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Re: New owner of a pair of DQ10s that need a lot of work
The tweeter is now working but the super is still down. My next step is to pull and test the L5 Inductor and the 8.5 cap unless you have a better suggestion. Funning thing is the non-mirrored right
By MattB · #5798 ·
Re: New owner of a pair of DQ10s that need a lot of work
Looking good. How'd the test go?
By John van Son · #5797 ·
Re: New owner of a pair of DQ10s that need a lot of work
I finished the repairs on the tweeter and super tweeter circuit. I'll install it tomorrow and give it a test. Thank y'all for all the help. Fingers crossed.
By MattB · #5796 ·
Re: New owner of a pair of DQ10s that need a lot of work
Good spotting that resistor. That's a very unusual one to go bad in these and not one I'd ever suspect. When the resistors do cook, it's those over on the bass leg in my experience. (Had a set where
By John van Son · #5795 ·
Re: New owner of a pair of DQ10s that need a lot of work
Have u considered just replacing xo boards
By richard adelberg · #5794 ·
Re: New owner of a pair of DQ10s that need a lot of work
Update. Removed each part in the tweeter and super tweeter section of the board. Tested each component and found the 6uf and the 5ohm to be bad. I ordered the new parts and plan on replacing
By MattB · #5793 ·
Re: New owner of a pair of DQ10s that need a lot of work
No problem using higher voltage capacitors just so long as they're non-polarized (bipolar) for the audio purpose here. Aircore inductors such as used in the DQ-10 are literally just a spool of wire.
By John van Son · #5792 ·
Re: New owner of a pair of DQ10s that need a lot of work
Thank you for the incite. I have a question dealing with voltage on the capacitors. I was going to purchase?Jantzen Audio 0.10uF & 0.15uF?1200V caps. We will these work as replacements or is the
By MattB · #5791 ·
Re: New owner of a pair of DQ10s that need a lot of work
It's most likely the caps that are bad. Old electrolytic capacitors don't hold up over time especially after 47 years. The resistors should be fine as they tend to hold up well and when they go bad,
By John van Son · #5790 ·
Re: New owner of a pair of DQ10s that need a lot of work
They were abused and stored in a car trailer in South Texas heat where the wax on the boards melted and collected dirt. I am restoring them as a project of love. They were going to be thrown away and
By MattB · #5789 ·
Re: New owner of a pair of DQ10s that need a lot of work
I have to say...I've seen a lot of early and abused 10's in past out here, but these are the nastiest, most beat up covers I've ever seen. Like an electronic horror show. Were these subjected to a
By SpongeSound · #5788 ·
Re: New owner of a pair of DQ10s that need a lot of work
I have 2 set and never hear from piezo tweeters at all. I know the work as I wired jumper directly from amp. I used clarity caps and mills resistors and sent the part list to you. By all means do
By richard adelberg · #5787 ·
Re: New owner of a pair of DQ10s that need a lot of work
Checking back in. I have installed the original tweeters and the replacement advent woofers from Simply Speakers and now I know what I¡¯m dealing with. On the right speaker the super tweeter is not
By MattB · #5786 ·
Re: Which side is positive?
Perfect! Thank you so much. Cheers. Matt wrote:
By MattB · #5785 ·
Re: Which side is positive?
Follow Picts! They are correct <richardadelberg@...> wrote:
By richard adelberg · #5784 ·
Re: Which side is positive?
wrote:
By richard adelberg · #5783 ·
Re: Which side is positive?
For piezo brown is bottom purple top Tweeter black top of fuse to top term Purple or blue to bottom
By richard adelberg · #5782 ·
Re: Which side is positive?
On Thu, Dec 10, 2020 at 2:04 PM MattB <mab.switawi@...> wrote: > Ok. I have a set of DQ-10 tweeters supplied by Sheldon (thank you again). > I am trying to figure out which side is positive and
By dina hirsch <Rdajr1079@...> · #5781 ·
Which side is positive?
Ok. I have a set of DQ-10 tweeters supplied by Sheldon (thank you again). I am trying to figure out which side is positive and if the fuse is hooked to the positive or the negative side. Also on the
By MattB · #5780 ·
Re: DQ-10's
I've seen another pair in the sn 15xxx range with those polyester film caps. There was at least one dealer I know of (can't recall the name at the moment) that only sold their DQ-10s after changing
By John van Son · #5779 ·