baffle you can see where to cut this off. Next take out the crossover board and take off the tin hookups from the crossover board and put in the hookup wires from the crossover board out to the speaker cables. Next put the midrange driver back on and hook up the hookup wires going from the midrange driver down to the top hookup wires...for the mids and highs. That's all there is to it your done with this mod! THESE SPEAKERS NOW SOUND SPOOKY REAL...........LIVE!
I had a party last weekend and these speakers were the talk of the party! Now they all want a pair! |
I think of these Modified DCM's as my MAGGIEVANDY SPEAKERS NOW! |
I can't wait for the all new BOSE 901's to come out....the older 901's matched up very close to one of the best sounding speakers ever made....the vintage JBL L150A's... http://www.randallareed.com/JBL_150L%20Speakers.htm |
Sherod...I'm not a member of any fraternity. I'm using very low level gear with these DCM's......Modified Marantz pm7001 integrated amp and matching Modified Marantz CD player cd7001 and cables, I'm using Synergistic Research Alpha Quad active (X2) |
