Samson Auro D15 Manuel utilisateur

OWNERS MANUAL

Samson Technologies Corp.

45 Gilpin Avenue

Hauppauge, New York 11788-8816

Phone: 1-800-3-SAMSON (1-800-372-6766)

Fax: 631-784-2201

www.samsontech.com

V1.1

Important Safety Information

WARNING: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT

REMOVE COVER (OR BACK) AS THERE ARE NO USER-SERVICE-

ABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE

PERSONNEL.

ATTENTION: AFFIN DE PRÉVENIR LE RIQUE DE CHOCS ÉLEC-

TRIQUES NE PAS RETIRER LES VIS. TOUTE RÉPARATION DEVRAIT

ÊTRE CONFIÉE À UN PERSONNEL QUALIFIÉ.

AVIS

RISQUE DE CHOC ÉLECTRONIQUE -

NE PAS OUVRIR

This lightning ash with arrowhead symbol within an equilateral triangle is

intended to alert the user to the presence of non-insulated “dangerous volt-

age” within the product’s enclosure that may be of sucient magnitude to

constitute a risk of electric shock.

Le symbole de l'éclair prévient l'utilisateur de la présence de tensions “dan-

gereuses” et non isolées dans l'appareil, d'une amplitude susante pour

présenter un risque d'électrocution.

The exclamation point within an equilateral triangle is intended to alert the

user to the presence of important operating and maintenance instructions

in the literature accompanying the appliance.

Le symbole du point d'exclamation prévient l'utilisateur de la présence

d'instructions importantes sur le fonctionnement et la maintenance de ce

produit dans le mode d'emploi fourni.

Consignes de sécurité importantes

If you want to dispose this product, do not mix it with general household waste. There is a

separate collection system for used electronic products in accordance with legislation that

requires proper treatment, recovery and recycling.

Private household in the 25 member states of the EU, in Switzerland and Norway may return their used

electronic products free of charge to designated collection facilities or to a retailer (if you purchase a similar

new one).

For Countries not mentioned above, please contact your local authorities for a correct method of disposal.

By doing so you will ensure that your disposed product undergoes the necessary treatment, recovery and

recycling and thus prevent potential negative effects on the environment and human health.

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 dry cloth.

7. Do not block any ventilation open-

ings. Install in accordance with the

manufacture’s instructions.

8. Do not install near any heat sources

such as radiators, heat registers,

stoves, or other apparatus (including

ampliers) 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 plug has two

blades and a third grounding prong.

The wide blade or the third prong

is provided for your safety. When

the provided plug does not t 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

the plugs, convenience receptacles,

and at the point where they exit

from the apparatus.

11. Only use attachments/accessories

specied by the manufacturer.

12. Use only with the

cart, stand, tri-

pod, bracket, or

table specied by the

manufacturer, or sold

with the apparatus.

When a cart or rack is used, use

caution when moving the cart/ap-

paratus 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 qualied ser-

vice 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 apparatus, the ap-

paratus has been exposed to rain or

moisture, does not operate normally,

or has been dropped.

15. Warning: To reduce the risk of re or

electric shock, this apparatus should

not be exposed to rain or moisture

and objects lled with liquids, such

as vases should not be placed on

this apparatus.

16. WARNING: The Class I apparatus

shall be connected to a mains socket

outlet with a protective earthing

connection.

17. The mains plug or an appliance cou-

pler is used as the disconnect device,

the disconnect device shall remain

readily operable.

Important Safety Information

Auro D12/D15Owner's Manual 1

Table of Contents

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Auro Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Choosing the Correct Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Connecting Two Auro Cabinets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Power the Auro D12/D15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Microphone Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Setting Up Your Auro System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Positioning the Auro D12/D15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Wiring Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

ENGLISH

Auro D12/D152

Introduction

Thank you for purchasing the Samson Auro professional, passive loudspeaker. Combin-

ing 400 watts of power handling, advanced crossover design, and the highest quality

speaker and cabinet components, the Auro provides studio-quality sound for any live

application. The Auro D12 and D15, respectively, feature 12” and 15” heavy-duty, long-

excursion woofers, as well as 1.34” compression drivers on 1” throat wide dispersion

horns. The speaker cabinets parallel Speakon® and ¼” phone jacks which that can be

used as extension outputs to allows you to “daisy-chain” multiple Auro cabinets to cre-

ate larger sound reinforcement systems.

Each cabinet’s trapezoidal shape allows it to be congured for either front-of-house

use, or for operation as a wedge-style monitor. In addition, the compact cabinets can

easily be stacked using the built-in bumpers, or can be stand-mounted using the inte-

gral 1 3/8” pole-mount receptacles.

Each Auro PA system’s durable enclosure is made of high-impact polypropylene with a

scu-resistant textured nish, and includes a heavy-grade steel grill, oering excellent

protection against wear and tear for truly portable audio. The Auro passive monitors

are ideal for live music, DJ, lecture, and installed sound applications, or anywhere seri-

ous power and superior sound quality are desired.

In these pages, you’ll nd a detailed itemization of the features of the Auro PA system,

as well as a description of its front and rear panels, step-by-step instructions for its

setup and use, and full specications. You’ll also nd a warranty card enclosed—please

don’t forget to ll it out and mail it in so that you can receive online technical sup-

port, and so that we can send you updated information about this and other Samson

products in the future. Also, be sure to check out our website (www.samsontech.com)

for complete information about our full product line.

With proper care and adequate air circulation, your Auro cabinet will operate trouble-

free for many years. We recommend you record your serial number in the space

provided below for future reference.

Serial number: _______________________________

Date of purchase: _______________________________

Should your unit ever require servicing, you must obtain a Return Authorization (RA)

number before shipping your unit to Samson. Without this number, the unit will not be

accepted. Please call Samson at 1-800-3SAMSON (1-800-372-6766) for an RA number

prior to shipping your unit. Please retain the original packing materials and, if possible,

return the unit in the original carton and packing materials. If you purchased your

Samson product outside the United States, please contact your local distributor for

warranty and service information.

Auro D12/D15Owner's Manual 3

ENGLISH

Features

Here is a look at some the features of the Auro passive loudspeakers:

• Two-way passive loudspeakers for live sound applications

• 400 watt power handling; 8-ohm load impedance

• Ultra-wide, at frequency response

• Custom-designed, heavy-duty, 12”/15” long throw low frequency drivers provide

enhanced bass response

• 1.34” compression driver with 1” throat for smooth high-end reproduction

• Speakon® plus ¼” parallel input connectors that can also be used as extension

outputs

• Internal 12 dB/octave crossover

• 30- and 45-degree monitor angles for near and far eld coverage

• Standard 1 3/8-inch (35 mm) speaker stand receptacle

• Versatile, portable design with integrated side handles

• Tuned, ported bass reex design for extended low end

• Rugged, lightweight polypropylene cabinet construction

Auro D12/D154

Auro Components

Auro Front Panel

1. Woofer – Custom designed , heavy-

duty, 12”/15” low frequency driver

provides deep bass.

2. Wide Dispersion Horn – 1” throat,

60 x 90 degree wide dispersion

horn provides extensive coverage

and linear off-axis response.

3. Compression Driver – 1.34” (34

mm), diaphragm with 1” opening.

4. Stacking Bumper – Gender mating

bumpers for stacking Auro cabinet.

5. Bass Port – Precision tuned, low

frequency port tubes extend the

bass response.

6. Handle – One of two ultra over sized rubber grip carry handles.

7. Steel Grill – Durable steel grill provides protection for, and easy access to the LF

driver.

8. Enclosure – Thick-wall, high-impact polypropylene enclosure.

Auro Rear Panel

9. Speakon® Jack – Speakon® jack

for connecting a power amplifier

output, or as an extension out-

put to “daisy-chain” another Auro

passive loudspeaker.

10. ¼” Input – ¼” connector for

connecting a power amplifier

output, or as an extension out-

put to “daisy-chain” another Auro

passive loudspeaker.

Auro D12/D15Owner's Manual 5

ENGLISH

Choosing the Correct Cables

Impedance

Auro series speaker connections are made via the rear panel ¼” and/or Speakon®

connectors. It is recommeneded that you use standard unshielded speaker wires

(12-14 gauge), available at your local pro audio or music store, with either ¼” phone or

Speakon connectors.

If your amplier uses binding posts, you can use speaker cables with banana plugs, but

be sure to pay attention to the plus and minus polarity when making the connections.

Make sure that the “+” terminal of the speaker, or banana connector, is connected to

the “+” terminal of the power amplier, and that the “-” terminal of the speaker, or ba-

nana connector, is connected to the “-” terminal of the power amplier. For a detailed

wiring diagram, please see page 9 of this manual.

Here’s a tip: It’s fairly easy to identify a monitor that is out of phase just by listening,

especially on a pop record. Listen for the parts of the music that you would expect to

be in the center of the mix, like kick drum and vocals. If you do not hear them directly

in the center (for instance they sound like they are two signals panned hard right and

left) then you are more than likely listening to an out-of-phase monitor system. It is

important that your PA system is connected in phase, otherwise you will not have the

proper low-end response and stereo image.

Before you hook up your speaker cabinet, it is useful to learn a little about impedance.

Impedance is the electronic load that the speaker puts on the power amplier, and is

measured in Ohms.

Here is the tricky, yet simple rule of impedance: When two speakers, of equal imped-

ance, are wired in “Parallel”, the total impedance is cut in half. When two speakers are

wired in “Series,” the total impedance is the sum of the speakers’ individual impedance.

The Auro D12 and D15 are each 8 Ohms. So, when two Auro cabinets are connected

in parallel, the total impedance is 4 Ohms. The impedance of your speaker also has

an eect on the amplier. In general, the lower the impedance, the more power your

amplier will deliver.

IMPORTANT NOTE: There is minimum safe impedance for running power ampliers. Be

sure to check the manufacturer’s recommended impedance for your amplier to avoid

any damage, which may void your warranty.

Auro D12/D156

Connecting Two Auro Cabinets

Power the Auro D12/D15

Microphone Positioning

The Auro loudspeakers provide parallel jacks that can be used as extension outputs for

connecting additional speaker cabinets. Be sure to read the earlier section on imped-

ance to insure a proper connection with your amplier. To link two Auros, connect your

amplier output to one of the Input jacks of the rst Auro. Then connect a cable from

the second connector to an Input of the second Auro.

When selecting a power amplier for your Auro cabinet, it is important to understand

the type of program material that the speaker will be handling. If the material has

frequent transient peaks, choose an amplier that has a power rating not more than

twice the RMS rating of othe Auro cabinet. This will oer extra headroom and deliver a

clear signal to your speaker cabinet. Using a power amplier with a low power rating

will cause a clipped output signal, which may damage the speaker. Be sure to consult

the users manual of the amplier to ensure it has the correct power output for your

speakers.

Reducing Feedback

Feedback is the annoying howling and squealing that is heard when a microphone

gets too close to a speaker, and the volume is high. Feedback results when the micro-

phone picks up the amplied signal from the speaker, amplies it through the speaker

again, and then picks it up again, and so on. In general, it is recommended that any live

mic (a mic that’s on) be positioned behind the speaker enclosures. This will give you

the best level from your system before feedback.

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