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Lii F-15 Open Baffles (Read 1735 times)
Mannytheseacow
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Lii F-15 Open Baffles
12/20/21 at 22:33:32
 
Hey gang, just finished this copies of Steve's F-15 open baffles, currently set-up in my workshop until the x-mas tree comes down and I finish the 25th anniversary mods to my zkit.  Nothing overly special, I just glued up some 2x4s and used the cut-offs for the feet on the back.  I've got about $20 in the baffles and with the current special on the Lii F-15, under $500 in these speakers, for the best sounding system I've ever heard.  I can't wait til it's in my main listening space.
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Archie
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Re: Lii F-15 Open Baffles
Reply #1 - 12/21/21 at 00:05:57
 
Very clever with the 2X4s but where did you get that much lumber for $20?  It's still through the roof where I am.

The look a bit 70s den-ish.   Smiley
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ZLC
Technics 1200G TT w/ Ortofon Jubilee MC cart
ZMC1
ZP3 (25th A Mods)
ZR2 (25th A Mods)
CSP3 (25th A mods)
ZMA (25th A mods)
Homemade Big Betsy Speakers (F15s)
Silver Cabling
DIY Isolation platforms under amps & TT.
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Mannytheseacow
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Posts: 35
Re: Lii F-15 Open Baffles
Reply #2 - 12/21/21 at 00:28:00
 
Indeed, I used (9)-2x4x8’, which at local prices is about $50. Still not bad… but I had 6 usable boards laying around so I only had to buy 3.
I originally just threw them together to see how the speakers sounded when they arrived but dang, I don’t see or hear a reason to build nicer baffles.
It’s interesting that the plywood shelves in the background must work like a trap or something because these things actually sound better closer to the shelves rather than pulled out several feet like my planars.
Again, I can’t wait to hear them in a proper space once they are broken in.
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Archie
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Re: Lii F-15 Open Baffles
Reply #3 - 12/21/21 at 00:37:05
 
In my space too they don't seem to suffer much from being close to the back wall.
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ZLC
Technics 1200G TT w/ Ortofon Jubilee MC cart
ZMC1
ZP3 (25th A Mods)
ZR2 (25th A Mods)
CSP3 (25th A mods)
ZMA (25th A mods)
Homemade Big Betsy Speakers (F15s)
Silver Cabling
DIY Isolation platforms under amps & TT.
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Shomei’a
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Re: Lii F-15 Open Baffles
Reply #4 - 01/26/22 at 19:44:53
 
Very nice.

Have you been able to compare the sound to hardwood baffles?  Total thickness is 1.5 inches?
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Mannytheseacow
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Re: Lii F-15 Open Baffles
Reply #5 - 01/26/22 at 19:59:47
 
My understanding is that a dense hardwood would be much better, but I have not had an opportunity to compare.  My impression is that pine or fir still outcompetes anything in this price range.

Indeed, 1.5 inches thick.
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Shomei’a
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Re: Lii F-15 Open Baffles
Reply #6 - 01/26/22 at 21:07:05
 
Would love to hear a recording, especially with voice, despite the limitations..
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HockessinKid
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Re: Lii F-15 Open Baffles
Reply #7 - 01/26/22 at 23:17:59
 
Shomei'a,

If you go to the Decware products starting page, click on speakers, and scroll down the page you'll see two Zen Master open baffle products. If you click on one of the baffles, you'll find detailed information about the speaker design and hardwood offerings.

If you want to get a sense of the sound quality, scroll down toward the bottom of the product listing. Steve was kind enough to post videos w/ high quality microphones to capture the sound of several different types of music. These recordings are designed to be listened with headphones. So you can use your smart phone or computer headphone jack to listen, as long as you have IEM's or headphones.

This will give you a fairly good sense of how the Li Audio F15 drivers in the open baffle speakers sound.

HK
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Nottingham Interspace TT w/ Dynavector 20x2 LO cart + Modwright PH 9.0X phono OR Modwright modded Cambridge CNX V2 > CSP3-25th pre > ZMA-25th amp > PI Audio UberBUSS > Omega SAHO XRS or Caintuck Audio Lii15 Magnum speakers > Snake River Audio & ZenWave cables.
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Shomei’a
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Re: Lii F-15 Open Baffles
Reply #8 - 01/26/22 at 23:29:29
 
Thanks.  I' a scientist and I'm thinking systematically about the properties of baffle construction and how the speakers sound. Seems like there is much more to explore on this topic.
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jec3504
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Re: Lii F-15 Open Baffles
Reply #9 - 01/29/22 at 04:38:27
 
Fell down another rabbit hole. Put some F15s into a cut in half butch block table top. 36 x 25 routed a hole 2" above centerline. Made a plinth from scrap wood. Wow it's going be hard to get out of this hole.
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Archie
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Re: Lii F-15 Open Baffles
Reply #10 - 01/29/22 at 07:15:25
 
Pictures please!
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ZLC
Technics 1200G TT w/ Ortofon Jubilee MC cart
ZMC1
ZP3 (25th A Mods)
ZR2 (25th A Mods)
CSP3 (25th A mods)
ZMA (25th A mods)
Homemade Big Betsy Speakers (F15s)
Silver Cabling
DIY Isolation platforms under amps & TT.
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jec3504
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Posts: 186
Re: Lii F-15 Open Baffles
Reply #11 - 01/29/22 at 13:55:51
 
https://ibb.co/6sX2cCd [img][/img]


Been moving them around a lot. Should have the speakers broken in by the time my UFO2 gets here. Been cold here in the north. Have some ideas for them when it warms up.
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jec3504
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Re: Lii F-15 Open Baffles
Reply #12 - 01/29/22 at 14:32:26
 
https://ibb.co/RNyn815 [img][/img]

Put a couple of dowels into some scrap glued and screwed them together. All in for $115 + the speakers.
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Donnie
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Re: Lii F-15 Open Baffles
Reply #13 - 01/29/22 at 15:04:03
 




Put the image address between the brackets [img]  xxxxx [img}
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Owner of the infamous RED TORII and Dan the Redheaded Amp
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jec3504
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Posts: 186
Re: Lii F-15 Open Baffles
Reply #14 - 01/29/22 at 15:11:42
 
Thanks Donnie
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Mannytheseacow
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Re: Lii F-15 Open Baffles
Reply #15 - 01/29/22 at 15:17:22
 
Very nice! The F15s are an amazing value.
If you get to a point where you cut yours into ovals, those cutoffs make sexy legs for the baffle. I just glued and clamped them on and it is a nice sturdy joint.
More importantly, how do yours sound? Mine are so fun to listen to. Almost addictive. On jazz and acoustic they are just alive. And even with rock they jam in a way that many audiophile speakers can’t. One area my F15s are challenged is with Lisa Hannigan her voice sounds rather shouty on the Liis where it is silky smooth on my Magnepans. It could be the lack of density with my pine baffles or maybe the room. Let us know how yours sound.
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jec3504
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Re: Lii F-15 Open Baffles
Reply #16 - 01/29/22 at 18:20:07
 
Mannytheseacow, Thanks.  Built these to try out the F15's . Wanted to order some Caintucks. Figured I'd throw these together and see if I even like the f-15s. Right out of the gate they sounded very good. Been listening to all kinds of genres of music and they are performing really strong.

Started listening yesterday so they are fresh. Absolutely Impressive! Super glad I found this forum. New at this hifi hobby. I'm sure when they break in it will get even better.

One thing I found out so far. I Put some scrap under them to tilt them up. The mid and highs fell apart a little got blurry. They like laying on the ground flat and true. Sounds solid like that.  Been moving them around a lot. Notice the change in sound right away with that scrap under them. LOL

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Archie
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Re: Lii F-15 Open Baffles
Reply #17 - 01/29/22 at 18:57:15
 
Interesting about the tilt.  With mine, I was getting a bit stale with the sound but tilting seemed to bring it all back to life -- scale and presence.  I have the more "traditional" build though.
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ZLC
Technics 1200G TT w/ Ortofon Jubilee MC cart
ZMC1
ZP3 (25th A Mods)
ZR2 (25th A Mods)
CSP3 (25th A mods)
ZMA (25th A mods)
Homemade Big Betsy Speakers (F15s)
Silver Cabling
DIY Isolation platforms under amps & TT.
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jec3504
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Posts: 186
Re: Lii F-15 Open Baffles
Reply #18 - 01/29/22 at 20:47:09
 
Archie, Don't think the change was from the tilt. More like A mechanical defect. Would like to have them laid back a little.
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Archie
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Re: Lii F-15 Open Baffles
Reply #19 - 01/29/22 at 22:34:35
 
Mine are build like a brick shit-house.  I picked that up from Steve's.  They also weight over 100 lbs each with the extra 25 lbs of lead ballast.   Smiley
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ZLC
Technics 1200G TT w/ Ortofon Jubilee MC cart
ZMC1
ZP3 (25th A Mods)
ZR2 (25th A Mods)
CSP3 (25th A mods)
ZMA (25th A mods)
Homemade Big Betsy Speakers (F15s)
Silver Cabling
DIY Isolation platforms under amps & TT.
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jec3504
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Posts: 186
Re: Lii F-15 Open Baffles
Reply #20 - 01/29/22 at 23:00:27
 
Thanks Archie,

Your baffles are pretty impressive seen pictures of them in another thread. Liked the box filled with lead shot.
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Archie
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Re: Lii F-15 Open Baffles
Reply #21 - 01/29/22 at 23:19:13
 
I built my base like I did because I don't like the aesthetics of Steve's design but then he claimed that the solid block in back was needed to stiffen the bottom edge of the baffle.  Taking his word for that I built the boxes as stiffeners but figured it might be cool to use them for ballast too.
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IMG_2739a.jpg

ZLC
Technics 1200G TT w/ Ortofon Jubilee MC cart
ZMC1
ZP3 (25th A Mods)
ZR2 (25th A Mods)
CSP3 (25th A mods)
ZMA (25th A mods)
Homemade Big Betsy Speakers (F15s)
Silver Cabling
DIY Isolation platforms under amps & TT.
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