Electro-Voice SX Series SX600 Manual de usuario

Sx600 User Manual

Table of Contents

Product Description .................................................................................................... 1

Important Features....................................................................................................... 1

Product Feature Identiﬁcation................................................................................... 2

System Acoustic Design Considerations............................................................... 3

Installation Precautions............................................................................................... 4

Installation Notes.......................................................................................................... 4

Pole Mounting............................................................................................... 5

Block Wall Mounting ................................................................................... 5

Stud Wall Mounting..................................................................................... 6

I-Beam Mounting.......................................................................................... 6

Mounting Surface Reinforcement............................................................. 6

Installation Procedure ................................................................................................. 7

Step 1: Selection and Preparation of the Mounting Surface............. 7

Step 2: Mounting the SuperSAMTM Bracket.......................................... 7

Step 3: Mounting the Speaker and Aligning ......................................... 7

Step 4: Completing the Electrical Connections................................... 8

Step 5: System Adjustment and Acoustic Tuning.............................. 10

Appendix A: Troubleshooting .................................................................................. 10

Appendix B: Warranty Statement ..........................................................................12

Appendix C: Technical Speciﬁations.....................................................................13

TOC Electro-Voice Sx600 User Manual

Product Description

The Sx600 Series is a remarkably ﬂexible indoor/outdoor speaker system

designed to produce high-ﬁdelity high-level audio in distributed applications

such as stadiums, racetracks, amusement parks, fairgrounds, etc. Utilizing

a 65° x 65° high frequency horn and a unique 2-element vertical midbass

array, Sx600 gives you the clarity of a direct radiator with the high SPL and

directivity of a properly designed horn system, especially in the important

vertical plane. While intended primarily for vocal applications, the Sx600

accurately reproduces music if heavy bass is not required.

Important Features

The Sx600 is available as either a conventional 4 ohm low impedance

system, the Sx600PI, or as a “constant voltage” system, the Sx600PIX. The

PIX version features a 100% duty cycle rated 600 watt full isolation line

transformer for operation with 70volt, 100volt, 140volt, or 200volt distrib-

uted systems.

The Sx600 comes with an all-new Super Strong Arm Mount, called the

SuperSAMTM. This exclusive 2-part EV mounting system allows the installer

to pre-set the exact down angle on the ground, fasten the separate mount-

ing bracket by itself, and then mount the speaker to the bracket quickly and

easily with a single bolt, setting the pan angle anywhere within a 180° arc in

the process.

The three-layer stainless steel grill design is an acoustically transparent yet

effective barrier to both condensation and heavy rain. The light-weight poly-

propylene enclosure has strategically placed internal passages to conduct

moisture that may accumulate internally out to the side channels where it

drains away.

Electro-Voice User Manual 1

Product Feature Identiﬁcation

Figure 1: Sx600 Product Features

Enclosure

(Front View)

Enclosure

(Rear View)

65° x 65°

VaripathTM

Constant

DirectivityTM

HF Horn

with DH2T

Compression

Driver

Nd12A-8

Neodymium

Midbass Driver

DL12BFL

Midbass/LF

Driver

Weather-Resistant Lightweight

Polypropylene Enclosure

SJO Input

Cable

White

“+”

Black

“-”

All Aluminum

Rigging

All Aluminum

Rigging

• Full Face Stainless Steel Grille with

Hydrophobic Backing (Not Shown)

• All Stainless Steel Hardware (Not

Shown)

SuperSAMTM Down

Angle Adjustment

(0°- 60° in 5°

Increments)

Stainless Steel

SuperSAMTM

Mounting Bracket

2 Electro-Voice Sx600 User Manual

System Acoustic Design

Considerations

Direct radiator acoustic systems can offer great vocal band clarity but don’t

usually offer the efﬁciency and directivity of horn loaded systems. Horn

loaded systems, if the overall dimensions are large enough, can offer great

directivity control, but typical multi-way horn designs, particularly high Q co-

axial designs, are also naturally resonant. Resonant systems suffer from poor

time domain response and, as a consequence, can have poor intelligibility.

The EV solution is to combine a two element critically spaced midbass line

array with ultra-efﬁcient neodymium magnetics. This produces the high SPL

levels and vertical directivity of a properly horn loaded low/mid section while

maintaining the clear vocal reproduction of a well damped direct radiator

system. The Electro-Voice ND12A neodymium midbass driver developed

for X-Array has been optimized for ultra high level, high intelligibility 300Hz

to 2kHz response. The ND12A incorporates EV’s Ring Mode Decoupling

(RMD) technology to dampen mechanical domain resonances that “color”

vocal fundamentals in normal direct radiator systems. RMD, found in most

EV drivers, ensures level independent tonal response and produces a level

of intelligibility unique to EV systems. The second 12 inch driver, a specially

modiﬁed DL series, works with its own crossover section and critical spac-

ing to the ND12A to greatly improve midband vertical directivity and system

output below 300Hz. The result is clear, clean vocals, with the SPL capabili-

ties required for large spaces.

The SX600 also features EV’s DH2T medium format compression driver

coupled to our unique Varipath constant directivity high frequency horn. The

HF horn pattern is optimized to a 65° horizontal by 65° vertical included

angle to produce both long throw and wide front to back audience cover-

age. The high power handling and low distortion performance of the DH2T

assures excellent vocal articulation with extended high frequency coverage

to beyond 16kHz.

Electro-Voice User Manual 3

Installation Precautions

This document details general mounting practices appropriate to the en-

tertainment industry, as they would apply to the mounting of Electro-Voice

Sx600 loudspeaker systems. It is intended to familiarize the reader with

mounting hardware and techniques for suspending Sx600 loudspeaker

systems overhead. Only persons with the knowledge of proper hardware

and safe mounting techniques should attempt to suspend any sound sys-

tems overhead. Prior to suspending any Electro-Voice Sx600 loudspeaker

systems overhead, it is essential that the user be familiar with the strength

ratings, mounting techniques and special safety considerations outlined in

this manual. The mounting techniques and practices recommended in this

manual are, of necessity, in general terms to accommodate the many varia-

tions in mounting conﬁgurations. As such, the user is expressly responsible

for the safety of all speciﬁc Sx600 loudspeaker mounting conﬁgurations as

implemented in practice.

The Sx600 SuperSAMTM Mounting System is intented to support the Sx600

Speaker System only. Do not use it for any other purpose. Never set any-

thing on, or hang anything from, the Sx600 SuperSAMTM when using it for

the Sx600 Speaker System.

Installation Notes

The Sx600PI weighs in at 80 lb (36.3 kg.) and the Sx600PIX at 98 lb (44.5

kg).

It is the installer’s responsibility to insure that the mounting surface

is stable and sufﬁciently strong to support the weight of the unit(s)

being mounted.

The SuperSAMTM is made of tough 6061T6 aluminum, and the actual

mounting bracket is stainless steel. DO NOT WELD. Consult and follow

all applicable codes and procedures. Use only ½ inch diameter mount-

ing bolts, 4 per bracket minimum. (all 6 is recommended) When mounting

outdoors, remember to allow for wind, snow and ice load. Do not locate the

Sx600 where it may be subjected to water or snow run-off from roofs, gut-

ters, etc. NEVER MOUNT AN Sx600 ON ITS SIDE.

The Sx600 must always be mounted with the top of the enclosure elevated

with respect to the bottom or the internal drain system will not function and

the speaker may ﬁll up with water. NEVER MOUNT AN Sx600 UPSIDE-

DOWN.

4 Electro-Voice Sx600 User Manual

Pole Mounting

Follow the pole manufacturer’s recommendations when mounting to a

pole. On wooden poles, make sure there is no rot or other deterioration.

Through-bolts with backing plates are highly recommended. Lag bolts

should only be used in conjunction with straps.

Block Wall Mounting

Do not attempt to mount an Sx600 to a block or brick wall without through-

bolts and large, heavy steel backing plates on both sides of the wall. On

poured concrete walls use deep ½ inch diameter anchors that cannot be

pulled out once set. Use all 6 mounting holes.

Figure 2: Pole Mounting

Figure 3: Block Wall Mounting

Approved Straps

(4 Req’d)

1/2” Bolts

(6 Req’d)

SuperSAMTM

Bracket

SuperSAMTM

Bracket

1/2” Bolts

(6 Req’d)

Heavy Steel Backing Plates Block WallBlock Wall

Electro-Voice User Manual 5

Stud Wall Mounting

First determine whether the structural members in the wall can withstand

not only the weight of the Sx600, but also the side-to-side stresses of heavy

cross-winds. Reinforce both sides of the wall with heavy plates, ¾ inch

marine plywood minimum, and use through bolts. Never rely on lag bolts

alone. Additional side-to-side support may be had by attaching simple steel

outriggers (not included) from the SuperSAMTM pivot bolt to the next stud

on either side of the mounting bracket. Never mount to a wall containing

plaster or drywall without backing plates.

I-Beam Mounting

Because of the vast number of sizes and conditions of their use, consult a

licensed structural engineer for the approved method of attaching an Sx600

to any particular I-Beam or other structural component.

Mounting Surface Reinforcement

If in doubt: Make It Stronger. Strong side winds will exert tremendous side

leverage along the axis of the mounting bolts sufﬁcient to crush some sur-

faces. A large backing plate and/or steel outriggers attached from the pivot

bolt to the wall 16" to 24" either side of center makes a simple and effective

reinforcement in most situations.

Figure 4: Stud Mounting

SuperSAMTM Bracket

1/2” Bolts

(6 Req’d)

Steel Outriggers StudStud Large Backing Plates, 3/4”

Marine Plywood Min.

6 Electro-Voice Sx600 User Manual

Installation Procedure

Step 1: Selection and Preparation of the

Mounting Surface

Surface must be clean and smooth. It must also be a material that is not

easily crushed. While the SuperSAMTM distributes weight evenly over a rela-

tively large area, strong winds against the side of the Sx600 will exert signiﬁ-

cant crowbar-like leverage between the bolts and the side corner edges of

the bracket. For this reason, surfaces of plaster, drywall, soft wood, cinder

block, ceramic, glass or other brittle, crushable materials must have a large

heavy backing plate to prevent the Sx600 from loosening itself by crushing

its mounting surface.

Step 2: Mounting the SuperSAMTM Bracket

If bolts are to be used, determine the exact location desired for the holes on

the mounting surface. Use a center punch to mark the center of each hole

to be drilled and minimize hole drift. Drill holes and DE-BURR. The bracket

MUST sit perfectly ﬂat against the mounting surface. Mount the bracket us-

ing ½” bolts, washers, lock washers and nuts, and tighten securely. Stain-

less Steel hardware is recommended.

Step 3: Mounting the Speaker and Aligning

Pre-set the down angle of the speaker (as pre-determined by EASE) by

inserting the 5/16" Stainless Steel bolt through the appropriate holes (See

Figure 5). Tighten it and the ½” pivot bolt securely. (If aiming visually,

tighten bolts ﬁnger-tight only until aiming is ﬁnalized.) Place the long ½”

bolt and washer through the appropriate hole in the mounting bar. Use the

hole nearest the speaker for down-angles of less than 40 degrees and the

farthest hole for angles greater than 40 degrees. Set the speaker on the

already mounted bracket end bar, dropping the ½” pivot bolt through the

hole near the end of the bar. (The second hole is provided as a convenience

for certain “close in” situations.) Install the ﬂat washer, lock washer and nut

and tighten just enough to pull both bars together. Determine pan angle by

sighting along center groove of enclosure. (Either top or bottom) Securely

tighten pivot bolt to lock in place. Visually check down angle. Too high an

angle will result in poor intelligibility in the near-ﬁeld; a too-low angle will

cause poor intelligibility far-ﬁeld and a “hot spot” close in. If necessary, re-

set the down-angle as follows: Loosen the ½” bolt on the adjusting bracket

and remove the 5/16" bolt. Tilt the speaker to the desired angle and re-

insert the 5/16" bolt in the appropriate hole. Re-tighten all hardware.

Electro-Voice User Manual 7

Figure 5: Mounting the Speaker to the Wall Bracket

Step 4: Completing the Electrical Connections

Trim the SJO cord to a neat length while allowing enough slack for future

aiming adjustments or service. Make electrical connections per all ap-

plicable codes in a weather-tight box and secure the SJO cord through a

weather-tight gland nut. Observe color code for proper polarity: Black wire

from speaker is audio (-), white wire is audio (+).

Using the PIX (Constant Voltage Version)

Constant Voltage Design Considerations

One of the major expenses of any large sound system up-grade is the cost

of running new wiring. For this reason, the Sx600PIX transformer has taps

for use on lines as high as 200volts, which is easily delivered by an Electro-

Voice CPS-4 ampliﬁer in bridge mode. Keeping the current draw the same,

changing from 70volts to 200volts means you can now pull approximately

3 times the wattage from the same wiring! In new installations, the higher

voltages mean less line loss on long runs, less current and lighter gauge

wire. Always check and comply with all applicable codes.

Exploded View Fully Assembled View

8 Electro-Voice Sx600 User Manual

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