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Old 15th November 2012, 08:35 PM   #751
mor2bz is offline mor2bz  United States
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1st section, the smallest v shaped one behind the driver was not even stuffed.
I heard it , and you called it. Progress..............thanks
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Old 15th November 2012, 08:46 PM   #752
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Quote:
Originally Posted by mor2bz View Post
1st section, the smallest v shaped one behind the driver was not even stuffed.
That very much needs careful stuffing. And very difficult to do after the 2nd side goes on.

dave
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Old 15th November 2012, 08:56 PM   #753
chrisb is offline chrisb  Canada
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Quote:
Originally Posted by mor2bz View Post
1st section, the smallest v shaped one behind the driver was not even stuffed.
I heard it , and you called it. Progress..............thanks

fairly well detailed on page 13 of the full plan set

http://www.p10hifi.net/FH/downloads/...1v0-250212.pdf

I've chatted with Dave about trying to fix the broken link for the Sketch-up model, including revision to show damping scheme - an orbital 3D drawing is worth a bazillion of either of our words.
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Old 20th November 2012, 01:45 AM   #754
tlarwa is offline tlarwa  United States
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Default CHP 70 Impedance

Chris,

I sent you an email on this too. My tube amp has 4 and 8 ohm speaker taps. Which should I use to drive the enabled CHP 70 drivers I bought from you? I honesty don't know if they're 4 or 8 ohm.

Tom
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Old 20th November 2012, 02:37 AM   #755
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they are 8 ohms. Standard rule applies, try both and use the one that sounds best.

dave
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Old 27th January 2013, 02:51 PM   #756
RT3 is offline RT3  United States
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Quote:
Originally Posted by chrisb View Post
fairly well detailed on page 13 of the full plan set

http://www.p10hifi.net/FH/downloads/...1v0-250212.pdf

I've chatted with Dave about trying to fix the broken link for the Sketch-up model, including revision to show damping scheme - an orbital 3D drawing is worth a bazillion of either of our words.
Looking at page 13 and still need some help. I am finishing up my FH with Fostex Fe126en and have a question to the amount of poly in each "zone".

Am I to put 30g of poly in each zone (green and orange) for a total of 60g? OR spread the 30g out over both zones? if it is the later does that mean that each zone should have 15g?

lastly, if the 30g is wrong please advise to the right amount.

Thanks for the help in advance. Can't wait to hear these things today.
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Old 6th February 2013, 05:42 AM   #757
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Default Frugel-horn and sub

Ok, bit of a strange question.

Having built a pair of FH Mk3 and very much enjoying them my only issue is not being able to take them a little louder without "hitting the stops". So looking at adding a sub and powering with one of these amps Hifimediy DDX320v2 2.1 Digital Amplifier

I am planning to build the sub as a sealed box into an existing window seat. There are 2 options as to where the driver is situated but my favoured one would have the 15" sub driver in the wall behind one of the FH cabinets (thus sub driver facing the rear of the FH). So question is, how would this effect the sound of the FH given proximity of the horn mouth to the sub driver? I am thinking not too great an effect but would be interested in peoples thoughts.

Cheers,
Chris
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Old 6th February 2013, 05:58 AM   #758
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Looking at page 13 and still need some help. I am finishing up my FH with Fostex Fe126en and have a question to the amount of poly in each "zone".

Am I to put 30g of poly in each zone (green and orange) for a total of 60g? OR spread the 30g out over both zones? if it is the later does that mean that each zone should have 15g?
In all builds you put 30 g in thepoint to the top of the box. Depending on the driver (toom, taste) you put up to 40g below the driver in the front fold. FE126 usually needs none below the driver.

dave
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Old 6th February 2013, 06:12 AM   #759
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So question is, how would this effect the sound of the FH given proximity of the horn mouth to the sub driver?
I wouldn't face the woofer driver right at the back of the horn.

Optimal sonic placement of the woofer is not often the perfect spot for your decor.

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Old 20th February 2013, 06:13 AM   #760
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Default FH3 stuffing

Quote:
Originally Posted by planet10 View Post
That very much needs careful stuffing. And very difficult to do after the 2nd side goes on.

dave
Hi Dave please help, I have attached some pics of my attempt to stuffing the FH3's. You mention carefull stuffing...does the stuffing in the V look OK (see pic1) or do I need to fluff it more. I found it quite difficult to not get those clumps of stuffing. Also, the felt I'm using is not quite as thick as 12mm, prob 8-10mm (see pic2), is this OK or should I put another layer over the existing?

BTW - I have 30g in the V and 20g in the throat as you see it. I also stuck valcro down the side panels of the throat (see pic3) to prevent the stuffing from falling to the bottom.

Thanks!
Attached Images
File Type: jpg Johannesburg-20130219-00037.jpg (495.8 KB, 259 views)
File Type: jpg Johannesburg-20130219-00033.jpg (500.6 KB, 249 views)
File Type: jpg Johannesburg-20130219-00026.jpg (645.3 KB, 240 views)
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