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Contents

Rear Panel Controls

................................................................

Input Channel Connections and Switches  .................................
Effects Send and Return Connections  .......................................
Master Input/Output Connections ..............................................
Stereo Cue Return Section .........................................................
Mono Click Return Section  .......................................................


General ......................................................................................
Start

simple

.........................................................................

Audio Cable ...............................................................................
Multipair

wire

harnesses

.....................................................

Connectors .................................................................................
Proper AC Grounding ................................................................

Quality AC system ..............................................................

AC

distribution

....................................................................

Clock noise and AC ............................................................

Safety

earth

connection

.......................................................

Electronics earth ..................................................................

Proper Audio Grounding and Shielding ....................................
EMI and RFI ..............................................................................
Sources

of

EMI

...................................................................

Reducing

EMI

.....................................................................

Balanced to Unbalanced Connections .......................................

38

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47
48

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56

Chapter 5 Wiring and

Other

v

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Содержание SSM-24

Страница 1: ...Operation Manual S y n t h a n d L i n e M i x e r l Model SSM 24 l Model SSMEX 16 l Model SSMEX 32 MODEL SSM...

Страница 2: ...ing from improper installation alteration or unauthorized parts or repairs If the product is modified by the customer without permission the customer agrees to pay for parts and labor necessary to rem...

Страница 3: ...ries Regulated power supply Rack mount adapters Interface Harness Optional Accessories SSM 16 Input Expander Assign 28 Subgroup Module Microphone Preamps Rack Mount Slide Tilt Adapter Expression Pedal...

Страница 4: ...Cleaning Interfacing Expanders Mounting location Installing the Interface Cable Expander pin assignment Interfacing the Assign 28 Mounting location Connecting the Assign 28 Expression Pedal Connecting...

Страница 5: ...eneral Start simple Audio Cable Multipair wire harnesses Connectors Proper AC Grounding Quality AC system AC distribution Clock noise and AC Safety earth connection Electronics earth Proper Audio Grou...

Страница 6: ...perly wired receptacle before making any audio connection to the mixer A protective ground connection by way of the grounding conductor in the power cord is essential for safe operation Upon loss of t...

Страница 7: ...2 Figure 1 Front Panel Layout Chapter 1 Introduction Section...

Страница 8: ...Figure 2 Rear Panel Layout 3 Chapter 1 Introduction Section...

Страница 9: ...cts devices The SSM has a comprehensive master section that allows the synth player to maintain total control over all equipment connected to the mixer The mixer is divided into three basic sections T...

Страница 10: ...to a wide range of professional situations The SSM mixing system is available in three models the SSM 24 12 stereo input channels the SSMEX 16 Expander 16 mono channels and the SSMEX 32 Expander 16 s...

Страница 11: ...ched at each end Shorter cable lengths are available from the factory The Model SSM is prewired for input expansion With the addition of the 16 input Expander and its interface harness a SSM Mixing Sy...

Страница 12: ...be installed in any input position of the Main Unit or the Expander Mike preamps are not available on stereo input channels The SSM main unit or 16 channel Expander may be fitted with an optional rack...

Страница 13: ...10k Ohms 10k Ohms 10k Ohms 10k Ohms 600 Ohms 10k Ohms 600 Ohms 10k Ohms 150 Ohms All line outputs are designed to drive a 600 ohm load and may be operated into any load 600 ohms or greater Direct Out...

Страница 14: ...i polar 16 5 volts DC 1 3 Amp 120 VAC 1 0 Amp Dimensions SSM Main Unit Dimensions SSM Expander Dimensions Power Supply HxWxD 15 75 x 19 x 4 25 400mm x 483mm x 108mm HxWxD 15 75 x 19 x 4 25 400mm x 483...

Страница 15: ...nevertheless be planned to avoid locating the SSM optional SSM Expander or any low level audio equipment immediately adjacent to power amplifiers power supplies or any source of Electromagnetic emiss...

Страница 16: ...repair to be accomplished Include the model number and serial number of the product Place the product in the original container if available If the original container in not available a suitable one c...

Страница 17: ...ional Expander may be affixed to standard E I A rack rails using 8 10 32 machine screws The location of the SSM and Expander should be such that the operator has a clear unobstructed view of the front...

Страница 18: ...power switch The power supply should not be installed directly above or below the mixers It is recommended that it be installed in the rear of the equipment rack providing that it remains at a reasona...

Страница 19: ...before reconnection to the mixer The following chart represents the proper AC terminal configuration for the Model PS3 1 5 power supply The following chart represents the proper fuse rating for the Mo...

Страница 20: ...unding terminal should be used when it is necessary to connect the SSM and Expander to a qualified ground This ground terminal should not be relied upon as a source of ground for other electronic equi...

Страница 21: ...s should be set centered All pushbutton switches on the front and rear panel should be set to the out position and the three toggle switches at the rear should be set in the up position When any futur...

Страница 22: ...be made to modify or extend this cable Any attempt to modify or extend this cable could result in extreme noise oscillation hum or buzzes or total failure of the Model SSM Before connecting the SSM Ex...

Страница 23: ...eturns that may be interconnected to the 8 effects returns of the Model SSM This would require 16 cables It is recommended that multipair harnesses be used in lieu of numerous single cables For more c...

Страница 24: ...order to operate the volume pedal The following chart represents the audio connections available at the 6 pin DIN connector at the rear of the SSM main unit PIN 1 INSERT OUT RIGHT PIN 2 INSERT OUT LEF...

Страница 25: ...ccept any stereo synth signal and all controls and switches in the signal path will simultaneously adjust the parameters of the left and right signals The mono input channel accepts a single mono synt...

Страница 26: ...Chapter 4 Operation Section 21 Figure 3 Input Channel...

Страница 27: ...ameters and the Boost Cut Control adjusts the second of the parameters The third possible parameter available on a parametric equalizer would be the frequency bandwidth adjustment The bandwidth Q for...

Страница 28: ...arger knobs are numbered 5 thru 8 top to bottom Each stereo channel also incorporates an effects Sum Split switch located at the rear When this switch is in the Sum position the source for effects sen...

Страница 29: ...d any left right position set by the Pan Balance Control to the stereo mix will be maintained when the In Place Solo Switch is depressed The direct outputs on each input channel also remain unaffected...

Страница 30: ...nnels Mono Switch is enabled this control acts like a traditional pan pot placing the mono signal anywhere in the stereo left right perspective The stereo input channel employs a dual linear motion sl...

Страница 31: ...Chapter 4 Operation Section 26 Figure 4 Effects Send and Return Channel...

Страница 32: ...ng of approximately two to three o clock could yield an adequate level of effect when matched with an effects unit that is properly operated at a professional input output level of 4dbm This control a...

Страница 33: ...Chapter 4 Operation Section 28 Figure 5 Master Section...

Страница 34: ...th all the solos on the SSM only the monitor and or headphone outputs are affected Effects returns may be individually muted or unmuted even if the Group Master Solo is activated This is a convenient...

Страница 35: ...lows talkback to the stereo program 1 4 and XL outputs The signal to the stereo monitor feed is muted when the Talkback Switch is enabled This control adjusts the volume of the talkback circuit to the...

Страница 36: ...optimized for a passive pedal which will always afford far better sonic results than its active counterparts Remember the moment you insert a powered pedal at this point you are subjecting your entire...

Страница 37: ...recording console and solo capability desired then it is completely acceptable to utilize the solo capable monitor outputs for this purpose The integrity of this signal is virtually equivalent to tha...

Страница 38: ...ster Control does not affect the operation of the program level or monitor level This standard 1 4 stereo phone jack will operate with any impedance headphones This jack is identical in operation to t...

Страница 39: ...Chapter 4 Operation Section 34 Figure 6 Cue Click Aux Return Sections...

Страница 40: ...Return Control adjusts the level of an external stereo cue source and returns only to the monitor master and or the headphone outs This control allows the Cue Return to be panned anywhere in the stere...

Страница 41: ...of Speck s Assign 28 subgroup module to be routed to the monitor and or headphone outputs of the SSM The Stereo Aux Return Section includes the return level control the return pan control the return m...

Страница 42: ...Chapter 4 Operation Section 37 Figure 7 Input Channel Connectors and Switches...

Страница 43: ...the equalizer slide fader mute switch or kill switch The insert jacks may be used to connect limiters additional equalization noise gates etc The direct output jack provides a line level signal for c...

Страница 44: ...ociated XL mike input connector is only available on a mono input channel and is identified with a grey pushbutton immediately above the four 1 4 jacks The absence of any switch in this position indic...

Страница 45: ...Chapter 4 Operation Section Figure 8 Effects Send and Return Connectors 40...

Страница 46: ...connector utilized on the effects unit phone RCA XL barrier strip etc Each effects return provides two discrete unbalanced 1 4 T S jacks for connection from the outputs of a left right stereo effects...

Страница 47: ...Chapter 4 Operation Section Figure 9 Master Input Output Connectors 42...

Страница 48: ...ilable 4dbm or 18dbm The 6 pin DIN connector provides a convenient interface to any passive stereo volume pedal via an optional interface cable This connector provides a stereo send and stereo return...

Страница 49: ...am feed connectors are available for interface to the input of an external console stereo tape recorders etc The use of the balanced XL connectors does not affect the operation of the unbalanced 1 4 c...

Страница 50: ...on allowing a second set of stereo headphones to be connected to the SSM Although not required it is recommended that headphones of the same type and impedance be used when using the front and rear he...

Страница 51: ...Chapter 4 Operation Section Figure 10 Cue Click Aux Return Connectors and Switches 46...

Страница 52: ...r pin configuration for the Cue XL connector There is always the possibility that a balanced cue feed provided by for example a control room to the SSM may in fact be 180 degrees out of phase with the...

Страница 53: ...grees out of phase with the SSM s balanced input This is the result of a non conforming pin out configuration being applied to the SSM s balanced connector When the Phase Switch is in the normal posit...

Страница 54: ...ereo mix The nominal setting factory preset for this trim control is fully clockwise The main program left right feed and VU meter levels of the SSM remain unaffected by this adjustment of the Program...

Страница 55: ...Chapter 4 Operation Section Figure 11 Expander and Power Supply Connectors 50...

Страница 56: ...ower supply cable The connectors are keyed so they will only fit in one direction For installation instructions refer to the Interface Section of this manual This grounding terminal should be used whe...

Страница 57: ...itor power amp and then add one synth to the mixer at a time carefully listening and monitoring your progress If a problem arises such as a buzz hum intermittent signal or nonexistent signal stop at t...

Страница 58: ...rocessor based equipment When using a larger rack system it is recommended that a dedicated and isolated AC service be provided This service should have its own AC wires isolated receptacle and breake...

Страница 59: ...resistance That will most likely be your audio equipment and would result in unwanted buzzes or hums In order for any audio signal such as a synth signal to get from the synth to the mixer it require...

Страница 60: ...I emissions generated by other electronic devices There are natural and man made sources of EMI that you can t do anything about These sources include radio TV and radar transmitters as well as motors...

Страница 61: ...anual of each piece of audio equipment for specific details Due to the lack of standards for XL connectors some equipment may use pin 3 of the XL for the high signal For this configuration connect pin...

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