Universal-audio LA-610 Mk II User Manual Page 1

Model LA-610 Mk II Universal Audio, Inc. Customer Service & Tech Support: 1-877-MY-AUDIO Business, Sales &

Front Panel __________________________________________________________ - 6 - (8) High Boost/Cut - Selects the amount of cut or boost applied by the

Front Panel __________________________________________________________ - 7 - (15) Mode - A three-position switch which sets the compression section

Rear Panel __________________________________________________________ - 8 - (1) LINE OUTPUT - A balanced XLR connector carrying the line-level ou

Interconnections __________________________________________________________ - 9 -  For most applications, we recommend keeping the LA-610 pr

Insider’s Secrets __________________________________________________________ - 10 - LA-610 Versus 2-610 / LA-2A In his March 2005 review of the LA-

Insider’s Secrets __________________________________________________________ - 11 - “I always use the LA-610 for vocals,” Fred Maher says. “I almost a

Insider’s Secrets __________________________________________________________ - 12 - Electric Guitar and Bass There’s something very special about the

Insider’s Secrets __________________________________________________________ - 13 - Mixing Applications The line-level input of the the LA-610 allows

The Technical Stuff __________________________________________________________ - 14 - History of the 610 Preamp section The lineage of the LA-610 ca

The Technical Stuff __________________________________________________________ - 15 - At least one 610 module is still in use at Ocean Way Studios, s

Notice This manual provides general information, preparation for use, installation and operating instructions for the Universal Audio LA-610 Mk II

The Technical Stuff __________________________________________________________ - 16 - At the heart of the LA-1 was an electro-optical sensor. This was

The Technical Stuff __________________________________________________________ - 17 - In 2000, Bill Putnam Sr. was awarded a Technical Grammy for his

The Technical Stuff __________________________________________________________ - 18 - amount of compression varies constantly, depending upon the fluc

The Technical Stuff __________________________________________________________ - 19 - Despite the increased dynamic range, compression is especially

The Technical Stuff __________________________________________________________ - 20 - Ratio Another important term is compression ratio, which descri

The Technical Stuff _______________________________________________________________________ - 21 - Knee A compressor's knee determines wheth

The Technical Stuff __________________________________________________________ - 22 - Electro-Optical Compression/Limiting In order to operate, a com

The Technical Stuff __________________________________________________________ - 24 - Perhaps the most important thing about electro-optical compressi

The Technical Stuff _______________________________________________________________________ - 21 - About “Class A” “Class A” electronic devices suc

The Technical Stuff __________________________________________________________ - 25 - Phantom Power Most modern condenser microphones require +48 vol

A Letter From Bill Putnam, Jr. ___________________________________________________________ - i - The 2-610 was inspired by the microphone preamp sec

The Technical Stuff _______________________________________________________________________ - 26 - The procedure for adjusting the meter is as follo

Glossary of Terms __________________________________________________________ - 27 - Ambient noise floor - Low-level noise created by environmental fac

Glossary of Terms __________________________________________________________ - 28 - dBV - Short for “decibels as referenced to voltage,” without regar

Glossary of Terms __________________________________________________________ - 29 - Line level - Refers to the voltages used by audio devices such as

Glossary of Terms __________________________________________________________ - 30 - Photo-electric cell (“photo-cell”) - A light sensitive device who

Recall Sheet __________________________________________________________ - 31 -

Specifications _______________________________________________________________________ - 32 - Microphone Input Impedance Selectable, 500 Ω (ohms)

Additional Resources/Product Registration/Warranty/Service & Support __________________________________________________________ Additional Resour

Important Safety Instructions ___________________________________________________________ - ii - Before using this unit, be sure to carefully read th

Table of Contents __________________________________________________________ A Letter From Bill Putnam, Jr. ...

The Two Page, Two Minute Guide To Getting Started __________________________________________________________ - 2 - No one likes to read owner’s manual

The Two Page, Two Minute Guide To Getting Started __________________________________________________________ - 3 - Step 6: On the left side of the f

Front Panel __________________________________________________________ - 4 - (1) Gain - Adjusts the gain of the input stage in stepped 5 dB incr

Front Panel __________________________________________________________ - 5 - Hi-Z - Selects the input signal coming from the front panel unbalanced ¼