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Woofer Output
The Virtuoso A800 amplifier features binding post speaker connectors that
can accept bare wire and wire terminated in pins or single banana connectors.
Note: If using single banana connectors, be sure the terminals are closed
(rotated fully clockwise) before inserting the connector.
If you use bare wire,make sure you strip only enough wire (½") to fit into the
slot in the terminal. Before inserting the wire, twist all strands tightly to
prevent strays that could cause a short circuit between the “+” and “–”
terminals.Insert wire in the direction of terminal rotation (clockwise) to force
the wire around the terminal post to make a secure connection.
Auto On Switch
When this switch is in the ON position the A800 will automatically turn on
when it senses a signal on either of its inputs. The amplifier will remain on for
approximately 5 minutes after the signal has ceased. If you want to manually
turn the amplifier on and off, set the Auto On switch to the OFFposition.This
allows the amplifier to be switched on and off by the front-panel Power switch.
Front-Panel Features
Power Switch
When the rear-panel Auto On switch is in the OFF position,the Power switch
turns the A800 on and off. If the Auto-On switch is in the ON position the
Power switch will have no effect.
Active LED
The Active LED illuminates whenever the A800 is operating.
Power LED
The Power LED indicates that the A800 is connected to an active power outlet.
Level Control
The Level Control adjusts the output level of the A800D woofer. To accurately
calibrate the level we recommend using your receiver or processor’s built-in
test tone generator and a sound pressure level meter. If your equipment does
not have a built-in test tone generator you can adjust the woofer’s level by ear.
Play music and films you are very familiar with and adjust the level so the
amount of deep bass sounds right on a wide variety of material.
Phase Control
The Phase Control can be adjusted from 0° to 180°.At the 0° setting, when an
electrically positive signal is sent to the A800D woofer the speaker driver will
move out (towards the room); at the 180° setting, when an electrically
positive signal is sent to the A800D woofer the speaker driver will move in
(away from the room). This allows you to better match the phase of the
woofer’s output with that of your left and right speakers so that their
signals all reach your ears properly aligned (in phase) with each other.
When the woofer is properly in phase with the left and right speakers the
sound will be clearer and have maximum impact in the midbass range. This
will make percussive sounds like drums, piano and plucked strings sound
more life-like.
The best way to adjust the Phase Control is to listen to music that you are
familiar with and adjust the control until so that drums and other percussive
sounds have maximum impact.
Frequency Control
The Frequency Control determines the highest frequency the A800D woofer
operates at. If you are using the A800 amplifier with a surround receiver or
processor that has a built-in subwoofer crossover, set the Frequency Control at
250Hz.
If your electronics do not have a built-in subwoofer crossover, the best way to
adjust the Frequency Control is to play music and films that you are familiar
with and adjust the control so that the bass sounds full without being boomy,
and so that male voices do not sound too thick or heavy.
SPECIFICATIONS
Woofer: 8" (203mm) Long throw carbon
fiber cone, with a rubber surround
Frequency Response: 35Hz – 250Hz
Amplifier Power: 150 watts
Controls: Variable crossover frequency
(80Hz ~ 250Hz) and output level,
phase control
Dimensions (W x H x D): 9
7
/8" x 15
15
/16" x 3
7
/8"
(251mm x 405mm x 99mm)
Cutout Dimensions (W x H): 8
7
/16" x 14½"
(214mm x 368mm)
Amplifier Dimensions (W x H x D): 16¾" x 4" x 13½"
(425mm x 102mm x 343mm)
Shipping Weight: 29 lbs (13 kg) system
TECHNICAL ASSISTANCE AND SERVICE
If you any have questions about the operation or installation of
this product, please call our Technical Assistance Department on any
business day at (800) 582-0772 or (949) 492-7777; from 7 a.m. to
5 p.m., PST.
If your speakers should need repair or service, contact your Sonance
Authorized Dealer for help, or use the following procedure:
1. Prior to calling note the product’s model number, serial number, pur-
chase date, and the name and address of the dealer where you
purchased the product.
2. Contact our Technical Assistance Department at the above number(s)
and describe the problem the unit is experiencing. If applicable, they
will issue a Return Authorization Number.
IMPORTANT: YOU MUST HAVE PRIOR AUTHORIZATION TO
RETURN YOUR SPEAKER OR AMPLIFIER TO SONANCE!
3. If you’re directed to return the unit to Sonance for repair, pack the unit
in its original shipping carton. If needed, you can obtain replacement
packaging from us for a small charge. Note: it is best if you place the
box into an additional outer “overcarton”before shipment to minimize
a chance of theft in shipment. Please include a copy of the original bill
of sale inside the package.
4. Contact a package delivery service such as United Parcel Service or
Federal Express to arrange prepaid (not collect) shipping. Do not use
the U.S. Postal Service.
IMPORTANT: Freight collect shipments will be refused.
5.Write the Return Authorization Number on the outside of the
shipping carton.
6. Ship the packaged unit to:
Quality Assurance Department
Sonance
212 Avenida Fabricante
San Clemente, CA 92672-7531
INSTRUCTION MANUAL
SONANCE VIRTUOSO
®
D-SERIES
A800D 8” IN-WALL WOOFER