Table Of Contents - Lexicon Prime Time II 95 Manual

Table of Contents

Table of Contents2
Introduction3
Description3
Precautions3
Location of Controls, Indicators and Connectors4
Installation and Interfacing9
Mounting9
Power Requirements9
Audio Signal Interfaces9
Control Signal Interfaces10
Input MIX Output10
Delay-A Output10
Master Output10
Delay Bypass11
Clock Output11
Interconnect Diagrams12
Wiring Diagrams12
Connection to Dual Amplifiers13
Connection with Mixing Console13
External Processor Connected in Series14
Basic Operation15
How to Get Started15
Front and Rear Panels15
Initial Setup15
Using the Model 9517
Rear Panel Groupings17
Setting up17
Basic Hookup18
Straight Wire18
Simple Delay18
Dual Delay19
Simple Delay with Level Controls19
Delay with Output MIX19
Standard Delay20
Dual Delay Panel Setup20
Phase Inversion, Bypass Mode, Recirculation Filter and DRC21
Dual-Delay Block Diagram21
Phase-Invert Block Diagram21
Phase-Invert Demonstration21
Auxiliary Input and Secondary Outputs22
Application of Auxiliary Input23
Application of INPUT MIX OUTPUT23
Stereo Enhancement23
Delay-Line Controls24
Simplified Audio Block Diagram25
Delay Modulation25
Mixed-Modulation Chorusing27
Modulation Control Section Block Diagram27
Audio Block Diagram with Delay Control/Modulation28
Panel Setup for Pitch-Twisting Experiments28
Applications29
Theoretical Background29
Localization Effects30
Hass-Effect Panning30
Comb Filters, Resonance, and Flanging31
Stereo Image Enhancement31
Hum Filtering32
Physics of Comb Filtering32
Simple Comb Filter32
Resonance and Flanging Effects Using Comb Filters33
Comb Filter with Dual Taps34
Comb Filter with Recirculation35
Resonant Comb Filter35
Basic Flange36
Negative Flange36
Negative Resonant Flange36
Doppler Pitch Shift Effects37
Stereo Flange37
Talking Flange37
Simulated Room Ambience38
Pitch-Twisting Effects38
"Slap" Echoes40
Discrete Echoes40
Long Delay Loops and the Metronome Clock Feature40
Application of Time Delay in Sound Reinforcement43
Detailed Description of Controls and Indicators44
Front Panel44
Delay Control Section44
Modulation Control Section47
Fixed/Variable Time-Base Select47
Manual Sweep Control47
Modulation Depth Control47
Audio Control Section48
Input MIX Section48
Modulation MIX Control48
LFO Frequency Control48
Output MIX Section49
Main Input Level Control49
Auxiliary Input Level Control49
Rear Panel50
Audio Signal Inputs50
Audio Signal Outputs50
Control Inputs and Outputs51
VCO Control Jacks51
Modulation Waveform Output51
Delay Bypass Control Input51
Specifications52
General Performance52
Delay Selection52
Delay Capacity52
Interfaces53
VCO Modulation Waveform53
Test Conditions53
Input Limiting53
Power and Dimensions54
AC Requirements54
Dimensions54
Unit will Not Power up55
Diagnostic Messages55
Unit Powers Up, Gives Improper Display55
Units Powers Up, but will Not Pass Audio55
Excessive Audio Distortion or Noise56
Revision Number56
Returning Units for Repair56
Replacement Pats56
Model 95 Prime Time II Block Diagram59