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Universal Audio LA-610 MkII Classic Tube Recording Channel

A Classic Tube Microphone Preamp & LA-2A-Style Compressor in a Single Unit

LA610 MKII - Front

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  • LA610 MKII - Front
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Product Description for the Universal Audio LA-610 MkII Classic Tube Recording Channel

The LA-610 MkII combines an all-tube, vintage mic preamp design — heard on classic albums ranging from The Beach Boys’ Pet Sounds to Van Halen I — with authentic Teletronix T4 opto-compression circuitry. This classic channel strip design, with its warm preamp tone and smooth, natural-sounding compression, is updated with modern, user-requested features like true compressor bypass, larger metering, increased output, and an auto-switching power supply.

The LA-610 MkII also boasts much lower noise specs versus vintage models. Elegant and highly popular “Black on Black” cosmetics complete the package. For the serious project studio looking to get the UA sonic experience, the LA-610 MkII offers tone, quality and character at an accessible price.

The LA-610 MkII is based on the legendary console modules developed by Bill Putnam in the 60's. Noted for their musical character and warmth, innumerous classics by artists ranging from Sinatra to Van Halen have been recorded using these preamps. After the preamp section, the LA-610 MkII offers the T4 optical compressor. The simple operation and program-dependent nature of the LA-610 T4 compressor provides the same extremely musical control that has made the LA-2A such a well-loved classic for more than 40 years. The electro-optical detector, or "T4 cell,” is the heart and soul of the Teletronix LA-2A. Its unique combination of electroluminescent panel and photo-resistors are the crucial circuit components, giving the compressor its signature sound. In use, the LA-610 MkII packs tremendous sonic versatility and is an ideal front-end for tracking with modern DAWs.


  • All-tube mic preamp design derived from legendary Bill Putnam-designed 610 modular console
  • Authentic Teletronix LA-2A-style T4 opto-compressor section
  • MkII exclusive features include: true compressor bypass, larger metering, increased output, and auto-switching power supply
  • Mic pre with Gain and Level controls, variable impedance switching, and instrument DI for recording tone “color”
  • High and Low frequency shelving EQ
  • Complete vintage channel strip at groundbreaking price within project studio reach
  • UA build quality and heritage, audiophile components, hand-assembled in the USA
  • Backed by 1-Year limited warranty


  • True Bypass of the Compressor Circuit
  • Larger and Better Lit Metering
  • Improved Output Signal Performance
  • Auto-Sensing Universal Power Supply
  • Improved stability with feedback-style shelving EQ
  • Improved consistency with Input Gain values
  • LED Jewel Light Never Needs Replacing


  • Mic, Line and Hi-Z Input, Line Output
  • Dual Impedance Mic and Hi-Z inputs (Mic: 2K, 500Ω, Hi-Z: 2.2M, 47KΩ)
  • 5 position Stepped Preamp Input Gain, Continuous Preamp Output Level
  • -15dB Pad Switch (15dB Pad/Off)
  • Phase reverse (0/180º)
  • 48 volt Phantom Power switch (+48v/Off)
  • +/- 9 dB stepped High Shelving Filter (4.5, 7, 10 kHz)
  • +/- 9 dB stepped Low Shelving Filter (70, 100, 200 Hz)
  • T4 Optical Compressor with Continuous Peak Reduction and Makeup Gain
  • Compress/Limit/Bypass Modes of Dynamic Operation (3:1 / ∞: 1)
  • Meter Source Selector Switch (Preamp/Gain Reduction/Compressor)
  • Front Panel Power switch (On/Off)
  • Custom Altran and Cinemag Transformers
Brand Universal Audio
Weight 16.0000
Dimensions (WxHxD) No

Customer Reviews

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Behold the Warmth of an Analog Vibe...
Review by Diego Bernard
When one talks about Universal Audio, one can\'t help but to remembrance of UA legacy. After all, they are responsible for the modern mixing layout among many awesome achievements. Pretty much, they paved the recording foundation, and for that, one must take the imaginary hat off ^ ^ Now, the LA-610 Mk II is the gateway to an analog addiction. If you think you are all set with your state of the art high quality daw and plug ins, you are mistaking my friend. The the LA-610 Mk II is the perfect companion for your daw set up. I strongly believe this unit is AU\'s move to slap this new generation back into reality by reminding them that Analog is absolutely needed if one is serious about their studio sound. The warmth of the pre amp it gives is quite unique, wether you\'re using it through the MIC input, Hi-Z, or line input. Crystal clear with its analog warmth courtesy a of the Mk\'s tubes. The EQ\'s are neat feature as well. Now, let\'s talk about the T4 Optical Compressor... that\'s where the gold is! This is where you get the \"studio sound\" not only does it compress the sound, but it colors it with its analog warmth. After all, I strongly believe that the art of recording comes from the mastering of compression. One thing I must say, is that since the T4 Optical Compressor is an \"automatic\" compressor, you just have to get used its dynamics and learn how to manage it. Quite easy really. Over all, I only have positive feedback from this product, and I am very happy that I purchased it through the awesome folks over here at Proaudiostar =D Again, LA-610 Mk II is for those who are ready to take their DAW\'s to the next level Cheers. (Posted on 6/29/11)

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