The woofer is no longer made in this frame size. and the square magnets woofers (new surround) are intact and working well and sound harmonically rich even as of today. The A25 is a two-way speaker with a 10" woofer an… Most of the time I hear more about the Dynaco A25's that are bass reflex, the A35's are acoustic suspension in a larger cabinet. Original burlap cloth grill covers. Dynaco updated the A25's in 1973 (the year I believe these speakers date from) to the A25XL's with increased frequency range and better power handling. Dynaco manuals | Hifi Manuals Free: Service Manuals, Owners Manuals, Schematics, Diagrams, Datasheets, Brochures online for free download and free to your amplifier, receiver, tape, CD, Tuner, Turntable and Recorder. pageTracker._initData(); The crossover is quite simple, just a 5 uF capacitor in series with a variable resistor arrangement that feeds the tweeter. The enclosure cabs measures 25.50" x 14.25" x 11.75" / 26"x14"x11.5" 17Kg The ones that I've heard have had a severely weak bass. Sensitivity - 92 dB SPL for 1 watt at 1 meter May 11, 18 2:17pmFinally up for sale is my very last pair of great sounding 1970's Large Advent Utility speakers or Best Offer +C $151.60 shipping estimate. The cabinet looks like a somewhat like versions of of a Bose 301. Payment is by: Cash, EMT, Money Order (1969-76)They provided amazingly good sound then and 50 years later still do!The A25 is a two-way speaker with a 10" woofer and a 2.25" mid-tweeter.The crossover is quite simple, just a 5 uF capacitor in series with a variable resistor arrangement that feeds the tweeter.They were built with 8 uF capacitors.The woofer connects directly to the binding posts, and the crossover relies on the natural roll-off of the 10" woofer.Specifications:Type: 2 way, 2 driver loudspeaker systemFrequency Response: 30Hz to 15kHzPower Handling: 35WRecommended Amplifier: 60WCrossover Frequency: 1500HzThe crossover frequency is about 3600 Hz.Based on 5 uF seeing about 8.8 OhmsImpedance: 8ΩBass: 1 x 10" extended excursion Dynaco Seas 25F-EW WoofersTweeter: 1 x soft dome Dynaco SEAS H-087 Dome TweetersDome size - 1.5"Frequency Range - 1500 Hz to 20 kHzResonant Frequency - 1 kHz (foot note adds impedance is about 6 Ohms)Sensitivity - 92 dB SPL for 1 watt at 1 meterNominal power 60 Watts with a 6dB/octave crossover frequency of 1500 HzFlux Density - 1.2 TeslasForce Factor - 1.5 Webers/meter (8 Ohms)Voice Coil Diameter - 39 mmVoice coil height/air gap height- 3mm/2.5 mmEffective diaphragm area - 13 cm^2Moving Mass+Typical air load mass - 0.6 gramsDiameter or axes/depth - 104 mm/50 mmFinish: Oiled WalnutMade in DenmarkDynaco Speaker Component Infohome.indy.net/~gregdunn/dynaco/components/speakers/No stands includedComes with original Dynaco off white burlap finish grill cloths$260.00/pairLocal GTA pick up is Finch + Dufferin areaRead more at https://www.stereophile.com/content/dynaco-25-loudspeaker#E63xYbBIiMZhMZ1Z.99Also have an excellent pair of original cross overs for rare Dynaco D-20XL Audiophile Speakers @ $120.00/pairMade in DENMARK*Shipping to anywhere in Canada is included in price!They'll sound as good as the A-25's yet seem much more efficient.They have just as much bass and a crisper high end!They have as much audible bass extension as the A-25's, and are much more open on the topEven more extended range beyond what the A-25's can reproduce.In a side-by-side, it literally sounded like the D20-XL are three feet closer than the A-25's.Total different look then the Dynaco A series!The cabinet looks like a somewhat like versions of of a Bose 301.A preferably vertical design with the panels on top and bottom and the black fabric grill covering the 3 visible sides.The sound quality is really quite astounding for their age and size.They are 2 way with an 8 inch woofer and a 2 inch tweeter.The woofers have Butyl rubber surrounds, as do all Dynaco speakers.They were made in DenmarkDynaco sold them from 1977 - 1982.Excellent for jazz and vocals and have quite decent bass!They do sound amazing and are all originalIf you have or find a pair of these Dynaco D-20's, I have the updated cross overs with replaced caps, Jan 23, 18 9:10am The 60s and 70s were a prominent time for Dynaco speakers. Making good visual impression, grilles are well color matched, both with the original 1970's Advent logo badges! The Dynaco A-25 aperiodic loudspeaker is a compact, high performance two way speaker system. The woofer is no longer made in this frame size. (1969-76)They provided amazingly good sound then and 50 years later still do!The A25 is a two-way speaker with a 10" woofer and a 2.25" mid-tweeter.The crossover is quite simple, just a 5 uF capacitor in series with a variable resistor arrangement that feeds the tweeter.They were built with 8 uF capacitors.The woofer connects directly to the binding posts, and the crossover relies on the natural roll-off of the 10" woofer.Specifications:Type: 2 way, 2 driver loudspeaker systemFrequency Response: 30Hz to 15kHzPower Handling: 35WRecommended Amplifier: 60WCrossover Frequency: 1500HzThe crossover frequency is about 3600 Hz.Based on 5 uF seeing about 8.8 OhmsImpedance: 8ΩBass: 1 x 10" extended excursion Dynaco Seas 25F-EW WoofersTweeter: 1 x soft dome Dynaco SEAS H-087 Dome TweetersDome size - 1.5"Frequency Range - 1500 Hz to 20 kHzResonant Frequency - 1 kHz (foot note adds impedance is about 6 Ohms)Sensitivity - 92 dB SPL for 1 watt at 1 meterNominal power 60 Watts with a 6dB/octave crossover frequency of 1500 HzFlux Density - 1.2 TeslasForce Factor - 1.5 Webers/meter (8 Ohms)Voice Coil Diameter - 39 mmVoice coil height/air gap height- 3mm/2.5 mmEffective diaphragm area - 13 cm^2Moving Mass+Typical air load mass - 0.6 gramsDiameter or axes/depth - 104 mm/50 mmFinish: Oiled WalnutMade in DenmarkDynaco Speaker Component Infohome.indy.net/~gregdunn/dynaco/components/speakers/Original grill covers includedNo stands includedLocal GTA pick up is Finch + Dufferin areaRead more at https://www.stereophile.com/content/dynaco-25-loudspeaker#E63xYbBIiMZhMZ1Z.99________________________________________________________________________________An excellent condition pair of vintage early 1970's Dynaco A-25 speakersFully working without any issues!Refinished cabinets sanded and re-stained with Howard's restorer!Grill covers in good shape!Dynaco A-25s have been something special for 50 years!Made in DenmarkOne of the first speakers to use rubber surrounds and not foam!The Dynaco A-25 aperiodic loudspeaker is a compact, high performance two way speaker system.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 uniquely non-resonant bass response.The aperiodic, or non-resonant characteristic of the A-25 provides an unusually uniform impedance characteristic throughout the bass range of less than 2 in 1.This design utilizes an acoustic impedance system which provides variable volume action rather than the totally enclosed cabinet of the acoustic suspension principle or the tuned port of the bass reflex.Dynaco's A25 loudspeaker were some of the most popular loudspeakers ever produced.More than 600,000 speakers were sold. Also, just do a search for Dynaco A-25 retrofits. find the instructions your hifi equipment Dynaco with search … All component drivers work well and sound great. They provided amazingly good sound for about $80 per speaker. Payment by Cash, EMT- Interac, or Money Orders accepted The sound quality is really quite astounding for their age and size. Covers are in great shape, with Logo badges. None currently for sale, but more MAY occasionally show up. Shipping is included to anywhere in Canada! A preferably vertical design with the panels on top and bottom and the black fabric grill covering the 3 visible sides. The woofers have Butyl rubber surrounds, as do all Dynaco speakers. These speakers do work flawlessly the entire time that they have been used since the 1970's. One of these is the Dynaco A-35 loudspeaker. IIRC the Morel MDT20??? This pair of very good condition original Advent Utility Cabinets in dark walnut wood grain vinyl finish. What do you guys use to replace the woofers and tweeters in these speakers if originals cannot be obtained? Cabinets show signs of shelf-wear, blemishes or corner damages but nothing major. The famous original fried egg Orange tweeters This greatly … Dynaco is the very soul of high fidelity audio. Sponsored post - log in to remove this ad. 3 position toggle switch on rear for tweeter control. Covers are in great shape, with Logo badges. The original Advent Utility Cabinets are in wood grain vinyl finish in nice shape. (1969-76) They provided amazingly good sound then and 50 years later still do! They do sound amazing and are all original That kind of magnet, while very excellent when new, looses force over time. : "http://www. All component drivers work well and sound great. Never used Speaker Stand Spikes (8 pc.set) For details. All Woofer surrounds were completely replaced due to foam disintegration back in 2015 I found these speakers to work just as well with low powered amps??? Dynaco's A25 loudspeaker were some of the most popular loudspeakers ever produced. Cabinets have little or no dents, scuffs or corner damage. Apollo, Atacama, Target Audio, Target HiFi, Custom Design, Partington, Quadraspire, Mission, etc. They provided amazingly good sound then and 50 years later still do! The A25 frames are screwed or glued in, so the removal is somewhat more difficult. var dc_PublisherID = 147427 ; Little kids love to press on them. Last time I checked you could still buy the seas woofer. Frequency Response: 30Hz to 15kHz ACE DYNACO DAVE has a verified PayPal account. The A26 se features a 10" specially designed low frequency driver with an untreated paper cone and soft rubber surround and a 1" textile dome high frequency unit with integral waveguide both made in Norway by SEAS, the original manufacturer of the Dynaco A25.. Modern sophisticated fourth order crossover networks executed … Top Rated Seller Top Rated Seller. I love the sound of that tweeter, but be careful with the silk dome. If you need them I have a pair of the 25F-EW woofers. home.indy.net/~gregdunn/dynaco/components/speakers/ This may be in part to lesser sensitivity from the Phils, but probably as much due to the un-forgiving transparency of the Phils. DYNACO A-25 SPEAKER NEW REPLACEMENT GRILLES & LOGO PLATES. Excellent for jazz and vocals and have quite decent bass! Seas offers a modern replacement for the tweeter, but I would never substitute anything for the woofer. Running EL34 output tubes. The original "fried egg" orange tweeters and Masonite rings and the square magnets woofers (new surround) are intact and working well and sound harmonically rich even as of today. Frequency Range - 1500 Hz to 20 kHz It was discontinued a few years ago. 3 position toggle switch on rear for tweeter control. Bose 901 Series VI Speakers Review. In other words, garbage in...garbage out....and they LOVE vinyl. Covers are in great shape, with Logo badges. var dc_AdLinkColor = '#009600' ; Total different look then the Dynaco A series! Cabinets show signs of shelf-wear, blemishes or corner damages but nothing major. Pair of Dynaco A-25 speakersOne of the first speakers to use rubber surrounds and not foam!The Dynaco A-25 aperiodic loudspeaker is a compact, high performance two way speaker system.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 uniquely non-resonant bass response.The aperiodic, or non-resonant characteristic of the A-25 provides an unusually uniform impedance characteristic throughout the bass range of less than 2 in 1.This design utilizes an acoustic impedance system which provides variable volume action rather than the totally enclosed cabinet of the acoustic suspension principle or the tuned port of the bass reflex.Dynaco's A25 loudspeaker were some of the most popular loudspeakers ever produced.More than 600,000 speakers were sold. The original woofers used an alnico magnet. Made in Denmark Dynaco's A25 loudspeaker were some of the most popular loudspeakers ever produced. The original Advent Utility Cabinets are in wood grain vinyl finish in nice shape. https://www.madisoundspeakerstore.com/approx-10-woofers/seas-prestige-a26re4-h1411-10-paper-cone/. The A25 is a two-way speaker with a 10" woofer and a 2.25" mid-tweeter. The Crossover The crossover closely follows the original A25 design, and is a model of simplicity. 12 watchers. Making good visual impression, grilles are well color matched, both with the original 1970's Advent logo badges! Moving Mass+Typical air load mass - 0.6 grams They have very clear smooth highs with no semblance with sold mids and very full bass. In a side-by-side, it literally sounded like the D20-XL are three feet closer than the A-25's. They were built with 8 uF capacitors. They have as much audible bass extension as the A-25's, and are much more open on the top Effective diaphragm area - 13 cm^2 "https://ssl." $250.00 firm cash price C $114.29. Additional Information: All component drivers work well and sound great. So here are a few updates on the A25.... 1) They seem to be remarkably sensitive to source material. The Dynaco A-25 aperiodic loudspeaker is a compact, high performance two way speaker system. The aperiodic, or non-resonant characteristic of the A-25 provides an unusually uniform impedance characteristic throughout the bass range of less than 2 in 1. The XL's also have the grills attached with Velcro which makes them easier to remove without messing with factory glue. These speakers do work flawlessly the entire time that they have been used since the 1970's. Jan 25, 18 9:00pm Cabinets have little or no dents, scuffs or corner damage. The A-35 was a refined improvement over its predecessor, the A-25. Cabinets have little dent only on one speaker corner Dynaco sold them from 1977 - 1982. They are 2 way with an 8 inch woofer and a 2 inch tweeter. The A25 is a two-way speaker with a 10" woofer and a 2.25" mid-tweeter. Seas has stopped using the old 25cm frame and now uses the 26cm frame. Showing how East Coast "Boston sound" should articulate. Get the best deals for dynaco a25 at eBay.com. But it is the same woofer! document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); 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 uniquely non-resonant bass response. Dynaco's A25 loudspeaker were some of the most popular loudspeakers ever produced. … These speakers have been meticulously cared for and only have one minor corner dent. I haven't done this myself on A25's so I won't say more for now. Grill covers in good shape! what they have for them is that they ae smooth and never harsh with decent bass. The companys manufacturing of loud speakers provided the world with a classic texture that can only be found in these restorations. The A25 is a two-way speaker with a 10" woofer and a 2.25" mid-tweeter. Dynaco A25 Loudspeakers. The Advent Loudspeaker | Stereophile.com This supplier was among the first in the world to offer fabric dome diaphragms, and did produce the diaphragm for the famous 1.5” Dome Tweeter H087, developed by Seas in 1968 for the This pair of excellent shape speakers on sale is in the original Advent Utility Cabinets with the nice color scheme in dark wood grain vinyl finish. Unique design incorporates hex section within the one piece construction. The tweeter replacement is the Seas 27TDFC. The original "fried egg" orange tweeters and Masonite ring woofers with new surrounds are intact like brand new! Made in Denmark Finish: Oiled Walnut The one thing I would do is upgrade the tweeter, replace the caps, replace the resistors with metal film and clean all the contact. 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 uniquely non-resonant bass response. I know, I had both damaged that way one time. The use of linear drivers with complementary roll off characteristics allows for excellent performance without the need for complex filter networks. Includes: Bought a pair of dynaco a25 , for $25, I dont know why but curiosity got the better of me,If your not familiar with them they use seas drivers One dome tweeter and a 10"woofer. Circa early 1970's Large Advent Speakers. Local GTA pick up is Finch + Dufferin area Specifications: The woofer connects directly to the binding posts, and the crossover relies on the natural roll-off of the 10" woofer. Also have a very Rare Dynaco D-20XL Audiophile Speakers They were made in Denmark (1969-76) Also the SCA35 is really about 13 usable watts. to the exceptionally high sensitivity and low distortion of the T35C002. The result is a rolled off, weak bass. However they are still making the same woofer only with a 1cm larger basket and a different number ID. I was looking at the Zaph SR71 first but I am looking for that vintage sound. Cut the old grill cloth the long way down the center of the frame. Even more extended range beyond what the A-25's can reproduce. More than 600,000 speakers were sold. Showing how East Coast "Boston sound" should articulate. SEAS A26RE4 H1411-08, superb classic woofer, new version of the Dynaco A25 25F-EW woofer (requires adaptation).. One of the best “classic” woofers presently being produced, the undercoated paper cone, matching natural rubber surround and 4-layer voice coil work perfectly together and give a smooth controlled non … Capture a Vintage Sound with Dynaco Speakers . I have used tape, rolled around my finger backwards. Cabinets have little dent only on one speaker corner All component drivers work well and sound great. More than 600,000 speakers were sold. This pair of excellent shape speakers on sale is in the original Advent Utility Cabinets with the nice color scheme in dark wood grain vinyl finish. These speakers have been meticulously cared for and only have one minor corner dent. This was and still is a very popular loudspeaker so there are lots of ideas floating around out there. *P363: I ended up going back into the ST-70 to install the 4-ohm taps. DYNACO A25 XL Vintage 2-Way Loud Speakers - Excellent Condition Rare Vintage. The famous original fried egg Orange tweeters The A26RE4 is the modern version of the once popular 25F-EW woofer used in the Dynaco A25 system. I don't think the Morel tweeter is available any more - last time I needed one I couldn't get it except ebay, and I did find some there. var pageTracker = _gat._getTracker("UA-277221-3"); Nominal power 60 Watts with a 6dB/octave crossover frequency of 1500 Hz Local GTA cash pickup preferred This design utilizes an acoustic impedance system which provides variable volume action rather than the totally enclosed cabinet of the acoustic suspension principle or the tuned port of the bass reflex.