Phonic ACUMEN 6A, ACUMEN 8A User’s Manual
ACUMEN 6A ACUMEN 8A
User's Manual
Manual del Usuario
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ACUMEN 6A
ACUMEN 8A
STUDIO MONITOR
MONITOR DE ESTUDIO
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ENGLISH |
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ESPAÑOL ..................................... |
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V1.1 07/02/2015
USER'S MANUAL
CONTENTS |
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INTRODUCTION.............................................................................. |
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FEATURES..................................................................................... |
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CROSSOVER........................................................................... |
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AMPLIFIERS................................................................................... |
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MOUNTING THE MONITOR....................................................... |
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VERTICAL / HORIZONTAL MONITOR........................................... |
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CONSOLE TOP MOUNTING....................................................... |
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INSTALLATION........................................................................... |
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SETTING THE VOLUME............................................................. |
2 |
SETTING THE HF CONTROL..................................................... |
2 |
OVERVIEW.............................................................................. |
2 |
SPECIFICATIONS........................................................................ |
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Phonic preserves the right to improve or alter any information within this document without prior notice
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IMPORTANT SAFETY INSTRUCTIONS
The apparatus shall not be exposed to dripping or splashing and that no objects |
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with liquids, such as vases, |
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shall be placed on the apparatus. The MAINS plug is used as the disconnect device, the disconnect device shall remain readily operable.
Warning: the user shall not place this apparatus in the 
area during the operation so that the mains switch can be easily accessible.
1.Read these instructions before operating this apparatus.
2.Keep these instructions for future reference.
3.Heed all warnings to ensure safe operation.
4.Follow all instructions provided in this document.
5.Do not use this apparatus near water or in locations where condensation may occur.
6.Clean only with dry cloth. Do not use aerosol or liquid cleaners. Unplug this apparatus before cleaning.
7.Do not block any of the 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 
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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 is provided for your safety. If the provided plug does not 
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 plug, convenience receptacles, and the point where they exit from the apparatus.
11.Only use attachments/accessories 
by the manufacturer.
12.Use only with a cart, stand, tripod, bracket, or
table 
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 tipover.
13.Unplug this apparatus during lighting storms or when unused for long periods of time.
14.Refer all servicing to 
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.
CAUTION |
RISK OF ELECTRIC SHOCK |
DO NOT OPEN |
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, |
DO NOT REMOVE COVER (OR BACK) |
NO USER SERVICEABLE PARTS INSIDE |
REFER SERVICING TO QUALIFIED PERSONNEL |
The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’
magnitude to constitute a risk of electric shock to persons.
The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.
WARNING: To reduce the risk of 
or electric shock, do not expose this apparatus to rain or moisture.
CAUTION: Use of controls or adjustments or performance of procedures other than those 
may result in hazardous radiation exposure.
INTRODUCTION
Congratulations on your purchase of another great product from Phonic.The bi-amplifiedAcumen 6Aand
Acumen 8A are two-way active monitors designed for high output and unsurpassed clarity.
The Acumen 6A offers a 6” woofer and 82 Watts of power while the Acumen 8A is an 8” model with
98 Watts of power. The paper cone woofers offer extended low frequency response and higher output level.
The Acumen’s compact size, excellent dispersion and precise stereo imaging make it ideal for near field monitoring, mobile vans, broadcast, TV control rooms and home studios.
Designed as an active speaker, this unit contains drivers, power amplifiers, active crossover filtering and protection circuitry. The directivity control system used provides excellent frequency balance even in difficult acoustic environments.
FEATURES
Acumen 6A – 6” Active Studio Monitor
Acumen 8A – 8” Active Studio Monitor
4Long-throw custom-engineered woofer generates stunningly deep bass response
41” silk dome tweeter with neodymium magnet provides highly transparent and airy highs
4Reliable and accurate sound signature; true to source material
4Adjustable HF onboard equalizers
4Exceptional HF dispersion provides excellent detail and sound stage
4Magnetic shielding allows placement near other electronic devices
4Balanced XLR input and 1/4” TRS phone jack inputs, unbalanced RCA inputs
44th Order active Linkwitz-Riley crossover design
4Electronic speaker protection works to prevent transducer damage
4Voltage switchable between 115V and 230V
4Available in Piano Black, Phonic Red or Crystal White
CROSSOVER
The active crossover network consists of two parallel band pass filters. Acoustically the filters are complementary and the slopes are 24dB / octave. The crossover frequency is set to 1.7kHz.
AMPLIFIERS
The amplifier unit is mounted to the rear panel of the speaker with damping material, to ensure rattle free operation and long term reliability. The unit incorporates special protection circuitry as well, for driver overload protection and amplifier thermal overload protection. Variable input sensitivity allows for accurate level matching to the mixing console.
MOUNTING THE MONITOR
Vertical / Horizontal Mounting
The speakers are normally delivered for vertical mounting. Designed for near field monitoring, this studio monitor requires shorter distance than traditional monitors from its location to your ears, which means the reverberation time and general acoustics of the listening room are less critical. Hard surfaces will, however, reflect the higher frequencies, therefore try to avoid putting this monitor close to side walls.
The control surface of your mixing console may also pose a problem. To minimize control surface reflections, position your monitor as shown in the figure below, using the meter bridge or rear panel to block sound from both drivers reaching the control surface. Make sure that there is nothing between your ears and the speakers.
If your console has no meter bridge, try positioning the monitor higher or further behind the desk. Active series is designed to be used in both the upright and horizontal position. If you want to place two Active series horizontally, it is recommended you put the HF drivers on the outer edge. The low frequencies of this unit will generally sound better if the cabinet is against a wall. If possible, provide a rigid surface (eg. shelf) that is separate from the mixing console and other equipment. The speakers should roughly form a 60 degree angle at the listening position, and should be angled towards the listener.
Console Top Mounting
If the active studio monitor series are used for console top mounting, it is recommended not to mount the speakers directly on the console; instead, position the speaker slightly behind the console by using floor stand or wall mount behind the console. This prevents the reflection from the console surface from coloring the sound.
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Acumen 6A / Acumen 8A |
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