Hi All
Recently came across a pair of Dynaco A-10's. Brought them home for a listen and found them to be decent, if uninspiring. Did a little reading and found that Morel made a tweeter (forget the number now) which is a direct drop in for it. Then I started wondering about replacing the woofer too. Just a 6.5 inch woofer.
Anyone ever built anything into these cabinets? Nice simple classic cabinets. I can do speaker building, but I have no where to build cabinets. Any thoughts?
Erik
Recently came across a pair of Dynaco A-10's. Brought them home for a listen and found them to be decent, if uninspiring. Did a little reading and found that Morel made a tweeter (forget the number now) which is a direct drop in for it. Then I started wondering about replacing the woofer too. Just a 6.5 inch woofer.
Anyone ever built anything into these cabinets? Nice simple classic cabinets. I can do speaker building, but I have no where to build cabinets. Any thoughts?
Erik
bigerik said:
Besides tweaking things -- that metal grill coming off the tweeter makes a big difference, replaceing the caps in the XO, tweaking the woofer, and routing off the big lip on the baffle -- all the alnico drivers & XO are worth something on eBay (one of my workbenchs is made of A25 carcasses, and the stand under one of my wife's shelves is made from A10s.
If i was rebuilding, i'd probably be thinking of putting the drivers in a new box & turfing the older box instead of the other way around.
dave
So Dave,
Sorry for the thread-jack here but you have piqued my interest.
I have a pair of A-25s in the basement. Any recommendations on what sort of box would suit those drivers?
Thank you for your patience, we now return to the discussion on A-10's.
/Dave
Sorry for the thread-jack here but you have piqued my interest.
I have a pair of A-25s in the basement. Any recommendations on what sort of box would suit those drivers?
Thank you for your patience, we now return to the discussion on A-10's.
/Dave
mercator said:
All the same mods work... figuring out what tweeter level works best & replacing the switch, cheap sand resistors & eleco cap would be the XO mod.
The same box, but done up in ply, braced with no sharp edges would be a 1st round... actually measuring the T/S and seeing if a T-Line would work would be 2nd.
http://www.t-linespeakers.org/classics/dynaco.html
dave
Thanks Dave
Looking now at starting from scratch. Started working the woofers in the A-10's, and there is a lot of flex in those cabinets. Just does not make much sense at all.....
Thanks!
Erik
Looking now at starting from scratch. Started working the woofers in the A-10's, and there is a lot of flex in those cabinets. Just does not make much sense at all.....
Thanks!
Erik
Dynaco / Scanspeak ? A10's ?
Hi folks,
I just bought a pair of Dynaco A10's That are in pristine condition, and the sound fantastic? I notice they are mirror imaged tweeters never saw a pair like these......I am guess ing thes are very early models with Scanspeak drivers?
Does anyone know more about these? I have looked around the web, but can find no info, I am interested in the crossover design details.
Thanks!
Hi folks,
I just bought a pair of Dynaco A10's That are in pristine condition, and the sound fantastic? I notice they are mirror imaged tweeters never saw a pair like these......I am guess ing thes are very early models with Scanspeak drivers?
Does anyone know more about these? I have looked around the web, but can find no info, I am interested in the crossover design details.
Thanks!
Dear Mr . Planet10
How is the progress ?
I really need schematic of Dynaco 35A's crossover.
Anyway, Tks u very much.
How is the progress ?
I really need schematic of Dynaco 35A's crossover.
Anyway, Tks u very much.
bananatuan said:
That is what you call syncronycity... i just posted the A50 XO last night -- the A35 (and A25) XO is simply the tweeter part of the XO -- althou i strongly suspect that A25.A35 could be improved by adding the woofer low pass.
From My Dynaco Page
And i did a set of impedance measures for the effect of the tweeter levels (attached)
dave
BTW... the XO i traced this from will be amongst my eBay auctions late this week.
Attachments
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Noted your infor with many thanks !
I ' ve bought a pair of DYNACO speaker.
At the behind side of speaker , I saw that a mark : Scandyna A30. As u know, Dynaco A25 has got Aperiodic Port uder the woofer but in my speaker Aperiodic Port above the Tweeter.
Beside. I found these sentence in one website:
Dynaco speakers were designed using Seas drivers, and imported to the USA under the Dynaco name. Interestingly the earliest A-25's used ScanSpeak Drivers and had the Aperiodic Port above the Tweeter, but this was soon changed to the widely seen Seas Drivers and the port under the woofer.
When I look at front of speaker , It is similar to Dynaco A35 and furthermore it has Aperiodic Port above the Tweeter.
I wonder what is it model of Dynaco ???
Please advise your comment !!!
Best regard .
I ' ve bought a pair of DYNACO speaker.
At the behind side of speaker , I saw that a mark : Scandyna A30. As u know, Dynaco A25 has got Aperiodic Port uder the woofer but in my speaker Aperiodic Port above the Tweeter.
Beside. I found these sentence in one website:
Dynaco speakers were designed using Seas drivers, and imported to the USA under the Dynaco name. Interestingly the earliest A-25's used ScanSpeak Drivers and had the Aperiodic Port above the Tweeter, but this was soon changed to the widely seen Seas Drivers and the port under the woofer.
When I look at front of speaker , It is similar to Dynaco A35 and furthermore it has Aperiodic Port above the Tweeter.
I wonder what is it model of Dynaco ???
Please advise your comment !!!
Best regard .
bananatuan said:
Very interesting. Never knew that. If it has an aperiodic port visible it is not an A35. From the labeling sounds like you have a rare A30.
What site did you read that on?
dave
Dear My King 😀
I read this on this site :
http://home.indy.net/~gregdunn/dynaco/components/speakers/
Please enjoit it !
Repeat again ! Face of my speaker very very similar to Dynaco A35 . But it has a piece of compressed fiberglass insultaion covering a slotted port. (as u writing in your site), above tweeter.
Beside, I saw on a mark SENSITIVE : 92 dB ??? Do you belive that ???
I used Dynaco A25 in the past. And I think my new speaker (A30) and A25 are the same sound.
Hope to receive your reply soon !!!
Yours truly,
TUAN.
I read this on this site :
http://home.indy.net/~gregdunn/dynaco/components/speakers/
Please enjoit it !
Repeat again ! Face of my speaker very very similar to Dynaco A35 . But it has a piece of compressed fiberglass insultaion covering a slotted port. (as u writing in your site), above tweeter.
Beside, I saw on a mark SENSITIVE : 92 dB ??? Do you belive that ???
I used Dynaco A25 in the past. And I think my new speaker (A30) and A25 are the same sound.
Hope to receive your reply soon !!!
Yours truly,
TUAN.
Ahhhh C'mon.. I have a pair of A25's.. they worked well with the Dyna Tube amps.. The Speakers' Shrill top end worked well with the Amps product as it did with the Amp's Farty bottom end.
Together the sumof the failings produced decent Sounds.
But to Recycle the Boxes?..
WHY??
20 mins on a table saw will produce a more rigid/suitable enclosure.. assuming yr not using Cheap Particle Board Like Dyna did.
Together the sumof the failings produced decent Sounds.
But to Recycle the Boxes?..
WHY??
20 mins on a table saw will produce a more rigid/suitable enclosure.. assuming yr not using Cheap Particle Board Like Dyna did.
Bare said:
I always found the A25s top to be very soft. Taking the metal cover off the tweeter really helps. The boxes are no great shakes (one of the reason i put the plans up -- too encourage people to build better boxes). The boxes burn pretty good, and my packing bench is built out of 6 A25 carcasses.
If anyone is interested i have the measured parameters of a set of A25 woofers, and the impedance curve of a set of tweeters up.
Tweeters
Woofers
dave
Oh my King 🙂 😎 😀
Have a good day !!!
Do you read above site about Dynaco Speaker ???
I'll post photo of Scandyna A30 if possible.
BANANA TUAN
Have a good day !!!
Do you read above site about Dynaco Speaker ???
I'll post photo of Scandyna A30 if possible.
BANANA TUAN
bananatuan said:
I get the feeling you are confusing me with Martin King....
I had actually found and read that page before.... didn't reread it this time... busy getting ready for a road trip.
please do
dave
planet10 said:
Good day to you !!!
I was very sorry to learn that you feel in a particular way about my confusing. I regret what I said 🙁
So sorry to bother you , Mr Dave ! When you said to someone
" You are my king " that means funny in my country. Honestly, I really want to crack a jocke.
I' ll take a photo of my speaker as soon as possible.
Yours sincerely, Banana Tuan.
bananatuan said:
No problems 🙂
Just that around here Mr. King is a very specific person.... the guy responsible for the simulation technology that allows us to model transmission lines.
dave
Dear all !
Here's my speaker photo .
Pls kindly find in the attached file !!!
Here's my speaker photo .
Pls kindly find in the attached file !!!
An externally hosted image should be here but it was not working when we last tested it.
An externally hosted image should be here but it was not working when we last tested it.
An externally hosted image should be here but it was not working when we last tested it.
What are the dimensions?
Those drivers look like the standard SEAS 25TV and H87 drivers in newere dynas...
dave
Those drivers look like the standard SEAS 25TV and H87 drivers in newere dynas...
dave