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SOLID STATE LOGIC XLogic G Series Stereo Compressor Руководство по эксплуатации онлайн [16/18] 757876
![SOLID STATE LOGIC XLogic G Series Stereo Compressor Руководство по эксплуатации онлайн [16/18] 757876](/views2/1989591/page16/bg10.png)
Page 12
XLogic Stereo Compressor Owner’s Manual
Distortion Null
Equipment Required: Calibrated audio oscillator, audio distortion analyser and an oscilloscope
Test Signal: 1kHz sinewave at +24dBu
Input and Output: Oscillator to the Input of the channel being tested, Output to the distortion
analyser. Use the oscilloscope to monitor the measured signal.
Unit Setup: 1. Ensure that all front panel switches are off and all controls are set fully anti-
clockwise.
Adjustment: 1. Connect the test equipment to the each channel in turn and adjust the following
presets for minimum THD (< 0.006%):
Input Output Adjust
Left Left VR2
Right Right VR1
Output Balance
Equipment Required: Calibrated audio oscillator, audio level meter and a ‘balance’ adaptor (see below)
Test Signal: 1kHz sinewave at +24dBu
Input and Output: Oscillator to the Input of the channel being tested, Output to the level meter via
the ‘balance’ adaptor
Unit Setup: 1. Ensure that all front panel switches are off and all controls are set fully anti-
clockwise.
Adjustment: 1. Connect the test equipment to the each channel in turn and adjust the following
presets for minimum level (< 55dBr):
Input Output Adjust
Left Left VR8
Right Right VR7
‘Balance’ Adaptor
For the output balance adjustment, a ‘balance’
adaptor such as that illustrated here will be
required. This adaptor consists of a pair of close
tolerance resistors in an in-line cable and is used to
sum together a balanced output in order to correctly
adjust the level balance of the measured output;
perfect balance should result in complete signal
cancellation.
5K01**
5K01**
2
3
1
2
3
1
0V
+
–
0V
+
–
To measuring
equipment
From unit
under test
1
2
1
Resistor tolerence should ideally be 0.01%
Absolute level measured will depend upon the input
impedence of the measuring equipment.
1.
2.
Note
Содержание
- C o m p r e s s o r 3
- G s e r i e s 3
- Solid state logic 3
- Solid state logic 4
- Contents 5
- C o m p r e s s o r 6
- Disconnect power before replacing fuses 6
- Page 2 6
- Xlogic stereo compressor front 6
- Xlogic stereo compressor owner s manual 6
- Xlogic stereo compressor rear 6
- In warranty repairs 7
- Introduction 7
- Out of warranty repairs 7
- Warranty 7
- Definitions 8
- Electrical safety warning 8
- Installation 8
- Safety considerations 8
- Connection 10
- Installation 10
- Mounting 10
- Voltage selection 10
- Autofade 11
- Compressor controls 11
- External side chain 11
- Operation 11
- Appendix a internal links and fuses 13
- Appendix b connector details 13
- Audio input 13
- Audio output 13
- Fuses mains inlet 13
- Internal fuses 13
- Key input 13
- Remote 13
- Appendix c performance specification 14
- Common mode rejection ratio cmrr 14
- Conditions 14
- Crosstalk 14
- Frequency response 14
- Headroom 14
- Impedance 14
- Thd noise 14
- Appendix d calibration information 15
- Audio calibration 15
- Dc calibration 15
- Appendix e physical specification 17
- Appendix f environmental specification 17
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