Benchmark MPA1 Manual de Instruções descarregar pdf (Página 3)

Contents

Safety Information 2

Voltage Selection 2

Repairs 2

Fuses 2

Modifications 2

Contents 3

Overview 4

Features 6

Connections 7

Microphone Inputs (1-4) 7

Balanced Outputs – Overview 7

Driving Unbalanced Loads 8

Output Signal Levels 8

Direct Outputs (1-4) 8

Control Room Outputs (L&R) 8

Main Outputs (L&R) 8

AC Power Entry Connector 8

Fuse Holder 8

Preamp Section 9

Preamp Overview 9

Input Topology 9

Microphone Gain Controls 9

Blocking RF, EMI, and Noise 9

Phantom Power Switches 9

Input Protection 9

MirrorPan™ Pan Controls 11

20 dB Pads 11

Terminating Unused Inputs 11

40 Hz High-Pass Filters 11

LED Meters – Direct Outputs 11

Solo Bus 12

Solo Switches 12

Stereo/Mono Solo Switch 12

Control Room Outputs 13

Control Room Mute Switch 13

Driving Unbalanced Loads 13

Monitor Fader 13

HPA2™ Headphone Output 14

“0-Ohm” Output Impedance 14

Headphone Performance 14

Mix Outputs 15

Driving Unbalanced Loads 15

Main Fader 15

LED Meters – Mix Outputs 15

Rack Mounting 16

Mounting Near Other Equipment 16

Performance Graphs 17

Frequency Response 17

High-Pass Filter - Frequency Response 18

Inter-Channel Phase Response 19

THD+N vs. Frequency 20

Wideband THD+N vs. Frequency 21

Equivalent Input Noise vs. Gain 22

Noise Spectrum 23

THD Spectrum at 1 KHz 24

THD Spectrum at 10 KHz 25

Specifications 26

Microphone Preamps 26

Direct Outputs 27

Control Room and Main Outputs 27

MirrorPan™ Constant-Power Pan Circuit 28

HPA2™ Headphone Amplifier 28

LED Status Indicators and Meters 29

AC Power Requirements 29

Dimensions 30

Weight 30

Regulatory Compliance 31

FCC Notice 31

RoHS Compliant Information 31

CE Certificate of Conformity 32

Warranty Information 33

Benchmark Extended Warranty 34

Calibration 35

Required Equipment 35

+48V Adjustment 35

Microphone Gain and Metering 35

Monitor Gain Balance 35

Microphone Pan Balance 35

Main Gain Balance 36

Peak LED Adjust – Main Outputs 36

1 2 3 4 5 6 7 8 ... 36 37

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