lowther to fostex cabs - can it be done?

woodturner-fran · 10th September 2008, 08:08 PM

Hi all,

I have been offered some free lowther acousta cabinets minus drivers (I think its the acousta 115 see here). They originally took the PM6a driver, but I think also work OK with the DX3.

I don't have either of those, but I do have some FE206e. Specs are reasonably similar except for VAS (54L for FE206 and 15L for DX3 according to their sites).

So will it work and if it shouldn't what should I expect to hear?

Fran

Bob Brines · 11th September 2008, 03:19 AM

The real Vas of the DX3 is in the low 40's. Published specs of Lowther drivers are pure fiction. However, the 206 is close, but expect to play with the compression chamber volume. But then, I'm not a BLH expert.

Bob

Scottmoose · 11th September 2008, 08:24 AM

As you're not paying for them, nothing to stop you from playing with them -the actual 206 & Lowther specs are reasonably close, as Bob notes.

Just don't expect them to sound great -the Accousta range were never particularly good examples of BLH design. They will give you an introduction to hybrid horns though.

woodturner-fran · 11th September 2008, 09:30 AM

True!

I will give it a go anyway and report back here.

Any suggestions for an effective way of modding the compression chamber?

Fran

Scottmoose · 11th September 2008, 10:31 AM

Damping?

Small sealed bags of sand or wooden blocks are usually favourite to reduce Vb. Increasing it would be a little trickier though...

Graham Maynard · 11th September 2008, 07:17 PM

Another method here -

Replikon, it really works.

Cheers ...... Graham.

thetubeguy1954 · 11th September 2008, 07:32 PM

I'm curious as to what you guys think of using these 4" - 7" poly-foam balls as a means of damping? I like the idea of the ease of usage they'd provide. Any comments or suggestions?

http://www.poof-slinky.com/catalog/c...1&action=prov&

Thetubeguy1954

Scottmoose · 11th September 2008, 07:39 PM

Whatever works. I see no reason why they shouldn't be useful for some apps.

thetubeguy1954 · 11th September 2008, 08:13 PM

Thanks Scott for the input. I love the DIY idea but, sadly I'm a clutz when it comes to building anything out of wood. Hence I'm always looking for the absolutely easiest way to do thing!

Thetubeguy1954

woodturner-fran · 17th October 2008, 10:58 PM

thread from the dead...

Well I picked up the lowther cabs tonight so hope to have a play with them in the coming week or so. Wouldn't have said the build quality was all that great. It will be interesting though to see how the sound out though.

Fran

10th September 2008, 08:08 PM	#1
woodturner-fran diyAudio Member Join Date: Jan 2006 Location: Ireland	lowther to fostex cabs - can it be done? Hi all, I have been offered some free lowther acousta cabinets minus drivers (I think its the acousta 115 see here). They originally took the PM6a driver, but I think also work OK with the DX3. I don't have either of those, but I do have some FE206e. Specs are reasonably similar except for VAS (54L for FE206 and 15L for DX3 according to their sites). So will it work and if it shouldn't what should I expect to hear? Fran

11th September 2008, 07:17 PM	#6
Graham Maynard diyAudio Member Join Date: Dec 2003 Location: UK	Another method here - Replikon, it really works. Cheers ...... Graham. __________________ http://www.gmweb1.net/ and http://www.gmweb2.net/

11th September 2008, 07:32 PM	#7
thetubeguy1954 diyAudio Member Join Date: Apr 2004 Location: Orlando, Florida. USA	Another Damping Option? I'm curious as to what you guys think of using these 4" - 7" poly-foam balls as a means of damping? I like the idea of the ease of usage they'd provide. Any comments or suggestions? http://www.poof-slinky.com/catalog/c...1&action=prov& Thetubeguy1954 __________________ Central Florida Audio Society--SETriodes Group--Space Coast Audio Society---Full-range/Wide-range Drivers---Front & Back-Loaded Horns.

11th September 2008, 08:13 PM	#9
thetubeguy1954 diyAudio Member Join Date: Apr 2004 Location: Orlando, Florida. USA	Thanks Scott for the input. I love the DIY idea but, sadly I'm a clutz when it comes to building anything out of wood. Hence I'm always looking for the absolutely easiest way to do thing! Thetubeguy1954 __________________ Central Florida Audio Society--SETriodes Group--Space Coast Audio Society---Full-range/Wide-range Drivers---Front & Back-Loaded Horns.

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11th September 2008, 03:19 AM	#2
Bob Brines diyAudio Member Join Date: Jan 2003 Location: Hot Spring Village AR	The real Vas of the DX3 is in the low 40's. Published specs of Lowther drivers are pure fiction. However, the 206 is close, but expect to play with the compression chamber volume. But then, I'm not a BLH expert. Bob

11th September 2008, 08:24 AM	#3
Scottmoose diyAudio Member Join Date: Mar 2005 Location: UK	As you're not paying for them, nothing to stop you from playing with them -the actual 206 & Lowther specs are reasonably close, as Bob notes. Just don't expect them to sound great -the Accousta range were never particularly good examples of BLH design. They will give you an introduction to hybrid horns though.

11th September 2008, 09:30 AM	#4
woodturner-fran diyAudio Member Join Date: Jan 2006 Location: Ireland	True! I will give it a go anyway and report back here. Any suggestions for an effective way of modding the compression chamber? Fran

11th September 2008, 10:31 AM	#5
Scottmoose diyAudio Member Join Date: Mar 2005 Location: UK	Damping? Small sealed bags of sand or wooden blocks are usually favourite to reduce Vb. Increasing it would be a little trickier though...

11th September 2008, 07:39 PM	#8
Scottmoose diyAudio Member Join Date: Mar 2005 Location: UK	Whatever works. I see no reason why they shouldn't be useful for some apps.

17th October 2008, 10:58 PM	#10
woodturner-fran diyAudio Member Join Date: Jan 2006 Location: Ireland	thread from the dead... Well I picked up the lowther cabs tonight so hope to have a play with them in the coming week or so. Wouldn't have said the build quality was all that great. It will be interesting though to see how the sound out though. Fran

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