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Universal Audio LA-610 Mk II Classic Tube Recording Channel

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The LA-610 by Universal Audio defined the affordable, ultimate vintage tone channel strip. So how can UA improve on tonal perfection on what was already a hit product? Enter the sequel...LA-610 Mk II,... Read More

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The LA-610 by Universal Audio defined the affordable, ultimate vintage tone channel strip. So how can UA improve on tonal perfection on what was already a hit product? Enter the sequel...LA-610 Mk II, a second-generation revamp of the original 2005 LA-610 design. While the preamp and compressor are identical to the original LA-610 that professionals have come to know and love, additional features have been added such as true compressor bypass, larger metering, improved output signal, and an auto-sensing power supply. The LA-610 Mk II also features the highly popular black-on-black cosmetics of the LA-610 Signature Edition.

The original UA 610 tube mic pre and EQ have been used to record artists ranging from Frank Sinatra to Eddie Van Halen. It's a sound that never gets old - just better - thanks to the spirit of Bill Putnam and modern advances in electronics design.

  • Based on Legendary Bill Putnam 610 Tube Mic Pre and EQ Used on Countless Classic Recordings
  • Authentic Teletronix LA-2A-style T4 Opto-Compressor
  • Complete vintage channel-strip at groundbreaking price within project studio reach
  • Mic Pre with Gain and Level controls, variable impedance switching, and Instrument DI for recording tone "color"
  • Mk II Features such as True Bypass, Larger Metering and Improved Signal Output
  • UA build quality and heritage, audiophile components, hand-assembled in the USA
  • MK II Improvements:
  • 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
  • General:
  • Mic, Line and Hi-Z Input, Line Output
  • Dual Impedance Mic and Hi-Z inputs (Mic: 2K, 500OHMS, Hi-Z: 2.2M, 47Kohms)
  • 5 position Stepped Preamp Input Gain, Continuous Preamp Output Level
  • -15dB Pad Switch (15dB Pad/Off)
  • Phase reverse (0/180°)
  • 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
  • Microphone Input Impedance: Selectable, 500 Ohms or 2k Ohms
  • Balanced Line Input Impedance: 20k Ohms
  • Hi-Z Input Impedance: Selectable, 2.2M Ohms or 47k Ohms
  • Maximum Microphone Input Level: -8 dBu (2K input Imp. & 15 dB Pad in)
  • Maximum Output Level: 80 Ohms
  • Recommended Minimum Load: 600 Ohms
  • Frequency Response: 20 Hz to 20 kHz ± 0.5dB
  • Maximum Gain: 40 dB (Line), +77dB (Mic)
  • Noise Floor: -72 dBu 20 - 20kHz (Line In, unity Gain)
  • Compressor Ratio: 3:1, soft knee, program dependent
  • Limiter Ratio: ∞: 1, soft knee, program dependent
  • Attack Time: 10 ms, program dependent
  • Release Time: Dual stage: 60 ms for 1st release, then 1 - 15 sec.
  • Tube Complement: (3) 12AX7, (1) 12AT7, (1) EL84
  • Power Requirements: 100V / 120V / 240V
  • Power Consumption: 30 Watts
  • Power Connector: Detachable IEC power cable
  • Dimensions: 19" W x 3.5" H x 12.25" D (two rack spaces)
  • Weight:12 lbs.
One year parts and labor warranty on all U.A. products and Kind of Loud products.

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  • Customer Reviews


by PowerReviews

(based on 4 reviews)

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Reviewed by 4 customers

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(3 of 3 customers found this review helpful)


Silky smooth

By Chris Cortez

from San Francisco, CA

I own several boutique pre-amps to compare to and the LA-610mkII stands shoulder to shoulder with them. It possesses a tone unlike the others especially on male vocal...Silky highs with punchy low mids and just enough air. The preamp and compressor work very well together where you can hit 10db of compression and barely hear it working. Very smooth and musical for tracking vocals. Like an LA2a it is very easy to set up. Everything feels solid. Switches and knobs have a positive feel and seem high quality. For a vintage modeled piece it actually has a pleasing modern tone and not dark like some reviews have stated. It's definitely warm but possibly because of the smooth mid range. If anything it has a well-balanced tone that will work well on many lead sources. On the bad side, the preamp can be overdriven slightly if not careful. Watch your loud passages and set your gain for that. All in all, I'm loving this piece. It has a color unlike my neve style preamps and it fills that lush and opulent side of my tool kit. Smooth and punchy. Delicate and tough. UA has a winner here. I'm in.

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(3 of 3 customers found this review helpful)


LA610MKII kicks big time


from Chicago

So after months of research on pre-amps/ channel strips and after watching UA's video on the original UA 610 console. Takes some getting used to for vocal/mic settings, but it has a TON of sounds from clean to colored. Built like a tank and will be in my studio set-up as a main piece for years, if not the rest of my life. Highly recommend it.

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(5 of 6 customers found this review helpful)


Wonderful unit

By Johne

from Portland, OR

When first building my recording rig, I spent a *very* long time reading up on which preamp I wanted to start with. I was already using a Focusrite Saffire PRO 26 and 10, so something a bit colored was where I was aiming. I went ahead and went with Universal Audio because I was familiar with their higher end hardeware already. Aside from my beloved Cort MGM, this is the best bit of money I've ever spent on something music-related. The sound is incredibly smooth and a bit on the darker side. The compressor is beyond excellent and the EQ gets used a lot more than I had expected. The only real flaw is that it sounds so good, it becomes your go-to pre -- using it on too many tracks on a single song can muddy things up.

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(16 of 16 customers found this review helpful)



By Cruz

from GA

Its a excellent preamp and the optical compressor side is just unbelieveable, no distortion at all and very warm sound, Universal Audio hasnt let me down yet.

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