Neither show any cone movement even when faced with really big bangs and crashes; the Liefs Saga Symphony, for example, and rock music is tame compared to that. I like the EV-T350 tweeters.You will need some kind of super tweeter to fill in above 15,000-16,000 Hz. The "real" Altec Lansing Lansing Heritage. This change did improve the quality of the bass. Note JBL 075 on top of Altec A7, Fostex Fullrage in DIY cabinet. They are just sitting in the cabinet for pictures, and are not mounted yet.”, In the photo above you can see where Gary stuffed the bass driver horn cavities with high-density fiberglass to damp the sidewalls of the horn. Part 1. 62 watchers. I have received cabinets completely out of square, leaning to one side or the other by as much as a half-inch top-to-bottom. At this point the classic 825B bass horn cabinets are finished. Gary told me that there were over 250 subcontractors that provided Altec-Lansing with bass horn cabinets for the Voice of the Theatre loudspeaker systems over the years, and those cabinets varied considerably in the materials used and their quality, as well as the quality of construction of the cabinets, and how well the cabinets met Altec’s specifications. Page 6: Assembling There is a fair amount of debate among Voice of the Theatre enthusiasts as to which is the most desirable of the vintage Altec A7/A5 bass horn cabinets. SOLD as package or separately . The cones appear to be original and other than the typical gravity effects on the surround adhesive are in Good Cond. Meditations on High-Fidelity: A brief history of equalization in the recording arts and its relevance to audio enthusiasts today. Finally, the cabinet was comprehensively braced to maximize rigidity and minimize unwanted resonances. Neither show any cone movement even when faced with really big bangs and crashes; the Liefs Saga Symphony, for example, and rock music is tame compared to that. I don’t think there is a need to mechanically block off the horn side cavities, as they are tightly stuffed. The next generation 828 bass horn cabinets were made of either 5/8 or 3/4-inch particleboard, and were more heavily braced than the 825 cabinets. I would go with the 828 cabinets (A7). One thing that I really appreciated was that Gary sent me photos and kept me informed about what he was doing as the restoration proceeded, which really gave me a greater understanding of the A5 Voice of the Theatre loudspeaker system, and what was involved in restoring it. Note JBL 075 on top of Altec A7, Fostex Fullrage in DIY cabinet. Small horns do not have drivers. Explore. I have seen cabinets literally hollowed out by termites, with renders the cabinet to firewood.”. That takes a good ear and the ability to re-engineer what we have to work with.”, In the photo above you can see the 825B cabinets after they “came out of the finish & rough-sand stage, and ready to go to the scuff & polish stage … you can see we fabricated the 25 1/2 by 8 1/4 port you requested. Altec Lansing A7 The Voice of The Theatre - speaker overview and full product specs on CNET. Now we have a new audience listening to these components, using them for something they were never designed for – high-end audio – and we’ve discovered the need for refinement to get the best sound out of them. Cabinet: Altec A7 It should be noted that these are not the drivers used in the original Altec VOTT A7. The crazy-looking horn speakers have a fan thing-a-ma-bob on top, I'm assuming for high frequency, and a 15-inch unit for rumble, and maybe a bit of mid-bass. Recent Changes to my Altec A7 Speakers: Subsequent To the discussion above I have stiffened the front panel of my A7 speakers. While popular with some enthusiasts, Gary considers the 828 bass horn cabinets to be “Junk!” and steers clear of them. Take this out of my garage this week and the A7 cabinet will only cost $25. Horn Speakers Diy Speakers Speaker Plans Altec Lansing Construction Drawings Audio Sound Speaker Design Diy Electronics Loudspeaker. But for now, I'll say this: Altec, face it, you make computer speakers for Dell now. Consider the Iwata 300 instead, if you search on VOTT here, you will see such an upgrade. Now, that is a deal. There are also Electro-Voice HP640 horns, Altec MantaRay horns (long throw) and a single Altec 511b horn with a 802 driver and N501 cross over available. In my next post on Gary’s restoration of the A5 VOTTs I’ll cover the 515B low-frequency drivers, the 288C high-frequency compression drivers, and the 1005B high-frequency horns. Then they go into the paint booth for repainting. The earlier 825 bass horn cabinets used a two-piece rear panel, with the top panel being removable, and with the Altec plans specifying 5/8-inch thick plywood for the cabinets. Wouldn't you say speaker design has advanced since 1950? At least the JBL 4560 cabinet is a much better midbass cabinet than the A5 or A7 have. First the top, sides, and bottoms are refinished and painted. The 825 horn/port enclosure was used in the A5 and A7, and was replaced in the 70s by the 828. Audio Note (UK), First Watt, Manley Labs, Pass Labs, Triode Lab, Sophia Electric, and other stuff! This is a nice companion to it.Put a pair of this on top of your A7 cabinets, they will look nicer.very well built and finish in beautiful walnutsize: 30" x 24" x 17" (built to exactly match to Altec A7 cabinet)Big and heavy, local pickup onlyPS. Gary strips and refinishes the cabinets in a process that he says is “… very similar to refinishing a automobile.” First he takes the existing finish off to see what he has to work with. Gary picked out nice examples of the 825B bass horn cabinets for restoration for my A5 Voice of the Theatre loudspeaker system. In fact, professional speaker manufacturers (such as L Acoustics in Europe) are now going back to 'line source' speaker designs, creating 'line arrays' which are a completely different way of making and arraying speakers in concert configurations, which dates back to the original high-output loudspeakers made in the early 1900's. The front panel of my cabinets was a bit flexible. If I had your skills and knowledge, I'd trick them out to the max and then demo them at an audio show. John said a port area of 25.5-inches by 8.25-inches turned out to be nearly ideal for his A5s. The 200-watt speakers are handmade, cost $6100 each, and take 8-10 weeks to deliver. Altec A7 construction details. /\7-500-8 Speaker Components Two-Way Speaker Components for Small Enclosures. All material within this site is copyrighted and can not be reprinted or used in any form without our express written permission. My question is, is it worth a punt? On top of the rack, from L to R: Sun Audio 2A3, VPI Prime, CJ MV-75. Honestly, I think you can do a lot better with a more modern design. Gary told me, “I have seen cabinets repaired with automotive body filler, hot glue, and epoxy, none of which truly bond to the wood. © 2021 Positive-Feedback.com. Exclusive High Frequency Sectoral Horns. Today. ... an expertly restored pair of Altec Lansing A7-500 ‘Voice of the Theatre’ loudspeakers can be bought for around $3000 USD. At $4300 a box, you could buy a lot of bose for that ;) Maybe A7.1 would be a more accurate model number. Log in. $3,900.00. The cabinets and grills are in great shape as is the Horn. In fact, the reissue ships this way, and the user remounts the horn on top for best sound. $600 for the pair. Sound GREAT. Free local pickup. The goal would be to become THE go to Altec A7 mod guy. $700 takes all. Both the Fostex and Goodmans work well as separates and combine into something better. Saved by julia day. This was my first and last home encounter with an electrostatic speaker (of a very well known and thought of make). Any suggestions as to alternative cones/crossover would be greatly appreciated. All Rights Reserved. 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. Category. So you might say loudspeaker design is moving backwards, not forwards. The A5/A7 cabinet is designed for thunderous midbass performance and amazing transient response. IMHO. Pre-Owned. The earlier 825 bass horn cabinets used a two-piece rear panel, with the top panel being removable, and with the Altec plans specifying 5/8-inch thick plywood for the cabinets. Altec A7 Voice of the theatre cabinets and horns. 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. as a DIY project that has to be done on the cheap. I made a strongback from doubled up layers of 3/4" plywood, which I front mounted to the original panel. Peavey components. In particular, John Stronczer said that in the older cabinets like the 825, he thought they needed to have the area behind the short horns closed off, as well as having the port area closed off by up to 50% to perform at their best. Altec Crossover N-800-F. More Items From eBay. I guess Altec did not care. Full Range & Duplex Speakers. The above Altec 604e Duplex drivers were removed from the cabinets they were originally installed into. Low Frequency Woofer – 15” Model 515-8G Molded cone. /\7-500-8 Speaker Components Two-Way Speaker Components for Small Enclosures. Both the Fostex and Goodmans work well as separates and combine into something better. I'll apologize if someone can edu-ma-cate me to the farks. There is a fair amount of debate among Voice of the Theatre enthusiasts as to which is the most desirable of the vintage Altec A7/A5 bass horn cabinets. Gary’s first step in the restoration process is the cleaning, stripping, refinishing, and repainting of the bass horn cabinets. Beneath, from L to R: TEAC UD501 DAC and Luxman C32 preamp; Luxman CD-S300; and CJ PV5. Altec A7s are plentiful and very few haven't had some work done on them at some point in time. Meditations on High-Fidelity: Andy Moore shares his audio insights from the Land Down Under! Gary told me, “I stuff the bass driver horn cavities with high-density fiberglass to damp the sidewalls of the horn, and I use 3.5-inch fiber glass on the back and the floor of the cabinet to control cabinet resonance. Music is the reason for our hobby and there are many approaches that make sense depending on our needs and wants. Anyhow, in 1973, Billboard mag claimed they were the most popular studio monitors in the country. Complete package $1000.00 . Altec A7-500 in a beautiful furniture walnut cabinet with a curved wood art type front grille. Some audiophiles think the 828G version is the flattest. Recent Changes to my Altec A7 Speakers: Subsequent To the discussion above I have stiffened the front panel of my A7 speakers. Altec A7 825 cabinets v 828 cabinets. Gary told me that he sanitizes and power washes the cabinets, sending “Fifty years of historic dirt and grime down the drain!” The clean 825B bass horn cabinets are then air-dried by large fans for a day. It can make restoring something that was never right in the first place a challenge!”. Dynamic Force Woofer. I've been a fan of the original Altec A7 "Voice of the Thetre" loudspeakers since childhood. Altec 1968 Enclosure Design Guide with Plans for A7, Valencia and Maluibu Courtesy Paul Barello © Altec Lansing Technologies Beneath, from L to R: TEAC UD501 DAC and Luxman C32 preamp; Luxman CD-S300; and CJ PV5. All. Whether the cone is made from cardboard or hemp or the tweeter from steel or diamonds, they're pretty much operating on the same principles. Each contain their original and genuine 416A 15" Woofers, 802D Drivers, 511B Horns, with N500E Crossovers. ! I have the opportunity to buy Altec A7 cabinets ($100 a pair) and Horns ($260 a pair) without any cones to either. Re: Converting A7 cabinets into MLTL To technically call it a A5 you would need to use the 515 woofer with the rest of your components. WTF!? Location: San Antonio Altec 1968 Enclosure Design Guide with Plans for A7, Valencia and Maluibu Courtesy Paul Barello © Altec Lansing Technologies Altec, Peavey and Hammond components. shape with no tears, crinkles, , separations, distortions, splits or major stains. VTG 60s-70s Kent Sterling Enamel Birthday Cake Charm. They've been designed to accoustically match the originals. or Best Offer. The diaphragm on the compression drivers is most likely a replacement different to the original. The earlier 825 bass horn cabinets used a two-piece rear panel, with the top panel being removable, and with the Altec plans specifying 5/8-inch thick plywood for the cabinets. This change did improve the quality of the bass. Gary plugs all the holes with cut dowel rod and wood filler, and then applies surfacing material, and block sands them to a flat surface. Consumer Electronics; Vintage Electronics; ... Altec 604 E in Super Big Red Cabinets with Mastering Lab Crossover. First the A7 cabinet was tested for frequency response. 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. The enclosure was given the model number 210 and two systems were developed based on different configurations. Include description. Page 6: Assembling In the photo above you can see the 3.5-inch fiberglass that Gary installs on the back and the floor of the 825B cabinet to control cabinet resonance. ALTEC A7 Speaker with Wings (416Z / 804A / 511B / 500D) Worldwide Shipping The A7 horn is pretty mediocre at best as well. The Magnificent were essentially Voice of the Theater A7 speakers, but housed in a gorgeous walnut cabinet meant for studio or residential use. Match the originals?! The speaker did all it was supposed to - 30 Hz to ultrasonic, wonderful micro dynamics, the timbre fine - but i… As for the port opening, I will cut a new piece of 3/4 plywood with the opening dimensions John suggests and install it in the port opening.”, Gary also told me, “In the fifty-something pairs of 828 and 825 cabinets I have serviced, none of the horn side walls were blocked off, and not even damped by anything, which in my opinion, was a mistake by Altec. There is a fair amount of debate among Voice of the Theatre enthusiasts as to which is the most desirable of the vintage Altec A7/A5 bass horn cabinets. Related: altec voice of the theater vintage speaker cabinet altec 604 altec crossover jbl cabinet altec a7 altec horn altec vott. Soldiering On with The Audio Handymen and Altec Letter from NYC (71) 2017 (10): One Fine Day with Altec's It was then that they were known as the "Voice of the Theater", distinguished by being the only commercially-available speakers approved by the Research Council at the Academy of Motion Picture Arts and Sciences. Altec Lansing's A7 speakers were hot shit in the 1950s through the 1970s. Restoring a pair of vintage (ca 1972) Altec Lansing A7-500W. Someone clue me in. New Idea in Speaker Cabinets.. Altec Bookshelf Speaker Systems Altec Patio Speaker. Love your Altec A7? Gary told me that a lot of Altec cabinets have been sitting in theaters for fifty years with little or no maintenance, so they have collected fifty years worth of dust, grime, spider webs, bugs, and the like, so the first step is a good cleaning of the cabinets. Strictly speaking, speaker design has not, in fact, advanced a whole lot or changed significaantly since the 1950s. Click pic to enlarge. Altec 825 bass horn cabinet drawing from Altec's loudspeakers enclosure guide. On top of the rack, from L to R: Sun Audio 2A3, VPI Prime, CJ MV-75. Don't try to make us pay five-figures for a pair of 1950 speakers from your better days. Cabinet – Model 828 This A7 Loudspeaker cabinet enclosure is hand made from 13 layer Baltic Birch and covered with a durable black splatter finish. Gary thinks the best of the 825/828 bass horn cabinets built were the 7-plie plywood 825B cabinets, and he picks the very best of those for his restorations. Why are these fugly monitors worth this kind of money? The original design of the A7 cabinet is very good and using a non Altec driver seems not to matter. The plans are all over the net, I've seen some made. You are currently viewing our community as a guest which gives you limited access to view most discussions and access our other features. Full Range & Duplex Speakers. Altec Early A7-800 Cabinets Pair Vintage Audio Theatre. This is a half space measurement in less than ideal conditions. Much more suitable for homes even if it is huge. The original design of the A7 cabinet is very good and using a non Altec driver seems not to matter. A7's were hot when a 100 watt per channel amp was New Idea in Speaker Cabinets.. Altec Bookshelf Speaker Systems Altec Patio Speaker. 31. Altec Lansing A7 Speakers [Altec Lansing]. A7, A7-500, and the reissue have option to mount the horn in the bass port. Altec A7 816a 15 Inch Speaker Cabinets - Black Carpet. But Altec was not looking for pure sound, they just stuffed these Voice of the Theatre loudspeaker systems behind viewing screens around the world, and they remained there for decades at a time. Positive Feedback, A Premier High-End Audio Magazine – articles and reviews of loudspeakers, amplifiers, streamers, servers, headphones, DACs, preamplifiers, cables, tweaks, CD/SACD players, turntables, cartridges, tubes, music, and more! A7-8 "The Voice of the Theatre" Speaker Components. Location: San Antonio READ CAREFULLY BEFORE ASKING QUESTIONS . The front panel of my cabinets was a bit flexible. Then Gary strips, refinishes, and paints the low frequency horn section. More information... People also love these ideas Pinterest. I've been a fan of the original Altec A7 "Voice of the Thetre" loudspeakers since childhood. The Pass Labs XP-17 phono preamplifier article is now live at Positive Feedback. Built from Altec plans. Low Frequency Woofer – 15” Model 515-8G Molded cone. The "real" Altec Lansing Lansing Heritage. Altec Lansing 511B 511-B Voice Of The Theater Horn NEW. Altec Lansing's A7 speakers were hot shit in the 1950s through the 1970s. 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. As I promised in my Part 1 blog post, using the A5 VOTT loudspeaker system that Gary Fischer restored for me as an example (below), I’ll describe the details of Gary’s restoration process. This is garage cleaning time!! Altec A7 voice of the theatre cabinets. Cabinet – Model 828 This A7 Loudspeaker cabinet enclosure is hand made from 13 layer Baltic Birch and covered with a durable black splatter finish. Click pic to enlarge. Comments by Customers. I totally cut and paste that, and I feel dirty for it. Pair of A7 commercial variant professionally built cabinets loaded with JBL model 2225H 15" 8 Ohms low frequency drivers ( Woofers ) with Pair of Altec Sectoral Horns model 811B with Pair of Altec High Frequency drivers model 808-16A 16 Ohms and cross-overs . Sound GREAT. The Altec Lansing A2 'Voice of the Theatre' loudspeaker combines two 210 low-frequency cabinets with four 515E drivers, and one 1005B horn with two 288-16K high-frequency compression drivers - a theater classic! It is a studio variation of the Voice of the Theater. Welcome to Hostboard.com. Jeff's A5 VOTTs as restored by Gary Fischer. Soldiering On with The Audio Handymen and Altec Letter from NYC (71) 2017 (10): One Fine Day with Altec's I made a strongback from doubled up layers of 3/4" plywood, which I front mounted to the original panel. Gary told me, “This step is always very time consuming to get it right. Dynamic Force Woofer. I remove the rear driver mount plate to simplify the process (and it is always loose in every cabinet), and then I reinstall it with wood glue and drywall screws to eliminate any resonance.”, Gary went on to tell me, “The various cabinet builders Altec contracted (and there were hundreds), apparently had very little quality control when building the cabinets, and no two cabinets came out the same. Loudspeakers still use whopping great magnets to drive a coil or wire, which is wrapped around, and moves the cone or tweeter. A7-8 "The Voice of the Theatre" Speaker Components. My brother completely redrew the plans based on all the original Altec drawings he could find from the original 825 to the latest 828 cabinets. By joining our … The thickness of the plywood used also varied from cabinet to cabinet. Full-Range PA Speaker Cabinet Altec Lansing A7: 31 images and 1 user review 1960's Enclosure Guide: 1968 Enclosure Guide: 1970's Pro Enclosure Plans: 1974 Enclosure Manual Exclusive High Frequency Sectoral Horns. Comments by Customers. While Gary was in the process of stripping, refinishing, and repainting the cabinets, we discussed some of the modifications mentioned in John Stronczer’s (Bel Canto Design) article in Sound Practices Issue 11 about adapting the Altec A5 Voice of the Theatre to home use. Altec Lansing's A7 speakers were hot shit in the 1950s through the 1970s. Altec 291-16C HF driver, fitted with 16ohm aluminium GPA diaphragms.
The Six Million Dollar Man: The Moon And The Desert, Tcl 50 Inch Tv Wall Mount, What Happens When Wolves Were Removed From Yellowstone, Sims 3 Performance Mod, Sharps Bros Handguard, Bolt Football Holdings, Denon Avr-x3700h Vs Marantz Sr5015, Lucian Name Meaning Urban Dictionary,