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Old 31st March 2011, 06:46 PM   #11
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I had issues with rising response from my CHR-70 but sorted it out with a simple series inductor and resistor, also used for baffle step corection. I personaly am a fan of rolled off extreme trebble, almost all recordings have the levels set wrong >15KHz as the recording technician has damaged hearing.

see:
Mark Audio CHR-70 Application Thread
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Old 1st April 2011, 12:44 PM   #12
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Originally Posted by malibujeff View Post
The Markaudio Alpair-12's are on sale at Madisound for $119.

https://www.madisound.com/store/prod...oducts_id=8863
Thanks for the tip! I have a pair of gold ones on the way. Now I have to decide which plan to go with and finish up projects around the house.
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Old 1st April 2011, 03:26 PM   #13
chrisb is online now chrisb  Canada
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Originally Posted by lostthumb View Post
Thanks for the tip! I have a pair of gold ones on the way. Now I have to decide which plan to go with and finish up projects around the house.

Include the Pensil on any short list of potential designs for this driver - darn simple build, just remember to build with (at least a portion of) removable back panel. IMO crossed bracing should be considered essential on the larger enclosures in this series. .
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Old 1st April 2011, 07:12 PM   #14
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These might be just the ticket I've been looking for to get me doing something again. Need a nice, simple build with good sound for tv / movie / music use. Just don't have the time to fully develop the high-efficiency design I'm wanting to explore (that I started about 2 years ago, ugh).

Are those using this driver happy with it's abilities? Not likely to use a higher volumes. Are people pretty happy with the overall frequency response, including the lower end? Feel the need for a sub?

Thanks much, have read some great things about the Markaudio drivers here.
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Old 2nd April 2011, 02:47 AM   #15
goneill is offline goneill  New Zealand
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Originally Posted by one1speed View Post
Are those using this driver happy with it's abilities? Not likely to use a higher volumes. Are people pretty happy with the overall frequency response, including the lower end? Feel the need for a sub?
I have the Pencil 12 speakers and am more than happy. They are the main speakers and I have an A12 for the centre and dual A7s for the rears. They are run by a tube amp with transformer volume control for music, and a cheapish Denon receiver for HT.

I certainly don't feel the need for a sub in my current room (about 7m by 5m) as the Pencil design seems to make the most of the drivers. I used to use B&W Matrix 802 speakers and prefer the Pencils so it's not like I'm used to bookshelf type sound. There is also a "super-Pencil" design that extends the bass further but I haven't heard them. Also, I haven't heard any Pencils with internal bracing so I can't say if that is an improvment or not, but I will say that the simple build version of the Pencils is very good.

Honestly, I really can't understand the comments earlier in this thread about the A12 sounding "tinny", let alone "unlistenable". I have heard them in various cabinets (I'm lucky as I currently live in Hong Kong so get to hear some of Mark's test systems) and never would I have called them "tinny". I would say that the Pencil design makes them sound more open than a closed or ported cabinet but they have always sounded musical to me.

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Old 2nd April 2011, 12:18 PM   #16
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I find the shrill or harsh high's are very much related to the recording. Never a problem while listening to the FM or the phonograph. Certain cd's are fatiguing and for that I'd like to be able to throw a switch on the back of the cabinet. Installing a filter or using cat 5 cables would dampen a lot of content that didn't need it. I'm listening to EL70's BTW.

Any ideas on what value of resistor to use to mimic the dampening of cat 5 cables?
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Old 3rd April 2011, 02:42 AM   #17
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Originally Posted by chrisb View Post
Include the Pensil on any short list of potential designs for this driver - darn simple build, just remember to build with (at least a portion of) removable back panel. IMO crossed bracing should be considered essential on the larger enclosures in this series. .
The Super Pensil was the plan I was leaning towards. It seems like a fun build and ranks high on WAF.
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Old 3rd April 2011, 02:09 PM   #18
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Originally Posted by goneill View Post
I have the Pencil 12 speakers and am more than happy. They are the main speakers and I have an A12 for the centre and dual A7s for the rears. They are run by a tube amp with transformer volume control for music, and a cheapish Denon receiver for HT.
Thanks for the reply, great food for thought. Do appreciate it.
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Old 3rd April 2011, 06:54 PM   #19
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I've been running A12s in the Studio Reference Monitor cabinets. for a few weeks now. I don't have other enclosure references with which to compare. I've been very happy with them so far. If I had the money to spare, I'd buy some more, that price sounds great.

I was going to build the Super Pensils, but as my end goal are Clairtone style globes, I felt that it would be an unfair reference.

What I will say, is that they are very revealing of deficiencies upstream. I am certain that my amp sucks.
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Old 3rd April 2011, 07:48 PM   #20
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Originally Posted by Douglas Ingram View Post
I've been running A12s in the Studio Reference Monitor cabinets. for a few weeks now. I don't have other enclosure references with which to compare. I've been very happy with them so far. If I had the money to spare, I'd buy some more, that price sounds great.

I was going to build the Super Pensils, but as my end goal are Clairtone style globes, I felt that it would be an unfair reference.

What I will say, is that they are very revealing of deficiencies upstream. I am certain that my amp sucks.
Any idea how much is the USPS shipping to Canada?
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