AudioSource AD508 User manual

AudioSource$
AD508
Digital Multi-Zone PowerAmplifier
FEATURES:
8 Channels (4 stereo zones)
8
Rear mountedlevel controls
8 Independent inputs, 2 Bus inputs, 1opticalinput
Bus 1
and Bus 2 masterlevel controls
Multi-function IR remote control
Normal, signal sensing,
and trigger power modes
Rear mounted treble and bass controls forbus 1 & 2
Phoenix-style speakerconnectors
LED status indicatorlights
Bridgeable channel outputs
Rack mountable (rack mountincluded)
SPECIFICATIONS
Stereo (8 ohm): 8 x 65Wperchannel, <0.2% THD+N
Stereo (4 ohm): 8 x 1
OOW per channel, <0.2% THD+N
Bridged Mono
(8 ohm): 200W, 1kHz, <0.2% THD+N
Frequency Response:
20Hz- 20kHz, +/- OdB
Signal to Noise Ratio: 100dB below SOW output into 8 ohms
w/20kHz lowpass filter/A-Wgt
Channel Separation: 65dB @ 1kHz, referred to 65W output
into 8 ohms
InputSensitivity: Variable, 430mV for full output with
Input Level control at maximum
AC PowerConsumption: 1000Wmaximum
NetWeight:
32.41bs /14.7kgs
Gross Weight:
37.41bs /17kgs
AudioSource®
13970 SW 72nd Ave
Portland, OR 97223
503 . 914.4688
www.audiosource .net
Congratulations on your purchase of the AudioSource®AD508.
Please take a
few moments to read this entire manual, and be sure to
retain this document
for future reference. Please read and observe all
safetyinstructions detailed on page 2.
NOTE: If any part of this productis damaged or missing, please call your
dealer or AudioSource®directly at 1.877.715.5439 or 503.914.4688.
Please
read your warranty and retain your receipt and original carton
for possible future use.
For more information about AudioSource®electronics, speakers and
accessories please visit www.audiosource.net
4.0"
(102mm)
14 . 75"
(375mm)
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16.63"(423mm)
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0
AD508 Owner's
Manual 30117

AD508
OWNERS MANUAL
CAUTION
RISK OF ELECTRICAL SHOCK
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE THE COVER. NO
USER SERVICABLE PARTS INSIDE. REFER SERVICING
TO QUALIFIED PERSONNEL!
The exclamation point within an equilateral triangle is intended to alert the user of the presence of important
operating and maintenance (servicing) instructions in the literature accompanying the appliance.
EXPLANATION
OF
SAFETY SYMBOLS The lightning flash with the arrowhead symbol within an equilateral triangle is intended to alert the user to the
presence
of uninsulated "dangerous voltage" within the products' enclosure that may be of suffici ent magnitude
to constitute a risk
of electric shock to persons.
IMPORTANT SAFETY INSTRUCTIONS
• WARNING: TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. THE APPARATUS SHALL NOT
BE EXPOSED TO DRIPPING
OR SPLASHING AND THAT OBJECTS FILLED WITH LIQUIDS, SUCH ASVASES, SHALL NOT BE PLACED
ON APPARATUS.
• WARNING:
TO PREVENT FIRE OR SHOCK HAZARD, DO NOT USE THIS PLUG WITH AN EXTENSION CORD, RECEPTACLE OR OTHER OUTLET
UNLESS THE BLADES CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE.
• WARNING:
THE MAINS PLUG IS USED AS DISCONNECT DEVICE. THE DISCONNECT DEVICE SHALL REMAIN READILY AVAILABLE.
• WARNING: ONLY USE ATTACHMENTS
OR ACCESSORIES SPECIFIED OR PROVIDED BY THE MANUFACTURER.
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus nearwater.
6. Clean only with
dry cloth.
7. Donot block anyventilation openings. The ventilation should not be impeded
by covering the ventilation openings with items such as newspaper, table-
cloths, curtains etc. Install in accordance with the manufacturer's instructions.
8.
Do not install near heat sources such as radiators, heat registers, stoves,
or otherapparatus (including amplifiers) that produce heat. No open flame
sources, such as lighted candles, should be placed on the apparatus.
9.
Do notdefeat the safety purpose of the polarized orgrounding type plug.
A polarized plug has two blades with one widerthan the other. A grounding
type plug has two blades and a third grounding prong.
The wide blade or
third prong is provided for yoursafety.
If the provided plug does notfit into
your outlet, consult an electrician for replacement of the obsolete outlet.
10. Protect the powercord from being walked on
or pinched particularly at the
plugs, convenience receptacles, and
at the point of exit from the apparatus.
11.
Only use attachments/accessories specified by the manufacturer .
12 . Use only with the cart, stand, tripod, bracket, or
table specified by the manufacturer, or sold with
the apparatus. When a cart or rack is used, use
caution when moving the cart/apparatus
combination to avoid injury from tip-over.
13.
The unit should be operated in a well ventilated
area. Minimum clearance is 2 inches from
the
ventilation openings.
14. Please operate the apparatus in moderate climates.
15. Unplug the apparatus during lightning storms
or when unused for long periods
oftime.
16. Refer all servicing to qualified personnel. Servicing is required when the
apparatus has
be en damaged inany way, such as powersupply cord or
plug isdamaged, liquid has been spilled or objects have fallen into the
apparatus has been exposed to rain ormoisture, does notoperate normally,
or has been dropped.
17. WARNING: To reduce the risk offire
or electric shock,do notexpose this
apparatus
to rain or moisture. The apparatus shall notbe exposed to
dripping
or splashing and thatobjects filled with liquids,such as vases,
shall notbe placed on apparatus.
18. WARNING: The mains plug/appliance coupler is used as disconnect device,
the disconnect device shall remain readily operable.
19. r[jlThis equipment is a Class
II or double insulated electrical appliance. It
1.!::::::!..1 is designed in such a waythat itdoes notrequire a safety connection
to electrical earth.
20. -This lightning flash with arrowhead symbol within anequilateral triangle is
intended to alertthe userto the presence
of non-insulated "dangerous voltage"
within the product's enclosure that may be
of sufficientmagnitude toconstitute
a risk
of electricshock.
-Warning:
to reduce the risk of electric shock, donotremove cover (or back) as
there are no user-serviceable parts inside. Refer servicing toqualified personnel.
-The exclamation point within an equilateral triangle is intended to alertthe user
to the presence
of importantoperating and maintenance instructions in the
literature accompanying the appliance.
MAGN
ET IC FIELD: !!CAUTION!! Do not locate sensitive high-gain equipment such as preamplifiers or tape decks dir ec tly above or below the unit. Because
this amplifier has a high power density,
it has a strong magnetic field, which can induce hum into unshielded devices that are located nearby. The field is
strongest
just above and below the unit. If an equipment rack is used, we recommend locating the amplifier(s) in the bottom of the rack and the preamplifier
or other sensitive equipment at the top.

~.~-
MULTI-ZONE POWER AMPLIFIER
AD508
OWNERS MANUAL
~ZONE~
0 0 0 0
1 2 3 4
\ I I
FRONT PANELCONTROLS
1. MasterPower Switch I Indicator LED
Front panel pushbutton power switch turns the amplifieron and off. When the
switch is on and the indicator LED is red, the amplifier is in standby mode.When
the LED is blue, the amplifier is fully active. The master powerswitch will turn
off
the amplifier no matterwhich power mode has been selected with the rear panel
PCM'ef' Mode switch.
REAR PANEL CONTROLS
3. Bus Line Inputs I Outputs
The AD508 has two common or Bus inputs that receives audio signals from
standard line-level audio sources and sends them
to any or all channels. The Bus
line outputs are directfeed-through
to allow the Bus inputs to be fed to other
amplifiers.
Be sure to use high quality RCA cables that feature low impedance,
shielding and high quality connectors.
4. Power Mode Switch
Thisswitch selectstheturn-on stimulithatwill puttheamplifier in ready mode.
"Trigger" setting relies on 3-30V AC/DC voltage going into the trigger input
to
activate theamplifier. "Auto" setting senses a signal on the RCA line-level inputs
and automaticallyputstheamp in ready mode."On"setting puts the
amp
constantly in ready mode so that it can be controlled by the master power switch
on the front panel. In "Auto" mode, the amplifier will take approximately 10
minutes to return from ready
to standby mode.
5. Trigger InputI Output
The trigger input is a handy feature when connecting the amplifier to an
automated audio system. The 3.5mm mini plug
jack will accept a 3-30V AC/DC
output from anotherdevice, or from a separate power supply. When the trigger
inputis energized, the ampturnsfrom standby to ON mode. When using the
AD5012 with a receiverwithout a trigger output, the voltage can come from a 12V
wall
wart (3.5mm tip-positive connector) plugged intothe receiver's switched outlet
andthetrigger input.TheA5012 can al
so provide an outputtriggervoltage (12DC
@500mA max.)
to turn on and off otherdevices in the audio system.When the
amplifierturns
off (standby mode), the voltage will drop to zero.
6. Opticallnput
This input uses a fiber optic ca ble to transmit a digital signal to the amplifier. Use
of this input is re co mmended for advanced users who are familiarwith the
audio source's OSD system. When using the Optical input, make sure the
source unitthe cable is plugged into is
in Digital PCM (2 Channel) Mode .
Please refer to your s ourc e's operating manual wh en us ing this input.
NOTE : Optical Input will notdecode 5.1 or 7.1 signals; only Digital PCM signals.
7. Bus Level Controls
Each Bus has its own independent level adjustment. This allows the output level
of each Bus to be adjusted to make up for different source levels, or to group 2
different source's volume levels. These controls are rotary encoders, with 1dB
"click" increments. The remote control can also increa
se or decrease these levels
independently.
• AD508
\ \ I
2. Zone Status Indicators
Figure 1. Front Panel
8.
9.
10.
11 .
12.
13.
Each
pair of channels or zones has a bi-color LED to indicate itsoperational
status.Theseindicatorsprovidequick and easytroubleshooting
of thesystem. Ifthe
circuitrydetermines that a channel must
be shut down due to excessive heat or low
impedance (a short), onlythe channels that are affected will be turned
off causing
thezone LED to turn red. The remaining zoneswill continueto operateand maintain
a blue LED status. Oncethe condition has been corrected forthe zone in question,
the status LED will return
to blue.
Note: When the powerLEDis red and thezonestatusLEOS are not
li t (off) indicates
the unit is in stand by mode.
Figure 2. Rear Panel
Bus 1 and Bus 2 Bass and Treble Controls
Thes e controls can adjust bass and treble frequencies +/- 12dB at 1OOHz
and 10k Hz on Bus 1 and Bus 2 independently.
Bridging Switch
By simply flipping a single switch, two channels can be combined to increase the
total power output. This is helpful when extra power is needed in certain areas.
Note: The minimum impedance
for bridged channels is 8 ohms.Also, please
observethe properspeakerwiring when bridging channels. Input selection and
volume settings for bridged channelswill
be controlled bythe leftchannel."BR" is
bridged mode and
·sr is non-bridged or stereo mode.
Channel Gain Control
Each channel has its own independent level adjustment. This allows the output
level
of each speaker to be perfectly matched to its area. It can also be used to
limit the maximum audio level in a certain area.
Input Selection Switch
Each channel is capable
of delivering the source from one of three inputs. The
thr ee main inputs are Bus 1, Bus 2 and LINE IN. The selection for these inputs
is done via the Input Selection switch associated with each channel. Select the
desired source input.
Set the InputSelection switch to Bus 1 (will play source
co nnected to the Bus 1 input), Bus 2 (will play source co nnected to the Bus 2
input)
or LINE IN (will play source connected to that channel's LINE IN).
Individual Channel Input
All
tw elve channels have theirown dedicated inputthat allows the connection of
audio sources in addition to the common Bus inputs.This is useful when using
the AD5012 with an audio matrix switcher.
SpeakerOutputTerminals
The AD5012 uses high quality Phoenix style connectors forthe speaker
co nnections. U se 14-18 gauge stranded two-conduc tor loudspeakerwire.
Ensure that at least 2 inches
of each conductorare separated. Strip away Y.
inch of insulation from each conductor. Connect the appropriate conductor
to each screw terminal, observing correct polarity. Also, please observe proper
speakerwiring when bridging channels.
13970 sw?2nd Ave Portland OR 97223 • 503 914 4688 • www audi OSo urce net • AudioSource

AD508
OWNERS
MANUAL
(Page
3 Con'()
14.
AC
Voltage
Switch
The
unit
is
set
at
the
factory
for
115V
U.
S.
operation;
simply
connect
the
included
lEG
power
cord
to
your
wall
outlet. For 230V operation,
move
the
voltage selector
switch
to
the
230V
position.
When
operating
at
230V
the
internal fuse
located
in
the
lEG
socket should
also
be
changed.
In
most
230V
applications a separate
power
cord
will
be
required
and
is
not
included.
15
.
IEC
Power
Connector
The
un
it
comes
with
an
lEG
jack that permits
removal
of
the
AC
power
cord
.
This allows
the
flexibility ofchanging
the
power
cord
for
different countries.
The
lEG
socket
also
houses
the
main
fuse holder.
Plug
the
power
cord
supplied
with
the
amplifier into
the
amplifier
and
a
wall
outlet or appropriate
surge
protector.
CAUTION:
DO
NOT
plug
the
amplifier's
power
cord
into a
switched
outlet,
such
as
what
is
provided
on
some
Surround
Receivers.
If
you
wish
to
have
the
amplifier turn
on
when
the
Receiver
is
powered
up,
use
one
of
the
power
modes
,
such
as
Trigger or
Auto
.
A Note On Distortion
Digital amplifiers distort differently than conventional Class
NB
amplifiers.
If
you
hear a clicking or popping sound at high volume levels, this is an
indication the AD508 is distorting. Pushing the amplifier harder than
the distortion level may trigger
the
amplifier's protection circuitry which
will tum the output ofthe amplifier offand engage the
red
protection
LED.
Ifthis occurs, simply tum the channel level down until the distortion
no
longer occurs.
Limited Warranty
REMOTE
1. Mute
Press this button to mute the AD508
output.
2. Power/Standby
Press this button to bring the AD508 out
of
Standby Mode, or to put the Amplifier
in
Standby Mode. If rear panel Power Mode
switch
is
in
Auto mode, this button
is
non-
functional.
3. Bus1
Volume+/-
Controls
Controls the Volume level
of
BUS 1the
same way the back panel BUS 1 Level
Control does.
4. Bus2 Volume
+/-Controls
Controls the Volume level of BUS 2 the
same way the back panel BUS 2 Level
Control does.
0 0
@ @
®
BU
S1 ®
®
BU
S2
®
D AudioSource·
AudioSource®
warrants its amplifier products
against
defects
in
materials and
workmanship
for
a limited period
of
time
.
For
a period
of
two
years from
date
of
original purchase,
we
will repair
or
replace the product
at
our
option, without charge
for
parts and labor.
Customer
must
pay all parts and
labor
charges after the
limited
warranty
period expires.
The
limited
warranty
period
for
factory refurbished products expires after the ninety (90)
days
from
date
of
original purchase.
This limited warranty applies only to purchases
from
authorized
AudioSource®
electronics retailers.
This
limited warranty is extended
only
to the original
purchaser and is valid
only
to consumers in the United States.
Consumers
are
required to provide a
copy
of
the
original sales invoice from an authorized
Aud
i
oSource®
dealer
when making a claim
against
this limited
warranty.
This
limited warranty
only
covers failures
due
to defects in materials
or
workmanship
that
occur
during normal use. It
does
not
cover
failures resulting
from accident, misuse, abuse, neglect, mishandling, misapplication, alteration, faulty installation, modification, service
by
anyone
other
than
AudioSource®
,
or
damage
that
is attributable to
Acts
of
God
. It
does
not
cover
cost
of
transportation to
AudioSource®
or
damage
in transit.
The
customer
should return his defective
product, freight prepaid and insured, to
AudioSource®
only
after
receiving a Return Authorization.
This warranty will
become
void
if
the
serial
number
identification has been wholly
or
partially removed, altered
or
erased. Repair
or
replacement
under
the terms
of
this
warranty
does
not
extend
the
terms
of
this
warranty. Should a product prove to
be
defective in workmanship
or
material, the
consumer's
sole remedies will
be
repair
or
replacement
as
provided
under
terms
of
this
warranty
.
Under
no
circumstances shall
AudioSource®
be liable for loss
or
damage
, direct, consequen-
tial
or
incidental, arising
out
of
the use
of
or
inability to
use
the
product.
There
are
no
express
warranties
other
than described
above
.
FCC Notice
This device complies
with
Part
15
of
the
FCC
rules. Operation
is
subject to
the
two following conditions:
(1
)This device
may
not
cause
harmful interference, and
(2)This device
must
accept
any
interference received, including interference that
may
cause
undesired operation.
CAN ICES-3
(B)/NMB-3(8)

Thank you for purchasing your Audiosource amplifier from
Crutchfield. The manufactures warranty for this amplifier is 2
years, however thanks to our partnership with Audiosource, this
has been extended by Audiosource to 3 years from the original
date of purchase. During this timeframe Crutchfield will, at
Crutchfield’s sole discretion, exchange the amplifier if it is
found to be defective. If the amplifier is no longer available, a
replacement model of similar features as solely determined by
Crutchfield will be substituted.
The cost for the packaging, insurance and return shipping to
Crutchfield of the defective amplifier is the responsibility of the
purchaser, and the cost of packaging and shipping of the
replacement amplifier will be the responsibility of Crutchfield.
Any and all other terms and conditions of the Amplifier’s
original Audiosource owner’s warranty remain in full force,
except as modified by this document.
Please contact Crutchfield Customer Service at 1-800-955-9091
if you are experiencing any issues with your Audiosource
amplifier and our agents will help diagnose the problem and if
the product is found to be defective within the normal
stipulations of the manufactures warranty, a repair or
replacement will be arranged for a period of 3 years from the
original date of purchase.