Fast, fun, Inexpensive OB project - Page 39

c2cthomas · 3rd May 2011, 03:38 PM

vaughn · 7th May 2011, 01:21 PM

Since I had already ordered parts for the original version of the Manzanita I thought I would cobble them together and give them a listen. I used some 1.25" thick ply I had on hand and covered them with some cork underlayment. I love my local used building materials store!

Of course the first thing I did was play them as loudly as I could with bass heavy music and a 120wpc class D amp. I'm amazed at the bass these can produce, I was half expecting them to sound rather thin. I did find the limits of low end with some Pantha du Prince played at loud levels. Bass quality was excellent and as extended as I could have hoped for. Admittedly these levels were much louder than I normally listen. In fact, the best sound so far played at my normal listening levels has been with a passive pre and PP 6BQ5 amp. I only listen about 7 feet from the speakers and don't crank it so the match is superb. I can't wait for the next iterations to be rolled out

Here is a picture in my messy garage

ra7 · 7th May 2011, 02:14 PM

Most excellent, vaughn!

Pano · 7th May 2011, 09:53 PM

Indeed most excellent! And 1.25" ply and cork rulz. Thanks for the photo and the description.

No, these are not a thin and dainty OBees. These rock, for sure.

vaughn · 7th May 2011, 10:14 PM

The cork made it very easy to countersink the tweeter; I just used Super 77 to mount the cork, rough cut the holes for the tweeters and traced around the tweeter baffle on the cork. Then it was simply a matter of cutting the circle and peeling back the cork for the 1/8" recess.

To say I'm eager to see the high efficiency version would be an understatement

I'd like something that plays nicely with a SE 2A3 and it sounds like it might fit the bill.

Pano · 8th May 2011, 12:02 AM

Up close and at reasonable levels, it should.

c2cthomas · 8th May 2011, 02:42 AM

Quote:

Originally Posted by vaughn

Here is a picture in my messy garage

Hmmmmm.......... I spy a couple of spare tubez ampz - plus a nice look'n dual VC woof-woof - plus a couple of boxes to sniff around in!!!

vaughn · 8th May 2011, 02:46 AM

Quote:

Originally Posted by c2cthomas

Hmmmmm.......... I spy a couple of spare tubez ampz - plus a nice look'n dual VC woof-woof - plus a couple of boxes to sniff around in!!!

Yep

Top shelf is pair of EV 12trxb's, next down is a Bogen CHB100 I'm rebuilding into a bass amp for a friend and on the bottom is a Sherwood S8000II.

Right now I'm listening to Buddy Rich on the Manzanitas with a little rebuilt PP 6bq5 Fisher console amp and it is sounding very nice indeed

c2cthomas · 8th May 2011, 02:55 AM

Quote:

Originally Posted by vaughn

Yep

Top shelf is pair of EV 12trxb's, next down is a Bogen CHB100 I'm rebuilding into a bass amp for a friend and on the bottom is a Sherwood S8000II.

Right now I'm listening to Buddy Rich on the Manzanitas with a little rebuilt PP 6bq5 Fisher console amp and it is sounding very nice indeed

I'm so green with envy that I can babababarly ttttyyyypppppeee - hmmmm......that doesn't infer anything naughty - I have both hands on da keyboard.

Pano · 8th May 2011, 03:30 AM

Ha! First thing I noticed was the stack of Priority Mail boxes. What was I thinking??

3rd May 2011, 03:38 PM	#381
c2cthomas 49 - for the 17th time diyAudio Member Join Date: Oct 2006 Location: Near "Music City" (Nashville Tennessee)	__________________ DIY audio can be expensive – but getting to see things go up in smoke - that's priceless!!!! ..... "whatever - call it brainfart of Mighty ZM"

7th May 2011, 09:53 PM	#384
Pano diyAudio Moderator Join Date: Oct 2004 Location: North Carolina Blog Entries: 4	Indeed most excellent! And 1.25" ply and cork rulz. Thanks for the photo and the description. No, these are not a thin and dainty OBees. These rock, for sure. __________________ Take the Speaker Voltage Test!

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7th May 2011, 01:21 PM	#382
vaughn diyAudio Member Join Date: Feb 2008	Since I had already ordered parts for the original version of the Manzanita I thought I would cobble them together and give them a listen. I used some 1.25" thick ply I had on hand and covered them with some cork underlayment. I love my local used building materials store! Of course the first thing I did was play them as loudly as I could with bass heavy music and a 120wpc class D amp. I'm amazed at the bass these can produce, I was half expecting them to sound rather thin. I did find the limits of low end with some Pantha du Prince played at loud levels. Bass quality was excellent and as extended as I could have hoped for. Admittedly these levels were much louder than I normally listen. In fact, the best sound so far played at my normal listening levels has been with a passive pre and PP 6BQ5 amp. I only listen about 7 feet from the speakers and don't crank it so the match is superb. I can't wait for the next iterations to be rolled out Here is a picture in my messy garage

7th May 2011, 02:14 PM	#383
ra7 diyAudio Member Join Date: Feb 2009 Blog Entries: 1	Most excellent, vaughn!

7th May 2011, 10:14 PM	#385
vaughn diyAudio Member Join Date: Feb 2008	The cork made it very easy to countersink the tweeter; I just used Super 77 to mount the cork, rough cut the holes for the tweeters and traced around the tweeter baffle on the cork. Then it was simply a matter of cutting the circle and peeling back the cork for the 1/8" recess. To say I'm eager to see the high efficiency version would be an understatement I'd like something that plays nicely with a SE 2A3 and it sounds like it might fit the bill.

8th May 2011, 12:02 AM	#386
Pano diyAudio Moderator Join Date: Oct 2004 Location: North Carolina Blog Entries: 4	Up close and at reasonable levels, it should.

8th May 2011, 03:30 AM	#390
Pano diyAudio Moderator Join Date: Oct 2004 Location: North Carolina Blog Entries: 4	Ha! First thing I noticed was the stack of Priority Mail boxes. What was I thinking??