Universal Audio 710 Twin-Finity Operations Instructions

Model 710Twin-Finity Mic/Line/Hi-Z PreamplifierUniversal Audio Part Number 65-0029Revision 1.0Universal Audio, Inc.Customer Service & Tech Support

Front Panel__________________________________________________________- 6 -meter reading of 0 VU corresponds to a level of +4 dBm at the rear panel LIN

Rear Panel__________________________________________________________- 7 -(1) AC Power Connector - Connect a standard, detachable IEC power cable (sup

Interconnections__________________________________________________________- 8 -12sourcesourcespdifinputplaybackmonoheadphonemixUSBgaingainpeakpeak48Vm

Insider’s Secrets__________________________________________________________- 9 -The Best of Both WorldsThere’s a reason why tube preamplifiers have lo

The Technical Stuff__________________________________________________________-from a slight bark to total grunge. Set the Blend control all the way to

The Technical Stuff__________________________________________________________-History of the Model 710Like the microphone, preamplifiers come in all s

The Technical Stuff__________________________________________________________- 12 -recording consoles. It featured input and output transformers, with

The Technical Stuff__________________________________________________________- 13 -Model 710 OverviewThe Universal Audio 710 Twin-Finity Mic/Line/Hi-Z

The Technical Stuff__________________________________________________________- 14 -About “Class A”Most electronic devices can be designed in such a wa

The Technical Stuff__________________________________________________________-Other double-mic applications often requiring phase inversion include pi

NoticeThis manual provides general information, preparation for use, installation and operating instructionsfor the Universal Audio 710.The informatio

The Technical Stuff__________________________________________________________--16-

The Technical Stuff__________________________________________________________-Maintenance InformationFuseThere is no user accessible fuse for the 710.

The Technical Stuff__________________________________________________________- 18 -Block Diagram-+Mic INXLR(+48V Not Shown)15dB Pad(Mic Only)310VDCDri

Glossary of Terms__________________________________________________________- 19 -Balanced - Audio cabling that uses two twisted conductors enclosed in

Glossary of Terms_______________________________________________________________________- 20 -translates to 1.23 volts), while consumer and semiprofes

Recall Sheet__________________________________________________________- 21 -

Specifications_______________________________________________________________________- 22 -Microphone Input Impedance 2kBalanced Line Input Impedanc

Additional Resources/Product Registration/Warranty/Service & Support__________________________________________________________Additional Resources

A Letter From Bill Putnam, Jr.___________________________________________________________- i -Thank you for purchasing the Model 710 Twin-Finity Mic/L

Important Safety Instructions___________________________________________________________- ii -Before using this unit, be sure to carefully read the ap

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 manuals.

The Two Page, Two Minute Guide To Getting Started__________________________________________________________- 3 -Step 8: Set the Gain control to “0” a

Front Panel__________________________________________________________- 4 -(1) Gain - Adjusts the gain of the input stage. Turning this knob clockwise

Front Panel__________________________________________________________- 5 -(3) Hi-Z Input - Connect high impedance signal from an instrument such as e