A Classic Tube Microphone Preamp & LA-2A-Style Compressor in a Single Unit
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.
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-house
Backed by 1-Year limited warranty
A Classic Tube Microphone Preamp & LA-2A-Style Compressor in a Single Unit
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
Preamplifier Section
Microphone (Female XLR)
Inputs
Balanced Line (Female XLR)
Unbalanced Line/Instrument (1/4" jack) (D.I.)
Outputs
Balanced Line (Male XLR) for use in "Split Mode"
Compressor Section
Input
Balanced Line (Female XLR) for use in "Split Mode"
Output
Balanced Line (Male XLR)
Preamplifier Section
Microphone: 500 ohm, 2 kOhm
Input Select
Balanced Line
Hi-Z instrument: 47 kOhm, 2.2 MOhm
Variable Gain
(Input Feedback Control)
5 dB increments @ -10, -5, 0, +5, +10 dB
HF Shelf EQ
Switchable boost/cut: 1.5, 3, 4.5, 6, 9 dB
Corner Frequency Select: 4.5 kHz, 7 kHz, 10 kHz
LF Shelf EQ
Switchable boost/cut: 1.5, 3, 4.5, 6, 9 dB
Corner Frequency Select: 70 Hz, 100 Hz, 200 Hz
Other
-15dB Pad Switch
Polarity Reverse Switch
48 Volt Phantom Power Switch
Join/Split Switch (for joint or independent compressor/preamplifier operation)
Compressor Section
Input Gain
Output Gain
Attack
Release
Bypass
1:1
4:1
Compression Ratio
8:1
12:1
20:1
and "All Button" mode
Preamp Output
Meter Select
Compressor Gain Reduction
Compressor Output
Microphone (selectable)
- 500 ohms or 2K ohms
Input Impedance
Balanced Line – 3.8K ohms
Hi-Z (selectable)
-2.2 Meg ohms or 47K ohms
Vacuum Tubes
(1) 12AX7A and (1) 12AT7 per channel
Power Requirements
115/230 volts
Weight
11.75 lbs.
Dimensions
19" Rackmount chassis, 2U
George Shilling
(Resolution Magazine)
"The [610 combines] beautifully with the T4 compressor for ample flexibility in most recording situations."
11/2004
George Shilling
(Resolution Magazine)
"Anyone who believes there’s no action in high-end outboard should be introduced to the UA range of processors."
Huw Price
(Music Tech UK)
"Forget those phoney retro recording channels with a placebo valve, the LA-610 is the real deal."
04/2005
Jonathan Herrera
(Bass Player Magazine)
"The LA-610 sounds colorful, dynamically sensitive, and warm."
07/2006
Matt Still
(Elton John, Outkast)
"The LA-610 has a nice curve line, and a nice, overall warm compression ... it just has a nice, smooth sustain to it."
Michael Cooper
(Mix Magazine)
"The LA-610 has its own beautiful voice. Don't let the low price fool you, [it] belongs in a rack with the priciest gear."
Michael Cooper
(Mix Magazine)
"One of the most versatile mic preamps available."
12/2005
Miles Boisen
(Electronic Musician)
"LA-610 stood up to the competition in a studio that included vintage UREI LA-series compressors and an LA-2A clone."
Mitch Gallagher
(EQ Magazine)
"No matter how you set it [LA-610] up, you'll get low noise, great-sounding results."
12/2004
Hugh Robjohns
(Sound On Sound)
"The new LA-610 represents a very welcome addition to the modern studio equipment list."
05/2005
A Classic Tube Microphone Preamp & LA-2A-Style Compressor in a Single Unit
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
Preamplifier Section
Microphone (Female XLR)
Inputs
Balanced Line (Female XLR)
Unbalanced Line/Instrument (1/4" jack) (D.I.)
Outputs
Balanced Line (Male XLR) for use in "Split Mode"
Compressor Section
Input
Balanced Line (Female XLR) for use in "Split Mode"
Output
Balanced Line (Male XLR)
Preamplifier Section
Microphone: 500 ohm, 2 kOhm
Input Select
Balanced Line
Hi-Z instrument: 47 kOhm, 2.2 MOhm
Variable Gain
(Input Feedback Control)
5 dB increments @ -10, -5, 0, +5, +10 dB
HF Shelf EQ
Switchable boost/cut: 1.5, 3, 4.5, 6, 9 dB
Corner Frequency Select: 4.5 kHz, 7 kHz, 10 kHz
LF Shelf EQ
Switchable boost/cut: 1.5, 3, 4.5, 6, 9 dB
Corner Frequency Select: 70 Hz, 100 Hz, 200 Hz
Other
-15dB Pad Switch
Polarity Reverse Switch
48 Volt Phantom Power Switch
Join/Split Switch (for joint or independent compressor/preamplifier operation)
Compressor Section
Input Gain
Output Gain
Attack
Release
Bypass
1:1
4:1
Compression Ratio
8:1
12:1
20:1
and "All Button" mode
Preamp Output
Meter Select
Compressor Gain Reduction
Compressor Output
Microphone (selectable)
- 500 ohms or 2K ohms
Input Impedance
Balanced Line – 3.8K ohms
Hi-Z (selectable)
-2.2 Meg ohms or 47K ohms
Vacuum Tubes
(1) 12AX7A and (1) 12AT7 per channel
Power Requirements
115/230 volts
Weight
11.75 lbs.
Dimensions
19" Rackmount chassis, 2U
George Shilling
(Resolution Magazine)
"The [610 combines] beautifully with the T4 compressor for ample flexibility in most recording situations."
11/2004
George Shilling
(Resolution Magazine)
"Anyone who believes there’s no action in high-end outboard should be introduced to the UA range of processors."
Huw Price
(Music Tech UK)
"Forget those phoney retro recording channels with a placebo valve, the LA-610 is the real deal."
04/2005
Jonathan Herrera
(Bass Player Magazine)
"The LA-610 sounds colorful, dynamically sensitive, and warm."
07/2006
Matt Still
(Elton John, Outkast)
"The LA-610 has a nice curve line, and a nice, overall warm compression ... it just has a nice, smooth sustain to it."
Michael Cooper
(Mix Magazine)
"The LA-610 has its own beautiful voice. Don't let the low price fool you, [it] belongs in a rack with the priciest gear."
Michael Cooper
(Mix Magazine)
"One of the most versatile mic preamps available."
12/2005
Miles Boisen
(Electronic Musician)
"LA-610 stood up to the competition in a studio that included vintage UREI LA-series compressors and an LA-2A clone."
Mitch Gallagher
(EQ Magazine)
"No matter how you set it [LA-610] up, you'll get low noise, great-sounding results."
12/2004
Hugh Robjohns
(Sound On Sound)
"The new LA-610 represents a very welcome addition to the modern studio equipment list."
05/2005