Technology Student Wanting To Build Full Range System - Page 3

loninappleton · 9th September 2007, 09:23 PM

It's always fun to see someone new get involved in the single driver enthusiasm we share.

My suggestion is, depending on whether you need a demonstration project quickly or are looking for a home system, don't let the information overload get to you.

A good place to start is with a book called Speakerbuilding 201.
Yes 201. It gives the basics on how speakers are calibrated and how those calibrations apply to the software used in the designs.

For demonstration purposes and with what you've learned so far about how low power can handle big floor standing cabinets, the most recent wrinkle is using a digital audio converter directly from a laptop.

Minimalism in cost and design for excellent sound reproduction is my goal and what drives my enthusiasm for the hobby.

I've built the BIB.

Scottmoose · 9th September 2007, 09:25 PM

To do better than the Monacors, you'd really need to be doubling the budget & buy a pair of 6 1/2in Fostex drivers -the FE166E or FE167E, which go for ~£50 each. They're certainly worth the money in sonics, but I'd still be inclined to get the Monacors as it's your first project & the Fostex units need a larger cabinet. Remember you've got cabinet materials & an amplifier to buget for too.

planet10 · 9th September 2007, 10:42 PM

Quote:

Originally posted by Scottmoose
the FE166E or FE167E, which go for ~£50 each.

Hmmm... is that with VAT?

dave

planet10 · 9th September 2007, 10:43 PM

Quote:

Originally posted by Scottmoose
They're certainly worth the money in sonics

and at least a few dB more efficient...

dave

peterbrorsson · 10th September 2007, 12:05 AM

Quote:

Originally posted by Scottmoose
I'm not surprised the Naim had better grunt than the NAD. They both pump similar current (I assume the NAD is a 3020?) but Naim amps are renowned for their explosive bass. I'd be a bit put out if it turned out worse.

Well, actually it's a 7020 reciever and my wallet would be happy if it turned out worse, as you say

There are more differencies than the bass. Naim is worth the tag it comes with.

I was only curious as I've been looking at a Super T-amp for a while. My children must have some music also.

Here is one possibilty also with higher efficiency. Maybe too high q.

http://www.spectrumaudio.de/breit/mo...corSP155X.html
Cheers
Peter

Scottmoose · 10th September 2007, 12:38 AM

Peter -Q's OK -the box would just need to be a bit larger. Doesn't look a bad units, though I'm not sold on the response. The graphs are so heavily smoothed for all these units, who knows? It could be a blinding unit in practice.

Dave -Nah, the ~£50 apiece was a rough figure for what you'd have to pay at Wilmslow (who I wouldn't go near with a barge-pole) excluding both VAT and carriage, so at least another £25 would need to be added to the total price for a pair of units. Rip-off Britain is alive and well. It's certainly far better to get them from yourself, especially if modified. If anyone in the UK is reading this & is after some FR units -do yourself a favour and get them from Dave if you can. You'll save some cash, and get a better pair of drivers too. (In case of suspicion I have no vested interest here: do the math, and also note the mods that can be done to the drivers which make a massive improvement over the stock units).

peterbrorsson · 10th September 2007, 12:42 AM

Here is one possibilty also with higher efficiency. Maybe too high q.

Hmm, must clearify that statement. It says qts of 0.5 on the data sheet but I've seen reported measurments of 0.7 on some site in Germany. Can't find it now

Cheers
Peter

Scottmoose · 10th September 2007, 12:42 AM

Ah. Now that would be nasty.

peterbrorsson · 10th September 2007, 12:48 AM

Quote:

Originally posted by Scottmoose
Peter -Q's OK -the box would just need to be a bit larger. Doesn't look a bad units, though I'm not sold on the response. The graphs are so heavily smoothed for all these units, who knows? It could be a blinding unit in practice

Well according to Wolfgang, he prefer 155. Better mids and not so dark sounding. I sure don't know as I've not heard them.
But I would be damned if I can't find them in CZ Rep. They are produced here by TVM, hopefully cheaper also

Cheers
Peter

Scottmoose · 10th September 2007, 12:50 AM

One way to find out I suppose

Of the Spawns (sorry Dave -getting a bit behind the posts) the Monacors should go in Harvey OK. I'll see about a Chang variation too.

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9th September 2007, 09:23 PM	#21
loninappleton diyAudio Member Join Date: Feb 2004 Location: Appleton, WI	It's always fun to see someone new get involved in the single driver enthusiasm we share. My suggestion is, depending on whether you need a demonstration project quickly or are looking for a home system, don't let the information overload get to you. A good place to start is with a book called Speakerbuilding 201. Yes 201. It gives the basics on how speakers are calibrated and how those calibrations apply to the software used in the designs. For demonstration purposes and with what you've learned so far about how low power can handle big floor standing cabinets, the most recent wrinkle is using a digital audio converter directly from a laptop. Minimalism in cost and design for excellent sound reproduction is my goal and what drives my enthusiasm for the hobby. I've built the BIB.

9th September 2007, 09:25 PM	#22
Scottmoose diyAudio Member Join Date: Mar 2005 Location: UK	To do better than the Monacors, you'd really need to be doubling the budget & buy a pair of 6 1/2in Fostex drivers -the FE166E or FE167E, which go for ~£50 each. They're certainly worth the money in sonics, but I'd still be inclined to get the Monacors as it's your first project & the Fostex units need a larger cabinet. Remember you've got cabinet materials & an amplifier to buget for too.

10th September 2007, 12:38 AM	#26
Scottmoose diyAudio Member Join Date: Mar 2005 Location: UK	Peter -Q's OK -the box would just need to be a bit larger. Doesn't look a bad units, though I'm not sold on the response. The graphs are so heavily smoothed for all these units, who knows? It could be a blinding unit in practice. Dave -Nah, the ~£50 apiece was a rough figure for what you'd have to pay at Wilmslow (who I wouldn't go near with a barge-pole) excluding both VAT and carriage, so at least another £25 would need to be added to the total price for a pair of units. Rip-off Britain is alive and well. It's certainly far better to get them from yourself, especially if modified. If anyone in the UK is reading this & is after some FR units -do yourself a favour and get them from Dave if you can. You'll save some cash, and get a better pair of drivers too. (In case of suspicion I have no vested interest here: do the math, and also note the mods that can be done to the drivers which make a massive improvement over the stock units).

10th September 2007, 12:42 AM	#27
peterbrorsson diyAudio Member Join Date: Jan 2006 Location: Cz Rep.	Here is one possibilty also with higher efficiency. Maybe too high q. Hmm, must clearify that statement. It says qts of 0.5 on the data sheet but I've seen reported measurments of 0.7 on some site in Germany. Can't find it now Cheers Peter

10th September 2007, 12:50 AM	#30
Scottmoose diyAudio Member Join Date: Mar 2005 Location: UK	One way to find out I suppose Of the Spawns (sorry Dave -getting a bit behind the posts) the Monacors should go in Harvey OK. I'll see about a Chang variation too.

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