Bonjour de Montréal - Budget Dayton DIY setup...

Psychobiker · 15th April 2010, 07:43 PM

Woe, oh woe.

Employment is taking far longer to find in Montréal than I first envisaged, and to add to it - we've shifted our long-term plans towards Australia.

So, this leaves me in a pickle. My valve amp and Mission 701s are sitting on a pallet in my fiancée's mother's garage. 6000 miles away.
Growing more and more annoyed with the (lack of) sound from my laptop, I think it has come to crunch time. Build something that could quite easily be simply given away when we leave.

Cue the discovery of Solen Electronique, within moderate train-distance from Montréal. After searching on here, while no stellar performer, the Dayton DC160 seems to be a fairly good bet, and I have a set of Visaton dome tweeters I snagged a while back in Berlin here, so I'm going to harangue at it. I figure it'll be hard to go wrong for less than CA$100, in a properly designed ported/transmission line enclosure.

Those who have played about with the DC160, please share your thoughts?

L

PeteMcK · 16th April 2010, 01:03 AM

Classix (undefinition)

re: 'we've shifted our long-term plans towards Australia' - you'll need to bring your own water...

Psychobiker · 16th April 2010, 11:16 AM

Desalination isn't an option then?

Psychobiker · 16th April 2010, 12:01 PM

Can't edit posts - I have no TL modelling software as yet, but I might pick up a copy of Soundeasy V16, and give a shot at modelling the DC160s in a transmission line.

pkitt · 16th April 2010, 02:44 PM

There are three models, DC160-8, DC160S-8 and DC160S-4. Which one are you hoping to use? I'd be happy to model a TL for you but I need to know the specific driver and have an idea of cabinet size and shape you're after.
Paul

Quote:

Originally Posted by Psychobiker

Can't edit posts - I have no TL modelling software as yet, but I might pick up a copy of Soundeasy V16, and give a shot at modelling the DC160s in a transmission line.

Psychobiker · 16th April 2010, 02:52 PM

Paul,

Which software are you modelling it with? I'm not scared of attacking something myself and am well versed in filter design - I'm increasingly looking at the Hi-Vi M5A, which, as a magnesium coned speaker, I'll have to notch filter at about 2.5-3k - but they actually go up there quite nicely. I have a pair of Visaton DTW72 tweeters that have been gathering dust for longer than is good...and they need crossing at 2500-ish...so all would lean well to crossing there with the M5As.

With a Qts of .34, the M5A's not actually a bad choice for a TL. I think I'll go for 1/3L tuning, which'll bring the response down into no-need-for-a-sub territory.

T/S follow:

http://www.madisound.com/catalog/PDF/m5a.pdf

pkitt · 16th April 2010, 02:57 PM

I do all my TL modeling with Martin King's MathCad-based software (worksheets).

So, you're changing from one of the DC160 models to the M5A?

Quote:

Originally Posted by Psychobiker

Paul,

Which software are you modelling it with? I'm not scared of attacking something myself and am well versed in filter design - I'm increasingly looking at the Hi-Vi M5A, which, as a magnesium coned speaker, I'll have to notch filter at about 2.5-3k - but they actually go up there quite nicely. I have a pair of Visaton DTW72 tweeters that have been gathering dust for longer than is good...and they need crossing at 2500-ish...so all would lean well to crossing there with the M5As.

With a Qts of .34, the M5A's not actually a bad choice for a TL. I think I'll go for 1/3L tuning, which'll bring the response down into no-need-for-a-sub territory.

T/S follow:

http://www.madisound.com/catalog/PDF/m5a.pdf

Psychobiker · 16th April 2010, 02:59 PM

I am - for the ability to play a little higher, and thus cross my tweeter a bit lower.
I drool at MathCad, but as an unemployed EE, I must break out the pen and paper :'(, tried in vain to find an open-source equivalent.

pkitt · 16th April 2010, 03:23 PM

Well, Martin King has a link to the free version of MathCad on his site and you can "subscribe" to his Worksheets for $25 unless that's not possible with your lack of employment. If you tell me exactly what driver you want to use and give me some cabinet druthers, I'll gladly model a TL for you.
Paul

Quote:

Originally Posted by Psychobiker

I am - for the ability to play a little higher, and thus cross my tweeter a bit lower.
I drool at MathCad, but as an unemployed EE, I must break out the pen and paper :'(, tried in vain to find an open-source equivalent.

Psychobiker · 04:57 PM

Downloading that now, I was thinking CA$1000+ from my last poking with MathCad!

If you could model the M5A and a width (front baffle) of 25cm for the cabinet...that should do it. I think, about 100cm for 1/3L?

15th April 2010, 07:43 PM	#1
Psychobiker diyAudio Member Join Date: Jul 2005 Location: Montréal QC	Bonjour de Montréal - Budget Dayton DIY setup... Woe, oh woe. Employment is taking far longer to find in Montréal than I first envisaged, and to add to it - we've shifted our long-term plans towards Australia. So, this leaves me in a pickle. My valve amp and Mission 701s are sitting on a pallet in my fiancée's mother's garage. 6000 miles away. Growing more and more annoyed with the (lack of) sound from my laptop, I think it has come to crunch time. Build something that could quite easily be simply given away when we leave. Cue the discovery of Solen Electronique, within moderate train-distance from Montréal. After searching on here, while no stellar performer, the Dayton DC160 seems to be a fairly good bet, and I have a set of Visaton dome tweeters I snagged a while back in Berlin here, so I'm going to harangue at it. I figure it'll be hard to go wrong for less than CA$100, in a properly designed ported/transmission line enclosure. Those who have played about with the DC160, please share your thoughts? L

16th April 2010, 01:03 AM	#2
PeteMcK diyAudio Member Join Date: Feb 2002 Location: Sydney	Classix (undefinition) re: 'we've shifted our long-term plans towards Australia' - you'll need to bring your own water... __________________ ‘today… there lives alongside the twentieth century the tenth or thirteenth. A hundred million people use electricity and still believe in the magic power of signs and exorcisms” Trotsky

16th April 2010, 04:36 PM	#10
Psychobiker diyAudio Member Join Date: Jul 2005 Location: Montréal QC	Downloading that now, I was thinking CA$1000+ from my last poking with MathCad! If you could model the M5A and a width (front baffle) of 25cm for the cabinet...that should do it. I think, about 100cm for 1/3L? Last edited by Psychobiker; 16th April 2010 at 04:57 PM.

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16th April 2010, 11:16 AM	#3
Psychobiker diyAudio Member Join Date: Jul 2005 Location: Montréal QC	Desalination isn't an option then?

16th April 2010, 12:01 PM	#4
Psychobiker diyAudio Member Join Date: Jul 2005 Location: Montréal QC	Can't edit posts - I have no TL modelling software as yet, but I might pick up a copy of Soundeasy V16, and give a shot at modelling the DC160s in a transmission line.

16th April 2010, 02:52 PM	#6
Psychobiker diyAudio Member Join Date: Jul 2005 Location: Montréal QC	Paul, Which software are you modelling it with? I'm not scared of attacking something myself and am well versed in filter design - I'm increasingly looking at the Hi-Vi M5A, which, as a magnesium coned speaker, I'll have to notch filter at about 2.5-3k - but they actually go up there quite nicely. I have a pair of Visaton DTW72 tweeters that have been gathering dust for longer than is good...and they need crossing at 2500-ish...so all would lean well to crossing there with the M5As. With a Qts of .34, the M5A's not actually a bad choice for a TL. I think I'll go for 1/3L tuning, which'll bring the response down into no-need-for-a-sub territory. T/S follow: http://www.madisound.com/catalog/PDF/m5a.pdf

16th April 2010, 02:59 PM	#8
Psychobiker diyAudio Member Join Date: Jul 2005 Location: Montréal QC	I am - for the ability to play a little higher, and thus cross my tweeter a bit lower. I drool at MathCad, but as an unemployed EE, I must break out the pen and paper :'(, tried in vain to find an open-source equivalent.

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