Untitled - Full Compass
INTRODUCTION
Thank you for purchasing a FOLIO Powerpad mixer, brought to you with pride by the SPIRIT team of Andy, Colin,
Chris, James, Simon, Mukesh, Graham, Martin, Paul, Tony and Peter, with the support of many others - we hope
you will have as much fun using it as we did designing it!
Owning a SPIRIT console brings you the expertise and support of one of the industry’s leading manufacturers and
the results of over 23 years experience supporting some of the biggest names in the business.
SAFETY PRECAUTIONS
WARNING: THIS UNIT MUST BE EARTHED.
Under no circumstances should the mains earth be
disconnected from the mains lead.
For your own safety and to
avoid invalidation of the
warranty please
read this section carefully.
The wires in the mains lead are coloured in accordance with
the following code:
Earth:
Green and Yellow
(Green/Yellow - US)
Neutral: Blue
(White - US)
Live:
Brown
(Black - US)
As the colours of the wires in the mains lead may not
correspond with the coloured markings identifying the
terminals in your plug, proceed as follows:
l The wire which is coloured Green and Yellow must be
connected to the terminal in the plug which is marked with
the letter E or by the earth symbol.
l The wire which is coloured Blue must be connected to the
terminal in the plug which is marked with the letter N.
l The wire which is coloured Brown must be connected to
the terminal in the plug which is marked with the letter L.
Ensure that these colour codings are followed carefully in the
event of the plug being changed.
To avoid the risk of fire, replace the mains fuse only
with the correct value fuse, as marked on the rear
panel.
The internal power supply unit contains no user
serviceable parts. Refer all servicing to a qualified
service engineer, through the appropriate Spirit
dealer.
Page 1
Overview
Page 2
Connecting Up
Page 3
How to Use Powerpad
Mono Input Channel
Most of the sound sources you use with your
Powerpad will plug into one of the Mono Inputs.
These inputs accept microphones, keyboards or
other electronic instruments, and give control of
signal level, EQ and the position of the sound in the
stereo output.
Mic Input
Connect your mics to these inputs. Using
professional balanced mics will help prevent
interference, and if these are condenser mics they
will probably need the 48V (see page 6) turned on. If
you use the 48V, plug the mic in first, then switch on
the 48V afterwards (48V switch down).
If you are using unbalanced mics, do
not use 48V.
If you are using the Line input, unplug any
connections to the mic input on that channel.
Line Input
Connect keyboards, drum machines or other
electronic instruments here (or you can use the
Stereo Inputs - see over the page).
Gain
This control sets the level of your mic or instrument
as the signal enters the mixer. It is important to set
this level correctly (see page 7) - if it’s set too high
the sound will overload and distort, and if it’s set too
low you may not be able to get enough volume from
the mixer without a lot of background hiss.
High/Low
Boost or cut high or low frequencies with these
controls. HIGH boost will give added crispness to
your sound, and cut will modify sounds which are too
bright. LOW boost can add warmth and punch to
drums or synths, and low cut will reduce hum or
mushiness.
Aux (Post)
This control allows you to create a separate mix of
each channel to send to an external effects or reverb
unit. This signal can then be fed back to the mix via
the FX RET jack. The send comes after the volume
control (post fade) so that it follows changes in
channel level.
Page 4
Pan
You can position your mic or instrument anywhere in
the left/right stereo mix using this control.
Level
This control sets the level of your source in the
stereo mix. You should try to work with this knob
near to the ‘0’ mark to give a good range of control,
and adjust the GAIN if necessary (especially if the
tone controls are adjusted during the mix).
Stereo Input Channel
Stereo Input
Stereo sources, such as keyboards, drum machines,
CD players or turntables may be connected to the
two Stereo Inputs via RCA phono plugs. If you need
tone controls you could connect to two mono inputs
instead, with PAN set extreme left and extreme right
accordingly.
Instrument/RIAA
When this switch is ‘up’ these inputs are suitable for
instruments, tape machines, DAT or CD players.
When the button is pressed an RIAA preamplifier is
switched into circuit allowing record turntables to be
connected.
Gain
This control sets the level of your source as the signal
enters the mixer. It is important to set this level
correctly (see page 7) - if it’s set too high the sound
will overload and distort, and if it’s set too low you
may not be able to get enough volume from the
mixer without a lot of background hiss.
Aux (Post)
This control allows you to create a separate mono
mix of each channel to send to an external effects or
reverb unit. This signal can then be fed back to the
mix via the FX RET jack. The send comes after the
volume control (post fade) so that it follows changes
in channel level.
BAL (Balance)
Adjusts the relative level of the left and right sides of
your source with this control. When the knob is
turned fully left or right you feed only that side of the
signal to the mix.
Level
This control sets the level of your source in the
stereo mix. You should try to work with this knob
near to the ‘0’ mark to give a good range of control,
and adjust the GAIN if necessary.
Page 5
Master Section
Right Output, Left Output
These jacks feed the output of the internal 35W
(RMS) power amplifiers to suitable loudspeakers of
impedance 4W or greater. Output level is set by
either the MASTER or MONITOR AMP/
HEADPHONES controls, depending on the position
of the MIX/MON switch, which selects either MIX or
MONITOR as the source for the amplifiers.
Master Mix (Out)
These jacks allow you to take the combined mix of all
of your sources to an external amplifier and PA
speakers for applications which require greater
output power than the internal amplifiers. If you want
to send to speakers and a DAT recorder at the same
time, connect your speakers to Right & Left Outputs
and the DAT to the Master Mix outputs. The output
level is set by the MASTER control (see 5 below).
Mix/Mon
This switch selects the source for the internal power
amplifiers and is normally the master MIX (switch
released). When the switch is pressed the source is
the Headphones (Monitor) signal, but this is
automatically cut off if headphones are plugged in.
Thermal/Clip Protect
The power amplifiers incorporate circuitry to protect
against clipping and overheating. If the THERMAL
LED illuminates you should reduce output levels or
improve ventilation to avoid the possibility of the
amplifiers shutting down completely.
If the CLIP PROTECT LED illuminates you should
reduce input or output signal levels to a correct
working level with the ‘AVG’ LED glowing. The
amplifier outputs are automatically isolated if a
significant DC offset is detected, either due to
clipping or a fault situation.
Master
The output level is set by the MASTER control,
which should be set to the ‘0’ mark for maximum
level control (see also page 7 for tips on setting up your
inputs). Adjust the input Level controls to give a
suitable output level, with the ‘AVG’ LEDs glowing.
FX Ret (In)
These jacks allow the output of an effects unit or any
other stereo line level source to be fed back to the
mixer and combined with the rest of the stereo mix,
without using up valuable input channels. The input is
unbalanced, and the jacks are connected so that a
mono effect can be plugged into the left jack only and
automatically fed to both left and right sides of the
mix.
Page 6
The FX RET LEVEL control adjusts the level of the
signal to the stereo mix.
Aux
The combined mix of all of the input channel Aux
(Post) sends can be taken from this jack to your
effects unit’s input. The output level will depend on
the settings of the individual Aux (Post) controls.
Tape (In)
Two separate unbalanced RCA phonos are available
to connect the output from a stereo tape machine,
DAT recorder, CD player or computer sound card
and feed it to the headphones or monitors, and the
meters. They are ideal for playing back your masters
when recording, or for listening to the output from a
PC sound card. TAPE LEVEL sets the level of the
input. Note that TAPE (IN) cannot be routed to the
mix.
48V
Pressing this switch adds a powering voltage to the
mic input sockets for professional condenser
microphones. The LED lights when power is active.
DO NOT switch the power on when using
unbalanced sources, to avoid damage.
Power On
This green LED lights when the power supply is
active.
Monitor Amp/Headphones
This control adjusts the output level to the
headphones or the loudspeaker outputs if MIX/MON
is pressed. Plugging in a headphones jack will
automatically cut off the loudspeaker output.
Master Mix/Tape
When this switch is up your headphones or monitors
hear your Master Mix. Press the switch down to
hear the Tape input (8) instead.
Meters
Four LEDs show the level of the signal selected to
the headphones or monitors. A normal output level
will light the ‘AVG’ (Average) LEDs. The ‘PK’ (Peak)
LEDs light to warn that you are close to overload.
Setting Up & Troubleshooting
Setting Input Preamp Level
It is important to set the input level correctly to get
the best sound from your mixer. Follow the steps
below to set the Preamp Level controls on each
input:
l Set the channel LEVEL and MASTER controls to
unity (‘0’ position)
l Set the tone controls to centre
l Connect a source and set the Preamp Level until
the ‘PK’ meters are just glowing
l Turn the channel LEVEL back to the ‘0’ mark
during mixing.
Troubleshooting
No Power
- Is the mains supply present - check the outlet with
another device.
- Is the power lead firmly connected?
Condenser Mic Not Working
- Is the 48V turned on?
- Is the mic plugged into the Mic input?
- Is the mic cable a balanced 3-wire type?
Meters not showing any signal
- Has the Preamp Gain been set correctly? (see
above)
- Is the source connected to the appropriate input
socket for the level of signal?
- Is the MASTER control set at max., and are input
volume controls set high enough?
- If monitoring Tape (In), is the Master Mix/Tape
switch pressed to select the Tape input?
Turntable has low level
- Is the Instrument/Turntable switch pressed?
- Is the turntable cartridge correctly fitted?
Turntable is buzzing
- Connect the turntable earthing lead to any ground
contact (Mix pin 1, jack sleeve or phono shield)
No Loudspeaker output
- Is a headphone jack plugged in with MON selected?
Clip Protect LED Flashing
- You are overdriving the amplifier. Turn down the
level driving the amp.
Clip Protect LED On
- The amplifier has detected a fault. Disconnect the
speakers and turn levels down. If the Clip Protect
LED goes off, no fault is present and you can
continue with the lower levels. If the Clip Protect
LED stays on, contact you local dealer for assistance.
Clip Protect LED Off but no output to Speakers
- The amplifier has shut down because of a short
circuit on the speaker output terminals. Remove the
speaker jacks and check all connections.
Thermal LED On
- This is a warning that you should allow the amplifier
to cool down. The internal temperature has reached
60° and the amplifier may shut down if no action is
taken.
Thermal LED On and Clip Protect LED Off with no
output to Speakers
- The amplifier has shut down due to overheating.
Switch off and allow the unit to cool down! Check
that the unit has adequate ventilation, that operating
levels are set correctly and that the speaker load is
4W or greater.
Page 7
GAIN
HIGH
LOW
AUX BUS
LEFT BUS
+48V
RIGHT BUS
System Block Diagram
MASTER
SECTION
POWER ON
➚➚
48V
➚➚
+48V
MIC
INPUT
PAN
AUX
LEVEL
3
1 2
FX RET
LEVEL
FX RETURN (IN)
LEFT (MONO)
LINE INPUT
FX RETURN (IN)
RIGHT
AUX
(POST)
MASTER
MASTER MIX
(OUT) LEFT
MONO INPUTS 1 - 4
MASTER MIX
(OUT) RIGHT
INSTRUMENT/
RIAA
GAIN
STEREO STE-A
(B SIMILAR)
LEFT
TAPE LEVEL
LEVEL
TAPE (IN)
BAL
RIGHT
RIAA
MASTER MIX /
TAPE
MONITOR AMP /
HEADPHONES
AUX
(POST)
RIGHT
LEFT
RIAA
HEADPHONES
➚➚
PK LEFT
➚➚
AVG
MIX /
MON
STEREO INPUTS A & B
➚➚
PK
RIGHT
➚➚
AVG
LEFT OUTPUT
➚➚
CLIP PROTECT
➚➚
THERMAL
Page 8
RIGHT OUTPUT
Applications
Small Rehearsal Room
Page 9
Presentation
Page 10
Multimedia
LOCK
UNLOCK
RESET
Page 11
HiFi/Home Entertainment System
Page 12
Outdoor Events
Page 13
Small PA
Page 14
Glossary
Connecting Leads
48V Power
Often called Phantom Power, this is a way of adding
voltage to a condenser microphone or active DI
(Direct Injection) box, to power the internal
preamplifier circuits without the need for batteries.
Balanced
Balanced
a way of connecting equipment which ‘balances’ the
sound signal between two wires and a screen which
carries no signal. Any interference is picked up
equally by the two wires, but the signal on one wire is
out of phase with the other, and they cancel out.
Unbalanced
DAT
Digital Audio Tape, a cassette-based digital recording
format.
PAN
abbreviation of ‘panorama’: controls levels sent to left
and right outputs respectively.
Phase
a term used to describe the relationship of two sound
signals. In-phase signals reinforce each other, out-ofphase signals result in cancellation.
RIAA
an equalisation standard which defines the special
equalisation curves to match a preamplifier input to
record turntable cartridges.
Unbalanced
a method of audio connection which uses a single
wire and the cable screen as the signal return. This
method does not provide the noise immunity of a
balanced input (see above).
Headphone Splitter
’Y’ Leads (Balanced)
’Y’ Leads (Unbalanced)
Page 15
Specifications
Dimensions
Noise
All dimensions are in millimetres (inches in brackets)
E.I.N., 150W source impedance
Output
Aux Out (inputs down)
Mix, masters at max.
102.0 (4.02")
248.0 (9.76")
Crosstalk
Fader cutoff (rel 0 mark)
Aux Send
Pan Isolation
-128.5dBu
-84dBu
-80dBu
-80dBu
>90dB
>90dB
>75dB
Frequency Response
20Hz - 20kHz rel. 1kHz, Line In to Master Mix -1dB
THD
Mic sens. -30dBu, +14dBu at mix output
Inputs
Mic Input
237.0
(9.33")
Input Impedance
Max input
Max Mic Gain to Output
Line Input Input Impedance
Max input
Stereo Input Input Impedance
Output
Max. Output (Aux, Mix, typical)
Power Output (into 4W, RMS)
<0.005%
1.8kW
+14dBu
68dB
20kW
>+30dBu
20kW
+21dBu
2 x 35W
Connectors
224.0 (8.82")
A Harman International Company
All jacks are 3-pole TRS ‘A’ gauge
Mic (balanced or unbalanced)
Line (balanced or unbalanced)
Stereo Input, Tape In (unbalanced)
Monitor Amp Out
FX Return (balanced or unbalanced)
Master Mix Out, Aux Out, (imp. balanced)
Headphone
Loudspeakers
XLR
Jack
RCA Phono
Jack
Jack
Stereo Jack
Jack
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