Teletronix la2a manuals manuals and user guides for teletronix la2a. Easy to copy the scale considering keith has provided a scan of one on kruzs site. Mar 30, 2015 i dont really know anything about recording gear but this is a teletronix la2a kit i partially built. Lawrence ii, founder of the teletronix engineering company in pasadena, california in the early 1960s. Stam audio engineering, based in chile, tells us that the sa2a is a faithful reproduction of the classic teletronix la2a compressor. The teletronix leveling amplifier, model la3a, will automatically reduce audio peaks which might otherwise overdrive broadcast or recording equipment.
I dont really know anything about recording gear but this is a teletronix la2a kit i partially built. The la2 was the next iteration, featuring a larger vu meter than the la1, and the addition of the now legendary t4a optical attenuator photocell. The teletronix la2a leveling amplifier rivals only the universal audio 1176 as one of the most revered compressors ever created. La2a leveling amplifier by universal audio dynamics. Best teletronix la2a compressor pedal archives best. Uad teletronix la2a legacy by universal audio splice.
This compressor is completely hand built and its design has remained pretty much the same for more than half a century. Top 20 best compressors of all time page 20 of 20 attack. Buy universal audio teletronix la2a classic leveling amplifier exacting recreation of original la2a hardware unit featuring true to original, pointtopoint hand wired, t4 electrooptical attenuator, instantaneous gain reduction with no hd, tubedriven, handbuilt in usa. Teletronix la2a classic leveling amplifier universal.
The teletronix leveling amplifier will automatically reduce audio peaks which might. This tubedriven optical limiter has been on more hit records than we can count, and for good reason. Teletronix la2 not la2a gearslutz pro audio community. Universal audio la2a leveling amplifier optical compressor. Teletronix la2a classic leveling amplifier universal audio.
Teletronix la2a classic leveler collection plugin, software compressor from universal audio. The unique characteristics of the t4a electrooptical attenuator have been maintained. The la3a solid state leveling amplifier is the solid state successor to the well known teletronix la2a. I built my first la2a by copying my ua and improving certain parts. Originally introduced way back in 1965 by teletronix, the la2a went out of production in 1969, returning for a couple of short production runs before being reissued by universal audio in 2000. The best gear advice always comes from those who use it the most. Model la2a leveling amplifier universal audio, inc. This build based upon my la2a layout derived from the original universal audio teletronix 1968 la2a schematic is an accurate representation of the late 60s original, as well as the current reissue. Still built today by universal audio, the la2a is a handwired optical tube compressor, arguably the best one. Originally introduced way back in 1965 by teletronix, the la2a went out of. The original teletronix la3a made its debutin 1969, instead of using tube designlike the la2a, it was solidstate instead,which had faster attack and releasecharacteristics that were noticeably. Does anyone have, or know where i can find schematics for the more modern teletronix la2a. A variety of cosmetic changes were made as well including changing the metering switch from a multiposition toggle switch to a rotary.
The teletronix la2a features a unique tubedriven electrooptical attenuator system the famed t4, which allows instantaneous gain reduction and no increase in harmonic distortion. As the name implies, this is the companys interpretation of the urei teletronix la2a, which remains one the of the most desirable vocal compressors around. Teletronix was sold to babcock electronics of costa mesa, california in 1965. The original was immediately acknowledged for its smooth, natural compression characteristics. I say partially because someone else started it, abandoned it and sold it and it eventually made its way to me. It has a fully discrete signal path and uses drips electronics t4b optocell, cinemag transformers and nos 12ax7, 12bh7 and 6aq5 tubes. Avid hd native thunderbolt core does not include software.
The la2a leveling amplifier is an audio compressor invented by james f. There are a few schematics for the older units, but i need one for the more current ones 2002 and newer. As is denotes that the seller is selling, and the buyer is buying an item in whatever condition it presently exists, and that the buyer is accepting the item with all faults, whether or. Referring to figure 2, the functional block diagram, the input signal is applied. Universal audio la2a optical compressorlimiter vintage king. In making uad plugins,universal audios dsp engineers team work with the original hardware manufacturerswith using their exact golden units,and experiences ears. The famed tubeamplified t4 electrooptical classic compressorlimiter. La2a hardware vs plugin 26th october 2015 on this video we compare the real teletronix la2a universal audio compressor to one of the most popular software versions. Universal audio teletronix la2a classic leveler collection.
Universal audio studied not just the sound, but how each and every. Universal audio studied not just the sound, but how each and every component. The la2a offers programdependent compression based on optical circuitry, and has been ubiquitous in studio processing chains over the years, especially for vocals. Much as the minimoog is to synths, the la2a is something of a sonic holy grail for compressor designers and developers looking to create software and hardware clones. Teletronix la2a compressor, pultec eqp1a program equalizer, 1176 limiter, fender tweed deluxe 5e3 guitar amplifier, vacuum tube instrument direct box and more. Provisions are made for interconnection of the optical attenuators to provide equal gain reduction in both channels when two of the la2a leveling amplifiers are used for fm stereo broadcasting. Scott giaquinta for an indepth discussion in this video, teletronix la3a, part of learning universal audio uad2apollo. In 2001, universal audio set the standard in analog emulation with the original uad la2a plugin. The universal audio la2a reissue represents the rebirth of a studio classic. Please read the definition of as is below before buying. They will sell the exact same meter minus the teletronix logo on the meter scale, correct sensitivity, tolerance and scale deflection. The teletronix la2a is a classic tube compressor designed in the late 50s for and built under different manufacturers names over the years. A history of the teletronix la2a leveling amplifier. Your offer and purchase constitutes your agreement and understanding of the following.
Timelapse video of me building a teletronix la2a clone. Best guitar effects is a community for people who love making music with guitar, pedals, and effects. Unfollow teletronix la2a to stop getting updates on your ebay feed. Service manuals, schematics, eproms for electrical technicians. Shop for the teletronix la2a leveling amplifier and receive free shipping on your order and the guaranteed lowest price. Teletronix la2a meters available,, discussion in tech talk. I have an option on one and will have to buy it blind as such, along with all the obvious caveats of questionable condition and whether or not this particular unit can even be.
Learn how to use the powerful uad2 and apollo software hardware combo from. The la2a leveling amplifier will produce essentially instantaneous gain reduction of over 40 db with no increase in harmonic. Scott giaquinta for an indepth discussion in this video teletronix la3a, part of learning universal audio uad2apollo. Recproaudio pro audio equipment diy recording gear. Remember, this is a program and frequency dependent compressor, so it reacts. The teletronix la2a leveling amplifier is practically the definition of vintage audio gear. Universal audios teletronix la2a classic leveling amplifier reissue provides the performance characteristics of the iconic original. The teletronix la2a the la2a leveling amplifier is an audio gain reduction device, invented by james f. I found that the ua was almost the same as the schemo, with just. The informative, teletronix model la3a leveling amplifier, page.
With its gentle, program dependent optical compression and meticulously designed tube amplifier, the la2a is the goto compressor for professional mixers around the world especially for vocals. Universal audio teletronix la2a classic leveler collection plugin. With painstaking care, every new la2a unit is pointtopoint handwired at universal audios custom shop in santa cruz, california, with every component carefully evaluated for authenticity. This site helps you to save the earth from electronic waste. In 1962, lawrence reconfigured the la2 into the first la2a, sporting a gray faceplate and a change to the messy layout of the units interior wiring. Universal audio la2a optical compressorlimiter vintage. My father purchased the product rights and the name. This exacting reissue by universal audio heralds the return of the teletronix la2a. If i could get a parts list, that would be great too. Teletronix la2 not la2a anyone here used, heard or better yet owns, an la2 and yes, i am talking about the original one that came out just before the la2a. Universal audio teletronix la2a classic leveling amplifier. As is denotes that the seller is selling, and the buyer is buying an item in whatever condition it presently exists, and that the buyer is accepting the item with all faults, whether or not. The la2a was originally born as the la2, a product of teletronix. We have 2 teletronix la2a manuals available for free pdf download.
Ive finally worked out a part number with beede on the la2a meter. In this chapter, were going to look at three differentcompressors that arent part of the core bundle,that you can purchase separately. It was probably half way done and done well and correct. The la2 model captures the mojo of one of the very earliest teletronix units. I recently purchased a used one, and would like to start performing some maintenance on it. Teletronix la2a history and how it works recording forums. A number of outboard compressors from the analog era are considered legends in the audio world, among them the fairchild 670, urei 1176, and the subject of this article, the teletronix la2a. This is classic optocompressor, which uses electroluminescent panel and photoresistors to provide gain reduction. Its not every day we can say this, but our story begins with the titan missile program. I found that the ua was almost the same as the schemo, with just some minor changes like the zenner hidden near the ne2, etc. Documents, presets, manuals universal audio teletronix la2a classic leveler collection plugin. With its gentle, program dependent optical compression, and meticulously designed tube amplifier, the la2a is the goto compressor for professional mixers around the world. The original optoelectrical attenuator circuit is responsible for the sound embracing the tracks of many classic recordings in circulation today.
Build your own vintage pro audio equipment diy recording studio gear. In 1967 studio electronics eventually renamed urei, picked up babcocks broadcast division, including the teletronix. View and download teletronix la2a instruction manual online. Urei teletronix la2a leveling amplifier sch service. The universal audio teletronix la2a is a true to the original design remake of the teletronix la2a, the famed ubeamplified t4 electrooptical classic compressor. The original was immediately acknowledged for its smooth, natural compression. A collection of broadcast equipment manuals, catalogs, radio station pictures and broadcast information. Teletronix la2a leveler collection universal audio. Universal audio teletronix la2a classic leveler collection plugin teletronix la2a classic leveler collection plugin, software compressor from universal audio in the uad plugin series. Jun 11, 2015 heres the most iconic compressors ever made.
Well done greg u are the boutique of the music industry. Uad ultimate crack software added all plugin titles up to uad software v9. In making uad plugins,universal audios dsp engineers team work with the original hardware manufacturerswith using their exact. For the la2a, turret boards were placed in a long strip at the bottom of the chassis, helping tidy up the wiring inside the unit. Top 20 best compressors of all time top 20 best compressors of all time.
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