Benchmark MPA1 Manual de instrucciones descargar pdf (Pagina 3)

Contents

Safety Information 2

Voltage Selection 2

Repairs 2

Fuses 2

Modifications 2

Contents 3

Overview 4

Features 5

Connections 6

Microphone Inputs (L and R) 6

Balanced XLR Outputs 6

Output Signal Levels 7

Driving Unbalanced Loads 7

AC Power Entry Connector 7

Fuse Holder 7

Preamp Section 8

Preamp Overview 8

Microphone Gain Controls 8

Input Topology 8

Two-Stage RF Filter and CMRR 8

Phantom Power Switches 9

Input Protection 9

Polarity Switch 9

40 Hz High-Pass Filters 9

LED Output Level Meters 10

HPA2™ Headphone Output 11

“0-Ohm” Output Impedance 11

Headphone Performance 11

Rack Mounting 12

System1™ Universal Rack Adapter 12

Blank Rack Panel 12

Mounting Near Other Equipment 12

Performance Graphs 13

Frequency Response 13

High-Pass Filter - Frequency Response 14

Inter-Channel Phase Response 15

THD+N vs. Frequency 16

Wideband THD+N vs. Frequency 17

Equivalent Input Noise vs. Gain 18

Noise Spectrum 19

THD Spectrum at 1 KHz 20

THD Spectrum at 10 KHz 21

Specifications 22

Microphone Preamps 22

Direct Outputs 23

HPA2™ Headphone Amplifier 23

LED Output Meters and Gain Indicators 24

AC Power Requirements 24

Dimensions 25

Weight 25

Regulatory Compliance 26

FCC Notice (U.S. Only) 26

RoHS Compliant Information 26

CE Certificate of Conformity 27

Warranty Information 28

Benchmark Extended Warranty 29

Calibration 30

+48V Adjustment 30

1 2 3 4 5 6 7 8 ... 29 30

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