It's new, not used (need place to make small mobile studio). I have one unit for sale from my small studio (one unit already sold). 2U frontpanel Teletronix Made in Deutschland - C4 capacitor calibrated (NOS Trimmer capacitor), 1kHz signal => perfect linear from 20Hz to 20kHz :) - 220V use, but you can let me know for other input voltage location :) For more questions, please contact me. Neutrik XLR input & output - T4B Optocell custom made in France replica of vintage unit (Slow release) - Vintage UREI Vu Meter - Very high quality of sound unit (Tube perfect matched and calibrated). Original Daka Ware Teletronix Knob made in USA - Input & Output transformer from Sowter UK (high end transformer original unit, very expensive transformers ) - 1x NOS Tube Lorenz 6AQ5 - 2x NOS Sovtek tube 12AX7WB Made in Russia (perfect matched) - 1x NOS Raytheon 12BH7 Tube Made in USA (Matched balanced) - High-end Sprague Atom capacitor - Same components and value as original unit (Big NOS Ceramic, Vishay MKP capacitor, 1% resistor 1/2W, JJ electrolytic, etc). And unless you hit them way hard and make the tubes sizzle they don't really distort.TELETRONIX LA2A CLONE HIGH END REPLICA - Handcrafted in France by professional technician on the schematic of the first unit from Teletronix opto compressor. When you put bass and drums in them they get fatter and bigger. LA-2As warm things up.they EQ all the warmth and low mids and bass. The LA-2A has a sonic character that makes it sought after by many recording engineers. The VU meter may also be switched to show the gain reduction or output level.
#LA2A SCHEMATIC FREE#
And sorry, this design is absolutely free from tubes and transformers. Unless otherwise specified by the customer, RJR OPTO comps are hand wired point to point on a turret board from the 1968 LA2A schematic, and utilize metal. The LA-2A has simple controls: a Peak-Reduction knob controls the gain of the side-chain circuit, and therefore, the gain reduction a Gain Control for make-up gain and a Limit/Compress switch which alters the compression ratio. This is a design I did way back in my early years, so youll have to bear with the ugly pcb layouts.
#LA2A SCHEMATIC FULL#
The average attack time is 10 milliseconds, while the release time is about 60 ms for 50% release and 0.5 to 5 seconds for full release, depending on the previous program material. The LA2A is a real classic tube-powered Opto compressor/limiter. The properties of the T4 give the LA-2A its unique character by making it an entirely program dependent design. Based on the iconic Teletronix LA2A, the WA-2A has followed the original schematic and. kenwood ge Universal Audio Part Number LA2A-M01. It uses an electroluminescent panel together with a cadmium-sulfide light dependent resistor to provide gain reduction, which in the LA-2A's own terminology is called the T4 cell. Rare and Ancient Equipment UREI 527 urei-527-equalizer-schematic.pdf: 127 kB: 5: UREI: urei-527-equalizer. 17, lateral oblique view, schematic in Figure 16 20, holotype Eocene, Springfield, Barbados, B.W.I. The LA-2A is a hand-wired, tube-based compressor. Īfter Universal Audio was re-established in 1999, the company re-issued an updated version of the LA-2A. R5 68k R5 68k R25 27k-100k R25 39k This value varies and is selected. Three versions of the LA-2A were made until 1969. 1968 UREI Schematic UA LA2A ReIssue Component Value Component Value Notes. SSL Schematics Library : Channel Strip and Master Module Schematics 82E01 Transformer Mic Preamp/Line Input 82E02 Channel Equalizer 82E05 Phase Meter. In 1965, Lawrence sold Teletronix to Babcock Electronics of Costa Mesa, California, and in 1967 Bill Putnam's company Studio Electronics (eventually renamed UREI), acquired Babcock's broadcast division, including the Teletronix brand. The LA-2A had evolved from Lawrence's first leveling amplifier, the LA-1, which was favored by Gene Autry, and its successor, the LA-2, which had been adopted by CBS and RCA. With this in mind, we recommend that tube replacement for the 4-710d or 710 should only be performed at a qualified Universal Audio Service Center. Tube replacement for the 4-710d and 710 requires additional calibration due to their transitor-to-tube topologies.
Lawrence II, founder of the Teletronix Engineering Company in Pasadena, California in the early 1960s. Replacing Tubes: 4-710 and 710 Twin-Finity.
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