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Designing a Rack Mount Preamp with Colour Pt. 2 (Video) Back in April when I announced that I was working on rack mount mic preamp kit, I was unsure of the direction to take.
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Vintage Altec Design:1212, Portable Control Gaming console, Made in USA
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Traditions solutions and international tracking offeredNOS ALTEC 9200A System Mixing machine AMPLIFIER Airport STRIP VINTAGE UNUSED RARE
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Traditions providers and worldwide tracking providedALTEC KYOTO Program Console Keypad Handheld with Wire
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Altec 9300ACD Control System Specification Data Sheet.Initial.
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Altec Lansing 9300ACompact disc Pro Studio room Mixing Handle Gaming console Rare Dealer Leaflet
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Altec 1690 Mixing up Console Specification Data Piece.First.
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Altec Lansing 9200A Professional Studio Mixing Control Gaming console Rare Seller Sheet Web page
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Rare Orig Factory Altec Lansing Leaflet Speakers Mics Handle Games consoles amp; Even more
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Primary Factory Altec Lansing 1200A Control Console Owner's Instruction Guide
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Initial Factory Altec Lansing PS2100A Mixing Console Proprietor's Coaching Guide
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Classic ALTEC operating coaching manual - MODEL 1210A CONTROL System
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Rare ALTEC 250 SU Broadcast Console Mixing machine With 9470a Mike Preamplifiers
Legendary device, with first guide
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From United AreasCustoms services and international tracking suppliedAltec Kyoto System Gaming console As Is certainly
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Primary Manufacturer Altec Lansing 1206A Control Console Owner's Training Manual
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RARE MID 50's RCA BC-3 TUBE BROADCAST CONSOLE CLEAN ALTEC Entrance
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Electrodyne at the802 quad eight 8 approach studio mixer altec 1567a
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Large RCA Daven 2-1/8” Vintage Audio Knobs Entrances Altec Collins West Electric powered
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Altec Lansing 641 - Magic size ACS641 Personal computer multimedia loudspeaker system - 400 Watts (Overall)
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Customs providers and international tracking suppliedALTEC 306A Have always been/FM TUBE TUNER
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Customs solutions and international tracking offeredAltec Lansing 417 Dia-Cone 16Ω 12' Acoustic guitar Speaker #36608
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2010 Ford Elizabeth350 Bucket Van Growth Cargo Truck Altec 30ft
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Altec Lansing Xpedition 4 Lightweight Waterproof Bluetooth loudspeaker 24 hrs Battery
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Altec Lansing RM3010 Stage-Gig Amplified Loudspeaker for Rock Band and Clarinet Hero
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Altec Lansing Xpedition 8 Lightweight Waterproof Bluetooth Speaker 24 hours Electric battery
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McIntosh Marantz JBL Altec Jensen West Electric powered Fisher Scott EV Devices
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New ListingClassic Tube Transmission Mixing Mixing machine System w/ UTC Thordarson Sound Transformers
A+ illustration of custom studio gear with 31 pics!
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From United State governments1970 Crosby, Stills amp; Nash for Altec A new-110 Audio Program - Classic Advertisement
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From United ClaimsCustoms services and international tracking providedNew Listing2006 International 4300 Altec 45' Digger Derrick Support Utility Pickup truck Diesel Air cooling
30,000lt 2 Speed Back heel Winch Pole Grabs Using System
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Altec Lansing 417 Dia-Cone 16Ω 12' Clarinet Speaker #36629
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ALTEC LANSING Commercial Sound Devices collection 1967
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1998 International 4900 Altec 47' Digger Derrick Growth Pickup truck DT466 Diesel Auto Air conditioners
Support Utility Deb947T 2 Velocity Pole Holds Winch Auger
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2003 Cosmopolitan 4300 Altec 47' 24,000 Digger Derrick Increase Pickup truck DT466 Diesel
M947-TR 3 Section 2 Speed High heel Winch Pole Grabs Car AC
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Altec 165A Base Tube Mike w/ 525A Energy Offer 165 A Control device Mic 525 #30863
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Diesel Service Tool DT466E Car Jib Post Holds Ridin
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Can Decades-Old Horn Loudspeakers Still Audio Great?
What'h changed the nearly all in audio systems versus 50 years ago? Sure, we've switched from analog resources like record and information to electronic resources like computer systems and smartphones, but the almost all obvious transformation will be in the loudspeakers. The old speakers were constructed to obtain the many out of the fairly low-powered amplifiers of audio'h early days. That generally meant they used horns to obtain the most effectiveness from the drivers.
I've noticed a lot of horn speakers at hi-fi exhibits and examined a several versions by Klipsch, JBL and Avantgarde Acoustic myself, but I've rarely had a chance to provide a long listen to any of the vintage horn speakers that got the whole thing began.
When I frequented vintage audio dealer Innovative Sound up in Vancouver, Uk Columbia, I noticed several huge Altec Lansing horn loudspeakers sitting in the back again area, each one standing up about 4 feet higher and 3 feet wide, with an imposing multicellular horn perched on best. I asked Innovative founder Gordon Sauck if I could give them a listen. Thankfully, he has been just getting prepared to lift them up for the store's annual Garage Sale, so I heard them driven by a approximately 20-watt-per-channel Dared tube amp - more than sufficient power contemplating the loudspeakers' higher performance.
Usually, I would believe using vintage speakers is a dicey decision because loudspeaker science offers evolved so very much since the late 1970s. But the Altecs seemed, to my ears, shockingly contemporary. There didn't appear to become a entire lot of energy in the best octave of treble, but everything below that seemed astonishingly uncolored and natural. That't most likely in part because the low-frequency response of the horn allows the crossover to the woofer to end up being altered down to 500 Hz or therefore, where any sonic artifacts would end up being much less obvious than they are usually at the normal woofer/tweeter crossover point of about 2.5 to 3 kHz.
Afterwards, we got a dialogue about the loudspeakers and how numerous audiophiles are usually using these nearly ancient styles in their houses. Verify out our debate on the following web page.
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30 to 50 Decades Aged. and Still Singing Nice
Gordon Sauck:From the Dolphin Theatre, which experienced shut in Burnaby, BC. They had been best behind the main screens. Each of the two screens had three of these audio speakers.
GS:The audio speakers we pulled are 30 to 50 yrs old, but for the many part, apart from general maintenance now there's not very much that's i9000 needed. We place brand-new diaphragms in the horns but that't it. They're also made to run pretty very much permanently.
BB:Perform people really make use of these behemoths in their homes?
GS:Ohhhhhh, yeah. In reality, I have got two units in my personal program. The large thing can be when you're also using smaller sized pipe amplifiers, these loudspeakers are definitely perfect. They have a really low spouse acceptance aspect, but sonically they can't become matched up.
GS:Initial, they're very efficient. You can make use of flea energy to drive them. And they possess a audio that can be unequaled. Three speakers can fill a 750-seat movie theater on 50 w each. I'd explain the sound as 'tactile.' It's one of the several loudspeakers where you experience the sound as significantly as you listen to it.
BB:How would you compare these to some of the even more modern audio speakers in your shop?
GS:These have got a completely various sonic signature bank than any additional speaker. There'h continually a large difference between anything and a horn. There't just something about an Altec or JBL horn that provides a existence that is certainly normally not now there. It can end up being especially good if you make use of a smaller sized wattage tube amp for the horn section, then use a 50-watts or so solid state amp for the striper area.
GS:It depends because Altec offered several different cabinets, such as the A5 and the A new7. The major distinction between the two is usually the horn positioning. On the A new5, the horn is certainly inside the cupboard, whereas on the A7 it's i9000 on top. Then there are usually the horns. The regular A5 movie theater speaker comes with an 811 horn and a 416 collection woofer. A multicellular horn, probably with eight tissue or more - like the 10-mobile 1005B horn you observe on these audio speakers - will go for an amazing quantity of money.
Turn to the next page to discover a pair of classic Altecs renewed with circa-2014 makeup products.
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Classics Restored. and Then Some
After I returned house to L.A new., Sauck delivered me a picture of two of the Altecs I've noticed, significantly refinished. They appeared like they'd be as pleasant in a Ferrari dealership as they would in a theater, so I known as Sauck to consult what he was upward to.
BB:So why are usually you re-doing these historic audio speakers?
GS:We're also having something that's actually aged and repurposing it, keeping the exact same basic look but making it suit much better into nowadays's even more avant-garde style world. Many of these come in operating pretty properly but searching as well beat-up for anyone to make use of at home.
GS:We're also using the authentic Altec cupboards and motorists. Very first, we guarantee that the motorists and crossovers are working 100-pct. If motorists are not 100-percent ideal, we make sure they are usually. Sometimes we end up changing the diaphragm on the data compresion driver connected to the horn. We change any crossover components that are usually non-functional or possess aged so they're out of spec. What we attempt to perform is keep everything as initial as achievable.
We sandblast the horns with crushed walnut covers, which removes the paint but doesn'capital t damage the metallic, and then we powder-coat them. For the cupboards, we sand off the first grey orange-peel surface finish, which can be usually really nicked and damaged. After that we fill up all the divots so the whole surface is definitely perfectly even. Then we repaint them with several coats of a fine satin surface finish. We also include a plinth to raise them off the ground slightly, plus a teak foundation for the horn and a material grille for the open area below the woofer.
GS:The pair in the photo I sent you marketed less than an hr after we put them out on the floor.