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The Dangerous Music 2-Bus Manual

Thank you for choosing products from the exciting line of 

Dangerous Music

recording equipment. Many years of dependable and trouble-free
performance can be expected from our gear. This has been made possible by
careful design, construction, and top-shelf component choices by recording
industry veterans. This manual will assist the user with installation of the
2-Bus, as well as calibration of the system.

Contents

Introduction……………………………….. 1
Safety review……………………………... 2
Overview and Hook up…………………... 3
Front Panel and Use………………………. 4
Calibration………………………………... 5
Grounding and Interface …………………. 6
Balanced and Unbalanced connections....... 7
Grounding revisited………………………. 8
Connector Pin-Outs………………...…….. 10
Specifications…………………………….. 11

Summary of Contents for 2-Bus

Page 1: ...possible by careful design construction and top shelf component choices by recording industry veterans This manual will assist the user with installation of the 2 Bus as well as calibration of the sy...

Page 2: ...large power supplies at least several rack spaces if not in a different rack away from equipment that deals with low level signals Separation of high level and low level equipment can pre empt troubl...

Page 3: ...p The 2 Bus is designed to mix the outputs of up to 16 D A converters to any stereo recorder 16x2 The 2 Bus is easily stackable to increase channel numbers and system functions when linked with other...

Page 4: ...sing if desired and then the 2 Bus This mix has 8 tracks of drums one bass two guitars one vocal with reverb and effects for maybe 2 dozen tracks total Usually a DAW user would mix this to 2 tracks an...

Page 5: ...istent mix results will be obtained if this is done There are two levels that most digital recording systems have seemed to converge on depending on whether the situation is for recording or mastering...

Page 6: ...to offer In other words A D s are set to avoid clipping for recording and D A s are set to avoid overloading the mixdown converter This is done by aligning one D A at 18dBfs and using it to calibrate...

Page 7: ...tage of the 2 Bus Signal gets through and the grounds stay put inside their respective pieces of gear Unbalanced Audio Connections An unbalanced source driving a 2 Bus input usually presents no proble...

Page 8: ...zz troubles in a recording studio While the techniques are not meant to be taken as Gospel some techs might disagree with this treatise so be it these bits of knowledge were gleaned from decades of ex...

Page 9: ...ny variables but can go from unnoticeable to raging Some people in desperation resort to using AC plug ground lifts to defeat the mains safety grounds in a random fashion until the system quiets down...

Page 10: ...e have not seen Pin 1 hot except after too many drinks The AC Mains cable The mains cable uses a standard IEC connector Please check the mains voltage selector the little red window next to the IEC co...

Page 11: ...Hz Noise floor 83 dBu audio band limited Maximum signal level 27dBu Nominal operating level 4dBu Input impedance 12k ohms bridging Output impedance 50 ohms Gain accuracy 0 02dB for any setting Power c...

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