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Hi all. While I'm brand new to this forum I've owned my DQ-10s for around 40+ years. My current set up is with the DQ-10s, a pair of DQ-1Ws and a DQ-LP1 powered by Carver amps at 500 watts a side. The combination of clarity, definition, sound stage and pulse altering bass is so fun. BTW, if you get a chance listen to Ratchets by Hedegaard as a speaker test. Breathtaking. I've been using a variety of source mediums from vinyl to CDs and now through high end streaming which is surprisingly getting decent. Ok, enough about that. I've decided to do another tune up of the system. About 15 years ago I made new crossovers and have also replaced the woofers and tweeters. I'm not thinking of doing another refresh by having the LP1 tuned up and as well getting fresh crossovers and sending them to Regnar for the work. They don't have any crossovers so I'd have to find a set of stock ones to send them. So a couple of questions... Does anyone know of where I could get two original DQ-10 crossovers? Has anyone had work done by Regnar and were you happy with the service/results/cost? Thanks so much.

SVS Ultra Evolution Pinnacle Speaker (svsound.com) I was reading about these and it seems time delay and baffle minimization (like the DQ10) play a key role in their design. Anyone heard of these? Curved front baffle aligns all drivers on a vertical plane ensuring sound from each driver reaches your ears at the exact same instant. Maximizes phase coherence for more convincing and immersive soundstage with pinpoint accuracy and imaging. Midrange drivers and woofers positioned above and below the tweeter allow for seamless crossover blending to create an idealized “point-source” where sound emanates from single point in front of the speaker to optimize dispersion characteristics.

Vintage Dahlquist DQ-10 mirror image pair - $500 (Stamford) ------------------------------------------------------------------------ condition: good make / manufacturer: Dahlquist model name / number: DQ-10 Dahlquist DQ-10 mirror image pair with factory center post stands, 8/10 condition. Latest upgraded crossover design. Sound quality and imaging are excellent with these phase and time aligned Left and Right specific speakers. Specifications: Type: 5 way, 5 driver loudspeaker system Frequency Response: 35Hz to 27kHz Recommended Amplifier: 60 to 200W Crossover Frequency: 400, 1000, 6000, 12000 Hz Impedance: 8? Bass: 1 x 10" cone Mid-bass: 1 x 5" cone Mid range: 1 x 1.75" soft dome Tweeter: 1 x 0.75" dome Super Tweeter: 1 x piezoelectric element Weight: 50lbs As a bonus, there is an original set of boxes included, down to the packing material, addressed to a dealer in New Haven, CT. Nice set of Dahlquist DQ20i -------------------------------- In rare white grille cloth / oiled oak, very good condition, ready to go. These look very sharp compared to the standard black. No issues, and they sound like they should. This is the last model designed by John Dahlquist. If you are looking at these, I probably don't have to tell you much. Woofers re-foamed three years ago by the best, Bill Legall at Miller Sound in PA. As you know, these always place high on lists of top vintage speakers. $495 cash please. For either speaker, can meet you or you can come and hear them. Will demo for you with audiophile gear. Pick up only, in Stamford, CT. These are at a friend's place, since there are more audiophiles in his area, which is close to Westchester, NY. He will meet with you and demo and conclude the sale. You may bring your own music - he can play almost any media. Contact ajpennella@... Thanks for looking.

I bought identical sized metal legs off Amazon for my two pairs to get them to optimal height without huge bulky stands, but they aren't wood like these babies! very cool upgrade.

Greetings everyone! Regnar rebuilt my DQ10’s about 15 years ago, which included rebuilding the crossovers. The new crossover parts, their quality doesn’t appear to be exceptionally high - the resistors, for example, are the inexpensive ceramic type. I’m guessing the performance of these speakers would improve with a quality crossover, but, I’m not keen to rebuild the whole thing, as some of these boutique parts can be quite expensive - is it worth it? I was thinking of just replacing the seven resistors - would this be enough to affect a noticeable improvement in sound quality/transparency? Thanks, John

I noticed on the page /g/DahlquistSpeakers/wiki/23822/158757 dedicated to the Advent woofer used in the DQ-10 (the one with the masonite ring) that the subsequent model used in the New Advent Loudspeaker (the one with full metal basket) and used as a replacement in the DQ-10 is declared to have the same parameters as the original woofer. This seems true to me with regards to the parameters reported on the aforementioned page, but not for another parameter which concerns the position of the cone with respect to the panel on which the transducer is mounted. In fact, I understand that to have the cone in the same relative position (with respect to the panel) as that of the original woofer it is necessary to advance the new woofer using a ring (I don't know if this is compatible with the position of the covering cloth of the front panel of the DQ -10). In a project like that of the DQ-10 which gives importance to the alignment of the emission centers of the transducers, I believe that this aspect must be carefully considered. What I am saying is already confirmed by the photos of the two versions contained in the aforementioned page (in particular you can see how the cone of the full metal basket woofer is significantly set back compared to the panel on which it is mounted). If you want, I can also look for some photos I took, precisely to highlight this aspect, of the woofers of my two pairs of DQ-10s (one pair has the original woofers, the other has the full metal basket woofers). Franco