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change with alteration in EQ settings, and should be

rechecked later if necessary.

Repeat this procedure on other channels as required.

Next, the Group faders must be adjusted to give an op-

timum level to the tape machine.

Route an input channel to the first pair of groups us-

ing the routing switches beside the channel fader.

Feed the input channel with a typical maximum sig-

nal level.

Set up the Tape Machine so that its input levels are

displayed on the Track Meters.

Adjust the Group fader to give a nominal Record

Level.  Refer to your Tape Machine manual for guid-

ance if required.

Now you should set up a comfortable listening level or

the Control Room Loudspeakers.

Feed a typical maximum signal level to an input

channel and press the corresponding PFL button.

Adjust C/RM & PHONES Level (55) to give a maxi-

mum comfortable listening level from the

loudspeakers.  Release the PFL button once the ad-

justment is complete.

A stereo Monitor Mix can be set up using the Monitor

Level and Pan controls on those channels fed by the

tape machine outputs.

Recording Tracks

Recording Tracks

Tape tracks may be recorded in two basic ways, and

the following assumes that you have connected a suit-

able multitrack machine to the Tape Sends on the first

few Inputs.  Remember to set the appropriate tracks on

the tape machine into RECORD on the required tracks,

Page 23

Summary of Contents for Audio Mixing Console Model Spirit Studio

Page 1: ......

Page 2: ...eval system or transmitted in any form or by any means electronic electrical mechanical optical chemical including photocopying and recording for any purpose without the express written permission of...

Page 3: ...0 Facilities 10 Input Channel Path 10 Input Monitor Path 15 Group Section 16 Master Section 18 Using your SPIRIT STUDIO Console 21 Initial Set Up 21 Applications 24 Recording 24 Playback Mix Down 25 O...

Page 4: ...ive appearance Custom moulded controls designed for the best feel and visual clarity complement the styling resulting in a truly professional product which is ideal for all types of multitrack recordi...

Page 5: ...x or as combined MONO feeds Each group has a 16 segment LED bar graph meter Above the Group masters are 4 Stereo Effects Returns with balanced inputs 2 band shelving EQ and feeds to the two Foldback b...

Page 6: ...er controls are the most flexible and poten tially destructive feature of the mixer They have a similar effect on the frequency response of the input channel as the tone controls on a hi fi system but...

Page 7: ...rs Limiters or additional Equalisers The terms PRE and POST are often used in the context of Inserts Equalisers and Auxiliary Sends and describe whether that facility is placed before Pre or after Pos...

Page 8: ...three stages The first stage is Tracking in which individual voices or instruments or groups of in struments are recorded as cleanly as possible on selected tracks on the multitrack machine The secon...

Page 9: ...gative input Should the source device have no connection to mains ground then connect the shield at both ends If there is a connection to mains ground then the shield should only be connected to the s...

Page 10: ...ve wires reversed This phase reversal can be a real problem when microphones are close together and you should therefore take care always to connect pins correctly when wiring audio cables Source Sour...

Page 11: ...s a representative sketch of all the components of the console showing how they con nect together and how the signal flows through the system Once you have become familiar with the vari ous component...

Page 12: ...hing the 48V on or off Also you should be aware that some microphones draw an unusually large current which may overload the power supply re sulting in distortion Consult your microphone supplier for...

Page 13: ...n is required 5 LINE SELECT The LINE switch selects Line input when pressed and Microphone input when released When Line is se lected the Gain range is reduced by 20dB see 6 below 6 GAIN CONTROL When...

Page 14: ...give a 10dBV output even though the Group output socket is 4dBu To change the Tape Send level to 4dBu see Selectable Options on Page 32 9 HF LF EQUALISER The Equaliser EQ is configured as two separate...

Page 15: ...control which determines at which frequency the boost cut action will be centred The HMID control covers a range from 500Hz to 16kHz and the LMID control covers a range from 50Hz to 1 6kHz Note that...

Page 16: ...the master section illuminates to warn that the monitor and the meters are now responding to the PFL AFL selection and the PFL LED on the input chan nel lights to identify the active channel This is...

Page 17: ...pe Sends 2 10 18 etc When the DI RECT switch 8 is pressed the Tape Send receives only that channel output instead The electronically balanced TAPE RETURN is the nor mal input to the MONITOR path but i...

Page 18: ...fed to the Control Room and headphones outputs where it replaces the selected source The PFL AFL LED on the master section illuminates to warn that the monitor and the meters are now responding to the...

Page 19: ...phones where it replaces the selected source The PFL AFL LED on the master section illuminates to warn that the monitor and the meters are now respond ing to the PFL AFL selection and the PFL LED on...

Page 20: ...aster level control and an AFL switch with indi cating LED which monitors the final output after the fader 33 AUXILIARY OUTPUT The Auxiliary Send output is driven by a ground com pensated amplifier to...

Page 21: ...tereo Mix 39 FX FADER A stereo rotary fader provides overall master level con trol for the Effects Return 40 PFL This operates in the same way as 29 above 41 FX TO GROUP The Effects Return Signal may...

Page 22: ...meter displays the selected PFL or AFL signal The bargraphs may be calibrated by trimmers fitted on the edge of the PCBs and accessed via holes in the panel above each meter Adjustments may be made us...

Page 23: ...ereo Mix signal or an external 2 Track tape machine connected to a pair of standard 1 4 3 pole A gauge jack sockets 53 The selected signal will normally be displayed on the bargraph meters 45 unless P...

Page 24: ...gain to the signal source was crucial to avoid distortion at one extreme and excessive noise at the other Set up individual input channel as follows Connect the Control Room outputs to a suitable am p...

Page 25: ...equired Now you should set up a comfortable listening level or the Control Room Loudspeakers Feed a typical maximum signal level to an input channel and press the corresponding PFL button Adjust C RM...

Page 26: ...the appropriate Group routing button on each of those Channels Adjust the level of each channel within the Group mix using the Channel fader and the position of each channel within the Group mix using...

Page 27: ...ing set up various sources are con nected to the input channels microphones to mic inputs and keyboards guitars and other instruments to line inputs A 16 track tape machine is fed from the Tape Sends...

Page 28: ...er on a 2 track tape machine Playback is via the Monitor path on the channels and pressing the CHANMNTR INPUT REV switches allows mixing using the long throw faders Channels are routed to MIX and the...

Page 29: ...the mix down configuration Over dubbing allows one or more tracks to be recorded as other tracks are being played back in synchronisation A Foldback mix is created for the overdub artist using FB2 Al...

Page 30: ...figuration shown an assortment of sources are connected to the input channels microphone to mic in puts and a keyboard and guitar to line inputs Note that some guitars would not produce sufficient lev...

Page 31: ...e ratio is relative to 0 775V RMS DI direct injection the practice of connecting an electric musical instrument directly to the input of the mixing console rather than to an amplifier and loudspeaker...

Page 32: ...eo mix un der the control of a rotary fader to create a Monitor mix Overdubbing the operational mode in which one or more tracks can be recorded or modified as other tracks are played back pan pot abb...

Page 33: ...on the appropriate PCB as shown below To select AVERAGE response remove the PCB from the console and carefully unsolder the link in the PK posi tion using the minimum of heat to avoid the possibility...

Page 34: ...y carefully cutting the leads of the resistor above the board at the points marked as shown below The Master 2 Track Return can similarly be changed to suit 4dBu equipment by removing resistors R14 R1...

Page 35: ...x Noise 24 Monitors Routed ON Mix Left 80dBu Mix Right 80dBu 24 Monitors Channels Routed Mix Left 80dBu Mix Right 80dBu 24 Monitors Channels Routed ON Mix Left 76dBu Mix Right 76dBu E I N E I N Microp...

Page 36: ...Frequency Response Measured 20Hz to 20kHz Bandwidth Relative to 1kHz Mix Left Right Outputs 0 5dB Mono Output 1dB Aux Outputs 0 5dB Input Output Impedances Input Output Impedances Microphone Input 2k...

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