REVELL Performa C50 Manuale utente

Revel®Performa™C50a Loudspeaker

3 Oak Park, Bedford, MA, 01730-1413 USA | Telephone: 781-280-0300 | Fax: 781-280-0490 | www.revelspeakers.com

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Part No. 352991-001 | Rev A | 2/04

Revel Performa C50a Loudspeaker

Owner’s Manual

®™

“Revel,” “Performa,” and the Revel logo are registered trademarks of Harman International Industries. U.S. patent numbers and other

worldwide patents issued and pending.

This document should not be construed as a commitment on the part of Harman Specialty Group.The information it contains is subject

to change without notice. Harman Specialty Group assumes no responsibility for errors that may appear within this document.

TABLE OF CONTENTS

INTRODUCTION...............................................3

ABOUT THE MANUAL AND WARRANTY.................................3

PRODUCT REGISTRATION ...................................................4

DESCRIPTION .................................................4

WOOFERS ........................................................................4

MIDRANGE .......................................................................5

TWEETER .........................................................................5

CROSSOVER NETWORK .....................................................5

CABINET...........................................................................6

UNPACKING....................................................7

ADJUSTABLE SPIKE FOOTING...........................9

PLACEMENT .................................................11

CONNECTIONS..............................................13

SYSTEM OPTIMIZATION..................................14

LOUDSPEAKERS AND POWER........................16

SPECIFICATIONS............................................17

OBTAINING SERVICE......................................18

2REVEL PERFORMA C50a

Owner’s Manual

Figure 1. The Revel

Performa C50a

center-channel loudspeaker.

INTRODUCTION

The Revel Performa C50a center-channel loudspeaker draws upon

the same research, resources, and unique perspective made famous

by Revel’s Ultima™ Series, resulting in standard-setting low col-

oration and freedom from distortion over an extraordinarily wide

dynamic range.

The C50a loudspeaker provides this exceptional performance in a

wide range of applications (through the use of placement compen-

sation circuits) and uniformly throughout a wide listening area.

Individually hand-tuned crossovers assure that this loudspeaker will

produce the same extraordinary sound quality as the original refer-

ence standard, and an ideal timbre match to Revel left and right

front loudspeakers. Its superior performance, validated by objective

listening tests, will greatly enhance the enjoyment of music or film

sound in your home.

ABOUT THE MANUAL AND WARRANTY

To begin enjoying your new loudspeaker, first read and then perform

the instructions in this owner’s manual. Maximum performance

depends on following all instructions described here, as well as those

found in the owner’s manuals of associated components in your

audio system. Save these instructions for future reference.

The C50a center-channel loudspeaker is covered by a limited 5-

year warranty, so save the bill of sale to protect your purchase and

aid in any service-related questions.

REVEL PERFORMA C50a

Owner’s Manual

Figure 2. The Revel Performa

C50a transducer and connection

locations.

DESCRIPTION

The Revel Performa C50a loudspeaker uses two 6.5-inch (165mm)

ceramic-composite woofers, a 4-inch (102mm) ceramic-composite

midrange, and a 1-inch (25.4mm) aluminum-dome tweeter.

Combined with an individually-optimized crossover network, this

transducer arrangement provides a uniform “listening window” or

area in which the sound varies little. The dual high power-handling

woofers and high-order crossover networks assure an extraordinary

dynamic range capability with very low dynamic compression. Full

magnetic shielding allows use near a video monitor.

WOOFERS

The two 6.5-inch (165mm) woofers feature:

•1.2-inch (30.5mm) diameter voice coils wound on glass-rein-

forced Kapton®bobbins for outstanding dynamic capability and

freedom from compression.

•Ceramic-composite cones feature an optimum combination

of stiffness and low mass for low coloration and distortion, and

fully-pistonic operation throughout their entire operating range.

•Massive motor system and specially vented spiders for

high-power handling and low dynamic compression.

•Die-cast basket to eliminate coloration from resonances.

4REVEL PERFORMA C50a

Owner’s Manual

OnTopof

Monitor

Flush

Mounted

Stand

Mounted

0+.5

-.5

-1

Placement

Compensation

(SeeOwner's Manual)

HighFrequency

Level(dB)

Revel

Northridge,California

Madein U.S.A.

SerialNo.

REVEL PERFORMA

C50a Front (without grille)

REVEL PERFORMA

C50a Rear

Woofer

Tweeter

Woofer High-Frequency

Level Control

Placement

Compensation

Control

Midrange

Connector Connector

PRODUCT REGISTRATION

Please register the C50a within 15 days of purchase. To do so,

the included product registration card. Retain the original, dated

sales receipt as proof of warranty coverage.

MIDRANGE

The 4-inch (102 mm) midrange features:

•1-inch (25.4mm) diameter voice coil on a glass-reinforced

Kapton®former for extraordinary power handling and freedom

from distortion.

•Ceramic-composite cones feature an optimum combination

of stiffness and low mass for low coloration and distortion, and

fully-pistonic operation throughout its entire operating range.

•Specially-shaped, synthetic and natural butyl-rubber composite

surround contributes to low coloration and distortion.

•Die-cast basket to eliminate coloration from resonances.

TWEETER

The 1-inch (25.4mm) tweeter features:

•Apure titanium dome for fully-pistonic operation.

•Integrated, cast heat sink for high-power handling and low

dynamic compression.

•Telar 57™, low-carbon high-saturation steel pole, backplate,

and top plate for low distortion.

CROSSOVER NETWORK

The Revel Performa C50a crossover network is designed to seam-

lessly integrate the transducers over a wide listening area, and to

compensate for a wide range of listening environments. The

crossover features:

•A3-way, high-order crossover at 260Hz and 2.1kHz for high

power handling, optimized dispersion, and freedom from

distortion and dynamic compression.

•Individual calibration to match each Revel Performa C50a to

the original reference standard.

•3-position placement compensation switch for low coloration

under a wide range of conditions.

•Calibrated, five-position, high-frequency level control for

accurate, repeatable settings.

•Separate woofer, midrange, and tweeter crossover boards to

eliminate any distortion-causing interaction.

REVEL PERFORMA C50a

Owner’s Manual

CABINET

Minimizes cabinet-induced colorations with 0.75-inch (19mm)

thick walls and extensive internal bracing. For even greater sound

enhancement, rounded baffle edges minimize diffraction and

optimize treble response. Two threaded inserts on the bottom of

the cabinet accommodate spike footing, which provides adjustable

tilt when the C50a is placed on or above a video monitor.

The cabinet’s wood veneer finish does not require routine mainte-

nance. However, cabinet surfaces that have been marked with fin-

gerprints, dust, or other dirt can be cleaned using a soft cloth and a

high-quality furniture polish. If a higher-gloss finish is desired, a

high-quality wax can also be used.

To clean the cabinet:

1. Apply a high-quality furniture polish to a soft cloth.

2. Use the cloth to lightly wipe the cabinet surface.

To clean the grille:

Gently vacuum using a soft-bristled brush vacuum attachment.

CAUTION:To prevent cabinet damage, do not use a cloth made

with steel wool or metal polish to clean the cabinet. To prevent

possible transducer damage, do not apply furniture polish directly

to the cabinet.

6REVEL PERFORMA C50a

Owner’s Manual

WARNING

Figure 3. Unpacking the C50a

UNPACKING

The C50a requires special care and handling during unpacking.

Pay particular attention to the precautions that appear in this

section and to other precautions that appear throughout this

owner’s manual.

When unpacking, save all packing materials identified in Figure

2 at the bottom of the next page for possible future shipping

needs. Refer to the Obtaining Service section on page 20 for

additional information.

To unpack the C50a loudspeaker:

1. Place the packing carton upright on a soft towel or carpet-

ed floor and fully open the top flaps as shown in step 1 of

Figure 3 (below).

2. Without allowing the top flaps to close, stand the packing

carton in an inverted position as shown in step 2 of Figure

3 (below).

3. Lift the packing carton off of the loudspeaker as shown in

step 3 of Figure 3. Use caution to avoid damaging the

loudspeaker cabinet. At this point, the loudspeaker will be

upside-down.

REVEL PERFORMA C50a

Owner’s Manual

Bottom

Top

Bottom

Top

Figure 4. A Revel Performa

C50a loudspeaker with its

inner packing materials.

4. Remove the left and right pads, grille and protective bag

identified in Figure 4 (below).

5. Remove the spike footing attached to the left pad as shown

in Figure 4 (below).

NOTE: While the loudspeaker is upside-down, it is recommended to

position the spike footing as desired. Refer to the Adjustable Spike foot-

ing section that begins on the nest page for instructions.

8REVEL PERFORMA C50a

Owner’s Manual

Right Pad

Left Pad

Grille

Protective Bag

Spike Footing

Figure 5. Tilting the Revel

Performa C50a loudspeaker.

ADJUSTABLE SPIKE FOOTING

When the C50a is shipped, spike footing is attached to the left pad

identified in Figure 4 on the previous page. For optimal sound

quality, these spikes can be positioned in the threaded inserts on

the bottom of the cabinet.

Both 1.5-inch (38mm) and 2.25-inch (57mm) adjustable spikes

are included, allowing for achievement of the proper tilt angle

when the C50a is placed on top of a video monitor as shown in

Figure 9 on page 12 or a shelf. For best results, the C50a should be

tilted so the front of the speaker is facing directly toward the listen-

er’s head.

To position the spike footing:

1. Place the C50a upside-down on a soft towel or carpeted

floor.

2. Select the appropriate set of spikes to create a tilt angle that

aligns the tweeter with the listener’s head.

•Select the 1.5-inch spikes for a slight downward tilt as

shown on the top of Figure 5 (below).

•Select the 2.25-inch spikes for a greater tilt as shown on

the bottom of Figure 5 (below). These spikes are required

for a higher loudspeaker placement.

1.5-inch Spike

Rear of C50a

2.25-inch Spike

Rear of C50a

REVEL PERFORMA C50a

Owner’s Manual

10 REVEL PERFORMA C50a

Owner’s Manual

Figure 6. Location of the C50a’s

threaded inserts for spike footing.

3. Locate the two threaded inserts on the bottom of the cabinet.

These inserts are identified in Figure 6 (below).

4. Rotate the first spike clockwise, spike end first, to attach it to

the threaded insert.

5. Repeat step 4 using the other spike and threaded insert.

Make sure the two spikes are evenly threaded to achieve a

level balance.

6. Place the protective caps over the round end of the spikes as

shown in Figure 7 (below) to prevent the spikes from scratch-

ing the mounting surface.

7. When both spikes have been inserted, stand the C50a in the

upright position. If needed, adjust the spikes to achieve a

level balance.

CAUTION: Do not mount the C50a precariously on the edge of a

monitor. Be sure to properly mount as instructed.

Round End

(Protective Cap)

Spike End

C50a Cabinet

Mounting

Surface

Threaded

Insert

Figure 7. C50a spike footing

detail

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