Symphonic
Reference
Load Invariant High Fidelity
Stereo Power Amplifier
SAFETY
15. To prevent electric shock, do not 16. Grounding or Polarization —
ATTENTION — Le présent appar-
eil numérique n'émet pas de bruits
radioélectriques dépassant las limites
applicables aux appareils numériques
de class A/de class B (selon le cas)
prescrites dans le règlement sur le
brouillage radioélectrique édicté par
les ministere des communications du
Canada.
use this polarized plug with an exten-
sion cord, receptacle or other outlet
unless the blades can be fully inserted
to prevent blade exposure.
Pour préevenir les chocs électriques
ne pas utiliser cette Þche polariseé
avec un prolongateur, un prise de
courant ou une autre sortie de cou-
rant, sauf si les lames peuvent être
insérées à fond sans laisser aucune
parIIIe à découvert.
Precautions should be taken so that
the grounding or polarization means
of the Component is not defeated.
This apparatus does not exceed the
Class A/Class B (whichever is ap-
plicable) limits for radio noise emissions
from digital apparatus as set out in the
radio interference regulations of the Ca-
nadian Department of Communications.
WARNING – TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,
DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
CAUTION: TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE
OF PLUG TO WIDE SLOT, FULLY INSERT.
ATTENTION: POUR ÉVITER LES CHOCS ÉLECTRIQUES, INTRO-
DUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE
CORRESPONDANTE DE LA PRISE ET POUSSER JUSQU’AU FOND.
Contents
Please read the Safety Instructions
Safety Instructions................................... 2-3
carefully before connecting and
using your SunÞre AmpliÞer.
Chapter 1: Introduction ...............................4
Unpacking and List of Features .................4
Overview.....................................................5
Rear Panel Features ..................................5
Installation ..................................................7
Chapter 1 is a general introduction
to the features, details and installa-
tion of your ampliÞer.
Chapter 2 shows some typical con-
nections to a preampliÞer and
speakers.
Chapter 2: System ConÞgurations.............8
The Appendix shows some addition-
al information, including a trouble-
shooting guide, the Warranty, and
service assistance details.
Appendix:
Series and Parallel ...................................11
Troubleshooting Guide .............................12
SpeciÞcations ...........................................14
Limited Warranty ......................................15
Service Assistance ...................................15
To Þnd out more about this and other
SunÞre products, please visit our
3
User's Manual
CHAPTER 1
Introduction
Features
Unpacking
Your SunÞre AmpliÞer should
reach you in perfect condition. If
you do notice any shipping damage,
please contact your SunÞre Dealer
immediately.
•
•
•
•
•
Two channel Power AmpliÞer in
a 17” wide chassis
250 watts per channel into 8
ohms
500 watts per channel into 4
ohms
Gently lift out the unit and remove
all the packing material and acces-
sories. It is important to save all the
packing materials and the box in case
your ampliÞer ever needs to be moved
or shipped for repair.
Outrageously low -115 dB
Noise
Dear Friend,
An enormous power source
provides the ultimate muscle
for limitless dynamics
Thank you for purchasing my
SunÞre Symphonic Reference
AmpliÞer. I hope that you enjoy it and
the music it makes as much as I have
enjoyed creating it for you.
Make sure that you keep your
sales receipt. It is the only way to
establish the duration of your Limited
Warranty and it may come in useful
for insurance purposes.
•
•
Peak-to-peak current output
capability is 80 amperes per
channel
The ampliÞer can drive almost
any load to any rationally us-
able current or voltage level.
Please take a moment to Þll
out and mail the SunÞre Customer
Response card. Also read the serial
number located on the rear panel and
record it here:
•
•
•
MOSFET tracking downcon-
verter
12 VDC trigger input for remote
turn-on
Serial #:
The intrinsic frequency
response extends from 1 Hz to
beyond 100 kHz
___________________________
Purchased at:
___________________________
___________________________
___________________________
___________________________
Date: _______________________
•
•
IEC removable power cord
High quality styling and Þnish
4
User's Manual
CHAPTER 1
Overview
Your SunÞre Symphonic Refer-
ence AmpliÞer is actually two high-
powered ampliÞers combined in
a 17 inch wide chassis. It accepts
line-level signals from a controlling
preampliÞer, and ampliÞes them to
a higher speaker-level, suitable for
driving powerful stereo and Home
Theater speakers.
Rear Panel Features
1
2
•
•
In the ALWAYS-ON (up) posi-
tion, the ampliÞer is always on,
regardless of input signals or
12 VDC trigger.
1. AUTO/ON/OFF Switch
Your SunÞre AmpliÞer is designed
with an automatic on/off circuit.
The SunÞre Symphonic Refer-
ence PreampliÞer has a compatible 12
VDC trigger output. When the pream-
pliÞer is turned on, the ampliÞer will
also turn on.
•
In the AUTO-ON (center)
In the ALWAYS-OFF (down)
position, the ampliÞer is always
off, regardless of input signals
or 12 VDC trigger.
position, the ampliÞer will au-
tomatically turn on if an audio
signal is present at the left
or right input, or if it receives
an input trigger voltage at the
12 VDC inputs. The ampliÞer
will automatically turn off after
a few seconds if the trigger
voltage is removed, or after ap-
proximately 20 minutes in the
absence of an audio signal.
1/8" mono mini jacks are provided
for ease of installation, along with a
terminal strip to allow more ßexibility
for custom-wired installations. The
terminal strip and both the 1/8" mini
jacks are connected in parallel, allow-
ing 'daisy chaining' to turn on multiple
ampliÞers.
2. 12 VDC Trigger Input
Although the signal sensing turn-
on is adequate for most installations,
the 12 VDC trigger inputs are offered
as an optional way to turn on the
ampliÞer.
continued..
5
User's Manual
CHAPTER 1
Rear Panel Features continued
3 4
3 4
5
5
6
7
3. RCA Unbalanced Inputs
4. XLR Balanced Inputs 6. IEC Connector
Your SunÞre AmpliÞer has three
sets of inputs for each channel. Two
are unbalanced RCA inputs and one
is a balanced XLR type.
The ampliÞer comes with a
If your preampliÞer has XLR out-
puts, connect them to the XLR inputs.
detachable Linecord which attaches
here. Make sure it is Þrmly pushed in
place. Connect the other end to an AC
outlet which is properly conÞgured for
the type of plug and has the correct
voltage for your model.
The female XLR inputs are wired
as follows:
The two RCA inputs for each
channel are joined together internally
and either one can be connected
to the corresponding output of your
preampliÞer. The other can be used as
a daisy-chaining output, sending the
preampliÞer output signal to another
channel or to another ampliÞer.
Pin 1 is ground
Pin 2 is positive (hot)
Pin 3 is negative (cold)
7. Line Fuse
If this fuse fails, replace it with the
exact same “Slow-Blow” type and cur-
rent rating.
Balanced connections pass the
input signal along two conductors. If
there is any external noise and inter-
ference passing into the audio lines,
both conductors will receive the same
amount of noise. This noise is then
rejected in the balanced input stage of
the SunÞre AmpliÞer.
Note: Always unplug the
power cord from your AC out-
let before removing the fuse.
Use a ßat headed screw-
driver, push in slightly and
gently rotate the fuseholder
half a turn.
Note that signals cannot pass
from the RCA into the XLR inputs.
Do not drive the ampliÞer from
more than one preampliÞer or other
source.
5. Outputs
The top post of each
pair is the positive out-
put, and connects to the
positive (red) post of your
speaker. The bottom post
of each pair is the negative, and con-
nects to the negative (black) post of
your speaker. The posts can accept
bare wire, spade terminals, and dual
or single banana connectors.
6
User's Manual
CHAPTER 1
Installation
Read and follow all safety instruc-
tions shown on pages 2 and 3.
Connection Tips
Before setting up your new sys-
tem, please consider the following :
12 VDC Trigger
If you have a Symphonic Refer-
ence PreampliÞer, it has a Trigger
terminal which supplies 12 VDC
whenever the preampliÞer is turned
on. This voltage can be used to turn
on the ampliÞer.
Observe the following precautions
when choosing a location for your
ampliÞer:
Always make sure that your
components are all turned
OFF, or unplugged before
making or changing any
connections.
•
•
•
Do not cover any of the ven-
tilation slots on the bottom or
sides.
Use all standard safety
precautions and make sure
all the equipment is discon-
nected before making any
connections.
Do not place a preampliÞer
directly on top of the power
ampliÞer.
•
Make sure that the power
cords of all your components
are attached to the same outlet
or at least to the same circuit.
This will reduce the possibility
of a ground loop in the system.
Protect it from prolonged
exposure to direct sunlight and
other direct sources of heat,
such as heating vents and
radiators.
Any 1/8" mono to mono (two-wire)
interconnect cable will sufÞce to con-
nect the 12 V trigger output from the
preampliÞer to the ampliÞer.
•
•
Make sure that the total current
draw does not exceed the cur-
rent rating of the outlet.
The voltage range for the ampli-
Þer's trigger input is 5 to 18 Volts DC.
Do not exceed 18 Volts on this input.
(CAUTION: Do not connect AC line
voltage to this input!)
•
Do not expose the unit to rain
or moisture. If ßuid or a for-
eign object should enter the
unit, immediately turn off the
power and contact your SunÞre
Dealer.
Use the XLR inputs if your
preampliÞer has XLR outputs.
These balanced connections
provide superior noise rejec-
tion.
The input impedance of the 12 V
trigger input is approximately 600Ω
(20 mA @ 12 V).
•
•
Avoid excessive exposure to
extreme cold or dust.
•
Whenever possible, route the
power cords away from the
signal cables or speaker wires
to prevent any hum or inter-
ference heard in the speakers.
Do not place heavy objects on
top of the unit.
AC Power Considerations
•
•
Choose reliable hookup cables.
They should be fully shielded
and as short as possible.
Ensure that the unit is plugged
into an outlet capable of supplying
the correct voltage speciÞed for your
model. The outlet should be capable
of supplying 15 amps at 120V.
Some patch cords can be a
very tight Þt and there is usu-
ally a preferred method of get-
ting them off. Some have to be
removed with a twisting action.
Be gentle or you may damage
the jacks of your ampliÞer, or
other components.
Care
If you need to clean the front
surface, Þrst turn unplug the power
cord from the AC supply, and then use
a dry cloth, rubbing with the grain. Be
careful not to scratch the Þnish. Avoid
strong cleaning agents.
•
•
Some audiophile cables should
be hooked up in one direction,
these are usually marked with
arrows.
It is usual for the right channel
patch cord plugs to be red and
the left channel connections to
be white, grey or black.
7
User's Manual
CHAPTER 2
System ConÞgurations
The following diagrams show some typical connections that you might make in
your installation. They show how the inputs and outputs of the SunÞre AmpliÞer are
connected to your preampliÞer and speakers.
Connections to the SunÞre Symphonic Reference PreampliÞer
Line-level audio signals
From: PreampliÞer main outputs
To:
AmpliÞer line-level inputs
12 VDC Trigger voltage
From: PreampliÞer 12 VDC trigger outputs
To:
AmpliÞer 12 VDC trigger inputs
The ampliÞer's line-level audio in-
puts can be connected to the SunÞre
Symphonic Reference PreampliÞer
as shown. The ampliÞer will boost
the preampliÞer's output, up to a level
suitable for driving speakers.
+ -
R
P
IG
H
T
E
S
+ -
E
A
K
R
L
E
F
T
The 12 VDC connection shown,
can be used to turn the ampliÞer on
when the preampliÞer turns on. Alter-
natively, you could use the ampliÞer's
AUTO-ON switch. The ampliÞer will
then automatically turn on when a
preamp signal is received.
S
P
E
A
K
E
R
Speaker-level audio outputs
From: AmpliÞer outputs
To:
Speaker input posts
8
User's Manual
CHAPTER 2
Balanced Connections
PREAMPLIFIER
BALANCED OUTPUTS
Balanced line-level audio signals
From: PreampliÞer XLR outputs
To:
AmpliÞer XLR inputs
RIGHT
LEFT
+ -
R
IG
H
T
E
+ -
S
P
E
A
K
R
L
E
F
T
S
P
E
A
K
E
R
If your preampliÞer has XLR bal-
anced outputs, it can be connected to
the ampliÞer's XLR inputs as shown.
Speaker-level audio outputs
From: AmpliÞer outputs
To:
Speaker input posts
9
User's Manual
CHAPTER 2
Biamping connections
If your speakers can be biamped,
they will have separate input posts for
the woofer and the tweeter sections.
True biamping is very efÞcient
because each ampliÞer channel only
receives and ampliÞes the range
required for its driver. For example, in
the diagram below, the right channel
only ampliÞes the low frequencies,
and the left channel only ampliÞes the
high frequencies.
speaker's crossover point. Check
the speaker owner's manual for this
speciÞcation.
An alternative connection method
is to have one ampliÞer running the
two woofers and the other running the
two tweeters. This is useful if your am-
pliÞers have different power ratings.
Use the more powerful ampliÞer to run
the woofers.
This diagram shows how to cre-
ate a very efÞcient system with an
active external crossover. The cross-
over will split the incoming preamp
signal into two frequency ranges: one
above and one below the crossover
frequency.
Make sure that you adjust the
crossover frequency to suit your
PREAMPLIFIER
BALANCED OUTPUTS
R
IG
H
T
L
E
F
T
RIGHT
INPUT
LO
W
HIGH
LEFT
A
CTIVE
EXTERNAL
CR
LO
W
HIGH
OSSO
VER
R OUTPUTS
INPUT
L OUTPUTS
HIGH
LO
W
T
O
S
M
E
C
O
N
IE
D
R
A
P
L
IF
+ -
R
IG
H
T
R
+ -
W
O
O
F
E
R
IG
H
T
T
W
E
E
T
E
R
10
User's Manual
APPENDIX
Series and Parallel speaker connections
The connection of more than
one speaker per channel will tend
to degrade the speaker’s frequency
response, and may make the ampliÞer
Parallel
For example, if you want to paral-
lel-connect two speakers to the front
•
•
Ideally, the total average
impedance should be no less
than 2 ohms per channel.
right channel of the ampliÞer:
run hot. For the best results use one
speaker per channel.
You must make sure that the
lower impedance does not
cause the ampliÞer to over-
heat, shut down, blow the line
fuse, or pop your circuit break-
er. If this happens, you should
reduce the number of speakers
wired in parallel, rewire them in
series, or use more than one
power ampliÞer.
If you do want to connect more
than one speaker per channel, there
are two main ways: Series or Parallel.
Amplifier
Outputs
Series
For example, if you want to
series-connect two speakers to the
front right channel of the ampliÞer:
•
•
The positive output terminal of
the right channel connects to
the positive input post of the
Þrst speaker and to the positive
post of the second speaker.
Amplifier
Outputs
The negative output terminal
of the right channel connects
to the negative input post of
the Þrst speaker and to the
negative post of the second
speaker.
•
•
•
•
The positive output terminal of
the right channel connects to
the positive input post of the
Þrst speaker.
•
The total impedance of equal
speakers in parallel is found
by dividing the impedance of
one speaker by the number of
speakers. For example, two
eight ohm speakers in parallel
is a four ohm load (eight ohms
divided by two), four eight ohm
speakers in parallel is a two
ohm load (eight ohms divided
by four).
The negative input post of the
Þrst speaker connects to the
positive input post of the sec-
ond speaker.
The negative input post of the
second speaker connects to
the negative output terminal of
the right channel.
The total impedance of speak-
ers in series is found by adding
their impedances together. For
example, two four ohm speak-
ers in series is an eight ohm
load.
•
Parallel connections are harder
on the ampliÞer than series
connections, as the total im-
pedance is lower compared to
driving a single speaker, and
the ampliÞer must produce
more current to drive them.
•
Series connections are easier
on the ampliÞer than parallel
connections as the total imped-
ance is higher than driving a
single speaker.
11
User's Manual
APPENDIX
Troubleshooting Guide
The SunÞre AmpliÞer is expertly
designed and built to provide years of
trouble-free performance. Most prob-
lems that occur can usually be solved
by checking your setup or making
sure that the audio and video compo-
nents connected to the processor are
on and fully operational.
•
•
If you have connected speakers
in Parallel, the overall impedance
may be too low. It is recommended
that you rearrange the speakers
in Series to increase the overall
impedance, thus taking some of
the load off the ampliÞer.
•
•
Disconnect any component
which has a grounded power
cord.
If the hum persists, disconnect
all the source components one
at a time from the back of the
preampliÞer, until you identify
the problem.
Make sure that the ampliÞer
has good ventilation and is not
overheating. If the ampliÞer is in
a closed rack, open up the rear
panel or use a quiet fan for im-
proved ventilation.
The following information will help
you deal with common setup problems
you may experience during normal
use of your unit. If the problems still
persist, please contact your SunÞre
Dealer for assistance.
•
•
Ground loop isolators are avail-
able for audio lines and video.
You can ask your SunÞre
Dealer for assistance.
Try moving the speaker cables
away from any power cords.
Try just one speaker, connect-
ing it to each ampliÞer channel
and see if one channel is bad.
A Hum is heard in your
speakers
This problem is more than likely
caused by a “ground loop” in your sys-
tem, rather than a fault in the ampliÞer.
Follow these steps to isolate the main
cause of the hum, there may even be
more than one.
No sound from one or
more speakers
•
Speaker cables may have
come undone. Turn off your
system and check the cables,
and tighten the ampliÞer and
speaker binding posts.
•
If you are still having a prob-
lem, remember that SunÞre’s
dealers and technical support
staff will assist you.
•
•
Broken audio cable.
•
Remember to turn off all
components in your system,
including the ampliÞer, before
disconnecting or connecting
any cables.
Other causes of noise
The preampliÞer balance level
is low for the channel con-
cerned.
•
Speaker noise may also be
caused by interference or
noise on your AC line. Make
sure there are no large ap-
pliances sharing the line, or
halogen lamps or light-dimming
Triac devices.
•
The preampliÞer Mute switch
is on, or an external processor
loop or a tape monitor loop is
engaged.
•
Disconnect all cables which
come from outside the room,
and check if the hum goes
away. This includes such
connections as cable TV,
satellite TV, or roof top an-
tennas. Make sure that they
are disconnected where they
Þrst enter the room, so they
are making no connection to
the preampliÞer or the TV, or
any other component. If the
hum is caused by the cable
TV line, then you will need a
“ground loop isolator.” This is
an inexpensive device Þtted in
line with the coaxial cable feed.
Contact your cable company or
your SunÞre Dealer for assis-
tance.
•
Try connecting your system to
another AC socket on a sep-
arate line.
The ampliÞer shuts down
often or the line fuse blows
often
•
•
•
Keep power cords away from
audio cables.
•
Check that the positive and nega-
tive speaker wires are not shorted
together.
Do not place the preampliÞer
directly on top of the ampliÞer.
•
Make sure that no speakers are
shorted internally. If you have an
ohm-meter, disconnect the speaker
wires and measure the resistance
between the speaker’s positive
and negative terminals. If the read-
ing is less than 2 ohms, the speak-
ers may have an internal short.
Measure all speakers and check
their impedance speciÞcations.
If the hum is heard from within
the ampliÞer and not through
the speakers, this may also
be caused by interference on
the AC or DC lines. The power
transformers may turn this
interference into an audible
noise. Internal hum can be
made worse by a shelf or cabi-
net resonating, so try moving
the ampliÞer to another shelf.
•
Disconnect all connections
from the preampliÞer to your
TV, VCR or DVD.
12
User's Manual
APPENDIX
•
•
Try moving your components
further away from the TV, espe-
cially if you ever notice the
screen has changed color in
the area closest to the compo-
nent.
If you have very high efÞciency
speakers, these may show up
noise which other speakers
may not.
Poor bass performance
•
Make sure that your preamp
does not have the bass level
turned down.
•
Many surround preampliÞers
have controls which can direct
all the bass to subwoofers, or
let your main speakers play the
full range. Make sure that the
preampliÞer has been correctly
set.
•
Check that the speaker wires
have been connected correctly:
Make sure that the positive of
each speaker connects to a
positive output of the ampli-
Þer, and the negative of each
speaker connects to a neg-
ative output. If one speaker is
wired incorrectly, than it will be
“out of phase” with the others,
resulting in poor bass perfor-
mance.
•
If you have connected the
ampliÞer using the XLR inputs,
make sure that the XLR cables
are wired correctly. If one has
the hot and cold reversed, then
this will also cause a speaker
to be out of phase.
Turn-on and turn-off
thumps
•
Plug the ampliÞer into an
unswitched AC outlet, and use
the AUTO-ON feature. This will
allow the ampliÞer to turn on
and off with good manners.
13
User's Manual
APPENDIX
SpeciÞcations
Power output
Power Consumption
250 watts continuous, per channel,
all channels driven into eight ohms,
from 20 Hz to 20 kHz with no more
than 0.5% T.H.D.
45 W at idle
200 W typical (1/8th power)
1800 W absolute maximum
(fuse limit)
Power at clipping,
minimum:
Dimensions
17.0 inches wide
5.75 inches high (with feet)
16.5 inches deep (to tips of
connectors)
500 watts per channel into four
ohms.
Hum and Noise
Weight
-115 dB, A-Weighted
30 lbs
Maximum output current
Finish
80 amperes peak to peak per
channel
Brushed aluminum and black
anodize
Maximum output voltage
45 Vrms
Input impedance, RCA
inputs
24 kΩ
Input sensitivity for rated
output
Unbalanced: 1.6 Vrms
Balanced:
0.8 Vrms
Input impedance,XLR input
24 kΩ, each leg balanced to
ground Female XLR
Pin 1
Pin 2
Pin 3
ground
positive (hot)
negative (cold)
12 VDC Trigger Inputs
Input voltage range
5 VDC-18 VDC
© 2002 SunÞre Corporation.
All rights reserved. SunÞre Corpora-
tion reserves the right to improve
its products at any time. Therefore,
speciÞcations are subject to change
without notice.
Input impedance
Approximately 600 Ω
(20 mA at 12 V)
Removable terminal block
Dual 1/8” minijacks for daisy-
chaining
Manual part number:
913-047-00 Rev A
14
User's Manual
APPENDIX
Limited Warranty
Service Assistance
SunÞre Corporation is proud of its
products which have been built with
care using advanced technology and
premium component parts. Your unit
has been crafted to perform properly
for many years. SunÞre Corporation
offers the following Warranty to you,
the owner of a new SunÞre product:
SunÞre Corporation’s liability is
limited to the repair or replacement,
at our option, of any defective prod-
uct and shall not in any event include
property or any other incidental or
consequential damages which may
result from the failure of this product.
We suggest that you read the Limited
Warranty completely to fully under-
stand your Warranty/Service cover-
age.
If your SunÞre Corporation prod-
uct ever requires service, write to us
or call:
Some states do not allow limitations
on how long an implied warranty lasts
and/or do not allow the exclusion or
limitation of incidental or consequential
damages, so the above limitations or
exclusions may not apply to you.
SunÞre Corporation
Technical Services Department
P.O. Box 1589
Snohomish, WA 98291
Tel (425) 335-4748
Fax (425) 335-4746
The SunÞre Corporation Warranty
for the Symphonic Reference Ampli-
Þer is in effect for FIVE years from the
date of original retail purchase. The
SunÞre Corporation Warranty covers
defects in materials and workmanship.
The following, however, are excluded:
This Warranty gives you speciÞc
legal rights, and you may also have
other rights which vary from state to
state. We suggest that you attach your
purchase receipt to this Warranty and
keep these in a safe place. Thank you
for your choice of a SunÞre Corpo-
ration product.
You will be directed to an autho-
rized SunÞre Corporation Service
Station or receive instructions to ship
the unit to the factory. Please save the
original shipping carton and packing
materials in case shipping is required.
Please do not ship Parcel Post.
a) Damage caused during ship-
ment.
b) Damage caused by accident,
misuse, abuse of operation
contrary to the instructions
speciÞed in the SunÞre Corpo-
ration user’s manual.
NOTE: Before sending in your unit for
repair, you must call SunÞre for return
authorization.
c) Units where the serial number
has been defaced, modiÞed or
removed.
Include a complete description of the
problem, indicating how you have it
connected, the associated equipment
in your system and a copy of your
purchase receipt. Initial shipping costs
are not paid by SunÞre Corporation;
return ground shipping costs will be
prepaid if repairs were covered by the
scope of this Warranty.
d) Damage resulting from modi-
Þcation or attempted repair by
any person not authorized in
writing by SunÞre Corporation.
e) Units purchased from unau-
thorized dealers.
The SunÞre Corporation War-
ranty extends to the original owner
or subsequent owner(s) during the
Þve year warranty period, so long as
the original dated purchase receipt is
presented whenever warranty service
is required.
All implied warranties, including
warranties or merchantability and
Þtness for particular purposes, are lim-
ited in duration to the two year length
of this Warranty, unless otherwise
provided by state law.
15
User's Manual
Symphonic Reference
Load Invariant High Fidelity
Stereo Power Amplifier
Manual part number : 913-047-00 Rev A
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