Peavey X-Eight HS - Manuals

Page 2 - X-Eight owner’s manual; HS block diagram

X-Eight owner’s manual HS block diagram 2 5 5 1 3 7 7

Page 3 - table of contents

1 2 3 4 5 groups HS p. 41 groups RT p. 59 master HS p. 73 6 master RT p. 101 7 micro muting system p. 125 8 power supply p. 141 stereo inputs p. 25 mono inputs p. 7 table of contents

Page 4 - RT block diagram

X-Eight owner’s manual RT block diagram OFF SCL+ ∑ Ø 1 +8 2 3 4 LINE 1 IN L R L R L R L LF POST F ADER CTRL FDR Σ Σ Σ Σ LR MUTE SCENE SELECT GC P 2 4 6 6 1 7 7

Page 5 - how to use this manual; conventions; see—references other sections of the manual containing

how to use this manual conventions terms indicators or controls employed on the X-Eight console will appear as: TERMS tasks are broken down into steps 1 2 3 warnings indicators tips see see—references other sections of the manual containing supplementary information on the current topic or a related...

Page 6 - mono input module; module

p. 6 X-Eight owner’s manual mono input module module panel legend block diagram 1

Page 7 - features; 8 volts DC is applied to pins 2 and 3 on the mic-input XLR con-; pad; The mic-input signal is attenuated by 20dB to prevent some signals; line; The input preamp circuit is set up to accept a mic-level signal. This; polarity reverse—ø; polarity inverted

p. 7 mono input module features phantom power—+48 V 48 volts DC is applied to pins 2 and 3 on the mic-input XLR con- nector. This option is used with condenser microphones and active directboxes that require an external DC voltage (phantom power) in order tooperate. pad The mic-input signal is atten...

Page 9 - gain; HPF

p. 9 mono input module features gain The Input gain control range is closely related to the status of the PAD switch and the LINE switch. In order to establish proper gain structure in the console, input gain settings must be set correctly. LINE —switch-up PAD —switch-up 15 to 75dB of gain can be ad...

Page 11 - EQ; high frequency—HF

p. 11 mono input module EQ features Many audio signals coming into the console require some degree of cor-rective eq in order to be part of a good sounding mix. The input eq consists of four-bands: high, high-mid, low-mid and low.The high and low bands have fixed frequencies while the high-mid and l...

Page 13 - aux; send features; see—; internal jumper options

p. 13 mono input module aux send features Eight auxiliary AUX SENDS are available for creating individual output mixes. These mixes can be used for driving effects processors, providing monitormixes, creating broadcast or alternate sound reinforcement mixes, orother special requirements. aux sends 1...

Page 15 - bus assignment features; pan control; safe preview—LED

p. 15 mono input module bus assignment features The Input bus assignment section offers considerable flexibility for creat-ing what eventually becomes the main output mix. Such features as LCR , GROUP PAN ON and eight-individual group assignments allow several approaches to building the desired mix....

Page 17 - steady; mute; microprocessor muting

p. 17 mono input module bus assignment features safe preview—LED Red steady This indicates that the mute has been activated by the micro mute sec- tion and is part of the current mute scene. Red flashing This indicates that the micro mute system is in edit-preview mode and the channel is part of the...

Page 19 - level meter features; level meter; peak indicator—PK; signal level; —green; signal present indicator—SIG

p. 19 mono input module level meter features level meter Each input includes a five-segment LED meter for visually monitoring signal levels.This is essential for setting up and main-taining proper gain structure. peak indicator—PK The input signal is monitored at several points throughout the chan- ...

Page 21 - mono assignment—M; odd–left; group 1–8 assignment; pan on—groups; input fader; solo; master module; , solo control system

p. 21 mono input module bus assignment features mono assignment—M The signal is assigned to the discrete mono bus. When the LCR button is depressed, this switch is bypassed. left / right assignment—L-R The Input signal is assigned to the main Left and Right output buses, deriving its signal after th...

Page 22 - Direct

1 p. 22 X-Eight owner’s manual mono input module module panel block diagram Direct Out Bal Line In Bal Mic In S e n d R e t u r n I n s e r t

Page 23 - rear panel features

p. 23 mono input module rear panel features direct out 1/4" TRS jack The input channel's signal is available at this output jack.The default signal routing is derived post-fader, post-eq and post-mute.Thisoutput jack is ground-compensated. insert points Separate 1/4" TRS jacks provide the fa...

Page 24 - stereo input module

p. 24 X-Eight owner’s manual stereo input module module panel block diagram 2

Page 25 - line select—Line 2; XLR; RCA; left and right mono-switches

p. 25 stereo input module features The stereo input module can be configured to operate as either stereo ormono. When configured to operate in mono, many features are identicalto those of the mono input module. line select—Line 2 This switch determines selection of input signals from the three sets ...

Page 27 - input gain—; Both left and right input signals are affected by this control.; Polarity of the right input signal is inverted.

p. 27 stereo input module features input gain— GAIN This control adjust the gain of the input preamp(s). Both left and right input signals are affected by this control. polarity reverse—ø This switch inverts the polarity of the right input signal in relation to theleft input signal. see— mono input ...

Page 31 - for mono operation; aux send 1– 8 controls; stereo balance; stereo balance 5 and 6—; stereo balance 7 and 8—

p. 31 stereo input module aux send features The following descriptions apply to the stereo line input module whenconfigured for stereo operation. see— mono input module for mono operation aux send 1– 8 controls These knobs adjust the amount of signal sent the AUX buses. AUX 1–4 are fed from a summed...

Page 33 - balance control; Group Assignment section when in Balance mode.; safe preview; for full description

p. 33 stereo input module bus assignment features balance control The Balance control adjusts the Stereo balance for Left/Right and the Group Assignment section when in Balance mode. When the Stereo Line Input module is being used as a Mono input, both(left and right select switches depressed) the B...

Page 35 - Then the channel gain should reduced.; This; signals are summed to make up the mono or center signal.; left/right assignment—; The proportion of left vs. right can be adjusted by the

p. 35 stereo input module bus assignment features peak indicator—A separate PK and SIG LED is provided for leftand right The input signal is monitored at several points throughout the chan- nel. These points are the mic preamp, the EQ stage and the fader stage.Overloads at any of these stages will c...

Page 37 - balance on—groups—; left; balance on—groups

p. 37 stereo input module bus assignment features balance on—groups— BAL ON The left and right signals are summed as mono to make up the group assignment signals. The left and right signals are assigned in stereo to the groups in odd/even pairs. GROUP assignment switches 1, 3, 5 and 7 carry the left...

Page 38 - Bal Line In 2; block diagram

2 p. 38 X-Eight owner’s manual stereo input module module panel Bal Line In 2 L R Bal Line In 1 L R Line In 2 L R block diagram

Page 39 - line 2; switch on front-panel must be disengaged for these connectors to; switch on front panel must be engaged for these jacks to be active.; switch on front-panel is engaged and nothing is plugged into the

p. 39 stereo input module rear panel features The stereo line-input module provides connectors for three stereo line-level signals. see— line 2 switch. balanced left and right line-in XLR connectors These two jacks accept balanced or unbalanced +4dB line level signals.The LINE 2 switch on front-pane...

Page 40 - group HS module

p. 40 X-Eight owner’s manual group HS module module panel block diagram MONO L-R ∑ CABLE - 50 W A Y SIGNAL PRESENT INSER T SEND XFORMER OPTION +10 F ADER AMP PEAK GROUP BAL OUT GR OUP PA N POST GR OUP MA TRIX SENDS M1 M2 F ADER IN X -Eight–HS GR OUP MODULE (1 OF 4 X 2) REVERSE A UX / GR OUP GROUP MI...

Page 41 - output; eq; matrix masters

p. 41 group HS module output eq features The HS output-section includes twelve output-equalizers occupying theupper portions of the eight GROUP sub-modules and the four MASTER sub- modules. By using designated assignment switches, output eq’s can be fed by theeight AUXES or GROUPS , the four matrix ...

Page 43 - equalizer—EQ ON; Equalizer is on. This switch can be used to make A/B comparisons; group equalization —per output channel—; This switch selects the signal path for the eq.; eq to

p. 43 group HS module output EQ features equalizer—EQ ON Equalizer is on. This switch can be used to make A/B comparisons between "flat" and eq'd signals. group equalization —per output channel— EQ TO GROUP This switch selects the signal path for the eq. eq to AUX MASTERS eq to GROUPS This s...

Page 45 - matrix features; matrix

p. 45 group HS module matrix features The X-Eight HS includes four MATRIX outputs. Each of these outputs can be made up of signals from the eight GROUPS ; the left, right and mono buses; and an external source. matrix 1– 4 levels—M1, M2, M3, M4 These level controls are used to mix the group's signal...

Page 47 - master output features; aux 1–8 output level

p. 47 group HS module aux master output features This section includes the standard output features for AUX SENDS 1– 8. safe preview LED see— mono input module for full description mute see— mono input module for full description aux 1–8 output level The AUX MASTER output level controls set the leve...

Page 49 - reverse aux; off; on

p. 49 group HS module reverse aux / group The REVERSE AUX / GROUP feature is used to swap the functions of the AUX MASTER controls and the GROUP MASTER controls. Swapped controls include: the TALK TO switch, the SOLO switch, the MUTE switch, the SAFE PREVIEW LED and the MASTER LEVEL control (via rot...

Page 51 - group assignment features; mono assignment—from group—; left/right assignment—from group—; pan; stereo left

p. 51 group HS module group assignment features mono assignment—from group— MONO The GROUP signal is assigned to the discrete mono bus. left/right assignment—from group— L/R The GROUP signal is assigned to the main left and right output buses. pan The PAN pot is used to position the group signal wit...

Page 53 - group; talk to—fader 1–8

p. 53 group HS module group / aux level features signal/peak LED ’s This dual color LED responds to the pre-fader signal. It illuminates green with varying brightness in proportion to the audio signal.When thesignal approaches clipping, either pre or post fader, the LED illuminates red. talk to—fade...

Page 54 - Group Out; Return; Group In

p. 54 X-Eight owner’s manual group HS module module panel 1 Group Out AUX1 Out InsertSend Return InsertSend Return Group In 1 block diagram MONO L-R ∑ CABLE - 50 W A Y SIGNAL PRESENT INSER T SEND XFORMER OPTION +10 F ADER AMP PEAK GROUP BAL OUT GR OUP PA N POST GR OUP MA TRIX SENDS M1 M2 F ADER IN X...

Page 55 - group output; group fader; group insert point; group insert send

p. 55 group HS module rear panel features group output This balanced male XLR connector carries the GROUP output signal. see— group fader , front-panel description group insert point Separate 1/4" TRS jacks provide the ability to insert an external signal processor into the signal path of the GR...

Page 57 - section, front panel description

p. 57 group HS module rear panel features auxiliary 1– 8 output XLR’s This balanced male XLR connector carries the AUX output signal. These outputs are controlled by their respective AUX output level controls. see— aux section, front panel description aux insert point Separate 1/4" TRS jacks pro...

Page 58 - group RT module

p. 58 X-Eight owner’s manual group RT module module panel block diagram 4

Page 59 - group output control features; safe preview—; group output level control; talk to

p. 59 group RT module group output control features This section controls signals sent to the GROUP OUTPUT XLR on the rear panel. safe preview— LED see— mono input module mute see— mono input module group output level control This control is used to adjust the signal level at the GROUP OUTPUT XLR. N...

Page 61 - matrix 1–4 level controls

p. 61 group RT module matrix features The X-Eight RT includes four MATRIX outputs. Each MATRIX mix can draw signals from the eight GROUP buses; the left, right, and mono buses; and an external source. matrix 1–4 level controls These level controls are used to mix the GROUP ' S signal into the cor- r...

Page 63 - external tape input assignment features; level

p. 63 group RT module external tape input assignment features Each of the eight GROUP sub-modules includes a TAPE - IN section, although this section is not directly associated with the GROUPS . Its function is to provide a line return (or input) that can be assigned tothe left, right and mono outpu...

Page 65 - mono

p. 65 group RT module aux / group assignment features aux sends 5–8 This section is used to send signals to AUXES 5 through 8. The aux signals can originate from the TAPE - IN section or the GROUP section, pre- or post- fader depending on settings of the switches below. group-to-aux assignment— GROU...

Page 67 - group / aux level features; left/right assignment; group mute

p. 67 group RT module group / aux level features left-center-right—LCR The post-fader GROUP signal is assigned to the left, right and mono/center buses. Relative amounts of the signal fed to each bus is deter-mined by the position of the PAN pot. pan The PAN pot positions the signal within the stere...

Page 68 - Matrix In 1

4 p. 68 X-Eight owner’s manual group RT module module panel Matrix In 1 S e n d R e t u r n Group 1 Out Tape In 1 I n s e r t block diagram

Page 69 - insert point; insert send

p. 69 group RT module rear panel features tape/line-input jack A +4dBu line-level signal, balanced or unbalanced, is brought in through thisjack. see— tape-in , front-panel description insert point Separate 1/4" TRS jacks allow insertion of an external signal processor into the signal path of th...

Page 71 - front-panel description; microprocessor mute system; DC; lamp dim

p. 71 group RT module rear panel features matrix in 1–4 located on the back of the GROUP 1–4 block These 1/4"TRS jacks accept balanced or unbalanced +4dBu line level sig- nals.They act as external inputs for MATRIX 1–4 . see— master module , MATRIX 1–4 front-panel description midi in, midi out l...

Page 72 - master HS module

p. 72 X-Eight owner’s manual master HS module module block diagram 5 panel

Page 73 - HS; high-mid frequency—HM

p. 73 master HS module output EQ features On the MASTER module block, the default sources for the four output eq’s are the MATRIX 1–4 masters. By using designated assignment switches, source for the first three outputeq’s can be switched over to the left, right and mono masters.The fourtheq is alway...

Page 75 - low frequency—LF; Selectable frequency range of 20Hz to 400Hz.; equalizer—; EQ ON; eq’s on the first three master sub-modules.The fourth; does not include a switch because its source is always; are fed to the first three eq’s.

p. 75 master HS module output EQ features low frequency—LF Selectable frequency range of 20Hz to 400Hz. The response is bell-shaped with a fixed Q of 1.5. 15 dB boost/cut. equalizer— EQ ON Equalizer is on. This switch can be used to make A/B comparisonsbetween flat and eq’d signals. left, right, mon...

Page 77 - muted; external input levels—; external matrix routing—; MTX 1 IN TO ALL

p. 77 master HS module matrix features The X-Eight HS includes four MATRIX mixes. Each of these outputs can be made up of signals from the eight GROUPS , left, right, mono and an external source. left, right, and mono levels— MATRIX 1–4 These level controls are used to mix the left, right, and mono ...

Page 79 - matrix output features; safe preview LED; master output levels; TALK TO

p. 79 master HS module matrix output features safe preview LED see— mono input module mute see— mono input module master output levels —MTX 1–4 These are the MASTER output level controls for the MATRIX section. They control the levels that appear at the corresponding MATRIX output connectors on the ...

Page 81 - alternate out features; alternate out level; sum mono; pre switch

p. 81 master HS module alternate out features The ALTERNATE output section allows assignment of the left and right MASTER signals (plus center—if LCR - TO - OUTPUTS is selected) to a separate pair of bal- anced male XLR connectors on the rear-panel. By utilizing the mode switches located below the A...

Page 83 - talkback alternate; —TALK TO ALT OUT; main

p. 83 master HS module alternate out features talkback alternate —TALK TO ALT OUT The TALKBACK system output is added to the left and right ALT out- puts.The level of the TALKBACK signal is set by the TALKBACK level control in the MASTER section. talkback left/right —TALK TO L/R The TALKBACK system ...

Page 85 - left and right level features; left and right master faders; These faders govern the main left and right output levels.; responds to the combined pre-fader stereo sig-; nated) the left and right signals from the console's; are monitored in stereo.

p. 85 master HS module left and right level features left and right master faders These faders govern the main left and right output levels. signal/peak LED—SIG/PEAK This dual-color LED responds to the combined pre-fader stereo sig- nal. It illuminates green with varying brightness in proportion to ...

Page 87 - monitor output features; alternate out; monitor talkback; —TALK TO MONITOR OUT

p. 87 master HS module monitor output features The MONITOR output section controls the audio feed for the console oper- ator. Features are similar to those of ALT OUT section, except that the MON - ITOR section is normally used to access the SOLO system as well as main outputs. Like the alternate ou...

Page 89 - local monitor output features; talkback mono; —TALK TO MONO; main left/right to mono—

p. 89 master HS module local monitor output features talkback mono —TALK TO MONO The TALKBACK system output is added to the mono MASTER output. The level of the TALKBACK signal is set by the TALKBACK level control in the MASTER section. main left/right to mono— L/R TO MONO The MAIN left and right po...

Page 91 - mono master level features; mono master fader; This fader governs the mono output level.

p. 91 master HS module mono master level features mono master fader This fader governs the mono output level. solo Pressing this switch will include or exclude the mono signal from the console's SOLO system. see— master module , solo control system 5

Page 93 - talkback features; talkback level; —TALK ON

p. 93 master HS module talkback features The TALKBACK system provides facilities for assigning an external signal (usually the console operator's microphone) to any of the console's out-puts. Other signals can be routed through the TALKBACK system including an external tone oscillator or the built i...

Page 95 - solo control features; headphone level; last pressed

p. 95 master HS module solo control features headphone level This control governs the level at the headphone jack located in the front of the console under the arm rest. solo clear When this switch is lit, it indicates that at least one SOLO on the console is active. Depressing this switch will clea...

Page 97 - left and right alternate output; XLR output jack on monitor; monitor; matrix 1– 8 output; left, right and mono output

p. 97 master HS module rear panel features left and right alternate output XLR ’s This pair of balanced male XLR connectors carries the left and right ALT OUT signals.These outputs are controlled by the ALT OUT level control. see— left and right alternate output , front-panel description XLR output ...

Page 98 - power detail

5 p. 98 X-Eight owner’s manual master HS module module Alt R Out InsertSend Return RightOut In Out MIDI/DC power detail MIDI In Out DC In block diagram panel

Page 100 - master RT module

block diagram MATRIX LEVEL MONO SOLO L-R SOLO LEFT POST FADER GC +10 ∑ AUX LEVEL AUX BAL OUT +10 TALK TO AUX TALK TO AUX Σ p. 100 X-Eight owner’s manual master RT module module panel 6

Page 101 - matrix master output features; matrix output levels—

p. 101 master RT module matrix master output features This section includes the standard output features for MATRIX 1–4 . safe preview LED see— mono input module mute see— mono input module matrix output levels— MTX 1–4 These are the MASTER output level controls for the MATRIX section. They control ...

Page 103 - matrix level control features; external matrix 1–4 input levels controls

p. 103 master RT module matrix level control features matrix 1–4 levels—left, right, and mono These level controls mix the left, right and mono signals into the cor- responding matrix. external matrix 1–4 input levels controls These level controls are used to mix the external MATRIX input signals in...

Page 107 - alternate output features; alternate output level; —ALT OUT; pre; —TALK TO ALT OUT

p. 107 master RT module alternate output features The alternate output section allows assignment of the left and right mastersignals to a separate pair of balanced male XLR jacks on the rear-panel. By utilizing the mode switches located below the ALT OUT level control, these signals can be derived i...

Page 109 - solo control system

p. 109 master RT module left / right master fader features talkback left/right— TALK TO L/R The TALKBACK system output is added to the left and right MASTER output.The level of the TALKBACK signal is set by the TALKBACK level control in the master section. sum left/right— SUM L/R The MAIN left and r...

Page 113 - The; system output is added to the left and right; outputs.The level of the; signal is set by the; trol in the

p. 113 master RT module features monitor talkback —TALK TO MONITOR OUT The TALKBACK system output is added to the left and right MONITOR outputs.The level of the TALKBACK signal is set by the TALKBACK level con- trol in the MASTER section. 6

Page 115 - mono talkback

p. 115 master RT module mono master level features mono talkback —TALK TO MONO The TALKBACK system output is added to the mono MASTER output. The level of the TALKBACK signal is set by the TALKBACK level control in the MASTER section. left/right to mono —L/R TO MONO The MAIN left and right post-fade...

Page 117 - pink noise; —LCR TO OUTPUTS

p. 117 master RT module talkback features The TALKBACK system provides facilities for assigning an external signal (usually the console operator's microphone) to any of the console's out-puts. Other signals can be routed through the TALKBACK system including an external tone oscillator or the built-...

Page 119 - solo clear

p. 119 master RT module solo control features headphone level This control governs the level at the headphone jack located in the front of the console under the arm rest. solo clear When this switch is lit, it indicates that at least one SOLO on the console is active. Depressing this switch will cle...

Page 121 - auxiliary 1–8 output; aux master output

p. 121 master RT module rear panel features matrix 1– 4 output XLR ’s This group of four balanced male XLR connectors carries the MATRIX 1–4 output signals.These outputs are controlled by their respective MATRIX output level controls. see— matrix , front-panel description auxiliary 1–8 output XLR ’s...

Page 123 - hearing assist output; left and right monitor output

p. 123 master RT module rear panel features left, right, and mono output XLR ’s This group of three balanced male XLR jacks carries the left, right and mono output signals. These outputs are controlled by the left, right and mono output faders. see— left, right, and mono masters hearing assist outpu...

Page 124 - microprocessor muting system

p. 124 X-Eight owner’s manual microprocessor muting system module mute control panel typical channel block diagram LR LR ∑ ∑ 7

Page 125 - mute controller; B. Holding either button; down; J of any channels assigned to the selected

p. 125 microprocessor muting system features Crest Audio X-Eight consoles are equipped with a MICROPROCESSOR MUTE CONTROLLER which permits the user to set-up a series of MUTE SCENES , each controlling any combination of channels and outputs. These scenes canthen be recalled, either singly or in comb...

Page 127 - G. Normally any or all of; B shows which of the 128 possible; not currently

p. 127 microprocessor muting system features mute controller E— SINGLE SCENE There are nine MUTE sources available from the MUTE CONTROLLER : the eight MANUAL MUTE SCENES H, and the MICRO SCENE G. Normally any or all of these nine sources can be active at-one-time, which allows the operatorto combin...

Page 129 - channel mute controls; L will still be lit, and the; invisibly

p. 129 microprocessor muting system features channel mute controls J— STATUS LED This bi-color LED , associated with each controlled-mute, shows the con- dition of that mute. One-of-five possible states is possible: 1 OFF —The channel is not controlled by the MUTE CONTROLLER . 2 STEADY RED —The chan...

Page 131 - mute scenes; G was selected, then the; D button. After a brief delay, the display will change to

p. 131 microprocessor muting system features mute scenes There are nine possible scene sources: MANUAL MUTE SCENES 1–8 , and the MICRO SCENE . The MICRO SCENE button G is the enable-switch for the 128 possible SEQUENCED SCENES .The eight MANUAL MUTES are totally independent of the 128 SEQUENCED SCEN...

Page 133 - copying a mute scene; A keys to change

p. 133 microprocessor muting system features copying a mute scene MUTE SCENES can be copied from a SEQUENCED SCENE ( PATCH ) to a MANUAL MUTE SCENE . Manual MUTES cannot be copied to sequenced scenes or to each other. To copy a SEQUENCED SCENE into a MANUAL MUTE SCENE , follow the steps outlined bel...

Page 135 - safe scene; J of a; J of any channel assigned to the; safe; L will be off. If the channel was being

p. 135 microprocessor muting system features safe scene There may be occasions when a channel needs to be made SAFE from all programmed mutes. This may occur during a show when an on-stagemicrophone needs to be used as an announcer’s mic, or a switch-over hasto be made to a backup-channel due to som...

Page 137 - utilities

p. 137 microprocessor muting system features utilities The MUTE CONTROLLER has a number of parameters that the user can change. A UTILITY mode is provided for accessing these settings. The fol- lowing is a current list of parameters, along with their default and otherpossible settings. The default-s...

Page 139 - changing/reviewing utility settings; uP of the parameter list.

p. 139 microprocessor muting system features changing/reviewing utility settings The UTILITY settings can be accessed by entering UTILITY mode. Once there, the different parameters can be changed to suit user’s preferences. Thechanges stay in effect until they are again modified by the user, or a SY...

Page 140 - power supply; model 5A power supply

p. 140 X-Eight owner’s manual power supply HS master rear-panel DC In Alt R Out Alt L Out InsertSend Return RightOut InsertSend Return LeftOut In In RT group rear-panel S e n d R e t u r n S e n d R e t u r n DC In Group 5 Out Group 6 Out I n s e r t I n s e r t model 5A power supply specifications ...

Page 141 - power supply usage; supply identification; —each new power supply is shipped with the AC; twin-supply operation; both

p. 141 power supply power supply usage supply identification The type of power supply can be identified by the model number shownon the back of the chassis and panel label. power requirements The X-Eight power supplies have certain electrical requirements for properoperation. If possible the power s...

Page 143 - console and power supply grounding; connectors, the sleeves of; at the rear of the power supply.; redundant power supplies

p. 143 power supply power supply usage console and power supply grounding Console chassis ground is electrically connected to: the audio ground, pin-1 of XLR connectors, the sleeves of 1/4” sockets, and to the terminal CON - SOLE GROUND at the rear of the power supply. The AC third-wire connection i...