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Dynaco A25 rebuild.... Thanks all!

24.17.18.217

Posted on May 16, 2015 at 03:17:51
Mossback
Audiophile

Posts: 1871
Location: Washington, the State
Joined: November 17, 2001
I replaced the 4.7 cap with a film Jentzen and tweeters with Morel MDT-20 in my old Dynaco A25s this afternoon.
The drawings, pictures part information and tips found here were very very helpful. The best tip was the hard to find and view +/- on the Morel tweeters. Man I would never have seen them molded into the plastic the way they are without knowing how to look.
Eli, Bold Eagle air time and all the rest of you a Big Thanks!

The speakers are in the living room connected the cable box and my MC2505. The speakers sound great. Frankly I am impressed.

This time next week we should have a new Oppo-103 and will have the MX110Z. I plan to run HDMI from the cable box to the OPPO DAC. Run RCA's to the MX so on. I may need some help making this work. I'm kinda old school not sure bout that HDMI stuff.

 

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RE: Dynaco A25 rebuild.... Thanks all!, posted on May 16, 2015 at 14:51:58
airtime
Audiophile

Posts: 11287
Location: Arizona
Joined: February 4, 2003
Congrats on getting them working. The A-25 was always my favorite vintage style speaker.

BTW the Morel tweeters are no longer available. However the Seas 27TDFC tweeters are even better than the morels.

Enjoy the speakers. It sounds like a wonderful setup.

But tell me more about the oppos. I use a Marantz NA7004 streaming player.

 

RE: Dynaco A25 rebuild.... Thanks all!, posted on May 17, 2015 at 08:06:41
Mossback
Audiophile

Posts: 1871
Location: Washington, the State
Joined: November 17, 2001
You have two choices with the Oppo players.
Stereophile rates the -105 as class A. $1300.00
The Oppo BDP-103 is classed B+. $500.00

I have a Modwright -105 with my other stereo gear. It's an amazing sounding player. I don't know how it sounds stock we had it sent directly to Dan.

 

RE: Dynaco A25 rebuild.... Thanks all!, posted on May 18, 2015 at 11:06:59
Posts: 1253
Location: Maine
Joined: August 16, 2011
Hi Mossback and Airtime, I hate to sound like a dink but I have a pair of the Morels 20 tweeters that I have saved to put in my A-25's. So far I have stuck with the stock tweeters. I have noticed a new tweeter by Dayton Loudspeakers, Parts Express. The tweeter is called the RS 28F. It is a 1,1/8th inch silk dome tweeter for about 50 bucks. 91db,100 watts, with possible cross over points of 1000 and 1,100 hz. The part number is(275-140),I'm having trouble copying and pasteing with my brothers laptop right now. This to me is a perfect clone of the Dynaudio A-28 tweeter I put in a box when you could buy them. Airtime I think I sent you some info on that tweeter which in an article in Speaker Builder was the ideal tweeter replacement for the Dyna's. They even used the same model number with maybe a letter changed or so. Check it out you guys....Mark Korda.

 

Thanks Mark, posted on May 18, 2015 at 18:50:07
Mossback
Audiophile

Posts: 1871
Location: Washington, the State
Joined: November 17, 2001
That is good information thanks for sharing it Mark.

 

RE: Dynaco A25 rebuild.... Thanks all!, posted on May 19, 2015 at 05:58:48
airtime
Audiophile

Posts: 11287
Location: Arizona
Joined: February 4, 2003
Hey thanks, I'll look it up.

The only reason I mentioned the Seas tweeter is because it is one HECK of a great sounding tweeter.
Thanks
charles

 

Dayton tweeter, posted on May 24, 2015 at 13:21:04
briggs
Audiophile

Posts: 1674
Location: Connecticut
Joined: April 16, 2002
That's about the same money as the Seas. Uhhh....

 

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