A120
90
Beale Street Audio
A120
Class D 120W Subwoofer Amplifier
User Guide
2
• Explanation of Graphical Symbols
The lightning flash with arrowhead symbol, within an equilateral triangle, is
intended to alert you to the presence of uninsulated “dangerous voltage” within
the product’s enclosure that may be of sufficient magnitude to constitute a risk of
electric shock to persons.
The exclamation point within an equilateral triangle is intended to alert you to the
presence of important operating and maintenance (servicing) instructions in the
literature accompanying the product.
APPLICABLE FOR USA, CANADA OR WHERE
APPROVED FOR USAGE
CAUTION: TO PREVENT ELECTRIC SHOCK,
MATCH WIDE BLADE PLUG TO WIDE SLOT,
INSERT FULLY.
ATTENTION: POUR EVITER LES CHOCS
ELECTRIQUES, INTRODUIRE LA LAME
LA PLUS LARGE DE LA FICHE DANS LA
BORNE CORRESPONDANTE DE LA PRISE ET
POUSSER JUSQU AU FOND.
RISK OF ELECTRIC SHOCK
DO NOT OPEN
RISQUE DE CHOQUE ÉLECTRIQUE
N'OUVREZ PAS
CAUTION: To reduce the risk of electric shock, do not remove cover (or back).
No user-serviceable parts inside. Refer servicing to qualified service personnel.
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with a dry cloth.
7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding-type plug has
two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an
electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they 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 is used, use caution when moving the
cart/apparatus combination to avoid injury from tip-over.
13. Unplug this apparatus during lightning storms or when unused for long periods of time.
14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is
damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been
dropped.
15. The apparatus shall not be exposed to dripping or splashing and that no objects filled with liquids, such as vases, shall be placed on the apparatus.
16. CAUTION: Servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock, do not perform any servicing other than that
contained in the operating instructions unless you are qualified to do so.
17. WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.
18. Where an appliance coupler is used as the disconnect device, the disconnect device shall remain readily operable.
19. CAUTION: Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type.
PORTABLE CART WARNING
Important Safety Instructions
3
Table of Contents
Important Safety Instructions ....................................................... 2
Table of Contents ............................................................................ 3
Introduction ..................................................................................... 4
Features ........................................................................................... 5
What’s Included .............................................................................. 5
Front Panel Features ...................................................................... 6
Rear Panel Features ........................................................................ 7
Installation ...................................................................................... 8
Connections ..................................................................................... 9
Operation .......................................................................................13
Specifications ................................................................................ 14
Limited Warranty .......................................................................... 15
4
Introduction
Congratulations and thank you for purchasing the Vanco Beale Street Audio A120 Subwoofer
Amplifier!
The A120 may be small in physical appearance but its got all the muscle you need to drive
even the most demanding subwoofers to house thumping levels.
The A120 is a Class D 120 Watts amplifier that when properly installed, runs cool under
almost any load.
The A120 features a stereo/mono line level audio input that can receive full band audio from
any audio amplifier, receiver or preamp or an LFE input from an appropriately featured device.
The A120 also features a stereo speaker level input. Amplified stereo audio will pass through
the A120 full-band and unprocessed to a pair of connected stereo speakers. The speaker level
input will also be processed by the A120 crossover, phase and volume controls to enhance
and optimize low frequency content. This feature is an easy way to add amplified in-wall or
in-ceiling subwoofers to multi-room audio amplifiers that do not have zone-specific line level
outputs.
The adjustable crossover allows fine-tuning the A120 Sub OUT setting to properly
complement any full-range speakers or room conditions.
In addition the A120 features a phase adjustment that provides sub performance
optimization given the sub’s placement relative to the main speakers.
The A120 is audio-sensing so anytime an audio signal hits the A120 line or speaker level
inputs, the amp will instantly turn ON. The amp will also turn itself OFF after 15 minutes if
no audio signal has been detected. There is also a 12VDC Trigger that will turn the A120 ON
when 12-24VDC is applied and turn the amp OFF when the voltage is removed.
The A120 is the perfect match for many applications but makes a particularly great running
mate with the Vanco Beale Street Audio D2.1 Stereo amp with subwoofer out, (see the
system illustrations in the Connections section).
Please read and follow the instructions in this User Guide to assure you are getting the most
from your new Beale Street Audio D2.1 A120 Subwoofer Amplifier.
5
Features
• Compact Size...Fits Almost Anywhere
• Cool, Efficient Digital Design
• Stereo Or Mono Audio Line Level Input (RCA)
• Stereo Speaker Level Input and Passthrough
• Adjustable Subwoofer Crossover Frequency
• Adjustable Phase Settings
• Audio Sensing
• 12/24VDC On/Off Trigger Input
• 110/220V
What’s Included
1 - A120 Amplifier
1 - AC Power Cord
1 - User Guide
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