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Old 29th April 2011, 04:14 PM   #1511
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Quote:
Originally Posted by nightanole View Post

165k BiB's with planet10 proto's.
Good to see them in use. How do they sound?

dave
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Old 29th April 2011, 05:07 PM   #1512
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Good to see them in use. How do they sound?

dave

yes, what looks like extra height and suspended acoustic ceiling give pause for thought
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Old 29th April 2011, 09:14 PM   #1513
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Well right now they are hooked up to a el84 pp amp with a really bad transformer so no bass below 100hz.

They do tell you if you are playing 128kbs mp3's. Ill mess with them more once i get one of 2 amps up and running.

I take it the above 8ft ceiling and acoustic ceiling is going to limit my bass? The other option is to flip them upsidedown and lift them off the floor a half foot, but the floor is rubberized multilayer esd carpet.
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Old 29th April 2011, 09:32 PM   #1514
chrisb is offline chrisb  Canada
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Quote:
Originally Posted by nightanole View Post
Well right now they are hooked up to a el84 pp amp with a really bad transformer so no bass below 100hz.

They do tell you if you are playing 128kbs mp3's.
speakers with far less resolution that these would do that

Quote:

Ill mess with them more once i get one of 2 amps up and running.


I take it the above 8ft ceiling and acoustic ceiling is going to limit my bass? The other option is to flip them upsidedown and lift them off the floor a half foot, but the floor is rubberized multilayer esd carpet.
It's just my thinking out loud, but I wouldn't be surprised. The BIB is essentially a folded horn intended to be boundary loaded at the mouth, and generally speaking the ceiling - provided it's rigid enough - would be close enough for this to work well for a 6 -7ft tall speaker

I'd be inclined to think that unless structurally reinforced and mass loaded, it could flex enough to act as rather a bit of a bass trap, and that if not the distance to hard surface above (whether concrete slab or joisted wooden floor) would be great enough to reduce coupling.

Inverting and slightly raising the cabinets from the floor would certainly answer that question, but it could result in the driver height being too low.
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Old 1st May 2011, 01:19 PM   #1515
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Well not to side track the thread, but how could i correct these if all the bass gets stuck in the ceiling or travels to the tool crib on the other side of the movable walls?

This is like the 2nd largest bib cab, and a lot of them are in the 40-60inch tall range. So i was under the impression i needed 1-2ft between the mouth and the ceiling. If i am suppose to have it loaded at the mouth, how do i do that with a mouth parallel with the ceiling/floor? Im up for flipping it over and having it shoot at the ground like the metronome's, but i need to know how to design the perch. aka should the rear be blocked off or should all 4 sides just be half moons, and how much to lift off the floor. Driver height shouldnt be a problem considering the center of the speaker is 3ft from the mouth. right now the "tweeter" is well above anyones sitting ear anyway.

Last edited by nightanole; 1st May 2011 at 01:21 PM.
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Old 2nd May 2011, 05:40 AM   #1516
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Bernie (doesn't post here) came by today with his Mar-Ken12 to get my help detailing them and wiring in the drivers. This is the 1st set i've heard (Chris has had our (unfinished) build at his house, but with stock drivers (they are now veneered awaiting time in the spray booth). Bernie's build is of solid Douglas Fir with some dark exotic or semi-exotic vent spacers (the fir used to be his floor). The aged "orangish" colour of the fir goes really well with the copper drivers.

Even with few hours on them, i get the impression that these do some things (imaging) much better than the Classic GR Mar-Ken12 that i've listened to extensively.

Click the image to open in full size.

This is the 1st of the trapezoidal miniOnken (irregular octagons if you count the champhers) -- the configuration will spread thriout the line. The tapered shape was the solution to fitting the wide bezel A12 into the small volume it wanted (same as A10.2, FE127e, and EL70 (A10.2 will also go nto a larger version))

dave
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Old 2nd May 2011, 05:51 AM   #1517
TerryO is online now TerryO  United States
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Quote:
Originally Posted by planet10 View Post
Bernie (doesn't post here) came by today with his Mar-Ken12 to get my help detailing them and wiring in the drivers. This is the 1st set i've heard (Chris has had our (unfinished) build at his house, but with stock drivers (they are now veneered awaiting time in the spray booth). Bernie's build is of solid Douglas Fir with some dark exotic or semi-exotic vent spacers (the fir used to be his floor). The aged "orangish" colour of the fir goes really well with the copper drivers.

Even with few hours on them, i get the impression that these do some things (imaging) much better than the Classic GR Mar-Ken12 that i've listened to extensively.

Click the image to open in full size.

This is the 1st of the trapezoidal miniOnken (irregular octagons if you count the champhers) -- the configuration will spread thriout the line. The tapered shape was the solution to fitting the wide bezel A12 into the small volume it wanted (same as A10.2, FE127e, and EL70 (A10.2 will also go nto a larger version))

dave
dave,

Those are very nice looking, Bernie's to be commended for his excellent work.

Now, with just a highlight or two using the incomparable APTS treatment....

Best Regards,
TerryO
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Old 2nd May 2011, 05:54 AM   #1518
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Wow, they are quite lovely.

jeff
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Old 2nd May 2011, 02:25 PM   #1519
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Well done, Bernie!
They look fabulous (it's an understanding wife who allows the floor to be sacrificed for a a pair of speakers!!)
Looking forward to the plans being available for the 10.2's.
Best, don
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Old 2nd May 2011, 06:55 PM   #1520
chrisb is offline chrisb  Canada
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simply gorgeous
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