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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

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 !

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. Also, anyone know if someone is manufacturing stacking stands? As always, appreciate your input and wish everyone a great day of listening! Regards, Persi

I've been experimenting and adding a few dbx components in order to improve dynamic range of cassette and vinyl playback. Component include sub-harmonic synth (120X-DS and Dynamic Range Expander with Impact Restoration 3BX III). However, I have have recently notice left channel distortion coming from the left DQ10 woofer, when played at a higher volume and with all dBx equipment bypassed. The DQ10 pair has all original cross-over components. I have confirm that this is not an amplifier issue by swapping channels. I am trying to understand the failure mechanism when a speaker is blown. Is it an over heated voice coil wiring where insulation simply melts off the coil, a voice coil that over extends normal excursion, or perhaps failure of a cross-over component? Wondering if I can repair. Playing back a 200 Hz tone at higher volume and lightly touching the cone, the distortion seem to be tamed. The attached image shows a left and right channel distortion measurement with REW and a UMIK-2. Above 400 Hz, it seems (at least to my hears) to play normally. Would hated to replace the one original advent driver. Suspect I would have to replace both. Any suggestion for a good replacement if Woofer is beyond repair.

I just recapped my 20's recently but didn't replace the cement resistors. I have a slight crackling in the mid Magnat even at low volume..and it seems appears on different music tracks. Weird right! Could someone help me by circling the components responsible for the mid on the DQ20 schematic? I don't have any testing equipment to track problems so I guess I'm asking you all for what may be the culprit? I mentioned before the movement is very smooth when manipulation by hand and no tears or damage visually. Btw the resistors all looked good when I had everything apart for cap change. Would a bad solder connection cause something like this? Anyway, any comments helpful and ridiculed....would be appreciated. Mick

Got my new Advent 12's from simply speakers installed in my DQ20's. Perfect fit. Even the pre drilled screw holes matched up exactly. Pretty happy so far.

Good morning. I've got a 'fuzz' coming from my left DQ20 mid. I haven't done the cap replacement on that speaker yet (this weekend they both get their new 12" Advent replacements and the new caps on left side). The mid has no rubbing sounds while gently manipulated and the cone and foam surrounds are in beautiful condition. I can't hear it all the time...just certain songs. What my friends, could it possibly be? Am I missing something? Obvious? Any suggestions would be greatly appreciated.

Hey group! I just wanted to personally thank those who have given input to my questions. It's been a great bunch since I'm just a new member. I was curious if anyone wanted to share a quick snapshot of their gear. I like to see what others have put together to run their Dahlquist speakers. I'll start. Be well all! Mick

Hey all. Looks like I should have pulled the grills when I purchased the speakers. I've been hoodwinked. The images are what I found while doing a cap replacement. Any opinion on these and what aftermarket would you suggest for a 12" hole that I have available? Something reasonable please.

Hi all! New member here. I've the pleasure of being the permanent caretaker of a pair of DQ20'S. I've done the cosmetics already and now is the time for 'the guts'. I've ordered new Solen caps from Josh at Madisound per the schematic. He's told be there is no polarity or direction..and I believe him! BUT I've also heard that there is an preferred direction with something about the outer cap goes to the lowest side of something? Listen, I'm no electrician so it's all foreign to me! Has anyone heard anything about this? I trust Madisounds information but thought I'd ask you all. Also what should I expect with the change? All the values are remaining the same and I'm only changing the 6 caps per speaker..nothing else. Any input with experienced folks that have done this, would be greatly appreciated. They sound great already but the insides must be getting tired. How much will this change the sound sonically? Thanks again for any input. Sincerely Mick

Good morning ladies and gents! As per my first new member post yesterday about doing a cap refresh on my DQ20's, I've also noticed a new rattle in my mids! (Oh bummer)..any suggestions on a direct replacement if it comes to that? I'll attach an image just for a refresh for your memory. Thanks for any and all suggestions. Mick

Quick question for those running DQ-10s and 2 DQ-1 woofers through the DQ-LP1. What are your preferred settings? Cheers

Hello there! i'm working at a pair of dahlquiest dq10 and i want to make the panels and i need some measurements please. If someone can give me some measurements, i will apreciate it. Thank you

Hey all, How far apart do you place your DQ 20s?