Universal Audio 2-610 Dual Channel - Manual (Page 5)

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Table of Contents
Performance and Audio Specifications................................................................................................................ 1
Preamp Operation Instructions .......................................................................................................................... 2
2-610 Front Panel................................................................................................................................................ 2
Input Select ........................................................................................................................................................ 3
Mic ..................................................................................................................................................... 3
Hi-Z .................................................................................................................................................... 3
Line .................................................................................................................................................... 3
Gain .................................................................................................................................................................... 3
Level ................................................................................................................................................................... 3
-15 dB Pad .......................................................................................................................................................... 4
Polarity ............................................................................................................................................................... 4
EQ Controls......................................................................................................................................................... 4
Frequency........................................................................................................................................... 4
Boost/Cut........................................................................................................................................... 4
+48 V .................................................................................................................................................................. 4
Power ................................................................................................................................................................. 5
2-610 Rear Panel................................................................................................................................................. 5
Input/Output ....................................................................................................................................................... 5
AC Power ............................................................................................................................................................ 6
Internal Voltage Selector..................................................................................................................................... 6
Fuse/Mains/Bulbs ............................................................................................................................................... 6
Block Diagram .................................................................................................................................................... 7
Historical Notes.................................................................................................................................................. 8
The 610 Preamp.................................................................................................................................. 8
The 1176LN Limiting Amplifier and LA-2A Leveling Amplifier............................................................................... 9
The 1176LN......................................................................................................................................... 9
The LA-2A ........................................................................................................................................... 9