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Front panel features

Mix Send features

The XRM is capable of generating 12 mono mixes, 6 stereo mixes, or a combination of both
mono and stereo mixes. Each of the six Odd/Even pairs of sends can be configured as a stereo
pair- the Odd pot becomes the level control, the Even pot becomes the pan pot.The changeover
to stereo operation is controlled by the STR PAIR switches located above the master faders.A
LO CUT switch is also present for activating the hi-pass filter (40Hz, -18dB/oct) for each pair of
mixes.

Mix 1 - 4 PRE 

MIX Sends 1-4 are Post-Fader

MIX Sends 1-4 are Pre-Fader

Normally, the signal feeding the Mix Sends is derived after the main Chan Level Pot (Post-Fader).
This Chan Level pot controls the level of the chan signal feeding the individual Mix Send pots.
Each Mix Send pot is then used to generate a sub-mix of this channel signal.This Post-fader signal
is also affected by the Mute switch; if the channel is muted, the Mix Send no longer receives a sig-
nal.There are some cases where an independent mix is desired, the operator doesn’t want the
Chan Level to affect the signal. On the XRM, Mixes 1 thru 4 can be switched to receive their sig-
nal PRE the Chan Level pot (Pre-fader).The default PRE setting for Mixes 1-4 is pre-fader, but it is
still post-insert/post-EQ/post Mute. An internal jumper (per channel) can be changed so that the
PRE setting becomes either pre-insert or pre-EQ.Another jumper allows this PRE setting to addi-
tionally be independent of the channel mute.

Mix Sends 1 & 2

Levels for Mixes 1 and 2 are controlled by this pair of knobs. In MONO mode, each knob con-
trols the amount of chan signal that is sent to its corresponding mix bus. In Stereo Mode, the top
knob controls the level to both buses and the bottom knob acts as a PAN control between the
two buses- full CCW for Odd, full CW for Even.

STR PAIR

sw in the UP position(located above Master Fader 1)

Knob 1:

Send level for Mix 1 

Knob 2:

Send level for Mix 2 

STR PAIR

sw in the DOWN position

Knob 1:

Send level for both Mix 1 and Mix 2

Knob 2:

Pan control between Mix 1 and Mix 2

This Send arrangement is repeated for the remainder of the Mix Send
pairs on the channel. Each pair’s operation is controlled by its own STR
PAIR switch located above the corresponding odd-numbered Master
Fader.

p. 11

Mono Input channel

1

Содержание X-RACK XRM

Страница 1: ...owner s manual X Rack rack mount mixers XRM 12 Output Monitor Mixer...

Страница 2: ...unit or operate the unit while standing in liquid 8 The power cord of equipment should be unplugged from the out let when left unused for a long peri od of time Service Information Do not open unit O...

Страница 3: ...features coupled with intelli gent circuit design and the highest standards in construction workmanship all Crest Audio console products excel above and beyond the competitor s products in every area...

Страница 4: ...CIRCUIT PROTECTION POLY FUSES XRM BLOCK DIAGRAM GC P GAIN ROTARY POT PAD LED AMP PANEL SWITCH FADER FET SWITCH BALANCED DRIVER ALL SWITCHES SHOWN IN THE UP DESELECTED POSITION AMP LIFIER GAIN SHOWN IN...

Страница 5: ...t flexi ble feature rich addition to Crest Audio s growing line of audio mixing console products conventions Control Icons This manual uses symbols to illustrate what the control descriptions are refe...

Страница 6: ...10 0 6 3 30 40 20 10 0 6 3 30 40 20 10 0 6 3 30 40 20 10 0 6 3 30 40 20 10 0 6 3 30 40 20 10 0 6 3 30 40 20 10 0 6 3 30 40 20 10 0 6 3 30 SIG PK 1 MUTE GAIN LO CUT 20 10 50 70 40 500 500 500 PRE 1 2...

Страница 7: ...nput signal is disconnected and the signal present on the 1 4 plug is fed to the preamp If plugs are inserted into both the XLR andTRS jacks this switch acts as an input selector switch between the tw...

Страница 8: ...3 30 40 20 10 0 6 3 30 40 20 10 0 6 3 30 40 20 10 0 6 3 30 40 20 10 0 6 3 30 40 20 10 0 6 3 30 40 20 10 0 6 3 30 40 20 10 0 6 3 30 SIG PK 1 MUTE GAIN LO CUT 20 10 50 70 40 500 500 500 PRE 1 2 3 4 5 6...

Страница 9: ...able boost cut and adjustable fre quency high frequency HF Boost Cut 15dB boost and cut Shelving 12 kHz high mid HM Frequency Continuously variable between 400 Hz and 8 kHz Boost Cut 15dB boost and cu...

Страница 10: ...3 30 40 20 10 0 6 3 30 40 20 10 0 6 3 30 40 20 10 0 6 3 30 40 20 10 0 6 3 30 40 20 10 0 6 3 30 40 20 10 0 6 3 30 MUTE PRE 1 2 3 4 5 6 7 8 9 10 11 12 S T R S T R S T R S T R S T R S T R HF PRE SOURCE...

Страница 11: ...ant the Chan Level to affect the signal On the XRM Mixes 1 thru 4 can be switched to receive their sig nal PRE the Chan Level pot Pre fader The default PRE setting for Mixes 1 4 is pre fader but it is...

Страница 12: ...0 70 40 500 500 500 PRE 1 2 3 4 5 6 7 8 9 10 11 12 S T R S T R S T R S T R S T R S T R 2 3 PFL 40 20 10 0 10 5 30 CHAN LEVEL 6 SIG PK 1 MUTE HF PRE SOURCE SELECT PRE SOURCE MUTE SOLO DC 10 MUTE EQ ON...

Страница 13: ...el Level Pot This rotary pot controls the level of Post Fader signal sent to the individual Mix Sends Mix Sends 5 thru 12 always receive this Post Fader signal Mix Sends 1 thru 4 have the option of se...

Страница 14: ...Pin1 Lift Split Out Balanced Input 9 48V On Chan Insert 10 XLRs Pin1 Lift Split Out Balanced Input 10 48V On Chan Insert 11 XLRs Pin1 Lift Split Out Balanced Input 48V On Chan Insert 12 XLRs Pin1 Lift...

Страница 15: ...ive Input Ring is Negative Input Sleeve is Chassis Ground Input impedance is 20K balanced XLR Mic Input jack This balanced latching female XLR accepts a low impedance microphone signal or a line level...

Страница 16: ...Pin1 Lift Split Out Balanced Input 9 48V On Chan Insert 10 XLRs Pin1 Lift Split Out Balanced Input 10 48V On Chan Insert 11 XLRs Pin1 Lift Split Out Balanced Input 48V On Chan Insert 12 XLRs Pin1 Lift...

Страница 17: ...lows an external signal processor to be inserted into the signal path of the channel The tip carries the SEND signal from the channel and the ring carries the RETURN signal back to the channel The ins...

Страница 18: ...0 6 3 30 40 20 10 0 6 3 30 SIG PK S1 MUTE PRE 1 2 3 4 5 6 7 8 9 10 11 12 S T R S T R S T R S T R S T R S T R 0 1 2 GAIN F 500 T 500 500 500 500 500 500 500 0 HF 500 SUM INPUTS STR LINE IN MIC PAD 20...

Страница 19: ...onnec tors or the 1 4 TRS input jacks located on the rear panel The XLR signal is normal d to the 1 4 TRS jack If nothing is plugged into theTRS jack the XLR signal is fed to the preamp when the LINE...

Страница 20: ...40 20 10 0 6 3 30 40 20 10 0 6 3 30 40 20 10 0 6 3 30 40 20 10 0 6 3 30 40 20 10 0 6 3 30 SIG PK S1 MUTE PRE 1 2 3 4 5 6 7 8 9 10 11 12 S T R S T R S T R S T R S T R S T R GAIN 2 M LF HF M 2 K 500 T...

Страница 21: ...d and Low Mid bands have a bell shaped response each band features variable boost cut and adjustable fre quency high frequency HF Boost Cut 15dB boost and cut Shelving 12 kHz high mid HM Frequency Con...

Страница 22: ...0 6 3 30 40 20 10 0 6 3 30 40 20 10 0 6 3 30 40 20 10 0 6 3 30 S1 MUTE PRE 1 2 3 4 5 6 7 8 9 10 11 12 S T R S T R S T R S T R S T R S T R 0 3 2 3 2 3 PFL 40 20 10 0 10 5 30 CHAN LEVEL 40 20 0 6 3 30 4...

Страница 23: ...4 PRE MIX Sends 1 4 are Post Fader MIX Sends 1 4 are Pre Fader Normally the signal feeding the Mix Sends is derived after the main Chan Level Pot Post Fader This Chan Level pot controls the level of t...

Страница 24: ...Module Block diagram Controls FOUR BAND EQ LEFT LEVEL LF LOW MID HI MID HF PRE SOURCE MUTE 10 MUTE EQ ON FADER AMPS PRE SOURCE BUFFERS NO YES SOLO LEFT XRM STEREO INPUT MODULE 4 STEREO INPUTS AVAILABL...

Страница 25: ...Channel Level Pot This rotary pot controls the level of the Post Fader signals sent to the individual Mix Sends Mix Sends 5 thru 12 always receive this Post Fader signal Mix Sends 1 thru 4 have the op...

Страница 26: ...Chan Insert 10 XLRs Pin1 Lift Split Out Balanced Input 10 48V On Chan Insert 11 XLRs Pin1 Lift Split Out Balanced Input 48V On Chan Insert 12 XLRs Pin1 Lift Split Out Balanced Line In Balanced Input X...

Страница 27: ...unctions 1 A shield connection point that allows interference signals picked up by the cable shield to be effectively shunted to ground thus avoiding signal degradation 2 A DC return path for the 48 v...

Страница 28: ...TR PAIR LO CUT 2 3 4 5 6 7 9 0 1 2 1 R N LAMP 12V SOLO PWR L R SPEAKERS ON COMMON INPUT P H O N E S 1 3 5 7 10 0 9 2 8 6 4 F 500 N 1 3 5 7 10 0 9 2 8 6 4 LEV LEV 0 9 6 12 3 6 9 3 15 24 18 21 500 STR P...

Страница 29: ...ng solo switches pressed PFL orAFL will be mixed together The resulting mixed signal will be displayed on the meters and heard in the phones and monitor system Headphone jack PHONES This 1 4 TRS jack...

Страница 30: ...N MIX BUS IN G R HPF HPF 40Hz 18dB Oct STEREO PAIR STEREO PAIR LO CUT ON AFL EVEN CTRL TO INPUT SENDS SOLO LOGIC SWITCH AFFECTS BOTH ODD EVEN COMMON INPUT L COMMON INPUT LEVEL ODD MIX BUSES 1 3 5 7 9...

Страница 31: ...anges the pair of outputs from independent mono to linked stereo The LO CUT switch activates the hi pass filters on both outputs 40Hz 18dB Oct When operating the mixes as separate Mono outputs each fa...

Страница 32: ...OLO PWR COMMON INPUT M F M 500 500 5 10 0 5 10 20 30 SIG PK 1 AFL 2 3 4 OUTPUT MASTERS STR PAIR LO CUT STR PAIR LO CUT 1 2 3 4 STR PA R O CUT STR PA R O CUT 500 500 500 500 500 500 MAIN BBON ABLE 0 WA...

Страница 33: ...by the operator In Mono mode only the associated mix is fed to the Solo system It appears as a mono signal in the Solo system equal level in both left right If the associated STR PAIR switch is depres...

Страница 34: ...RT SEND RTN XRM MIX PAIR 1 OF 6 PAIRS SHOWN ODD MIX AMP 10 PEAK AFL SIG SIG PK LED POST FADER ODD FADER 60MM PRE FADER ODD MIX BUS IN SOLO DC SOLO LEFT SOLO RIGHT AFL ODD G R HPF HPF 40Hz 18dB Oct EVE...

Страница 35: ...he Lo Cut filter on the output the return comes back at the top of the master fader Tip is Send Ring is Return Sleeve isAudio Ground Send output impedance is 100 unbalanced Return input impedance is 5...

Страница 36: ...ITOR HP LEVEL L R HEADPHONE AMP SOLO LEFT SOLO MIX AMPS SOLO DC SOLO FEED L R SOLO CONTROL LOGIC 9 6 3 0 3 6 9 12 15 18 21 24 SOLO ON PWR ON LED METERS FOLLOW SOLO SOLO RIGHT SPEAKER ON MONITOR OUT R...

Страница 37: ...am TRS Tip Hot Ring Cold Sleeve Chassis Nominal input level is 4dBu Monitor Output This output follows the Solo system and is controlled by both the HP Mntr pot and SPEAKER ON switch on the front pane...

Страница 38: ...3 OUT 2 1 3 1 CHS 2 IN 3 IN XLR Female XLR Male 1 4 TRS Input 4dBu 4dBu Passive 4dBu 4dBu 60dBu 4dBu 4dBu 4dBu T Send R Rtn S GND 1 4 TRS Insert 4dBu 2dBu T OUT R OUT S CHS 1 4 TRS Output 4dBu I O Con...

Страница 39: ...ce Audio Linking The XRM is equipped with bus in jacks on all the main mix buses see earlier Rear Panel detail allow ing the user to create a larger console out of multiple XRM XR 20 24 or combination...

Страница 40: ...ating Levels Impedance 2 1 3 1 2 3 X Rack Preamp Press For Pin 1 Lift X Rack Chassis Connection XLR Input Passive Split Out When Lift Switch Is Pressed Pin1 Of BOTH XLRs Is Disconnected From Mixer Cha...

Страница 41: ...Mix Send attenuation 85dB Phase Shift 30 degrees 20Hz to 20kHz mic in to mix out XLR In F XLR 4k ohm balanced max voltage gain to mix outs 92dB Split Out M XLR 4k ohm balanced Passive Y Split of XLR...

Страница 42: ...XRM owner s manual Version 1 01 May 28 2002 Crest P N D7000028 Crest Audio 16 00 Pollitt Drive Fair Lawn NJ 07410 201 475 4600 www crestaudio com...

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