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P2050
Operating manual
Yamaha P2050 Operating Manual
Yamaha p2050: user guide
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Operating manual
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Table Of Contents
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Contents
Table of Contents
Bookmarks
Table of Contents
About this Manual
Index
Brief Operating Instructions
P2050 Front Panel
P2050 Rear Panel (U.S. Model)
Introduction
General Specifications
Monaural Mode Specifications
Performance Graphs & a Discussion of Specifications
Normal (Stereo) Graphs
Mono Mode Graphs
Power Output
Types of Power Ratings
Power Output Versus Load
Distortion
Frequency Response
Offset Voltage
Power Bandwidth
Phase Response
Rise Time
Slew Rate
Output Impedance
Damping Factor
The Distinction between Professional and HI-FI Equipment
Impedance
Operating Levels
Dynamic Range
Dynamic Range in an Audio System
Gain Overlap and Headroom
Input Sensitivity Ratings
Professional Equipment Advantages
Typical Gains and Losses in a System
Installation and Detailed Operation
Physical Mounting
Rack Mounting for Portable Usage
P2050 with Cooling Fans
Regarding Input Impedance and Termination
Cabling and Impedance Matching
Attenuation Pad Construction and Resistor Values
Pads Constructed in Mini-Boxes
Matching Transformer Box
Step up Transformer Box
Transformer Availability
Bridging Transformer Box
Step-Up Transformer Box
Input Impedance Matching for the P2050
Voltage Division Diagrams
Level Matching and Headroom
Headroom Adjustments
Cabling the System
Example of Crosstalk
Cable Routing in Equipment Rack
"Chaining" of Inputs for Mono Operation
Input Connection for Mono Operation into
Effects of Different Sized Wire Gauge on Power
Connectors
Cable and Connector Wiring Configurations
Wiring an RCA-Type Pin Plug
Wiring a Male XLR Connector
Wiring a Female XLR Connector
Wiring a Standard Phone Plug (2-Conductor)
Wiring a Tip, Ring & Sleeve Phone Plug (3-Conductor)
Use of the Input Polarity Switch
Output Impedance Matching
Speakers in Series
Circuit as Seen by One Speaker of Series Pair
Actions of the P2050 Protection Circuits
Grounding and Shielding
Definitions
Two Possible Ground Loops in an Audio System
Use of Balanced Lines
Use of Shields
Poor Quality Shielded Cable
Telescoping Shield
Avoiding Ground Loops in an Unbalanced System
Avoiding a Potential Ground Loop When Using Two Mixers and a MIC Splitter
Minimizing Hum with Unavoidable Ground Loops
Grounding on the Road
Use of Ground Lift Switch
Properly Wired 120 VAC Outlet
Lifted Ground
Reversed Polarity
240 AC on 120 AC Outlet
120 AC Outlet Connected to Dimmer Circuit
Other Safety Considerations
Mono Operation
Output Connections for Operating P2050 in "Mono" Mode
Applications
Biamplification and Triamplification
Headroom
Advantages of Biamplification
When to Use a Traditional, Passive Crossover
Realizing the Advantages
Criteria for Biamped Systems
Crossover Frequency and Slope
Selection of a Crossover (Dividing Network)
Echo, Reverb, and Delay
Compression and Limiting
Biamplifier System Showing Placement of Optional Limiters
Equalization, High and Low Pass Filter
Room Equalization
Graphic Equalizers
How to Use 1-Octave Graphic Equalization
Parametric Equalizers
Actions of a Parametric Equalizer
Actions of Tone Controls
Actions of Typical High and Low-Pass Filters
Equalizer Problems
Speaker Protection
Fuses
Capacitors
High Pass and Low Pass Filters
Specific Applications
Studio Monitoring
Recording Studio Monitor System (Biamplified with Yamaha F-1030 Frequency Dividing Networks)
Concert Sound System
Portable Instrument Amplifier
Headphone Distribution System
Two Versions of Mono Headphone Distribution System
Stereo Headphone Distribution System
Headphone Distribution Box for Use with High Impedance Phones Only
Headphone Distribution Box with Volume Controls, for Use with Low And/Or High Impedance Phones
Discotheque
Combination Disco/Live Club Sound System Setup
Commercial Sound Systems
Other Uses
Factory Paging System
Appendix
Definition of Terms: Db, Dbv, Dbv, Dbm and Db SPL
Special Use of Db (Volts) in this Manual
Ohm's Law
Power
Voltage Sources
Elements of an Impedance
Series and Parallel Impedance Connections
Series and Parallel Impedances
Voltage and Current Division
Balanced, Unbalanced and Floating Circuits
Transformers
Other Considerations
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P2050 Rear Panel (U.s. Model)
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Brief Operating Instructions
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General Specifications
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