JEFF ROWLAND 535 Guide de démarrage rapide

©"Jeff"Rowland"Design"Group"2017・All"Rights"Reserved

MODEL 535 STEREO AMPLIFIER

Operational Manual

SAFETY INSTRUCTIONS

The amplifier has been designed to operate at the highest level of efficiency and

performance in any normal operating situation; however, there are a few important

use and care principles that must be kept in mind when operating the amplifier:

§Read these instructions before operating the amplifier.

§Do not expose the amplifier to rain, moisture, or excessively damp conditions.

§Due to auto-ranging circuitry within the power supply, the audio performance

will not be affected by any voltage fluctuations within the operating voltage

range. The Model 535 can be operated at any mains voltage over the range of

85 to 265 VAC without any adjustments necessary.

§The Model 535 must not be modified in any way, other than according to

official service bulletins from JRDG (Jeff Rowland Design Group). Otherwise, the

factory warranty will be voided.

§When operating the Model 535, a properly grounded AC receptacle should be

used. A potential shock hazard may result if the supplied 3-wire, grounded AC

cable ground terminal is defeated or lifted or the unit is connected to a 2-wire

ungrounded AC outlet.

PROTECTIVE SYSTEMS

The Model 535 is equipped with internal and external fuses for protection against

excessive AC current draw; however, since no protection circuitry or system can

completely protect a product from every electrical hazard, certain precautions should

be observed. In the event of severe voltage hazards such as lightning or when the

amplifier will not be used for extended periods of time, the amplifier should be

unplugged from the AC mains to avoid potential damage to the internal circuitry. All

other audio/video system components should also be disconnected from AC mains

power as hazardous voltages can easily travel throughout an interconnected system.

The crossed-out wheeled bin is the European Union symbol for

indicating separate collection for electrical and electronic equipment.

This product contains electrical and electronic equipment which

should be reused, recycled or recovered and should not be

disposed of with unsorted regular waste. Please return the unit or

contact the authorized dealer from whom you purchased this

product for more information.

LIMITED WARRANTY

Jeff Rowland Design Group, Inc. warrants the materials, workmanship, and proper

functioning of this product for a period of five years from the date of purchase as long

as the product was operated in accordance with its operating manual, the products

was not altered or improperly serviced or prepared, or if the product failed to function

from the beginning. In the event of such a failure, the product will be repaired or

replaced by Jeff Rowland Design Group, Inc. through one of its dealers. This warranty is

extended to the original purchaser only and is non-transferable to any secondary or

other purchaser.

In order to have this product repaired or replaced, the original purchaser must first

obtain the prior authorization of Jeff Rowland Design Group, Inc. or one of its dealers.

Purchaser must then return the product, PACKAGED IN ITS ORIGINAL CARTON,

FREIGHT PREPAID to: Jeff Rowland Design Group, Inc., 2911 North Prospect Street,

Colorado Springs, Colorado, 80907, or to one of its dealers.

Jeff Rowland Design Group, Inc. reserves the right to inspect any product which is

subject to any warranty claim prior to repairing or replacing it. Final determination of

warranty coverage lies solely with Jeff Rowland Design Group, Inc. Said determination

shall be made as soon as possible following receipt of the product. Jeff Rowland

Design Group, Inc. may, at its option, require from the purchaser, valid proof of

purchase (dated copy or photocopy of dealer's original invoice). Out-of-warranty

claims will be billed for labor, materials, return freight, and insurance as required. Any

product for which a warranty claim is accepted will be returned to the purchaser and

costs of shipping and insurance will be factory prepaid within the boundaries of the

USA. Units to be shipped outside of the USA will be shipped freight collect only. This

warranty gives the holder specific legal rights. The purchaser also has implied warranty

rights, and may also have other rights which may vary from state to state.

Jeff Rowland Design Group, Inc. strives to manufacture the very finest possible

equipment and therefore reserves the right to make changes in design and

improvements upon its previously manufactured models.

This product complies with European Low Voltage (2006/95/EC) and

Electromagnetic Compatibility (89/336/EEC) Directives when used

and installed according to this instruction manual. For continued

compliance servicing must be referred to qualified service

personnel.

THE ABOVE WARRANTY IS THE SOLE WARRANTY GIVEN BY JEFF ROWLAND DESIGN

GROUP, INC. AND IS IN LIEU OF ALL OTHER WARRANTIES; ALL IMPLIED WARRANTIES OF

MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE SHALL BE STRICTLY

LIMITED IN DURATION TO FIVE YEARS FROM THE ORIGINAL DATE OF PURCHASE AND

UPON THE EXPIRATION OF THIS FIVE YEAR WARRANTY PERIOD, JEFF ROWLAND DESIGN

GROUP, INC. SHALL HAVE NO FURTHER OBLIGATION OF ANY KIND WHETHER EXPRESSED

OR IMPLIED.

Jeff Rowland Design Group, Inc. does not authorize any third party, including any

dealer or representative, to assume any liabilities on its behalf or to make any

warranties on its behalf unless authorized to do so.

Warranty registration cards must be completed and mailed to Jeff Rowland Design

Group, Inc. within thirty (30) days of the date of purchase. If this product is used in a

commercial or industrial application, then special warranty exclusions may apply.

Contact your dealer or Jeff Rowland Design Group, Inc. for information regarding our

commercial warranty policies.

MANUAL INTENT

This manual is intended to make installation and use of this product as easy as

possible. Information in this document has been carefully checked for accuracy at the

time of printing; however, Jeff Rowland Design Group, Inc.'s goal is one of continuous

improvement, therefore design and specifications are subject to change without prior

notice. If you notice any errors please feel free to email us at:

support@jeffrowlandgroup.com.

This document contains proprietary information protected by copyright. All rights are

reserved. No part of this manual may be reproduced by any mechanical, electronic or

other means, in any form, without prior written permission of the manufacturer. All

trademarks and registered trademarks are the property of their respective owners.

NOTE FROM JEFF ROWLAND DESIGN GROUP

elcome to the Jeff Rowland Design Group “family” and congratulations on

your purchase of what is unquestionably one of the world’s finest amplifiers.

With its combination of features such as precision electronic circuitry, exceptional

efficiency, and accurately machined chassis components throughout, your Model 535

will offer you many years of musically satisfying enjoyment.

Please take a few minutes to read the remainder of this Owner’s Manual before

proceeding with the installation of the amplifier. A thorough understanding of the

operational features will allow you to gain the maximum performance and ease of use

for which this amplifier was designed.

Please note that your Model 535 serial number begins with the letters “SM”. Please

include this number with any correspondence regarding your Model 535. It has been

my intent to create an audio component of enduring value that reflects the highest

ideals of musical and artistic expression. I hope these qualities will enhance your

musical experience.

If you have any additional questions regarding the installation or operation of the

MODEL Model 535, please contact your authorized Jeff Rowland Design Group dealer

or check the Jeff Rowland Design Group web site at http://jeffrowlandgroup.com.

Enjoy the music!

Jeff Rowland!

President, Jeff Rowland Design Group

TABLE OF CONTENTS

Design Features

Maintenance and Care

Unpacking and Placement

Front Panel Operation

Rear Panel Connections

Specification

DESIGN FEATURES

MACHINED ALUMINUM CHASSIS: Precision-machined chassis, milled from a solid block of

aircraft grade aluminum, provides exceptional thermal heat transfer/dissipation, RFI/

EMI shielding, resonance control, and minimizes micro-phonically induced micro-

vibrations from any source.

CERAMIC CIRCUIT BOARDS: Critical audio circuits are implemented on mil-spec, multi-

layer, low dielectric constant, Rogers™ ultra-rigid ceramic circuit board substrate for

extremely low energy retention and absorption. Large low impedance ground planes

areas for extended internal star-grounding.

BALANCED TOPOLOGY: Inherent cancellation effects of balanced topology implemented

throughout power and input/output circuits ensure reduced distortion and noise

under dynamic signal conditions.

HIGH-PRECISION SURFACE MOUNT COMPONENTS: Extensive use of Lead (Pb)-free, low

temperature coefficient, active and passive surface-mount components results in

significantly smaller loop areas, reduced circuit capacitance and inductance, and

introduces less noise than conventional leaded components.

THIN-FILM RESISTORS: All resistors are low noise, 0.1% thin-film type for extremely low

thermal noise which complement the low-noise characteristics of the active circuitry.

TEFLON INSULATED WIRES:All signal carrying input and output wires are teflon insulated,

for low dielectric energy storage, ensuring that each audio note naturally decays into

the deeper silence of the music.

TRANSFORMER-COUPLING AND ISOLATION: Transformer coupled input circuitry provides

universal component compatibility and virtually eliminates ground loop noise and RFI/

EMI. Transformer coupling ensures identical amplifier overall gain when using

unbalanced input adapters.

ACTIVE POWER FACTOR CORRECTION: Power Factor Correction (PFC) integrated into

the power supply reduces AC line harmonic noise pollution and increases AC line

power utilization to 97%.

HIGH-EFFICIENCY SWITCH-MODE POWER SUPPLY: Highly efficient, compact, light weight,

switch-mode power supply provides optimum voltage regulation for all circuits and

operating conditions, and allows for quiet operation over a wide range of AC mains

power sources.

BINDING POSTS: CE approved speaker output terminals require no tools for secure, low

resistance connections.

FRONT PANEL STANDBY BUTTON: Illuminated front panel push-button switches the

amplifier into standby mode (<0.3 watt consumption). An internal switch allows the

user to dim the front panel indicator light "ring" or shut off the light altogether when

the amplifier is powered on.

REMOTE ON/OFF: A 1/8”(3.5mm) mini plug connector on rear panel permits amplifier

power on/standby switching in remote and home theater applications.

MAINTENANCE AND CARE

All Jeff Rowland Design Group products are designed to provide a lifetime of

enjoyment and listening pleasure.

The chassis is sealed to prevent dust from entering the interior of the chassis and thus

should never need interior cleaning during the lifetime of the product. All internal

circuitry is maintenance-free such that no adjustments of any kind are necessary over

the lifetime of the product. If the amplifier is ever in need of service, updating, or

upgrading, it should only be returned to an authorized repair facility or technician for

servicing.

The front panel of the unit is precision-machined in a unique process that incorporates

a diamond tipped cutting tool. This process was refined over many years to produce an

attractive and unique appearance. Because the surface is not finished in the typical

fashion of most audio and video equipment, there are a few rules that must be kept in

mind when cleaning the equipment.

NOTE: PLEASE ALLOW THE FRONT PANEL, WHICH IS COATED WITH AN AUTOMOTIVE-GRADE

POLYURETHANE FINISH, TO CURE FOR 6 MONTHS BEFORE ATTEMPTING TO CLEAN IT. THIS WILL

PREVENT SMALL SCRATCHES FROM MARRING THE SURFACE BEFORE THE SURFACE COATING HAS

HAD A CHANCE TO HARDEN COMPLETELY.

WARNING: THE FRONT PANEL OF THE UNIT SHOULD NEVER BE CLEANED WITH ANYTHING OTHER

THAN A VERY SOFT COTTON CLOTH AND PLAIN WATER OR FINE OIL-BASED FURNITURE POLISH.

BECAUSE OF THE FINE FINISH OF THE FRONT PANEL, USE OF ANY OTHER CLEANING AGENT MAY

PERMANENTLY SCRATCH THE FINISH.

The top and bottom cover, sides and bottom are protected by a durable black

anodized finish and can be cleaned with a soft cotton cloth (such as an optical lens or

microfiber cleaning cloth) dampened with plain water. Water should be applied

directly to the cloth and not the chassis. A very mild plastic or glass cleaner that does

not contain ammonia may also be used. If a mark has been left on the chassis, do not

use any type of abrasive or chemical cleaner to remove the mark.

If you have any questions about the care or cleaning of your Model 535, please

contact your dealer before attempting to clean the chassis. The use of a cleanser or

abrasive to clean the chassis that has not been approved by the factory will almost

certainly damage the finish and will not be covered under warranty.

UNPACKING AND PLACEMENT

INITIAL INSPECTION

Inspect the shipping container for damage. If any portion of the shipping container,

packing material, amplifier, or accessories are damaged or missing, notify your dealer

and the shipper (if a claim is to be made) immediately.

NOTE: MANY SHIPPERS REQUIRE NOTIFICATION AND INSPECTION WITHIN 24 HOURS OF

DELIVERY TO DETERMINE THE NATURE OF DAMAGES INCURRED.

Your Model 535 has undergone extensive performance evaluations, listening tests,

quality control inspections, and a minimum 72-hour burn-in period prior to shipment

and should therefore be in perfect operating condition upon delivery. If the amplifier

does not operate correctly, please notify your dealer immediately.

We strongly suggest that you save all of the packing materials. If the amplifier is

returned to your dealer or Jeff Rowland Design Group, the original packing materials

must be used for shipment to avoid possible damage. Neither Jeff Rowland Design

Group nor the shipper can be held responsible for damages incurred during transit if

the original factory packing is not used. All factory returns require that Jeff Rowland

Design Group issue a Return Authorization (RA) number prior to shipment.

UNPACKING

Carefully unpack amplifier chassis and power supply from original packing box.

Remove all accessory items from the accessory box. Accessories include:

§1 Detachable IEC AC Power Cord

§Operational Manual

§Warranty Card

IMPORTANT: RETAIN ALL PACKING MATERIALS FOR FUTURE TRANSPORT. SHIPPING PRODUCT IN

INADEQUATE PACKING MATERIALS MAY VIOLATE THE JEFF ROWLAND DESIGN GROUP

MANUFACTURER’S WARRANTY.

!10

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