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WARNING
An equilateral triangle enclosing a lightening flash/arrowhead symbol is
intended to alert the user to the presence of uninsulated “dangerous
voltage” within the product’s enclosure which may be of sufficient
magnitude to constitute a risk of electric shock.
ATTENTION: RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR
An equilateral triangle enclosing an exclamation point is intended to alert
the user to the presence of important operating and service instructions in
the literature enclosed with this unit.
IMPORTANT SAFETY INSTRUCTIONS
When using this electronic device, basic precautions should always be taken, including the following:
1. Read all instructions before using the product.
2. Do not use this product near water (e.g., near a bathtub, washbowl, kitchen sink, in a wet basement, or near a swimming
pool, etc.).
3. This product should be used only with a cart or stand that will keep it level and stable and prevent wobbling.
4. This product, in combination with headphones or speakers, may be capable of producing sound levels that could cause
permanent hearing loss. Do not operate for a long period of time at a high volume level or at a level that is uncomfortable.
If you experience any hearing loss or ringing in the ears, you should consult an audiologist.
5. The product should be positioned so that proper ventilation is maintained.
6. The product should be located away from heat sources such as radiators, heat vents, or other devices
(including amplifiers) that produce heat.
7. The product should be connected to a power supply only of the type described in the operating instructions or as marked on the
product. Replace the fuse only with one of the specified type, size, and correct rating.
8. The power supply cord should: (1) be undamaged, (2) never share an outlet or extension cord with other devices so that the
outlet’s or extension cord’s power rating is exceeded, and (3) never be left plugged into the outlet when not being used for
a long period of time.
9. Care should be taken so that objects do not fall into, and liquids are not spilled through, the enclosure’s openings.
10. The product should be serviced by qualified service personnel if:
A.
B.
C.
D.
E.
The power supply cord or the plug has been damaged.
Objects have fallen into, or liquid has been spilled onto the product.
The product has been exposed to rain.
The product does not appear to operate normally or exhibits a marked change in performance.
The product has been dropped, or the enclosure damaged.
11. Do not attempt to service the product beyond what is described in the user maintenance instructions. All other servicing should
be referred to qualified service personnel.
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FEATURES
Offering top-of-the-line performance, features, ease of operating flexibility, and rugged construction for long-life reliability, the
SPM Series is the best choices available in stereo powered mixers.
• SPM 6600 — 6 balanced or unbalanced XLR mic inputs and 6 balanced or unbalanced 1/4" TRS mono line inputs
• SPM 8600 — 8 balanced or unbalanced XLR mic inputs and 8 balanced or unbalanced 1/4" TRS mono line inputs
• Dual 300 watt X2 (@4 Ohms) amplifiers can be switched to power stereo, or mains and monitor speakers, or deliver 600 watts @8
Ohms/750 watts @4 Ohms bridged mono. Advanced design features include temperature limiting, short circuit current limiting,
speaker DC protection circuits, L/R Protect LED warning indicators for utmost safety and reliability and power ON/OFF anti-thump
circuit for quietest operation
• Built-in DSP (Digital Sound Processor) for ECHO (REVERB) with 16 natural sounding selectable preset level and echo intervals and
separate DSP Send and Master DSP Mix control, and numeric LED display
• Each channel includes stereo pan, level, and DSP/Aux controls, 3 band EQ and input signal 20dB pad switches
• 7 band stereo master graphics EQ's
• Selectable global 48V phantom power on XLR mic inputs
• 5 LED stereo level display with switchable level meter (L-R/Main-Monitor)
• Left, Right and Main Master, and Monitor Out level controls
• Master section also includes stereo tape input and stereo recording output RCA jacks with Tape In level control, stereo Master Mix
and mono Monitor Mix 1/4" outputs, Aux Send and stereo Aux 1,2 Returns with master Aux Send and Aux 1, 2 Return controls, and
master DSP/MIX control
• All EQ and PAN controls have center detents
• Rugged road carrying case with reinforced corners and carrying handles for long life and easy portability
• Dimensions & Weights:
SPM 6600: 11.8” x 18.8” x 12” (30.5 cm x 47.7 cm x 30 cm), 43 lbs. (19.5 Kg)
SPM 8600: 11.8” x 18.8” x 12” (30.5 cm x 47.7 cm x 30 cm), 44 lbs. (19.9 Kg)
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INSTALLATION
To ensure years of enjoyment from your NADY AUDIO SPM 6600/8600 powered mixer, please read and understand this manual
thoroughly before using the unit.
1. INSPECTION
Your NADY AUDIO SPM 6600/8600 was carefully packed at the factory in packaging designed to protect the units in shipment. Before
installing and using your unit, carefully examine the packaging and all contents for any signs of physical damage that may have
occurred in transit.
[Please note: Nady Systems is not responsible for shipping damage. If your unit is damaged, do not return to Nady, but notify your
dealer and the shipping company (if shipped to you) immediately to make a claim. Such claims must be made by the consignee in a
timely manner.]
2. SETUP AND OPERATION
Parts of the unit can become very warm during use. This is normal during operation. Care should be taken to ensure that there is
enough space around the unit for cooling. Also, do not place the SPM 6600/8600 on high temperature devices such as power
amplifiers, etc., or the unit may overheat in operation.
Although the unit’s chassis is shielded against radio frequency (RF) and electromagnetic interference (EMI), extremely high fields of RF
and EMI should be avoided.
Please make sure that the power unit supplied is marked for the correct voltage in your area (120VAC/60 Hz or 230VAC/50 Hz). Power
requirements for electrical equipment differ from area to area. In new installations and portable sound systems, or any situation in which
the AC power is in question, it is wise to confirm the voltage and use the appropriate power supply unit before connecting it to power
sources.
Europe (except UK): 230V, 50Hz
UK and Australia: 240V, 50Hz
USA and Canada: 120V, 60 Hz
For other areas, please check with local authorities.
When ready to operate, plug the AC cord into the power source. Make sure that the unit is turned off before connecting to the AC power
source to avoid possible loud transients which can damage your speakers or your ears. Set the noted controls to the positions indicated
below to further minimize the chance of undesired noise when first powering up your SPM 6600/8600 :
LEFT/RIGHT & MAIN MONITOR CONTROLS (12,24,26) ............................................................................................ SET TO MINIMUM
HI, MID & LOW EQ’S (5) AND PAN/BALANCE CONTROLS (1) ................................. TURNED TO THE CENTER DETENT POSITION
DSP EFFECT ON/OFF SWITCH (14)..................................................................................................................................... SET TO OFF
Power up the unit as noted on page 10 and 11.
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CONTROLS AND CONNECTIONS
1. MONO INPUT SECTION
(1) PAN CONTROL
(1)
(2)
(3)
(4)
The Channel Pan positions the output of the channel in the stereo
field of the Master Mix. Its constant-power design ensures there
are no level discrepancies whether a signal is hard-panned L or
R, center-stage, or somewhere in-between.
(2) LEVEL
This adjusts the output level for each channel.
(3) AUX/DSP CONTROL
The AUX/DSP controls are mono and post-EQ and post-fader and
the signal level sent to the AUX/DSP bus will be affected by the
channel fader setting. The AUX configurations is ideal for almost
all monitoring purpose: for example, for a separate stage monitor
mix in live performances or a studio room monitor in recording
applications, such as for a headphone cue system. The AUX/DSP
controls the level sent by each channel to the internal DSP
(Digital Sound Processor).
(4) MON (MONITOR)
The MON controls the amount of signal to the MONITOR bus and
MONITOR OUTPUT (24) control.
(5)
(6)
(Note: The signal is sent to the MONITOR bus from a location
before the LEVEL (2) control of each channel. This means that it
will not be affected by the setting of the LEVEL (2) control.)
(5) EQUALIZER CONTROLS
All input channels are fitted with a three-band EQ. All three bands
have up to 15 dB of cut and boost, with a center detent for "off".
The frequency response is flat when all three EQ knobs are in the
center detent position. The upper and lower shelving controls
have their frequencies fixed at 12 kHz and 80 Hz respectively. The
midrange control has a peaking response at 2.5KHz (Q fixed at 1
octave). The channel EQ is a valuable feature of the mixer as it
allows the user to control the tonal characteristics of each channel
separately. For example, boosting the LOW can fatten the sound
and add punch to the bass or drums; the MID control can be used
to define the midrange or bring out the vocals; and adjusting the
HIGH control can provide a crisp sounding high end. Another very
important, yet often overlooked technique is to use the EQ to
subtract from the mix. Cutting the HIGH control can reduce
unwanted hiss during multi-track recording, while attenuating the
MID or LOW can eliminate feedback in a live performance or clear
up a muddy sounding mix. Cutting away the top and bottom, then
pushing up the Gain is equivalent to mid range boost!
(7)
(8)
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CONTROLS AND CONNECTIONS
[Note: Always reset a channel’s
input Gain (or external devices’
output level) after altering the
amount of mixer equalization cut or
boost applied.]
(9)
(10)
The key to successful equalization
is to avoid excess. Too much
(11)
(12)
(10)
equalization on the input channels
will result in a mix that is smeared
together with nothing specifically
defined. During rehearsals,
experiment with the equalizer
controls on various instruments,
vocals and combinations of these
mixed together to become familiar
with various equalizer settings.
(6) PAD
(13)
(11)
This switch attenuates the input
signal by -20dB. When connecting
a line level device to channels, or if
the mic input is distorted, set this
switch to the position of -20dB.
(12)
(7) LINE INPUT
The Line input is designed to
accept balanced or unbalanced
2. 7-BAND STEREO GRAPHIC
EQUALIZER SECTION
line-level signals such as those from keyboards, drum machines,
or samplers. There is enough gain available on the line input to
accept even lower level signals, such as those from an
unbalanced microphone or guitar output. If a balanced signal is to
be connected to the line input, then a 1/4" TRS (stereo) phone
plug should be wired for: Tip = positive (+), Ring = negative (-),
Sleeve = ground.
(9) L AND R CHANNEL GRAPHIC EQUALIZER
The 7-band channel graphic equalizer allows you to adjust the
frequency response of the L and R Channel bus signal, providing
a maximum of ±12dB of cut and boost for each frequency band
from the flat position. When in BRIDGE MODE, the L-Channel EQ
controls the output.
(Note: Only either the Mic or the Line input of a given channel
should be connected at one time.)
(10) L AND R AMP PROTECT LED
These LEDs will indicate the operation of the protection circuits in
the POWER AMP (L and R) section. Shut off unit if this lights
during use, and check output connections. Do not operate the unit
until this LED is off. If the condition persists, have the unit
serviced by qualified personnel.
(8) MIC INPUT
The Mic input is an electronically balanced XLR type designed to
accept signals from any balanced or unbalanced low impedance
(Low Z) microphone. The XLR jack is configured for: Pin1 =
ground, Pin2 = positive (+), Pin3 = negative (-).
(Note: This LED will flash when the unit is powered on. This is
normal.)
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CONTROLS AND CONNECTIONS
(11) L AND R LED VU METER
This will display the relative output level of the Left and Right Main
PWR AMPS MODE (25) in STEREO and BRIDGE MODE. It will
also display the relative output level of the PWR AMPS MODE
(25) in the MAIN/MONITOR switch position .
(12) L AND R MASTER
These controls the final level of the Left and Right Master
Channel bus.
• They set the amount of the MASTER LEFT/RIGHT signal sent to
the internal left/right power amplifier or the external power
amplifier connected to the MIX OUT (36) jacks.
• The LEFT MASTER sets the level of the signal sent to the
internal power amplifiers when the PWR AMP MODE (25)
selector is in the BRIDGE position.
(15)
(16)
(13) METER MODE
The METER MODE switch displays L/R BUS signals to power
amps when in the L/R position.
When in the MAIN/MONITOR position, the Left VU Meter displays
Main bus signal and the Right VU Meter displays Monitor bus
signals to the power amps.
(17)
(18)
When in BRIDGE MODE, switch the METER MODE (13) to L/R
position and Left VU Meter displays signal to the power amp.
3. DIGITAL EFFECT SECTION
14) DSP ON/OFF SWITCH
The built-in DSP (Digital Sound Processor) offers 16 different
preset level and echo intervals. To use, press this switch to ON.
15) PEAK LED
This indicator allows you to monitor the level of the signals which
are sent to the built-in 16 bit digital effect. To avoid distortion,
adjust the channel DSP/AUX (3) control so that the indicator lights
only occasionally on peak levels.
16) REPEAT
This control adjusts the number of repeats (returns) of the DSP
system. Adjust for desired sound effect.
(14)
17) EFFECTS DISPLAY
Will indicate which of the 16 effect presets has been selected.
18) ECHO EFFECT SELECT UP/DOWN BUTTONS
Press either button to scroll in either direction through the 16
presets.
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CONTROLS AND CONNECTIONS
(19)
(20)
(21)
(27) (28)
(29)
(22)
(23)
(24)
(25)
(26)
4. MASTER CONTROL SECTION
26) MAIN MASTER
(19 & 22) AUX 1 AND 2 RETURNS CONTROLS
These are input controls that adjust the levels of the signal at the
AUX input jacks.
This adjusts the final level of the MAIN bus signal that is sent to
the LEFT/MAIN SPEAKER OUTPUT (37), when PWR AMP
MODE (25) switch is in the MAIN/MONITOR position.
20) DSP/MIX
27) POWER LED
This is a master control that adjust the return of the DSP signals
that effect all channels.
The red LED will illuminate when the unit is switched on.
28) PHANTOM POWER LED
21) AUX SEND
The LED will illuminate when the PHANTOM POWER (29) switch
is depressed to ON.
This is a master control that adjusts the output signal level at the
AUX SEND (30) jack.
29) PHANTOM POWER ON/OFF SWITCH
When this switch is depressed, +48V of phantom power will be
supplied to the mic channels.
23) TAPE IN
This adjusts the amount of signal that is sent from the external
tape player connected to TAPE IN L,R (34,35) jacks.
(Note: When turning on the PHANTOM POWER (29) switch, turn
channel level to minimum.)
24) MONITOR OUT
This adjusts the final level of the MONITOR bus. It affects both
the MONITOR output jack and output of the RIGHT/MONITOR
SPEAKER OUTPUT (37) jacks when PWR AMP MODE (25)
switch is in MAIN/MONITOR position.
25) POWER AMP MODE
The PWR AMP MODE switch allows you to select the signal that
will be output from the built-in dual channel amplifier: STEREO,
BRIDGE or MAIN/MONITOR MODE.
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CONTROLS AND CONNECTIONS
(30)
(32)
(34)
(35)
(31)
(33)
(36)
6. REAR PANEL
5. INPUT / OUTPUT JACKS
30) AUX SEND JACK
37) SPEAKER OUTPUT JACKS
The AUX SEND JACK provides a mono mixed signal from the
input channels to an external effects unit or other devices.
The signal is adjusted by the AUX/DSP (3) controls of each
channel and by the AUX SEND (21) control.
• RIGHT/MONITOR — Is use in STEREO MODE for right output
or MAIN/MONITOR MODE for monitor output
• LEFT/MAIN — Is used in STEREO MODE for left output or in
MAIN/MONITOR MODE for main output
• BRIDGED MODE — Is used only in BRIDGED MODE.
31 & 33) AUX 1 AND 2 RETURN JACKS
These jacks will accept the signal from an external effects unit and
other line level devices. These are adjusted by AUX 1 and 2
LEVELS (19,20) controls.
(Note: RIGHT/MONITOR (37) output jacks are connected in
parallel internally. LEFT/MAIN (37) output jacks are connected in
parallel internally)
32) MONITOR OUT JACK
(Caution: When using RIGHT/MONITOR (37) and LEFT/MAIN
(37) output jacks do not plug anything in BRIDGED output jack.
When using BRIDGE MODE do not plug anything into RIGHT/
MONITOR (37) or LEFT/MAIN (37) jacks)
This jack provides a nominal line level signal for stage monitoring
purpose. Its level is adjusted by the MONITOR OUT (24) control.
34) TAPE IN L, R JACKS
These jacks will accept the signal from an external device with a
stereo output, such as a cassette recorder. The level is adjusted
by the TAPE IN (23) control.
38) POWER CONNECTOR
The IEC jack is used to connect the power cord to the AC Power
Source.
35) TAPE OUT L, R JACKS
(Caution: Do not remove the center grounding pin.)
These jacks can be used to connect the LEFT/RIGHT output
signals to external recording devices.
39) FUSE COMPARTMENT
Replace with only the same type fuse (see page 13). If it blows
continuously, do not use the unit until it has been serviced by
qualified personnel.
36) MASTER MIX OUT JACKS
Use these jacks to connect to an external power amplifier if extra
output power for a larger P.A. system is required.
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CONTROLS AND CONNECTIONS
(37)
(38)
(39)
(40)
(41)
(50Hz)
41) POWER ON/OFF SWITCH
40) AC VOLTAGE SELECTOR SWITCH
To turn the unit ON press the button in, to turn the unit OFF
repress the button out.
Before plugging in the power cord, check to see that the unit is set
for the proper voltage for your area: ~115V (60Hz) or ~230V
7. SPEAKER CONNECTION EXAMPLES
The following speaker connections can be used for STEREO or MONITOR MAIN operations. Both RIGHT/MONITOR jacks are
paralleled together and LEFT/MAIN jacks are paralleled together.
MIN. 8Ω
MIN. 8Ω
MIN. 8Ω
MIN. 8Ω
MIN. 4Ω TOTAL
MIN. 4Ω TOTAL
MIN. 4Ω TOTAL
MIN. 4Ω TOTAL
BRIDGE CONNECTION
Connecting a single speaker to the BRIDGE jack. (Unit should be set to BRIDGE MODE).
MIN. 4Ω TOTAL
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CONNECTIONS
This NADY AUDIO mixer uses 4 different types of audio connectors for the various input/output connections: (1) XLR balanced; (2) 1/4”
TRS phone jacks for balanced, unbalanced, stereo, or in/out inserts; (3) 1/4” TS unbalanced; (4) RCA pin unbalanced
Figures
1. Balanced XLR input/output connections
2. Stereo headphone connection with 1/4" TRS plug
3. 1/4" mono (TRS) plug used as unbalanced input/output
4. 1/4" stereo (TRS) plug used as balanced input/output
5. 1/4" TRS plug used as Insert Send/Return
6. RCA pin plug for unbalanced input/output
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SPECIFICATIONS
1. INPUT SECTION
Input
Connector
Input Impedance
Max Level
MONO CH MIC
MONO CH LINE
AUX RETURNS
TAPE IN
XLR BALANCED
1/4” TRS BALANCED
1/4” TS BALANCED
RCA JACKS
3.7K Ω
25KΩ
10KΩ
10KΩ
-10dB (-20dB pad on)
+19dB (-20dB pad on)
+10dBu
+10dBu
2. OUTPUT SECTION
Output
Connector
Output Impedance
Max Level
MASTER MIX
AUX SEND
1/4” UNBALANCED
1/4” UNBALANCED
1/4” UNBALANCED
RCA JACKS
1K Ω
1K Ω
1K Ω
1K Ω
+21dB
+21dB
+21dB
+21dB
MONITOR OUT
TAPE OUT
3. MIXER SECTION
Frequency Response .................................................................................................................................................................... 20Hz~20KHz (±3dB)
THD.............................................................................................................................................................................................. 0.07%, 20Hz~20KHz
S/N RATIO ........................................................................................................................................................................................................... -65dB
NOISE FLOOR ................................................................................................................................................................................................... 102uV
HIGH EQ ±15dB ................................................................................................................................................................................................. 12KHz
MID EQ ±15dB ................................................................................................................................................................................................... 2.5KHz
LOW EQ ±15dB .................................................................................................................................................................................................... 80Hz
7-BAND EQ ±12dB ................................................................................ 125Hz, 250Hz, 500Hz, 1KHz, 2KHz, 4KHz, 8KHz, 2 x 5-segment VU meter
PHANTOM POWER...............................................................................................................................................................48VDC, globally selected
4. POWER AMP SECTION
POWER OUT
8Ω BOTH CHANNELS DRIVEN ............................................................................................................................................................. 200W RMS
4Ω BOTH CHANNELS DRIVEN ............................................................................................................................................................. 300W RMS
8Ω BRIDGED .......................................................................................................................................................................................... 600W RMS
4Ω BRIDGED .......................................................................................................................................................................................... 750W RMS
FREQUENCY RESPONSE.............................................................................................................................................................. 20Hz~20KHz ±1%
THD........................................................................................................................................................................................................................0.5%
5. GENERAL
POWER REQUIREMENTS ......................................................................................................... Voltage selectable, 115VAC/60Hz or 230VAC /50Hz
FUSE REQUIREMENTS ............................................................................................................ 12.5A 250V FB @ 115VAC; 6A 250V FB @ 230VAC
WEIGHT ............................................................................................................................ SPM 6600: 43 lbs. (19.5 Kg); SPM 8600: 44 lbs. (19.9 Kg)
DIMENSIONS .....................................................................................................................................11.8” x 18.8” x 12” (30.5 cm x 47.7 cm x 30 cm)
The specifications above are correct at the time of printing of this manual. For improvement purposes, all specifications
for this unit, including design and appearance, are subject to change without prior notice.
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BLOCK DIAGRAM
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SERVICE FOR YOUR NADY AUDIO PRODUCT
(U.S.) Should your NADY AUDIO product require service, please contact the Nady Service Department via telephone
at (510) 652-2411, or e-mail at [email protected].
(International) For service, please contact the NADY AUDIO distributor in your country through the dealer from
whom you purchased this product.
DO NOT ATTEMPT TO SERVICE THIS UNIT
YOURSELF AS IT CAN BE DANGEROUS AND
WILL ALSO VOID THE WARRANTY.
NADY SYSTEMS, INC. • 6701 SHELLMOUND STREET, EMERYVILLE, CA 94608
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