Samson Expedition EX10 Manuel utilisateur

EX10 • EX20 • EX30

OWNERS MANUAL

Produced by On The Right Wavelength for Samson Technologies Corp.

Printed March 2000

Samson Technologies Corp.

575 Underhill Blvd.

P.O. Box 9031

Syosset, NY 11791-9031

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

Fax: 516-364-3888

Table of Contents

Introduction 3

System Features 4

EX10 6

EX20 8

EX30 10

Positioning and Mounting Instructions 14

Expedition Accessories 16

Specifications 17

Introduction

Welcome to Samson Expedition—the portable audio system for the new millenium! This

exceptionally versatile system offers the perfect solution wherever you need portable,

high-quality audio: as a main PA system or as onstage monitors in clubs and

performance halls; in houses of worship; as a sound system for business presentations,

mobile DJs at parties, or aerobics instruction; and for use in outdoor environments such

as parks, beaches and flea markets. What’s more, every Expedition system comes with

a built-in telescoping handle and locking wheels, making it easy to take professional

audio with you wherever you go!

There are three different Samson Expedition systems detailed in this manual. All utilize

the same lightweight yet rugged two-way speaker enclosure that pairs a custom

designed 12" woofer with a matched 1" compression driver. The Expedition EX10 is a

passive 8-ohm enclosure that can be used with any external power amplifier rated at up

to 250 watts. The Expedition EX20 is a powered version that includes a bi-amped power

cell along with an active crossover, speaker protection circuitry and built-in limiting. And

the Expedition EX30 is designed as a total all-in-one portable PA system, adding a four-

channel stereo mixer—complete with digital effects—to the equation. In addition, a

number of expansion options are available, including a 500-watt active subwoofer (our

EX500); a rechargable Lead-Acid GelCel battery pack; and a rear-panel mountable

cassette recorder with pitch control. There's even a prewired custom compartment that

accommodates any of three different Samson wireless receivers!

In this manual, you’ll find a more detailed description of the features of all three

Expedition systems, as well as a guided tour through all components, step-by-step

instructions for setting up your system and full specifications. If your Expedition was

purchased in the United States, you’ll also find a warranty card enclosed—don’t forget

to fill it out and mail it! This will enable you to receive online technical support and will

allow us to send you updated information about this and other Samson products in the

future. If your Expedition system was purchased outside of the U. S., contact your

local distributor for warranty details. Also, be sure to check out our website

(http://www.samsontech.com) for complete information about our full product line.

SPECIAL NOTE for U.S. purchasers: Should your Expedition system ever require

servicing, a Return Authorization number (RA) is necessary. Without this number, the

unit will not be accepted. If your Expedition system was purchased in the United States,

please call Samson at 1-800-372-6766 for a Return Authorization number prior to

shipping your system. If possible, return the unit in its original carton and packing

materials. If your Expedition system was purchased outside of the U. S., contact your

local distributor for information.

System Features

The Samson Expedition system uses state-of-the art

technology to bring a revolutionary new degree of

flexibility and portability to professional audio. Its

main features include:

•A built-in telescoping handle and locking wheels

that make it easier than ever before to transport

your audio system.

•All Expedition enclosures are lightweight and

compact yet exceptionally durable and

roadworthy. Injection-molded with Polypropylene,

they feature substantial internal bracing to support

a nearly 1/2" thick side wall construction, making

them strong and rigid enough to allow maximum

energy to be delivered to the sound output.

In addition, a steel grill and scuff-resistant

textured finish makes for a rugged speaker

enclosure that will deliver dependable

performance in even the most demanding

environments.

•The low frequency section includes a custom

designed Kevlar-impregnated 12" low frequency

driver with a 2.5" Kapton Former voice coil and

50 ounce barium ferrite magnet for accurate and

super-tight bass response.

•A high frequency section that delivers clear,

sweet top end thanks to its 1" compression driver

with a specially designed phenolic diaphragm,

along with a phasing plug for linear response and

an elliptical wave guide horn design that reduces

nearly all sonic diffraction.

•A tilt position that allows the Expedition to be used

as an onstage wedge monitor.

•Integral 1 3/8" pole-mount receptacle and convenient fly points allow the

Expedition to be pole-mounted or “flown”using standard PA hardware.

•The EX10 is a passive cabinet that can be used with any power amplifier

rated at up to 250 watts into 8 ohms. It requires no power and provides

dual Speakon™and 1/4" connectors that allow multiple EX10s to be

daisy-chained where extended coverage is required.

•The EX20 contains dual power amplifiers and an active crossover.

Operating in a biamped configuration, one power amp drives the low

frequency section with 150 watts of power and the other drives the high

frequency section with 50 watts of power. The active crossover uses an

advanced Linkwist-Riley constant phase filter that provides a steep rolloff of

24 dB per octave to reduce sonic distortion at the crossover frequencies.

Dual balanced XLR connectors allow daisy-chaining of multiple Expedition

enclosures, and a switchable limiter circuit assures a clean output even

when you’re pushing the EX20 to maximum levels. In addition, there are

three stages of speaker protection, including relay switching for power on

and off.

SAMSON

System Features

•The EX30 includes all the features of the

EX20, and adds a flexible four-channel

stereo mixer that provides two

monophonic and one stereo mic/line

channels with dual XLR and 1/4"

connectors. In addition, separate dual

phono connectors allow you to hook up

an external cassette or CD player.

Each mixer channel includes two-band

equalization and independent volume

control, and there’s even built-in digital

effects for the addition of six different

reverb presets. Balanced left and right

XLR outputs allow daisy-chaining of

multiple Expedition speakers (with a

mono/stereo switch that allows operation

in either mode), and a VU meter enables

you to continuously monitor output levels.

The EX20 and EX30 also include a meter

that shows battery level when used with

the optional RB 2030 rechargable battery

cartridge (see below).

•The top panel of both the EX20 and

EX30 provides a prewired compartment

that accommodates a variety of Samson

wireless systems that offer superior RF

and audio performance already proven

on stages around the world. Receivers

supported include the UM1 or M32 UHF

models or the VM1 VHF model.

•A wide range of optional accessories,

including: the MP 1030 mounting bracket,

which allows any Expedition enclosure to

be “flown”from the ceiling; the RB 2030

rechargable battery cartridge, which

provides up to two hours of power to

either the EX20 or EX30 from its dual

Lead-Acid GelCel batteries; and the TD30 cassette recorder, which fits neatly into a

special compartment above the EX30’s mixer to provide background music and/or

to record meetings or performances. The TD30 even includes a pitch control so you

can alter the tempo of the music for applications like aerobic instruction.

•The EX500 is an active subwoofer that pairs a massive 500-watt amplifier with a

heavy-duty 15" low frequency driver. It is an ideal complement to any Expedition

enclosure or any loudspeaker system, when the application requires deep, powerful

low end response. Its built-in stereo electronic crossover allows the EX500 to

operate either in mono or as a common subwoofer in a stereo system. It features

an all-steel grill and rigid corners, as well as an integral pole mount.

Expedition EX10 Guided Tour

1: 1/4" input - Use this standard 1/4" connector to connect signal from a power

amplifier (rated at up to 250 watts into 8 ohms) to the EX10.

2: Speakon™ input - Alternatively, you can use this Speakon™connector to

connect signal from a power amplifier (rated at up to 250 watts into 8 ohms) to

the EX10.

3: 1/4" extension - Use this standard 1/4" connector to daisy-chain one EX10

to another. See below for interconnection diagrams.

4: Speakon™extension - Alternatively, you can use this Speakon™connector

to daisy-chain one EX10 to another. See below for interconnection diagrams.

Speakon™ Wiring

Interconnecting the EX10

SPEAKON™

-1- 1+

2+ 2-

NOT CONNECTED

SAMSON

MPL2242

MMPL2242

MPL2242

SERVO-240

SAMSON

Using one EX10: A single mono signal (bus or aux

send) is routed from a mixer to a power amplifier.

One speaker output of the power amplifier is connected

to either the EX10 1/4" input connector (solid line) or

Speakon™input connector (dotted line).

Expedition EX10

SAMSON

MPL2242

MMPL2242

MPL2242

SERVO-240

SAMSON

MPL2242

MMPL2242

MPL2242

SERVO-240

SAMSON

Using two EX10s in mono: A single mono signal (bus or aux send) is routed from a mixer to a power amplifier. One

speaker output of the power amplifier is connected to either the EX10 1/4" input (solid line) or Speakon™input (dotted

line), and a connection is made between either the 1/4" extension to a second EX10’s input (solid line) or between the

Speakon™extension to a second EX10’s Speakon™input (dotted line).

Using two EX10s in stereo: A stereo signal (bus or aux send) is routed from a mixer to a power amplifier. The left

speaker output of the power amplifier is connected to one EX10 (using either the 1/4" input [solid line] or Speakon™input

[dotted line]), and the right speaker output of the power amplifier is connected to the other EX10 (again using either the

1/4" input [solid line] or Speakon™input [dotted line]).

Expedition EX20 Guided Tour

1: Input connector - Use this balanced female XLR connector to route

line-level signal into the EX20.

2: Output VU meter - This three-segment bar meter shows the EX20

output level. For optimum signal-to-noise ratio, set the Volume control

(see #6 below) so that program material is usually at or around 0 VU, with

occasional but not steady excursions to the red “+3 dB”segment.

3: Power switch - Use this to turn power to the EX20 on or off.

4: Voltage selector - Make sure this is set correctly for the country you are

in before turning on the power to the EX20.

5: Battery VU meter - If an optional RB 2030 rechargable battery pack is

installed, this meter shows how much battery power remains as it is being

charged (Power switch off) or depleted (Power switch on).

6: Volume control - This knob sets the level of the EX20’s built-in power

amplifiers.

7: Output connector- This balanced male XLR connector carries line-level

output signal from the EX20. It is used to send signal to a second EX20

being daisy-chained (see interconnection diagram on the following page)

or to an optional EX500 subwoofer.

8: Limiter switch - Use this switch to turn the built-in limiter circuitry on or

off. In order to maximize speaker protection, we recommend that this

switch be left in the “on”position during normal operation.

9: AC output - A standard AC power outlet.

10: AC input - Connect the supplied heavy-gauge 3-pin “IEC”power cable

here.

Interconnecting the EX20

010

SAMSON

MPL2242

MMPL2242

MPL2242

Using one EX20: A single mono signal (bus or aux send)

is routed from a mixer to the EX20 XLR input.

Expedition EX20

010

SAMSON

MPL2242

MMPL2242

MPL2242

010

SAMSON

MPL2242

MMPL2242

MPL2242

Using two EX20s in mono: A single mono signal (bus or aux send) is routed from a mixer to one EX20’s XLR input, and

a connection is made between that EX20’s XLR output to a second EX10’s XLR input.

Using two EX20s in stereo: A stereo signal (bus or aux send) is routed from a mixer, with the left side connected to one

EX20’s XLR input, and the right side connected to the other EX20’s XLR input.

Expedition EX30 Guided Tour

1: Equalizer - These controls allow you to shape your sound by boosting or

cutting the amount of bass (at 100 Hz) or treble (at 10 kHz) by up to 15 dB.

A center detent in each knob indicates no boost or cut (that is, flat response).

As each knob is turned clockwise from the 12 o’clock position, the bass or treble

is boosted; as it is turned counterclockwise from the 12 o’clock position, the bass

or treble is reduced.

2: Reverb send - These knobs determine how much signal is being sent from

the channel to the onboard DSP effects processor. As you move the knob clock-

wise from 0 to 10, more signal is sent. To hear the effect, one of the six presets

must be selected using the DSP Effects control (see #10 on the next page). Be

careful not to send too much signal to the DSP, or a distorted sound will result.

3: Pan/Balance control - In channels 1 and 2, this knob acts as a Pan control,

allowing you to place the signal anywhere in the left-right stereo spectrum, while

keeping the overall signal level constant. When the knob is placed at its center

(detented) position, the signal is sent equally to both the left and right outputs.

To route a signal hard left or right, place the pan knob either fully counterclock-

wise or fully clockwise.

In channel 3/4 (the stereo channel), this knob acts as a Balance control, allowing

you to alter the relative levels of the two input signals. When the knob is placed

at its center detented position, both signals are at equal strength. When moved

left of center, you’ll hear more of the left input signal; when moved right of center,

you’ll hear more right input signal.

4: Channel volume control - This knob determines the level of the channel

In stereo channel 3/4, this knob simultaneously controls the level of both inputs

(the relative levels of the two can be adjusted with the Balance knob, as

described in #3 above). In practice, you’ll use the channel volume controls to

continuously adjust the levels of the various signals being blended together by

the EX30 mixer.

REVERBREVERB

REVERB

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