Spawn of Frugel-Horn

[thoburnse40]

I would check to make sure they did not develop any internal leaks suring the curving process.

These should be damped as bass reflexes are -- at least a layer of daming on 3 of the walls, and little or none in the middle.

The 6 & 8" mods are pretty much nailed down. R&D drivers are all in the UK for further independent evaluation. I will be doing up a set of FE166 for Ron & likely a set for Clark.

At the moment the FE167 is the top of the queue of candidates for an expansion of the range, but some ideas for the BOFU popped into my head just last night on those.

dave

I made sure the CC had no leaks. I do have a leak between the back and the right side of the upper vent. I plan to fill it soon.

Pardon my newbie questions, but can you recommend a damping method/material. I have some rubber carpet padding that is about 1/2 inch thick. Would that do?

Thanks again.

 

[chrisb]

I made sure the CC had no leaks. I do have a leak between the back and the right side of the upper vent. I plan to fill it soon.

Pardon my newbie questions, but can you recommend a damping method/material. I have some rubber carpet padding that is about 1/2 inch thick. Would that do?

Thanks again.

our favorite wall damping material is 1/2" or 3/4" cotton felt (light yellowish color) recycled from vintage BR boxes - followed by gray upholstery felt padding.

closed cell natural rubber or synthetic foams haven't worked as well for us in these applications

 

[planet10]

How would that differ from blind embossing the paper on the cone?

I understand it should work fine, and if the spots could get embedded in the cone at the factory it would remove some significant labour from the cost of an EnABLed cone.

dave

 

[thoburnse40]

Iris photo opt

Try using Irfanview for manipulating your saved picutres. It is probably the most useful (and easy to use) imaging program outside of Photoshop and costs an infinite amount less (Free!!!). Amazingly enough, you can get it at http://www.irfanview.com/ .

Later,
Don

I loaded Ifranview. Lets see if I am successful this time.

 

[Fast1one]

Just had a thought, I was wondering if there were any benefits to adding a curved front to the Half Chang...?

 

[ronc]

Only if you wanted to correct the aspect ratio.

ron

 

[thoburnse40]

our favorite wall damping material is 1/2" or 3/4" cotton felt (light yellowish color) recycled from vintage BR boxes - followed by gray upholstery felt padding.

closed cell natural rubber or synthetic foams haven't worked as well for us in these applications

Well, I can't believe how hard it is to find cotton felt, even online. Will wool do? My wife, who is a knitter, suggested I buy some old wool sweaters at the thrift store and 'felt' them (very hot water in the washing machine). She says it can then be cut to fit and won't un-ravel. Any thoughts? Anybody have a source for cotton felt in the U.S.?

 

[Phil Townsend]

Cotton felt

The lint drawer in your dryer???

 

[planet10]

Well, I can't believe how hard it is to find cotton felt, even online. Will wool do? My wife, who is a knitter, suggested I buy some old wool sweaters at the thrift store and 'felt' them (very hot water in the washing machine). She says it can then be cut to fit and won't un-ravel. Any thoughts? Anybody have a source for cotton felt in the U.S.?

Wool felt works fine. aesthetically wool felt is nicer, but cotton felt is easier to work with. We still have a supply of vintage sorced cotton-felt, but that will run out soon and we'll then have to find a source (or move to wool felt -- it i expect is easier to source). What is important is that it is a natural fibre.

the idea of converting dryer lint into diy cotton felt is an intriguing one.

dave

 

[Phil Townsend]

Feastrex Box Photos...

Quick and dirty build

 

[Phil Townsend]

Feastrex Box

No varnish

 

[Phil Townsend]

Feastrex Box

Last pix

 

[Phil Townsend]

Opps wrong palce for this post

sorry guys

 

[Phil Townsend]

LS3/5a build and size

Its a small box , the LS3/5a, So I guess if I were going to duplicate the build quality, I would need to add extra side panels and tops plus a bunch of internal bracing. The Rodgers are built like the proverbial brick sxxx house.

Then I could drill and countersink the screw holes and add a foam gasket all around.

But until we see the Feastrex numbers from Chris...this box is a good start.

 

[thoburnse40]

the idea of converting dryer lint into diy cotton felt is an intriguing one.

dave

Actually, 'felting' is a common knitter's trick. My wife has a knitting store and teaches the technique. I've seen felted slippers, hand bags, animals and such. She has a web site:

http://www.theyarngarden.com/

search for felting.

I am going to buy some old wool sweaters from our local Good Will and give it a try.

 

[thoburnse40]

Re: Cotton felt

The lint drawer in your dryer???

No. 'Felting' is different. See my previous post.

 

[Phil Townsend]

Felting a sweater

My wife (Fiber arts person) says to cut the sweater into big squares then wash them in very hot water.

You might find me lurking in the dark corners of local laundry mats begging for lint.

 

[loninappleton]

Re: Felting a sweater

My wife (Fiber arts person) says to cut the sweater into big squares then wash them in very hot water.

You might find me lurking in the dark corners of local laundry mats begging for lint.

It's called adaptive reuse.

I've seen them pull the big blanket of lint out of the machines. Kindly put, it's not going to be "all wool". Dog hair and other bits.


I've got an old sweater from about 1975 but I'm still wearing it.

 

[thoburnse40]

I am going to buy some old wool sweaters from our local Good Will and give it a try.

OK. bought a few wool sweaters at Good Will. Here is the before shot with my 167 driver for scale.

 

[thoburnse40]

And here is the result after two trips through the hot cycle with the same driver

It is less than half as big, but twice as thick. Kind of delicate. Wife says it did not 'felt' as well as her wool yarn projects, but not half bad.