Those in the know will recognize the seas 10 inch, alnico. The speaker inside the case are 4 two way audiovideo speaker system. Nos new audiophile dynaco a10 bookshelf speakers midcentury danish modern nos. See more ideas about diy speakers, open baffle speakers and loudspeaker. One of my old dynaco a25 speakers is distorting sound. Scandyna a25 speakers a rebadged dynaco from 74 with original bassmids, but tweeters replaced by seas excell units and a slight mod to the crossover to. Nov 22, 2014 ok so thanks to a lot of suggestions and digging through the forum i acquired a pair of dynaco a25vws for my newly rebuilt st70 to drive. As i write, im listening to a pair driven by a 1960s fisher tube amplifier 7868 output tubes and the sound is wonderful.
For best performance, these dimensions should be followed closely. I would like to pool the tremendous knowledge base here as i am interested in. Each speaker is 20 x 11,5 x 10 and weighs about 20 pounds. Dynaco a25 new walnut veneer, recapped, new resistors, speaker. Dynaco a25 manual aperiodic loudspeaker system hifi. A recent bit of craigs list diving produced a nice find. Winter is coming to an end and so does my winter project. I assumed i could just remove the front speaker cloth and inspect and repair or replace whatever was broken. Dynaco speaker parts for reference information, specifications specs info and occasionally for sale.
Steel speaker stands type d for dynaco a25 a35 jbl l19 ads l710 infinity. Actually, the dynaco a25 was not an acoustic suspension, not a typical ported cabinet either, but the cabinet did have a vent. How do i connect the speaker wire onto or into these things. Find speakers in canada visit kijiji classifieds to buy, sell, or trade almost anything. Concurrent with a25 production, dynaco introduced the qd1 speaker adapter which synthesized 4channel sound from the stereo amplifier output. Dynaco a25 walnut stereo speakers, legendary models dynaco a25 walnut stereo speakers. Speakers are original and woofers have rubber surrounds that do not go bad like some foam surrounds. A pair of rare dynaco vintage speakers in excellent condition from the 197080s era. Dynaco a25 clone build thread hi stan, and thanks a lot this is the kind of info a guy like me really long for in this effort to build a clone an autopsy of the original thing. I dont make alot of money so i decided to go piece by piece. There is a pair of these for sale on ebay, as i write. This dynaco patent required a single resistor and a threeway potentiometer for the two rear speakers, generating phase difference signals for a feeling of ambience. As i have seen frequently with speakers of their era, the color of stain appears slightly darker on one.
I hooked up the a25s to an updated stereo 120 with super heatsinks, and asked count basie and his band to do the honors. Hence, the speaker s efficiency diminishes as the frequency goes down. The a25s were relatively ok, as 40 year old speakers go. The dynaco a25 aperiodic loudspeaker is a compact, high performance twoway speaker system. Diy speakers, diy speaker kits, diy bluetooth speaker, sound speaker.
Dynaco a25 speakers and wad kit6550 valve amp youtube. I was really surprised at how nice sounding the pioneer speakers are, was not blown away by either vintage speaker mentioned. I have a beautiful pair of dynaco a25 speakers for sale. The dynaco a25 aperiodic loudspeaker is a compact, high performance two way speaker system. Today my friend is helping setup my dyancasca35 to my dynaco a25 speakers.
Position of the drivers and dimensions of the cabinet walls and vent opening are all very similar to those of the original dynaco a25. The xls also have the grills attached with velcro which makes them easier to. I liked those old acoustic suspension speakers like ar, dynaco, advent, etc that dominated the 60s. I remember when the dynaco a25 came out it was a lot of fun for a low budget dorm room kind of midfi system. Includes usb charging cable and german operating instructions. Portable bluetooth speaker in the cult vw bus design in blue. Dynaco a 25 stereo speakers for sale canuck audio mart. They appear to be of an orginal a25 speaker design, with exceptions noted, vinyl walnut finish covering, rather than. The a50 is a slimline consolette 3speaker system which advances the aperiodic design concept initiated in the a25. Frankly it was pretty dull sounding and after the thrill of saving money wore off you were left looking for detail and better bass pretty quickly. Dynaco a25 manual aperiodic loudspeaker system hifi engine. The a50 is a slimline consolette 3 speaker system which advances the aperiodic design concept initiated in the a25. Just change the cap and enjoy the new sound of your speakers.
The a26 loudspeaker design is based closely on that of the legendary dynaco a25 loudspeaker, first introduced in 1969. On the back there are red an black posts that unscrew are these considered banana plugs. The two 10 woofers provide more radiating area than a 12 cone, avoid mechanical instability problems, and provide a smoother crossover to the tweeter at hz. Dynaco a50 manual aperiodic loudspeaker system hifi. Dynaco s a25 loudspeaker was amongst the most popular loudspeakers ever produced. Everyone knows that a lot of serious music listenersthat is, those who listen to music instead of using it as a conversational backgroundhave neither the space nor the money for a pair of typical floorstanding speakers, and must make do with bookshelftype systems that are actually small enough to put in a bookshelf. The original dynaco speakers had an intentional laidback and slightly subdued upper midrange in my opinion a brilliant implementation, because this is the hearing region of highest sensitivities, and a mild midbass punch to them. A forum dedicated to sharing your thrifty finds garage sales, flea markets, pawn shops, and more. As most speakers of this time, it features walnut veneer. Well all a25 grills are removeable if you force them off the glue thats used for the earlier versions. This is my first thread and i would like to take advantage of your immense audio knowledge to ask you what you think the best vintage receiver is for a pair of dynaco a25. I have a set of speaker kit for dynaco a50 4 pieces of 25tvew 16ohm and 2 pieces of h87.
Ive heard both the epi 100s and the dynaco a25 speakers, used to own a pair of the dynaco speakers. Dynaco a25 speakers on jolida 502b kt88 tube amp youtube. Sonos speakers, music system, speaker design, technology gadgets, audio, atoms, product design, volkswagen, electronics. The dynaco a25 is a 2way speaker, which reduced the problems that can occur when different drivers cover the same frequencies. What is the best vintage receiver for speakers dynaco a25. Ideas for simple stands for dynaco a25 vinyl record storage, audio. Gorgeous steel speaker stands type d fits dynaco a25 a35 jbl. Bluetooth speakers, audiophile speakers, hifi audio, audio design, speaker. Seas prestige a26re4 h1411 10 paper cone with images. Selling a pair of denmarks finest vintage speakers.
Dynaco a25 speakers and wad kit6550 valve amp duration. Matched pair of dynaco a25 speakers for sale canuck audio mart. Jan 15, 2010 the original dynaco speakers had an intentional laidback and slightly subdued upper midrange in my opinion a brilliant implementation, because this is the hearing region of highest sensitivities, and a mild midbass punch to them. However, i cannot see any way to remove the speaker cloth without damaging the cloth or speaker cabinet sides. Dynaco a25 hard to believe i just had one of those special listening sessions that seem to occur all too rarely, and its kind of surprising as you will see.
Vintage dynaco a25 speakers a25 made in denmark original vintage pr lot 2. I had these upgraded with new capacitors and new switches there is switch for adjusting the treble bass mix on dynaco speakers which are generally a poor quality wafer switch. Dynacos a25 loudspeaker was amongst the most popular loudspeakers ever produced. Sep 30, 2017 jolida jd502b kt88 consonance cyber 222 dynaco a25 yaqin sd30a tube cd player duration. A new verison of this system is now available as the seas prestige a26re4 h1411 with modern parts. A pat5 preamp, an se10 equalizer, a pair of a25 loudspeakers, and a pair of a35 loudspeakers. These are very nice sounding speakers and are a true classic. These little speakers are hard to find especially in this condition.
A26 kaiuttimen suunnittelun lahtokohtana ja innoittajana on ollut legendaarinen dynaco a25 kaiutin, joka esiteltiin jo vuonna 1969. A month later i added bookshelves, which meant moving the dynaco s to the surrounds. See more ideas about vacuum tube, valve amplifier and audio. Apr, 2017 i remember when the dynaco a25 came out it was a lot of fun for a low budget dorm room kind of midfi system. Decent bass for a small box although not as tight as an ar2a and miles behind an ar3a.
This new woofer will not fit in the dynaco a25 speaker, as the frame is 10. The a25, designed and built by seas, was one of the most popular loudspeakers ever produced, with more than 1 million units sold. The xls also have the grills attached with velcro which makes them easier to remove without messing with factory glue. Im moving later in the summer, so i boxed up my large, heavy and excellent alta audio speakers over the weekend. Dynaco a25 v w speaker dynaco the classic speaker pages. Jan 29, 2015 dynaco speaker replacements dynaco a25 tweeter. The dynaco a25xls have the better finishing of the front baffle and the grills are removeable. A 10 inch extended excursion woofer is matched to a specially designed soft dome tweeter with a dual section high pass filter at 1500hz, in a cabinet design which achieves a. The a25 xls sound basically the same as the a25, just some cosmetic improvement. The output and overall sq of both speakers is lumpy compared to the pioneers. I used the pair with a 70watt marantz 2270 with great results. Ok so thanks to a lot of suggestions and digging through the forum i acquired a pair of dynaco a25vws for my newly rebuilt st70 to drive. Adding internal bracing to stiffen the cabinet is a good idea for. Seas of norway and madisound are excited to provide the a26 speaker kit.
Nov 21, 2011 dynaco a25s do sound best with good amplifiers, and good tube amplifiers in particular. They were especially popular from 19601970 for their high quality and. Seas a26re4 h141108 woofer, 25few replacement, dynaco a25. Steel speaker stands type d for dynaco a25 a35 jbl l19 ads l710 infinity rs4000.
I have recently acquired a dynaco st 70 amp that i plan to pair with a bottlehead foreplay preamp i am going to build. Dynaco a25 replacement speakers drivers, spares, parts. Mar 08, 2012 listening to my recaped and refinished vintage dynaco a25 speakers. Classic dynaco a25 vw speakers in very good conditionthese are quite amazing speakers for their size. Wife says one pair in the house another pair has to leave. Gave them to a friend for his lp speakers, if the record was recorded in the 60smid 70s it sounds. Speaker recommendations for dynaco st 70 2channel home.
These are the hard facts of audio life, but while there is no known way of. With the speakers you touched uponforte, cornwall, heresy, any placement considerations for the speakers. Now, there is one thing on my list to santa and that is a impedance plot of the original system. Free images to use anywhere built in speakers, hifi audio, bluetooth. Considering the small size and age of these speakers, one is surprised about the tightness. Dynaco a25 hard to believe audiogon discussion forum. The build quality of the speakers and the fact they actually came with binding posts and not spring clips. I have done a search and did not come up with anything. The seas a26 loudspeaker is based on a 28liter cabinet. Thankfully, it looked like the drivers remained above the water line. I have several sets of vintage speakers, but these are the ones i listen to the most. This page concentrates on the speakers, and the restorations that i did on the cabinets and grille cloth. Low wattage requirement so would pair nicely with a low power tube amp. The closer they are to the wall the more intense the bass, the further from the back and side wall the greater the soundstage.
They are very neutral a good thing and do not hide mediocre source material. Dynaco a25s gearslutz is partsupported by our visitors. The tweeter for this speaker is no longer in production and seas recommends using their new sonotex fabric dome, the seas prestige 27tffc h0881. This web page takes a look inside the a25, and speaks in particular about troubleshooting. May 14, 2003 dflipappreciate the specs, they are very helpful. Welcome to usaudiomart, a classifieds site for used audio and hifi. Dynaco a25 xl vintage stereo speakers brads gear reverb. Feb 26, 2017 dynaco a25 new walnut veneer, recapped, new resistors. Cabinets and grills in very good condition except for a few dings on the top of one. Just replaced with a solen capacitor and new binding posts with larger diameter speaker wires. I remember when vintage dynaco, advent, ar speakers were there every day at the thrift store, ten years ago.
When i bought the speakers the dynaco was not a brand that i was that familar with. I have in mind the marantz 2270 or the sansui eight. Dynaco a25 clone build thread techtalk speaker building. Dynaco replacement woofers tweeters, midranges, crossovers, cabinets. Seas a26re4 h141108, superb classic woofer, new version of the dynaco a25 25few woofer requires adaptation one of the best classic woofers presently being produced, the undercoated paper cone, matching natural rubber surround and 4layer voice coil work perfectly together and give a smooth controlled nonresonant 2000hz rolloff, meaning crossover design can be reduced to a minimum.