UNIVERSAL AUDIO LA-610 MkII Classic Tube Recording Channel

The UNIVERSAL AUDIO LA-610 MkII is a premium all-tube recording channel strip that combines two of the most celebrated designs in audio history: the legendary 610 Tube Microphone Preamplifier and the classic Teletronix LA-2A-style T4 Optical Compressor. Designed to deliver the warmth, depth, and musicality that defined countless classic recordings, the LA-610 MkII remains a favorite among recording engineers, producers, musicians, and professional studios worldwide. (Universal Audio)

At the heart of the LA-610 MkII is the iconic 610 all-tube preamp, originally developed by Bill Putnam Sr. and used on legendary recordings throughout the history of modern music. The preamp delivers rich harmonic saturation, smooth tube warmth, and exceptional musical character, making it ideal for vocals, acoustic instruments, electric guitars, bass, keyboards, and voice-over applications. (Sweetwater)

Following the preamp section is an authentic T4 optical compressor, derived from the same electro-optical technology that made the Teletronix LA-2A one of the most respected compressors ever created. Its program-dependent compression characteristics provide smooth, natural dynamic control without sacrificing the emotion and detail of a performance. (media.uaudio.com)

The LA-610 MkII features selectable microphone and Hi-Z impedance settings, a two-band shelving EQ, phantom power, polarity reverse, and both microphone and instrument inputs. The updated MkII version adds true compressor bypass, larger metering, higher output levels, and an auto-switching power supply for enhanced flexibility in modern studio environments. (Universal Audio)

With up to 77dB of microphone gain, premium tube circuitry, transformer-balanced design, and classic optical compression, the LA-610 MkII excels on lead vocals, bass guitars, acoustic instruments, electric guitars, drums, keyboards, and professional voice recordings. Its ability to provide everything from subtle tube coloration to rich vintage saturation makes it one of the most versatile channel strips available today. (B&H Photo Video)

Handcrafted in the USA using premium components, the LA-610 MkII delivers the unmistakable sonic character that has made Universal Audio equipment a cornerstone of professional recording for generations. (Sweetwater)

Key Features:

• Premium all-tube recording channel strip

• Combines the legendary 610 Tube Preamp and T4 Optical Compressor

• Authentic Bill Putnam-designed 610 preamp circuitry

• Classic Teletronix LA-2A-style optical compression

• All-tube signal path design

• Up to 77dB microphone gain

• Mic, Line & Hi-Z instrument inputs

• Selectable microphone impedance (500Ω / 2kΩ)

• Selectable Hi-Z impedance (2.2MΩ / 47kΩ)

• Two-band shelving EQ section

• High-frequency shelving EQ

• Low-frequency shelving EQ

• 48V Phantom Power

• Polarity Reverse switch

• True Compressor Bypass (MkII version)

• Large illuminated VU meter

• Program-dependent optical compression

• Transformer-balanced audio path

• Frequency Response: 20Hz – 20kHz

• Ideal for vocals, bass, guitars, acoustic instruments, keyboards & professional recording applications

• Handcrafted professional studio hardware

• Made in the USA (Sonic Circus)

🔹 Legendary Tube Warmth. Classic Optical Compression. Built for Professional Recording Excellence. (Universal Audio)