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22

LOW MID and

FREQ

The

LOW-MID EQ

has a fixed bandwidth of

1.5 octaves. The

LOW-MID

knob sets the amount

of boost or cut up to 15dB, and is flat at the cen-
ter detent. The

FREQ

knob sets the center

frequency, sweepable from 45Hz to 3kHz.

20

Hz

100

Hz

1k

Hz

10k

Hz

20k

Hz

–15

–10

–5

0

+5

+10

+15

20

Hz

100

Hz

1k

Hz

10k

Hz

20k

Hz

–15

–10

–5

0

+5

+10

+15

LOW 80HZ

The

LOW EQ

provides up to 15dB boost or

cut at 80Hz and is flat at the center detent po-
sition. This frequency represents the punch in
bass drums, bass guitar, fat synth patches, and
some really serious male singers.

Used in conjunction with

HPF

, you can

boost the

LOW EQ

without injecting a ton of

infrasonic debris into the mix. In fact, we rec-
ommend using the

HPF

feature on all

Channels at all times.

20

Hz

100

Hz

1k

Hz

10k

Hz

20k

Hz

–15

–10

–5

0

+5

+10

+15

EQ IN

Point Before:

INSERT

RETURN

(switch

up),

EQ

output (switch down)

Point After:

MUTE

switch,

PFL

to Channel

Meter

and

SOLO

.

If the switch is up, the

EQ

won’t work. If it’s

engaged (down), the

EQ

will work. The favor-

ite use of an

EQ

switch is to compare a signal

modified by

EQ

to the unmodified signal, to

determine if your

EQ

settings are taking you

where you want to go. As mentioned earlier,
the

EQ

boost/cut controls are all flat (no boost

or cut) at their center detents, so this switch
could actually be engaged all the time.

Be aware that the

HPF

feature is

switched independently of this

EQ IN

switch.

HPF and

FREQ

Point Before: Channel mic/line preamp,

0/

(polarity reversal)

.

Point After: Channel path at

INSERT SEND

,

PRE

switch (

AUX

1–4

)

.

Be aware that signal path placement of the

HPF

circuit is not as it might appear by looking

at the console’s controls. It’s actually right after
the

MIC/LINE IN

preamp and before the

INSERT

(outboard gear also appreciates the effects of

HPF

), but we feel strongly about using

HPF

as

part of your EQ arsenal. That’s why the

HPF

controls are in the

EQ

section.

20

Hz

100

Hz

1k

Hz

10k

Hz

20k

Hz

–15

–10

–5

0

+5

+10

+15

The

HPF

(high pass filter) switch, often

referred to as a low cut filter, cuts bass fre-
quencies at a rate of 12dB per octave below a
swept-select point, ranging from 30Hz–800Hz.
Using

HPF

will clean out the “mud” in your

mix, can help reduce the possibility of feed-
back in live situations, and help to conserve
amplifier power.

We recommend that you use low cut on

every sound source, and adjust the frequency
point to match the characteristics of the sig-
nal. For instance, if the signal is a kick drum,
bass guitar, bassy synth patches, or recordings
of earthquakes, set the

FREQ

knob fully down

at 30Hz. The difference will be virtually inau-
dible and your amplifiers will love you for it.

150

220

350

45

75

800

30

U

+15

-15

U

+15

-15

U

+15

-15

U

+15

-15

250

700

70

3k

45

2.5k

6k

700

15k

500

HI

12k

FREQ

FREQ

FREQ

80Hz

EQ IN

HPF

LOW

40

MUTE

EQ

1-2

3-4

5-6

7-8

L-R

CENTER

HI

MID

LOW

MID

PAN

dB

O

O

5

5

U

60

50

SOLO

R

L

«
...
20
21
22
23
24
...
»

Содержание SR40.8

Страница 1: ...HI FREQ FREQ FREQ 80Hz EQ IN HPF LOW AUX EQ 1 2 3 4 5 6 7 8 L R CENTER 4 PRE FDR POST EQ 8 HI MID LOW MID PAN 22 10 dB 30 20 10 O O 40 5 5 U 60 50 0 6 7 TRIM 22 SOLO 48 PH 1 PRE 2 3 5 12k HI FREQ FREQ...

Страница 2: ...grounding or polarization means of this Mackie product is not defeated 14 This apparatus does not exceed the Class A Class B whichever is applicable limits for radio noise emissions from digital appar...

Страница 3: ...ce the TRIM settings further Alternate Method This method results in the faders being in a straight line across the board 1 Set the METERING INPUT SECTION switch to PFL mode so your Fader settings won...

Страница 4: ...e who specialize in mixing The SR40 8 and SR56 8 Large Format Sound Reinforcement Consoles are designed to fulfill the mixing needs of almost any type of sound reinforcement application and it boasts...

Страница 5: ...mprehensive dictio nary of pro audio terms If terms like clipping noise floor or unbalanced leave you blank flip to the glossary at the back of this manual for a quick explanation A Plug For The Conne...

Страница 6: ...MATRIX OUTPUTS 19 MATRIX INPUTS 19 DC POWER IN 19 MIDI IN OUT 19 DATA 19 CHANNEL 20 U LIKE UNITY GAIN 20 CHANNEL INPUT CONTROLS 20 48 PH PHANTOM POWER 20 TRIM 20 POLARITY REVERSAL 20 EQ 21 HI 12K 21...

Страница 7: ...LEVEL 41 MUTE 41 MASTER LEVEL 41 SOLO 41 ULTRA MUTE AUTOMATION 42 TYPICAL APPLICATIONS 42 IMPORTANT TIDBITS AND TITTLES 43 OPERATION 44 GROUP MODE 44 NUMERIC DISPLAY 44 SNAPSHOT MODE 46 ULTRA MUTE SU...

Страница 8: ...PE B TALKBACK SEND RETURN SEND RETURN SEND RETURN SEND RETURN SEND RETURN SEND RETURN SEND RETURN SEND RETURN MATRIX OUTPUTS MATRIX INPUTS MAIN OUTPUTS CNTR SEND RIGHT RETURN CNTR RETURN L INSERT R IN...

Страница 9: ...SEND RETURN SEND RETURN SEND RETURN SEND RETURN SEND RETURN SEND RETURN MATRIX OUTPUTS MATRIX INPUTS MAIN OUTPUTS CNTR SEND RIGHT RETURN CNTR RETURN L INSERT R INSERT TAPE MAIN AUX RETURNS INSERT RET...

Страница 10: ...ix and offer only rotary level and mute switch controls Aux return B4 is dedicated to the center mix Additionally there are two stereo line level RCA tape returns dedicated to the left right mix with...

Страница 11: ...gulated by a level control Additionally the talkback signal may be replaced by a 400Hz sine wave for checking levels or pink noise for quickly checking frequency response The Clear Com Intercom System...

Страница 12: ...phones instruments effects headphones and the ulti mate destination for your sound PA system tape recorder and the like E Z INTERFACE Concerned about levels balancing impedances polarity or other inte...

Страница 13: ...device simply patch from the INSERT SEND jack to the effect s in put and from the effect s output to the INSERT RETURN jack using either balanced TRS or unbalanced TS cables Since using the INSERT SEN...

Страница 14: ...cable with 1 4 TRS or TS connector tip hot ring cold sleeve shield Point After B AUX RETURNS The left jack s signal is normalled to the right jack a mono signal patched into the left jack only will ap...

Страница 15: ...e a 3k output impedance enabling you to combine the left and right out puts using a Y cord adapter thereby creating a mono signal Do not attempt this on any of the SR40 8 s TRS or XLR outputs Patch th...

Страница 16: ...ing either balanced TRS or unbalanced TS cables Since using the SEND jack by itself does not interrupt the mix signal path it may also be used as a pre Fader direct output SUB OUTPUTS Point Before SUB...

Страница 17: ...ainfully loud with some earphones BE CAREFUL Always turn the PHONES level all the way down before connecting headphones Keep it down until you ve put the phones on Then turn it up slowly Why Engineers...

Страница 18: ...situations You can use the EXTERNAL switch ASSIGN to deliver the TALKBACK and OSCILLATOR signal to a second console such as a monitor console Simply patch from the FOH front of house console s TALKBAC...

Страница 19: ...ntil you ve connected its power cable here POWER SUPPLY STATUS LEDs in the out put section will confirm that the console is fully powered MIDI IN OUT This is where you interface the SR40 8 with an ext...

Страница 20: ...p position the de fault setting for this switch so all the signals will have correct polarity also known as in phase and only reverse the polarity of Channels that you deem necessary The forty Channel...

Страница 21: ...at 80Hz and fully boost the LOW shelving preset at 80Hz you ll be asking for 30dB of gain at 80Hz If you started out with signal with a 0dB level at that frequency you d be clipping for sure HI 12K Th...

Страница 22: ...aware that the HPF feature is switched independently of this EQ IN switch HPF and FREQ Point Before Channel mic line preamp 0 polarity reversal Point After Channel path at INSERT SEND PRE switch AUX 1...

Страница 23: ...ays to get this signal out of the console Just to get a handle on things we ll stick to the basic tried and true methods and leave the wild routing schemes up to you MUTE Point Before EQ IN switch Poi...

Страница 24: ...nd the right AFL SOLO With the PAN knob set some where in between left and right the signal is divided between the left and right buses Be aware Since CENTER assignment occurs before the PAN control i...

Страница 25: ...ng to assign them to any of the LEFT RIGHT CEN TER mixes or Subgroup SUB 1 8 mixes You can simultaneously SOLO as many Channels and other signals as you like The SR40 8 features nondestructive solo En...

Страница 26: ...are off when turned fully down deliver unity gain at the center detent and provide 15dB of gain turned fully up The AUX SEND outputs are then patched to stage monitor amp inputs pre Fader or parallel...

Страница 27: ...ctivate the HPF high pass filter The difference is that the frequency is not adjustable it s pre set at 150Hz with a 18dB per octave curve We recommend that you leave the HPF engaged at all times unle...

Страница 28: ...CENTER assignment on the MAIN AUX RETURNS A1 A4 operates the same as it does on the Channels except that it takes both the LEFT and RIGHT signals mixes them to gether and then sends that mono signal t...

Страница 29: ...AUX RETURNS A1 A4 and how the signals get in and out In the output section things get a bit more complicated so put on your thinking cap LEFT RIGHT CENTER MIXES This is where everything assigned via t...

Страница 30: ...2 3 4 5 6 7 8 MUTE L R CENTER L R CENTER L R CENTER L R CENTER L R CENTER L R CENTER L R CENTER L R CENTER PAN MUTE PAN MUTE PAN MUTE PAN MUTE PAN MUTE PAN MUTE PAN ASSIGN TALKBACK MIC TALKBACK MUTE...

Страница 31: ...o the LEFT versus the RIGHT mixes via the L R ASSIGN switch and the SOLO bal ance in AFL mode With the PAN knob hard left the signal feeds the LEFT mix and the left AFL SOLO assuming their assignment...

Страница 32: ...0kHz When AIR is set at 0 it is effectively out of the signal path and the submix bus has a flat response But when you need a little more air in your sound just a hint of high treble to add that atmos...

Страница 33: ...ted The signal is muted with the switch engaged down B AUX RETURNS and TAPE A and TAPE B do not have momentary MUTE switches or associated LEDs and are not controllable via ULTRA MUTE SOLO PFL Point B...

Страница 34: ...bgroup signal to the original AUX SEND MASTER controls and TRS output Confused Try it this way This is the path of an AUX SEND MASTER signal with its FLIP switch disengaged up Channel AUX level contro...

Страница 35: ...SOLO including AUX SENDS has precedence over OUTPUTS SOLO you can t combine these signals SOLO MASTER CONTROLS To audition individual signals or groups of signals there are SOLO switches on every Chan...

Страница 36: ...bout your level of solo awareness In addition to this huge LED each SOLO switch has a local LED adjacent to it to help you find that pesky soloed Channel right away PHONES LEVEL Point Before LEFT RIGH...

Страница 37: ...the SOLO LEVEL independently MUTE This switch is your garden variety DPDT double pole double throw switch Engage it and the line level MONITOR outputs become silent The MONITOR MUTE is not a member o...

Страница 38: ...M power supply On the off chance that one of these status LEDs doesn t glow indicating a problem be sure to power down as continued use could cause further damage TALKBACK SECTION The SR40 8 s extensi...

Страница 39: ...an sound that builds up and takes over towards the end LEVEL Point Before 400HZ PINK NOISE switch Point After ON OSCILLATOR switch This controls the signal level of all OSCIL LATOR signals be it the 4...

Страница 40: ...mpatible interface Furthermore the interface is transformer isolated to prevent any nasty ground loops from showing up in the audio If you already have the Clear Com Inter com System you probably alre...

Страница 41: ...ey have RCA outputs TAPE B OUTPUT in addition to the XLR outputs MUTE Point Before MATRIX mix Point After MATRIX MASTER level Muting removes the signal from its MATRIX OUTPUT and AFL SOLO The PFL SOLO...

Страница 42: ...l path where the note number corresponds to a mute node Snapshots can be changed using Program Change Messages Typical Applications From the board point of view Group Mode works best to mute groups of...

Страница 43: ...00 as All Mutes Off and Snapshot 99 as All Mutes On You can reprogram these Snapshots if you wish Since Snapshot 00 is loaded into the console when it is first powered up you may want to reprogram Sn...

Страница 44: ...decimal point LED lights steadily and the mute configuration you selected is now stored in that Group 6 You can exit STORE mode by pressing the CLEAR button at any time If you had muted any channels...

Страница 45: ...may be situations where this is useful so we leave it to you to make this choice Previewing Mute Groups Preview mode lets you see the mute configuration of a Group without actually engaging it This g...

Страница 46: ...anu ally turn off the MUTE switches or press and hold the CLEAR button to unmute all the channels or you can select a different Snapshot by pressing the Up Down Arrow button and then pressing the DO I...

Страница 47: ...D above theMUTE PREVIEW button lights 3 Select a different Snapshot by using either the Up Down Arrow buttons or directly entering the Snapshot number via the number buttons The MUTE LEDs for the chan...

Страница 48: ...napshot Mode you should press DO IT to engage the Snapshot in the Numeric Display When going from Snapshot to Group Mode you must press CLEAR for two seconds to clear the Snapshot s mute configuration...

Страница 49: ...ress and hold the CLEAR and Arrow Down buttons to exit Auto Increment Mode Press to abort a store procedure To clear all programmed mutes in Group or Snapshot Mode press and hold the CLEAR and MODE bu...

Страница 50: ...RA MUTE recognizes certain Message Numbers to move data between its memory and the host computer See the table on page 11 for descriptions and examples of the messages recognized by ULTRA MUTE NN is t...

Страница 51: ...00 00 66 03 0F 42 05 00 DATA 01 DATA 09 DATA F7 for SR40 8 F0 00 00 66 04 0F 42 05 00 DATA 01 DATA 09 DATA F7 for SR56 8 43h dump only Mute Groups in one set To Write Mute Groups to Set 71 to SR40 8 S...

Страница 52: ...DB9 FEMALE DB9 MALE TO COMPUTER RS 232 PORT TO CONSOLE DATA PORT STANDARD DB9 COMPUTER CABLE MIDI IMPLEMENTATION SUMMARY When you first power up the console a number briefly appears in ULTRA MUTE s n...

Страница 53: ...ized Remarks Basic Channel Default 16 16 Channel 16 only Changed Mode Default X X Not Applicable Messages X X Altered X X Note Number Mute Node O O See Appendix B Velocity Note ON O O Note OFF O O See...

Страница 54: ...F0 19 Channel 19 9F 12 40 9F 12 00 F 0 20 Channel 20 9F 13 40 9F 13 00 G0 21 Channel 21 9F 14 40 9F 14 00 G 0 22 Channel 22 9F 15 40 9F 15 00 A0 23 Channel 23 9F 16 40 9F 16 00 A 0 24 Channel 24 9F 1...

Страница 55: ...9F 3B 00 B3 65 Sub 5 9F 3C 40 9F 3C 00 C4 66 Sub 6 9F 3D 40 9F 3D 00 C 4 67 Sub 7 9F 3E 40 9F 3E 00 D4 68 Sub 8 9F 3F 40 9F 3F 00 D 4 69 Aux Send 1 9F 30 40 9F 30 00 C3 70 Aux Send 2 9F 31 40 9F 31 00...

Страница 56: ...1 B2 B3 B4 IDENTICAL LINE IN L LINE IN R TAPE A IN TAPE B IDENTICAL LINE IN L LINE IN R AUX RETURN B4 ONLY L LEFT MAIN MIX R RIGHT MAIN MIX C CENTER MAIN MIX FOR SIMPLICITY AUX SENDS 2 4 AND 6 8 NOT S...

Страница 57: ...L R METERS CENTER METER SOLO RELAY METER AFL PFL RELAY TO MATRIX IN CENTER OUT R MIX SOLO SOLO C MIX SOLO C FADER METERS OUTPUTS PFL AFL METERS INPUTS PFL AFL SOLO LOGIC SOLO INPUTS PFL AFL SOLO OUTP...

Страница 58: ...20 16 10 20 0dB 10 10 20 0dB 10 20 16 10 20 22 30 40 50 60 0dB 10 10 20 22 UNBALANCED OUT 6dB INSERT 6dB AUX SEND MASTER 10dB MAX AUX OUT 0dB MATRIX MIX MATRIX EXT IN 10dB MAX 0dB NOMINAL MATRIX MASTE...

Страница 59: ...59 This page was intentionally left blank until we put this message on it...

Страница 60: ...ing 15dB 80Hz Low Mid EQ 1 5 octave bandwith Mono channels sweepable 15dB 45Hz 3kHz Stereo channels fixed 15dB 800Hz Hi Mid EQ 1 5 octave bandwith Mono channels sweepable 500Hz 15kHz Stereo channels f...

Страница 61: ...0 14 0cm 76 72 194 9cm 79 10 200 9cm 59 57 151 3cm 14 90 37 9cm 27 40 69 6cm 11 00 27 9cm 7 20 18 3cm 0 50 1 27cm 10 50 26 7cm 9 2 2 5 0 5 7 2 cm 3 0 5 0 7 7 5 cm 62 05 157 6cm 82 15 208 7cm 65 00 165...

Страница 62: ...stations or at the factory lo cated in sunny Woodinville Washington Ser vice for mixers living outside the United States can be obtained through local dealers or dis tributors If your mixer needs ser...

Страница 63: ...round Balanced input circuits can offer excellent rejection of common mode noise induced into the line and also make proper no ground loops system grounding easier Usually terminated with 1 4 TRS or X...

Страница 64: ...it is not equivalent dBV A unit of measurement of audio signal level in an electrical circuit expressed in decibels referenced to 1 VRMS across any impedance Commonly used to describe signal levels in...

Страница 65: ...alent input noise voltage nec essary to obtain a given preamp s output noise Typically ranges from 125 to 129 5 dBm EQ See equalization EQ curve A graph of the response of an equalizer with frequency...

Страница 66: ...ncies evenly spaced through the audio spectrum In a per fect world a line drawn through the centers of the control shafts would form a graph of the frequency response curve Get it Or the positions of...

Страница 67: ...en the only way that real consoles were built was in modular fashion one channel per module See channel strip knee A knee is a sharp bend in an EQ response curve not unlike the sharp bend in your leg...

Страница 68: ...em In a well designed mixer the noise floor will be a quiet hiss which is the thermal noise gener ated by bouncing electrons in the transistor junctions The lower the noise floor and the higher the he...

Страница 69: ...d and smooth while a Q of 10 gives a narrow pointed response curve To calculate the value of Q you must know the center frequency of the EQ section and the frequencies at which the up per and lower sk...

Страница 70: ...audibility If you were to graph the response it would look like a shelf Or more like a shelf than a hiking boot The EQ controls on your stereo are usually shelving equalizers See also peaking and dipp...

Страница 71: ...ity gain A circuit or system that has its voltage gain adjusted to be one or unity A signal will leave a unity gain circuit at the same level at which it entered In Mackie mixers unity gain is achieve...

Страница 72: ...or plug is connected tip to signal high hot ring to signal low cold and sleeve to ground earth Unbalanced Send Return circuits When wired as send return Y connector a 1 4 TRS jack or plug is connecte...

Страница 73: ...nnect the signal to the center post and the ground earth or shield to the surrounding basket UNBALANCING A LINE In most studio stage and sound reinforce ment situations there is a combination of balan...

Страница 74: ...rcuit and will show up in the center of the stereo pair of buses it s assigned to or it can be panned with the Balance control A stereo signal having two plugs should be patched into the LEFT MONO and...

Страница 75: ...ound for both audio and power Balanced Lines Balanced lines offer increased immunity to external noise specifically hum and buzz Because a balanced system is able to minimize noise it is the preferred...

Страница 76: ...ch as the AKG C12 Neumann U47 or U67 these microphones may be connected in a phantom powered system and will operate without regard to the pres ence or absence of phantom power They will always requir...

Страница 77: ...he electrician uses the star ground system for the safety grounds in your electrical system All of the audio system grounds should terminate at the same physical point No other grounds may come in con...

Страница 78: ...need to wire directly into the electrical service then use a voltmeter to ensure that the line voltage is correct then use the outlet tester mentioned in 3 above Do this before you connect any of your...

Страница 79: ...ineering staff not to mention a nameless Marketing Weenie Manual composed on a cocktail napkin then converted to this amaz ing piece of work using a 13 story 1000 gigawhopper Macintosh operated by Mac...

Страница 80: ...0 220 350 45 75 800 30 250 700 70 3k 45 2 5k 6k 700 15k 450 U O O 15 U O O 15 U O O 15 U O O 15 U 15 15 U 15 15 U O O 15 U O O 15 U O O 15 U O O 15 250 350 220 3k 45 3k 5k 1k 15k 500 MIC GAIN 10dB 40d...

Страница 81: ...60 50 0 6 7 TRIM 21 SOLO 48 PH 1 PRE 2 3 5 12k HI FREQ FREQ FREQ 80Hz EQ IN HPF LOW AUX EQ 1 2 3 4 5 6 7 8 L R CENTER 4 PRE FDR POST EQ 8 HI MID LOW MID PAN 22 10 dB 30 20 10 O O 40 5 5 U 60 50 0 6 7...

Страница 82: ...MIC TALKBACK PHANTOM POWERED MUTE LINE OUT LEVEL LEVEL LEVEL LEVEL LEVEL LEVEL MUTE INPUTS MONITOR SOLO TAPE B TAPE A FLIP FLIP FLIP FLIP FLIP FLIP FLIP INPUT SECTION OUTPUT SECTION FLIP AUX SEND MAST...

Страница 83: ...ssing STORE twice Step 4 should read Once you ve decided on a Snapshot or modified Snapshot configuration press DO IT and the new Snapshot plus any manually muted channels will engage Note that any ch...

Страница 84: ...MATRIX A D D C B A N18 Not Used 3 DATA Structure SR56 8 22 bytes nibblized low high 0 Mute OFF 1 Mute ON 0000 N1 0000 N2 0000 N3 0000 N22 N1 Channels 1 4 4 3 2 1 N2 Channels 5 8 8 7 6 5 N3 Channels 9...

Страница 85: ...atever mute configuration that exists on the console as the new nominal state The decimal point LED lights steadily indicating a nominal starting point Think of mute groups as layers of mutes which yo...

Страница 86: ...16220 Wood Red Road N E Woodinville WA 98072 800 258 6883 Outside the U S call 425 487 4333 FAX 425 487 4337 www mackie com 2001 Mackie Designs Inc All rights reserved Printed in the USA Part No 820 0...

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