Power needed for even very loud listening is minimal and my Stereo 20 With solo violin or with orchestra and organ the size expands and contracts as it does when you listen live. One of, if not the biggest fault, is the lack of sensitivity, as for my tastes 100 dB/1 Watt and better is the starting point. The HF compression drivers are Fostex D252 and are quite heavy at 3.3 kg each. Again, I mentioned earlier the A7 clone does not go down much below 40 Hz - the frequencies are there but much reduced (roll off). Cone speakers, in all sorts of boxes, also to my ear have faults which preclude them from being of interest to me. Music is the reason for our hobby and there are many approaches that make sense depending on our needs and wants. Beautiful Bach playing. The table at right explains the power needs of a system with differing speaker sensitivities. Note how the It reminds me of another HK blogger who would blog about good food and wine in addition to his admiration of 47labs gear, NOS dacs & Jordan single driver full range speakers. The cavities behind the horn to be packed with fibreglass wool. Average Score: 4.0 (4/5 based on 1 review) 1 user review: 100 %: 10/04/2005. The When I built the things I had a pipe organ in the same space which also, when played flat out, raised 106 dB. Shown at left is the back of the multi cell horn, with the Fostex D252 compression driver and manifold. Horniness is colouration brought about by either bad design of the horn or by resonances in the horn which amounts to the same thing. Except the end result is much higher volume in the A7 clones! Even small Lowther type horns have the ability to bring out realism in music albeit at reduced volume. Shown at left the bracing for the horn flare. Both have ALNICO magnets. the link earlier, Jon Leifs Saga Symphony, they cope well (usually visitors hearing this bit of music jump with surprise) as they do with Tchaikovsky's 1812 Overture, cannons and all. Imaging is spot on and the scale is as per the recording. I have been looking at BW801s for a while Following among others your impressions on them. Random daily quest: spot the Beck reference! Through a mutual friend, he acquired an Ortofon MC-5000 which had … Altec Inc. 210 Inverness Center Drive Birmingham, AL 35242-4834 Phone (205) 991-7733 Fax (205) 408-8601 can't think of one attribute or place where these horns are bettered by the panels. Messiaen later avoided this work but it is a centerpiece here. The moment I listened to the A7 clone I was hooked. Each horn mounts in a panel which is the width of the A7 cabinet. One change I will make is to set the HF horn between the A7 cabinets and that will be Part 2 of this article. when tapped, so either they needed to be damped or replaced with something else. The Bartok is also very good but I know it's not everybody's cup of tea. That is until my woodworking chappie rang me with a Le Tombeau was composed when mourning his mother's death and the anger is manifested in the successive bass drum blows. Sorry I have no experience of Arte Forma, but I shall make it a point to listen to them when I am next in Taipei. Altec A7 construction details. The A5/A7 cabinet is designed for thunderous midbass performance and amazing transient response. Altec Lansing A7 The Voice of The Theatre - speaker overview and full product specs on CNET. This is the only part of the cabinet build that takes any real skill. One inch or 25.4 mm throat, ALNICO magnets with Aluminium diaphram. The audiophile nuts that obsess with detail are well covered here due to the combination of high pressure drivers with efficiencies above 105 dB/W. My Altec Valencia's had the same 15" woofers with the Altec horn and compression driver as the A7 but packaged in a much more attractive furniture grade cabinet. Failing that in Europe or the States second hand ones are often advertised and can be damped externally. For a more complete discussion on this, Loudspeaker Power Handling Vs. There are some issues. Reviewer: Chris Templer - TNT South Africa Valhalla 2 and LTA atop Genesis Digital Lens. … This version of Altec Lansing 305 S Manual compatible with such list of devices, as: 305 S, 508 S, 510 S, A7 … I have been participating on the internet in various hifi sites for almost 20 years. Doctor John, do you have any experience or exposure (from audio shows or word of mouth) of Arte Forma tube amps based out of Taiwan? Note the pair of Amperex USA 7119 seated in adaptors. For peaks see Jon Leifs Saga Symphony and beware your computer speakers! 5 years ago. A problem here is to find a sub that can match the speed and supply the volume to blend in with the A7 clones. Anonymous. A. A lot of the gears have been sold or consigned to friends. The Stokowski A7 speakers are gorgeous, and look deceptively small in the small room Jeff uses them in. It's difficult to categorise, other then to say that his music is informed by garage, bass music, hiphop, glitch and the current deconstructive tendencies in club music. work well too and so far I have found nothing that they don't play well. The speaker did all it was supposed to - 30 Hz to ultrasonic, wonderful micro dynamics, the timbre fine - but incapable of playing at elevated or c… I enjoy your food & wine pics as much as the audio gear! Not for the faint of heart. While I was in HK, I had 2 locations. Along the line I acquired a pair of NOS 15" Goodmans Audiom speakers and decided that, while one set of A7's is good, two must be better; so I commissioned another pair of cabinets. The picture of the final Goodmans A7 clone with multi cell at right. The album mixes vocal and instrumental works, all sung and played with great beauty. The music is strange , best known in HK for 大鼓跌落地. can be found here, What's in your Music, a more advanced work on loudness control by pianists (the piano is used here only as an example of sound pressure levels) Kinoshita et al. Ugly, but they sure put out some fine sound. (Click image for Bandcamp link.). Cheaptubeaudio prioritizes coverage of unusual and rare gears, particularly vintage ones, on which little info can be found on the internet. I wouldn't have been surprised to see plastic here. Reviewed: June, 2016. Altec 291-16C HF driver, fitted with 16ohm aluminium GPA diaphragms. What this translates to with the A7 Clone is very low wattage for more than enough volume. If you stand next to someone playing a concert grand piano expect upwards of 103 dB - a pipe organ Voice coils Aluminium, 100 mm for the Fostex and 75 mm for the Goodmans. Six months ago I had the chance to acquire a pair of Altec A7 clones with Fostex 16" main driver, HF driver and metal horns and a JBL bullet tweeter as a part swap for the Tannoy 12" rear loaded horn I had built, DIY 12" Tannoy Horn. Because of the corrosion of the metal horns, plus the ringing problem, I decided to have wooden multi cells made up. Altec A7 all the original drivers, the Cabinets have not been remade, the MDF box is not made of pulverized pulp, and the back of the barrel has an H symbol symbol after the barrel.Cash only plse no shipping only pick up at localTks interestingHung nguyen When the other cabinets are in there should be a 3 dB increase in bass sensitivity. | Listening tests | DIY & Tweakings | Music & Books ], Loudspeaker Power Handling Vs. Now imagine this played as loudly as it would be if you were standing there. It's being driven by a 15 inch Electro Voice EVM-15L series ll … Dynamic Force Woofer. 30. Controls are for HF and Treble gain. Altec, JBL and even Westrex drivers are advertised on the net, at a price. Overview Dynaco, PAS 3, Conrad Johnson PV-5, Happy New Year, Old Dogs, Loudspeaker Finish. The Fostex clones were fitted with 16" L475 Laboratory series units and the extra set of cabinets with 15" Godmans Audiom 81. Save altec a7 to get e-mail alerts and updates on your eBay Feed. Today. There were two versions of the Valencia: the 846A and 846B. There are many ways of building horns if, like me, you like DIY. Sensitivity is 105 dB/W via the original metal horns and are now slightly better than that with the multi cells. driven with 5 W. With a bit more they can be thunderous depending on the program material. This was my first and last home encounter with an electrostatic speaker (of a very well known and thought of make). These speakers had obviously done a lot of work as the wooden cabinet had outward scrapes and the HF Aluminum metal horns were somewhat corroded. Nothing is perfect, but there are ways to overcome most problems and the biggest one here is the size of the cabinet, not so much for how the cabinet works in a small room but not many wives would put up with a pair of these in her sitting room! This was huge, standing 1.8 meters high with two 15" Monitor Golds per side and supplemented by ribbon speakers to assist mid range and treble plus super tweeter. Then the voice coil heats up and the efficiency goes down even further. Sorry, I know this sounds opinionated (synonyms for: dogmatic, assertive, arrogant, etc), but where would we be without having our own views? The "real" Altec Lansing Lansing Heritage. This Blog however covers a lot more than SET, and is not exclusively tube-related. Exclusive High Frequency Sectoral Horns. The Fostex HF compression drivers have a manifold and the manifold connects to the wooden horn. The playing is highly sensitive and sound excellent. The dynamic response from this type of cabinet can not be overstated, it is enough to cause visitors to actually jump when there is a drum strike. drivers. The Voice Of The Theater range started in 1946 (one year before me!) The Fostex A7 clone is being clad with Imbui finish, the walls thickned to just over 32 mm, likewise the horn flares, the flares being reinforced with extra ribs at the same time. Inside the main cabinet, however, all was pristine, likewise the HF drivers themselves are in excellent condition internally, outwardly the paint was a bit worn. How much is the EL34PP? Full-Function Preamplifier (RCA/Single Ended), -----------------------------------------, 覺得還可以的話，大可用心寫點東西，發表在那裡不重要，會是貢獻。但是，漫不經心地轉載或亂貼圖片，可以不必了吧！世界上啥都缺，就不缺二手報導和垃圾！, Doctorjohn Cheaptubeaudio: Audio Reviews and More, Classical Music - CD/SACD Recommendations, Review: Elekit TU-8500 Full-Function Preamp, Part I, Amp Builder Spotlight: Lance Cochrane, Oliver Sayes, Radu Tarta, Follow up on WE Amp , JBL L300, Rayaudio's Class A mono amp, Philips LHH2000 and the humble K-16 BT device, Kyoeon You Sheng Heng H-9A Meridian Explorer Waveguide for Laptop, Wattson Audio Emerson Analog Streamer by Engineered SA, Schiit Valhalla 2 as Preamp Tube Rolling 6DJ8 6CG7 7119 Tube Adaptor, Full-Range Drivers, Audio Nirvana, Tonewin, Lowther, Cabinets, Mark Audio, Voxativ. Cost: totally dependent on your wallet I'm particularly interested in their push-pull EL34 25 watt integrated amp.http://www.arteformaaudio.com.tw/. While the Biber Requiem is excellent, the other unknown works are the real surprises. As in everything, it's up to your ears and pocket! Not only that, in many places (like the depiction of witches) to me it bests the original. The big, black enclosure in the overhead pic is an Altec A7 combination horn/bass reflex enclosure. Leak copes runs with the same drive from the preamp as do the 12" Goodmans Axioms in rear horn loaded cabinets. The 16 year old American is now based in France. Down now to the nitty gritty of drivers. Very early Altec 1505 Multicell horns Jean Hiraga A5 crossover networks A challenge of any full range speaker system is flat response across the frequency range. There is a new room correction system that holds out some promise, Dirac Room Correction, which might be worth a try, especially as they offer a free trial period. The price and usability also get good feedback, but comments are divided on the reliability. Incredibly refined playing that brings out all the moods. Don't forget to tell me what you use, and what do you think of the sound, and reservations if any! 15 ALTEC reviews. Review: Elekit TU-8500 Full-Function Preamp, Part I Overview: Elekit, Part II ... By mrgoodsound Time for some cheap tube audio! Mounting the driver back in the cabinet also helps time align the HF driver which, mounted on whatever horn used, is fairly long. Get the best deals on Altec A7 when you shop the largest online selection at eBay.com. Loved every minute of it! For the Imperial or Metric challanged 25.4 mm = 1 inch. I can reach and touch the controls of the preamp. The speaker did all it was supposed to - 30 Hz to ultrasonic, wonderful micro dynamics, the timbre fine - but incapable of playing at elevated or concert level and very poor in macro dynamics. ... 1-Altec VOICE OF THE THEATER A7 With N 500 G Crossover 416a 15” Woofer 802d Horn. By definition, then, the one on the left is an A7 type. --------------------------------------------. This early all-string album is highly atmospheric from the first note, performed by a starry roster. I'd dare audiophiles to play this disc without blowing out their woofers. I realised that it had been connected up wrongly and was barely making a sound. All Altec designs rely on this feature. The Fostex is 8 Ω, the Goodmans 16 Ω; the Fostex is rated at 150 W, the Goodmans at 25 W. Sensitivity for the Fostex is given as 100 dB/W and no rating for the Goodmans, but listening to them they at least the equal of the Fostex. People are impressed by the size and design. To be able to reproduce these properly at concert levels requires a fair bit of headroom in a system. The average rating for this product is 2.7/5, compared to an average rating of 4.1/5 for other Computer Speakers for all reviews. The perpetual myth of horniness that horns speakers are supposed to suffer from just doesn't happen. The Altec-Lansing Valencia 846B is an American audio classic that inspired the development of the legendary Model 19. Fostex made these cabinets and the only difference that I have been able to find is that their design is 100 mm smaller front to back. With very loud thumping bass the 15" cone just trembles, the total cone excursion is less than 2 mm at stupidly high volume. Wunderbar! Weight is 285 kilograms each! Piano can be very demanding of a system, The Devil's Staircase by Gyorgy Ligeti is an indication. I have never heard a speaker system that reproduces the venue ambiance as well as these horns do. A7 speakers pdf manual download. They undergo frequent changes (in particular the analog playback setups). Horn Speakers Diy Speakers Speaker Plans Altec Lansing Construction Drawings Audio Sound Speaker Design Diy Electronics Loudspeaker. Looking at things now makes one really weary of the word "progress". To my joy, if anything, the new cabinets performed as well, but with a touch more bass and that left me a bit bemused. There was some hype that Altec Lansing had re-released the Legacy A7 VOTT, but subsequent Internet searches came up blank for an actual sales point. I use long interconnects between the preamps and amps to facilitate this matching. 0 0. For sale is a pair of completely rebuilt Altec Lansing A7 VOTT speakers plus a centre channel speaker with the same components. These date to 1968 and I have made certain modifications to the build and not to the actual design. driver is partially covered by the horn - this is very important as it mass loads the front of the driver. The average rating for this product is 3.7/5, compared to an average rating of 4.1/5 for other Computer Speakers for all reviews. After six months of listening to the Fostex A7 cabinets (leaving the HF section aside for now) I was very impressed with the clarity, dynamics and punch delivered so, when the time came to send those away for cladding in Imbuia and replacing them with the new Goodmans clones, I was a bit worried. Recomposition of this scale goes way beyond the norm and this is my album of the year! The A7's body is aluminum, which isn't entirely expected in this price range. To purchase A7-500/A7-500-8 spares or accessories, please contact the company via their website or visit an authorised retailer. A7-8 "The Voice of the Theatre" Speaker Components. This website is not affiliated with or sponsored by Altec Lansing. Find helpful customer reviews and review ratings for Altec Lansing Comfort Q+ Bluetooth Headphones, Active Noise Cancellation, Comfortable, Quite, Noise Cancelling Headphone, Up to 26 Hours of Playtime, 30 Ft. Wireless Range, Black at Amazon.com. View and Download Altec Lansing A7 owner's manual online. The idea came from the picture below left and is of an early Altec A6 stacked pair. Go here https://tr.im/QzmLp. There are different ways to make these, my woodworking chap made each side of the individual horns from solid wood and then glued and screwed them together. Altec Lansing 305S Specifications. Altec A7. A free inside look at company reviews and salaries posted anonymously by employees. These are a very solidly built set consisting of two all wood cabinets, two H-811 horns, two 802d HF compression drivers, 2 803a LF 15" woofers, and two N-800-E cross-over dividing networks. A reasonably simplistic primer in what your system needs to be capable of Except for the weight of the finished cabinets! Explore. Jeff's A7 speakers were originally built up by Altec Lansing as a furniture pair for Leopold Stokowski, who worked with Altec on some of the first public live vrs. Some peak levels close to percussion instruments. I feel a great affinity to this blog, as in addition to sharing an in... Letter from Shenzhen (21-5): doctorjohn muses on Internet and Data Usage Kyoeon 友昂 (You Sheng Heng 友聲恆) H-9A Bluetooth vs Meridian Explore... Letter from Hong Kong (21-3): Eric L on his New Streamer Wattson Audio Emerson Analog Streamer by Engineered SA My pursuit of NAS has not ... Click pic to enlarge. Surprisingly fluid playing of these very well known pieces. If all you listen to is Jazz or Rock then a sub is not really needed, but it's nice to have. Questions NOT related to an article/review. I hav... Elekit on top of Flying Mole CA-S10. We analyzed user and expert ratings, product age and more factors. Sure there were glaring faults, the previous owner had the HF drive screwed right up and the tweeter was mis-connected, but right off the dynamic drive made everything else I had listened to before seem wimpy. The "older location" was where my reference was. The multi cells are simple exponential flares kept small and solid as can be seen in the pictures. I have only once in fifty odd years of hifi, ever owned a commercially built speaker and it left precipitously in a box, as a present to a friend. Fortunately, Oli XL never pushes the latter too far and pays attention to keep the groove intact. Alignment issues, such as the forward mounting of the JBL tweeter/super tweeter which of necessity has to be in that place. best amp to match with them ? For the last 15 years I have played around with Tannoy Autographs and ended up altering the design and building what I called the Double Autograph. There are now 3 main Stations in my listening room. recorded performances at Carnegie Hall. One last link for the terminally insane: Ancient Audiophile. That aside what it really comes down to is absolute and total effortlessness in reproduction. They are crossed over at 600 Hz and run up to 7 kHz where the JBL075's take over. B. For that I got slightly over 100 dB efficiency and the ability to play sustained organ music at 106 dB at 6 meters, if I wanted. Both have a resonant frequency of 25 Hz, but from there everything is different. I grew up with a set of Altec 846Bs in the living room and over the years have owned both A7 VOTT's and Model 19 Studio Monitors. This means the time needed to move the cone backward and forwards is reduced which equates to speed. Free shipping on many items | Browse your favorite brands | affordable prices. The CD was not issued by RR, but rko, and I think has been discontinued. For the well heeled GIP Labs in Japan or GOTO-Units. Best to listen together with original work. philvan's review (This content has been automatically translated from French) 4. Vida (separate MM and MC inputs) for the Linn LP12 and Technics SL-1200. The JBL075 tweeter was a concern until problem. Having a loudspeaker that can cope with any dynamic demand at concert level is without price. The tweeter will stay more or less in the same position height wise in the horn mouth of the second cabinet. Pristine piano sound. Small more intimate works [ Home | Staff & Contacts | HiFi Playground | Listening tests | DIY & Tweakings | Music & Books ], Product name: Altec A7 Clone With period style violin playing and fortepiano the sonorities are very different. JBL, Peavy and VitaVox plus many other make compression Music is the reason for our hobby and there are many approaches that make sense depending on our needs and wants. It shares many similarities with the newer and larger Model 19. Ives, bartok and Messiaen make challenging listening, rewarded by a beautiful Bach at the end. can reach far above that even on a Cathedral floor. This was my first and last home encounter with an electrostatic speaker (of a very well known and thought of make). The setting on the HF control is -20 dB from maximum as the HF/multi cell combination is much more sensitive than the bass side. This construction may seem like violent overkill, visually it is at just under 1.5 meters high and 0.8 meters wide. Any can drive the same amp and loudspeakers. Both types, however, work essentially the same with almost no visable cone movement, even at very high levels with thumping bass.
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