Re: enclosure dimensions of dahlquist DQ10
What kind of measurements are you looking for??
Are all the components you have original and functioning?
Do you have the assembled crossover?
?
The baffle sizes are:
The large panel is 11” wide x 8.5” tall.
The tweeter board is 6.75” x 4.5”.
The mid dome board is 8” x 6.5”.
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enclosure dimensions of dahlquist DQ10
Hello guys! i want to make a pair of dahlquiest dq10 speakers. I have all the components, but i need to make the cabinets/enclosures. Can someone please give me some measurements please? Thank you !  
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Thanks Pete! You're a good man! So my brother used his high end milling machine to properly mill out the spaces for the new midrange and tweeter. Also had to construct a new tube for the 6" midrange difference. Turned out great...the fit and finish. So here's what I ended up with.
-Hi-Vi L6-8R 6" mid
-ScanSpeak classic
D2008 852100
-Advent P001-31858
12" woofer
- All new Solens
Capacitors
They are just now getting stretched out and sounding fabulous! Obviously I'm not a purist! Lol I'm sure the DQ20 purists would be tripping because of the non originality! But I don't care...I care what my ears hear though. I wouldn't change a thing. Seriously.? I hope this message finds you well Pete. Let me know what you have going on.
You sound like someone who is always thinking and tinkering. Be well.
Sincerely,
Mick
My marked up schematic shows black/brown going to positive, and black/white going to negative. Please let us know what mods you made and how they sound.
Pete Basel
On Fri, Feb 28, 2025 at 9:01?PM Mickey McAuliff via <mickeymcauliff= [email protected]> wrote: Pete, I'm getting ready to install those new mids we talked about on the DQ20's. Polarity question again...is the brown stripe the positive? Once again no markings on the mid connection. Thank you very much. Mick?
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My marked up schematic shows black/brown going to positive, and black/white going to negative. Please let us know what mods you made and how they sound.
Pete Basel
On Fri, Feb 28, 2025 at 9:01?PM Mickey McAuliff via <mickeymcauliff= [email protected]> wrote: Pete, I'm getting ready to install those new mids we talked about on the DQ20's. Polarity question again...is the brown stripe the positive? Once again no markings on the mid connection. Thank you very much. Mick?
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Pete, I'm getting ready to install those new mids we talked about on the DQ20's. Polarity question again...is the brown stripe the positive? Once again no markings on the mid connection. Thank you very much. Mick?
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I have at least one SEAS MCA15RCY and they are very similar but with the SEAS built on a much nicer cast frame. Both have treated paper cones of about 3.5" to the start of the roll. Both have about the same width roll. Both have treated fabric dust caps. The Vifa has 1mm linear throw and the SEAS 1.7mm The spec sensitivity is a bit less for the SEAS, about 2dB which IS significant, perhaps the resistive padding could be adjusted and the rest of the components impedance scaled to bring the XO response back in spec but with a bit more drive.? There's 2.7 ohms in series with the stock Vifa mid. I measured the stock Vifa as 5.7 and 5.8 ohms and the SEAS is rated at 5.8 ohms, how about that?
Unfortunate that the cutout is 4 1/8" but the SEAS needs 4 1/2", I'd like to try the SEAS with the option to go back if I find originals on ebay, however we must keep in mind that the edges harden so perhaps there's no going back. The Vifa frame is 5" across the smallest side and if the 4.5" cut is made carefully there's 1/8" left for a good seal.
It would be nice to have a high quality modern replacement.? The SEAS are not cheap!
Pete B.
?
On Fri, Feb 21, 2025 at 9:50?AM Mickey McAuliff via <mickeymcauliff= [email protected]> wrote: I think I looked at that one too! Crap...I've looked and converted so many mm to inches, I can't remember anymore! Lol. Very nice! Let me know how it works if you pull the trigger. I really like the group...but I find it is more of a DQ 10 focused. I may be wrong, but happy to have found someone as interested in the 20's. Mick
Pretty sure that the original was 5.25" and it was a true midrange with short throw and fairly high sensitivity.? I'm considering this one, because of many similarities - not sure if it will drop right in:
On Fri, Feb 21, 2025 at 9:24?AM Mickey McAuliff via <mickeymcauliff= [email protected]> wrote:
Which mids are you getting?
These DQ20i s are at our house in Stamford CT and I had the drivers at our home in Trumbull where my measurement equipment is.? The Trumbull home burnt down and most of the drivers are destroyed. I have Large Advent woofers that will work and will probably buy the modern tweeter and have a modern midrange in mind.
Pete Basel
On Fri, Feb 21, 2025 at 5:46?AM Mickey McAuliff via <mickeymcauliff= [email protected]> wrote: Pete. Thanks for your reply. Madisound squared me away on polarity.? I have so far replaced the woofer and tweeter and ordered mids from Josh at Madisound yesterday. I'm not so much of a purist when it comes to the DQ20'S...meaning everything doesn't have to be exactly the same. I'm a lover of fantastic sound and also very in tune visually with the Dahlquist DQ20.? I think we may be Friends because of the Dahlquist.
Thanks again. Mick
I recently purchased a very clean pair of DQ20i s and am in the process of restoring them. Woofers were recently done by Miller Sound by PO. And I'm carefully documenting them on Audio Karma, and correcting the schematic that is available online.? Taking the red dot on the original tweeters as?+, yes the black/green wire goes to the? +and the black/white goes to the -. System documented here (not done):
Mids and edge hardening documented here:
Pete Basel
On Fri, Feb 14, 2025 at 7:26?PM Mickey McAuliff via <mickeymcauliff= [email protected]> wrote: Fellas. Can you tell me the polarity of the Scanspeak tweeter. Black/white, green/black. Which is which? The back label is gone where I assumed the +/- was located. Got my new ones today and didn't want to fudge it up. Thanks Mick
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Re: DQ-10 stacking stands - inquiry
Thanks all for the insights into the stacking questions.? I'll need to think on this more.?
I do like the computer rack and securing to the?ceiling suggestions :-)
Have a great weekend, all.
On Thu, Feb 20, 2025 at 6:52?AM SpongeSound via <wm.edmiston= [email protected]> wrote: [Edited Message Follows]
I have never seen a "stacking kit" that wasn't homemade in design and build. That said, you won't find one that's manufactured. But the bigger point I'd make is "why?"? Other than impressing your neighborhood guy friends with the Grateful Dead/Van Halen-size rig in your living room, the audio signals will get all scrambled up and deviate FAR from what was originally designed. I own two pairs of tens and after considering how it disrupts the time-delay aspect (not to mention you have to mount the top speaker upside down and angle it very carefully, it did not seem worth the monumental effort. That's a LOT of top-heavy weight mounted precariously over the bottom speaker. God forbid it topples onto a child or animal.?
?
I know there are a few out here who will vehemently take issue what I've said since they've done it, so take it as one owners opinion. There's something about those damn 10's that begs people to muck with them. LOL
?
but IF, I WERE TO GO THROUGH WITH IT, I'd consider a computer server rack for its rigidity, strength, ease of assembly and mobility. Not sure how you'd mount the speakers to the rack bit it seems it would be a LOT less expensive and time-consuming than trying to build something from scratch. If it doesn't fulfill your dreams you can sell them on Craigslist later.??
?
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I think I looked at that one too! Crap...I've looked and converted so many mm to inches, I can't remember anymore! Lol. Very nice! Let me know how it works if you pull the trigger. I really like the group...but I find it is more of a DQ 10 focused. I may be wrong, but happy to have found someone as interested in the 20's. Mick
Pretty sure that the original was 5.25" and it was a true midrange with short throw and fairly high sensitivity.? I'm considering this one, because of many similarities - not sure if it will drop right in:
On Fri, Feb 21, 2025 at 9:24?AM Mickey McAuliff via <mickeymcauliff= [email protected]> wrote:
Which mids are you getting?
These DQ20i s are at our house in Stamford CT and I had the drivers at our home in Trumbull where my measurement equipment is.? The Trumbull home burnt down and most of the drivers are destroyed. I have Large Advent woofers that will work and will probably buy the modern tweeter and have a modern midrange in mind.
Pete Basel
On Fri, Feb 21, 2025 at 5:46?AM Mickey McAuliff via <mickeymcauliff= [email protected]> wrote: Pete. Thanks for your reply. Madisound squared me away on polarity.? I have so far replaced the woofer and tweeter and ordered mids from Josh at Madisound yesterday. I'm not so much of a purist when it comes to the DQ20'S...meaning everything doesn't have to be exactly the same. I'm a lover of fantastic sound and also very in tune visually with the Dahlquist DQ20.? I think we may be Friends because of the Dahlquist.
Thanks again. Mick
I recently purchased a very clean pair of DQ20i s and am in the process of restoring them. Woofers were recently done by Miller Sound by PO. And I'm carefully documenting them on Audio Karma, and correcting the schematic that is available online.? Taking the red dot on the original tweeters as?+, yes the black/green wire goes to the? +and the black/white goes to the -. System documented here (not done):
Mids and edge hardening documented here:
Pete Basel
On Fri, Feb 14, 2025 at 7:26?PM Mickey McAuliff via <mickeymcauliff= [email protected]> wrote: Fellas. Can you tell me the polarity of the Scanspeak tweeter. Black/white, green/black. Which is which? The back label is gone where I assumed the +/- was located. Got my new ones today and didn't want to fudge it up. Thanks Mick
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Pretty sure that the original was 5.25" and it was a true midrange with short throw and fairly high sensitivity.? I'm considering this one, because of many similarities - not sure if it will drop right in:
On Fri, Feb 21, 2025 at 9:24?AM Mickey McAuliff via <mickeymcauliff= [email protected]> wrote:
Which mids are you getting?
These DQ20i s are at our house in Stamford CT and I had the drivers at our home in Trumbull where my measurement equipment is.? The Trumbull home burnt down and most of the drivers are destroyed. I have Large Advent woofers that will work and will probably buy the modern tweeter and have a modern midrange in mind.
Pete Basel
On Fri, Feb 21, 2025 at 5:46?AM Mickey McAuliff via <mickeymcauliff= [email protected]> wrote: Pete. Thanks for your reply. Madisound squared me away on polarity.? I have so far replaced the woofer and tweeter and ordered mids from Josh at Madisound yesterday. I'm not so much of a purist when it comes to the DQ20'S...meaning everything doesn't have to be exactly the same. I'm a lover of fantastic sound and also very in tune visually with the Dahlquist DQ20.? I think we may be Friends because of the Dahlquist.
Thanks again. Mick
I recently purchased a very clean pair of DQ20i s and am in the process of restoring them. Woofers were recently done by Miller Sound by PO. And I'm carefully documenting them on Audio Karma, and correcting the schematic that is available online.? Taking the red dot on the original tweeters as?+, yes the black/green wire goes to the? +and the black/white goes to the -. System documented here (not done):
Mids and edge hardening documented here:
Pete Basel
On Fri, Feb 14, 2025 at 7:26?PM Mickey McAuliff via <mickeymcauliff= [email protected]> wrote: Fellas. Can you tell me the polarity of the Scanspeak tweeter. Black/white, green/black. Which is which? The back label is gone where I assumed the +/- was located. Got my new ones today and didn't want to fudge it up. Thanks Mick
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It's going to be a little router work (my siblings own a very high end cabinet shop). I replaced the non original woofer that it came with, with Advents 12" and the tweeter with the Scanspeak D2008/852100. The reason I'm changing out the mids is because one has a noticeable rattle. Josh at Madisound set me up with all new Solens caps. I refinished the honey oak ? with a darker rich stain and clear coat. My son has the bottom screw on 'front pedestal' at the shop now to fill in the unavoidable gouges in the black panel part. New black fabric added. Not original by any DQ20 standard, but appealing to me. Hope all is well. Thanks for your response. Mick
Which mids are you getting?
These DQ20i s are at our house in Stamford CT and I had the drivers at our home in Trumbull where my measurement equipment is.? The Trumbull home burnt down and most of the drivers are destroyed. I have Large Advent woofers that will work and will probably buy the modern tweeter and have a modern midrange in mind.
Pete Basel
On Fri, Feb 21, 2025 at 5:46?AM Mickey McAuliff via <mickeymcauliff= [email protected]> wrote: Pete. Thanks for your reply. Madisound squared me away on polarity.? I have so far replaced the woofer and tweeter and ordered mids from Josh at Madisound yesterday. I'm not so much of a purist when it comes to the DQ20'S...meaning everything doesn't have to be exactly the same. I'm a lover of fantastic sound and also very in tune visually with the Dahlquist DQ20.? I think we may be Friends because of the Dahlquist.
Thanks again. Mick
I recently purchased a very clean pair of DQ20i s and am in the process of restoring them. Woofers were recently done by Miller Sound by PO. And I'm carefully documenting them on Audio Karma, and correcting the schematic that is available online.? Taking the red dot on the original tweeters as?+, yes the black/green wire goes to the? +and the black/white goes to the -. System documented here (not done):
Mids and edge hardening documented here:
Pete Basel
On Fri, Feb 14, 2025 at 7:26?PM Mickey McAuliff via <mickeymcauliff= [email protected]> wrote: Fellas. Can you tell me the polarity of the Scanspeak tweeter. Black/white, green/black. Which is which? The back label is gone where I assumed the +/- was located. Got my new ones today and didn't want to fudge it up. Thanks Mick
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Which mids are you getting?
These DQ20i s are at our house in Stamford CT and I had the drivers at our home in Trumbull where my measurement equipment is.? The Trumbull home burnt down and most of the drivers are destroyed. I have Large Advent woofers that will work and will probably buy the modern tweeter and have a modern midrange in mind.
Pete Basel
On Fri, Feb 21, 2025 at 5:46?AM Mickey McAuliff via <mickeymcauliff= [email protected]> wrote: Pete. Thanks for your reply. Madisound squared me away on polarity.? I have so far replaced the woofer and tweeter and ordered mids from Josh at Madisound yesterday. I'm not so much of a purist when it comes to the DQ20'S...meaning everything doesn't have to be exactly the same. I'm a lover of fantastic sound and also very in tune visually with the Dahlquist DQ20.? I think we may be Friends because of the Dahlquist.
Thanks again. Mick
I recently purchased a very clean pair of DQ20i s and am in the process of restoring them. Woofers were recently done by Miller Sound by PO. And I'm carefully documenting them on Audio Karma, and correcting the schematic that is available online.? Taking the red dot on the original tweeters as?+, yes the black/green wire goes to the? +and the black/white goes to the -. System documented here (not done):
Mids and edge hardening documented here:
Pete Basel
On Fri, Feb 14, 2025 at 7:26?PM Mickey McAuliff via <mickeymcauliff= [email protected]> wrote: Fellas. Can you tell me the polarity of the Scanspeak tweeter. Black/white, green/black. Which is which? The back label is gone where I assumed the +/- was located. Got my new ones today and didn't want to fudge it up. Thanks Mick
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Which mids are you getting?
These DQ20i s are at our house in Stamford CT and I had the drivers at our home in Trumbull where my measurement equipment is.? The Trumbull home burnt down and most of the drivers are destroyed. I have Large Advent woofers that will work and will probably buy the modern tweeter and have a modern midrange in mind.
Pete Basel
On Fri, Feb 21, 2025 at 5:46?AM Mickey McAuliff via <mickeymcauliff= [email protected]> wrote: Pete. Thanks for your reply. Madisound squared me away on polarity.? I have so far replaced the woofer and tweeter and ordered mids from Josh at Madisound yesterday. I'm not so much of a purist when it comes to the DQ20'S...meaning everything doesn't have to be exactly the same. I'm a lover of fantastic sound and also very in tune visually with the Dahlquist DQ20.? I think we may be Friends because of the Dahlquist.
Thanks again. Mick
I recently purchased a very clean pair of DQ20i s and am in the process of restoring them. Woofers were recently done by Miller Sound by PO. And I'm carefully documenting them on Audio Karma, and correcting the schematic that is available online.? Taking the red dot on the original tweeters as?+, yes the black/green wire goes to the? +and the black/white goes to the -. System documented here (not done):
Mids and edge hardening documented here:
Pete Basel
On Fri, Feb 14, 2025 at 7:26?PM Mickey McAuliff via <mickeymcauliff= [email protected]> wrote: Fellas. Can you tell me the polarity of the Scanspeak tweeter. Black/white, green/black. Which is which? The back label is gone where I assumed the +/- was located. Got my new ones today and didn't want to fudge it up. Thanks Mick
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Pete. Thanks for your reply. Madisound squared me away on polarity.? I have so far replaced the woofer and tweeter and ordered mids from Josh at Madisound yesterday. I'm not so much of a purist when it comes to the DQ20'S...meaning everything doesn't have to be exactly the same. I'm a lover of fantastic sound and also very in tune visually with the Dahlquist DQ20.? I think we may be Friends because of the Dahlquist.
Thanks again. Mick
I recently purchased a very clean pair of DQ20i s and am in the process of restoring them. Woofers were recently done by Miller Sound by PO. And I'm carefully documenting them on Audio Karma, and correcting the schematic that is available online.? Taking the red dot on the original tweeters as?+, yes the black/green wire goes to the? +and the black/white goes to the -. System documented here (not done):
Mids and edge hardening documented here:
Pete Basel
On Fri, Feb 14, 2025 at 7:26?PM Mickey McAuliff via <mickeymcauliff= [email protected]> wrote: Fellas. Can you tell me the polarity of the Scanspeak tweeter. Black/white, green/black. Which is which? The back label is gone where I assumed the +/- was located. Got my new ones today and didn't want to fudge it up. Thanks Mick
|
I recently purchased a very clean pair of DQ20i s and am in the process of restoring them. Woofers were recently done by Miller Sound by PO. And I'm carefully documenting them on Audio Karma, and correcting the schematic that is available online.? Taking the red dot on the original tweeters as?+, yes the black/green wire goes to the? +and the black/white goes to the -. System documented here (not done):
Mids and edge hardening documented here:
Pete Basel
On Fri, Feb 14, 2025 at 7:26?PM Mickey McAuliff via <mickeymcauliff= [email protected]> wrote: Fellas. Can you tell me the polarity of the Scanspeak tweeter. Black/white, green/black. Which is which? The back label is gone where I assumed the +/- was located. Got my new ones today and didn't want to fudge it up. Thanks Mick
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Re: DQ-10 stacking stands - inquiry
I’m in the camp that it’s a hobby and it was fun to try. ?Here is my Rube Goldberg low cost stacking method. ?It uses the original base that was reinforced and pipe clamps. ?It was a little tippy at first, and I added a third clamp to the top DQ-10 and a ceiling joist. ?This is my unfinished basement so it was easy to implement. ?Each of the four speaker channels can be time aligned through a 4-CH Mini-DSP. ?However, I believe my stacking accuracy was good enough where it really doesn’t need time alignment.  
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Re: DQ-10 stacking stands - inquiry
I have never seen a "stacking kit" that wasn't homemade in design and build. That said, you won't find one that's manufactured. But the bigger point I'd make is "why?"? Other than impressing your neighborhood guy friends with the Grateful Dead/Van Halen-size rig in your living room, the audio signals will get all scrambled up and deviate FAR from what was originally designed. I own two pairs of tens and after considering how it disrupts the time-delay aspect (not to mention you have to mount the top speaker upside down and angle it very carefully, it did not seem worth the monumental effort. That's a LOT of top-heavy weight mounted precariously over the bottom speaker. God forbid it topples onto a child or animal.?
?
I know there are a few out here who will vehemently take issue what I've said since they've done it, so take it as one owners opinion. There's something about those damn 10's that begs people to muck with them. LOL
?
but IF, I WERE TO GO THROUGH WITH IT, I'd consider a computer server rack for its rigidity, strength, ease of assembly and mobility. Not sure how you'd mount the speakers to the rack bit it seems it would be a LOT less expensive and time-consuming than trying to build something from scratch. If it doesn't fulfill your dreams you can sell them on Craigslist later.??
?
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I'm away from home so I'm asking for your help. I'm replacing my Magnat mids in my DQ20's and the seller is asking for cabinet hole dimensions. Depth before inner vent tube and cabinet hole size. If anyone can rattle these off by memory, I'd be greatly appreciative. Mick?
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DQ-10 stacking stands - inquiry
Hello all,
I've done a quick search of this group's database and have found pictures of a few stands capable of stacking two DQ-10's.? ?Does anyone have more information on potential builds?? As I've never heard this type of setup, looking for input from folks - this will help me determine whether to pursue this project.?
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Also, anyone know if someone is manufacturing stacking stands?
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As always, appreciate your input and wish everyone a great day of listening!
Regards, Persi?
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Playing ?pink noise though the system is a MUCH MORE SENSITIVE TEST than any music. It is particularly well suited for phase and frequency response uniformity issues.
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This is because the ear is a good relative measuring tool and pink noise contains all frequencies equally dispersed by octave, the way the ear responds.?
you can easily find pink noise on many streaming sites and test CD’s / discs.
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However you must first learn what pink noise ?sounds like. One readily available source is an Apple iPhone or iPad. Above a few hundred Hz they are reasonably uniform and can adequately train your ear. What you are listening for is smooth sound. Hollow or harsh is bad.
One reasonable test is here.
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There are also many good apps for the iDevices that will give you a graphical display to the speaker response, but those require you both to know how to use and interpret what they are telling you, hence beyond the scope of this discussion.?
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Re: DQ10 Woofer Distortion
It could affect the xmax of the driver due to the change of position of the coil windings relative to the pole piece.
On Saturday, February 15, 2025 at 11:38:34 PM EST, Ed Marrs via groups.io <ed.marrs123@...> wrote:
I don’t believe this is normal. ?I have a second pair of DQ-10s that I stack with this pair and I replaced the woofer surrounds which were installed in the normal concave away for the listener orientation. ?However, I can’t think of a reason ?how either install would make a difference.
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Charlie Conger
SpongeSound