JEFF ROWLAND Capri Manuale utente

capri s sTErEO prEaMpLiFiEr

OWNER’S MANUAL CAPRI SteReo PReAmPlIfIeR

TABLE OF CONTENTS

OWNER’S MANUAL CAPRI/CAPRI S STEREO PREAMPLIFIER

Introduction 2

Product Features 3

Package Contents 4

Initial Inspection 5

Maintenance & Cleaning 6-7

Protection Systems 7

Installation, Use & Care 8-9

Remote Transmitter Operation 10-11

Front Panel Functions 12-13

Rear Panel Signal Connections 14-15

Rear Panel Power Connections 16-17

Specications 18

Dimensions 19

Optional Adjustments 20-25

PO BOX 7231, COLORADO SPRINGS, COLORADO 80933 USA E-mAIL: jRDG@jEffROwLAND.COm www.jEffROwLAND.COm TELEPHONE (719) 473-1181

If you have any additional questions

regarding the installation or operation of the

CAPRI Stereo Preampliﬁer, please contact

your authorized Jeff Rowland Design Group

dealer or check the Jeff Rowland Design

Group web site at www.jeffrowland.com.

Enjoy the music!

Jeff Rowland

President,

Jeff Rowland Design Group

preampliﬁer. A thorough understanding

of the operational features will allow you

to gain the maximum performance and

ease of use for which this preampliﬁer was

designed. Please note that your CAPRI

Stereo Preampliﬁer serial number begins

with the letters “

.” This serial number is

located on the rear panel of the chassis.

Please include this number with any corre-

spondence regarding your

CAPRI Stereo

Preampliﬁer.

It has been my joy to create

an audio component of enduring value that

reﬂects the highest ideals of musical and

artistic expression. It is my hope that these

qualities will enrich your experience and

pride of ownership.

Welcome to the Jeff Rowland Design

Group “family” and congratulations on your

purchase of what is unquestionably one

of the world’s ﬁnest preampliﬁers. With its

combination of features such as

precision

electronic circuitry, exceptional

efﬁciency,

and accurately machined chassis compo-

nents throughout, your CAPRI Stereo

Preampliﬁer 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

INTRODUCTION

OWNER’S MANUAL CAPRI/CAPRI S STEREO PREAMPLIFIER

• Two pairs XLR input connectors for

balanced system congurations.

• Two pairs RCA input connectors for

unbalanced system congurations.

• One pair high-current, balanced

line level outputs plus one pair RCA

unbalanced outputs to allow for

driving of multiple ampliers for

bi-amplication, subwoofers, etc.

• Fully-balanced inputs provide

universal compatibility with other

components and eliminate ground

loop noise and EMI.

• Fully-balanced topology

implemented

in both input and output circuitry.

• Bypass function allows for transpar-

ent use in combination audio/home

theater systems.

• Low noise, high-current, switch-

mode power supply provides highest

performance at any world-wide

mains operating voltage.

• Low power consumption permits

constant power-up operation to

eliminate warm-up time.

• Optical encoder type volume control

maintains quiet, trouble-free perfor-

mance and accuracy over the entire

lifetime of the product.

• Dual range volume control allows

large volume level changes when

knob is rotated abruptly, yet allows

small, precise volume level changes

when knob is rotated slowly.

• Six function, hand-held infrared

remote transmitter.

• Ultra-low resonance, structurally

rigid chassis,

precision-machined

from a solid block of aircraft grade

6061-T6 aluminum.

• Optional plug-in phono cards

(installed internally) convert Line

Input 1 to high performance phono

inputs. Three gain and loading

options can accommodate moving

magnet (MM), moving coil (MC)

cartridge types and high output

moving coil cartridge types.

PRODUCT FEATURES

OWNER’S MANUAL CAPRI/CAPRI S STEREO PREAMPLIFIER

PO BOX 7231, COLORADO SPRINGS, COLORADO 80933 USA E-mAIL: jRDG@jEffROwLAND.COm www.jEffROwLAND.COm TELEPHONE (719) 473-1181

WARRANTY REGISTRATION

WARRANTY CARD

Ensure that all of the auxiliary components listed below are enclosed within the shipping carton

and accessory box. Refer to the illustrations and verify that the proper components are included.

OWNER’S MANUAL

INPUT

MUTE

BAL L

BAL R

VOL

PACKAGE CONTENTS

OWNER’S MANUAL CAPRI/CAPRI S STEREO PREAMPLIFIER

AC POWER CABLE

REMOTE TRANSMITTERCAPRI STEREO PREAMPLIFIER

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

preampliﬁer, or accessories are damaged or missing, notify your dealer and the shipper (if a claim is

to be made) immediately.

NOTE:

Many shippers require notication and inspection within 24 hours of delivery to determine the nature of damages incurred.

Your CAPRI Stereo Preampliﬁer 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 preampliﬁer does not operate correctly,

please notify your dealer immediately.

We strongly suggest that you save all of the packing materials. If the preampliﬁer is returned to your

dealer or JRDG, the original packing materials must be used for shipment to avoid possible damage.

Neither JRDG 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 JRDG issue a Return Authorization

(RA) number prior to shipment.

INITIAL INSPECTION

OWNER’S MANUAL CAPRI/CAPRI S STEREO PREAMPLIFIER

PO BOX 7231, COLORADO SPRINGS, COLORADO 80933 USA E-mAIL: jRDG@jEffROwLAND.COm www.jEffROwLAND.COm TELEPHONE (719) 473-1181

All JRDG products are designed to provide a

lifetime of enjoyment

and listening pleasure. The CAPRI Stereo

Preampliﬁer is uniquely

constructed from a solid block of precision-

machined aluminum.

It’s chassis is sealed to prevent dust from entering the interior of the

chassis and thus should never need interior cleaning during the life-

time 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 preampliﬁer 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 appear-

ance. 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.

• Please allow the front panel, which is coated with an automotive-grade polyure-

thane nish, 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.

• The front panel of the unit should never be cleaned with anything other than a very

soft cotton cloth and plain water or ne oil-based furniture polish. Because of the

ne nish of the front panel, use of any other cleaning agent may permanently

scratch the nish.

• The top cover, sides and bottom are protected by a durable black anodized nish

and can be cleaned with a soft cotton cloth (such as an optical lens cleaning cloth

or ne furniture polishing rag) 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.

Maintenance & cleaning

OWNER’S MANUAL CAPRI/CAPRI S STEREO PREAMPLIFIER

Protection SyStemS

The CAPRI Stereo Preampliﬁer is equipped with internal 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 preamp-

liﬁer will not be used for extended periods of time, the preampliﬁer

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.

If you have any questions about the care or cleaning of your

CAPRI Stereo Preampliﬁer, please contact your dealer or the

JRDG

factory 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.

NOTE: Cleaner/polish should be applied directly to the cloth and not the chassis.

PO BOX 7231, COLORADO SPRINGS, COLORADO 80933 USA E-mAIL: jRDG@jEffROwLAND.COm www.jEffROwLAND.COm TELEPHONE (719) 473-1181

Locate the preampliﬁer as close as possible to its ﬁnal installation point. Allow access to the

rear panel for making connections. Due to it’s design, the CAPRI Stereo Preampliﬁer is energy

efﬁcient, eliminating the need for heatsinks or forced-air cooling. As a result, the CAPRI Stereo

Preampliﬁer can be housed in a cabinet or custom enclosure with no fear of overheating.

The efﬁcient and compact design of the CAPRI allows it to be installed in any number of music, ﬁlm

and surround sound systems. For connection instructions for a typical two-channel stereo system,

please see page 14 and 15 of this manual. For instructions regarding the use of the

BYPASS

INPUTS for surround sound or home theater system use, please see page 15 of this manual.

The main chassis of the CAPRI is precision-machined out of a solid block of aluminum to create as

rigid an enclosure as possible, impervious to lateral and torsional forces. The preampliﬁer is parti-

cularly non-resonant; however, various damping and resonance control accessories may be used

to yield greater audio performance in some audio systems.

InstallatIon, Use & care

OWNER’S MANUAL CAPRI/CAPRI S STEREO PREAMPLIFIER

The JRDG CAPRI Stereo

Preampliﬁer 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 preampliﬁer:

• Do not expose the preamplier

to rain, moisture, or excessively

damp conditions.

• Due to auto-ranging circuitry and

dual-stage voltage regulation, the

audio performance will not be

affected by any voltage uctuations

within the operating voltage range.

The CAPRI Stereo Preamplier can

be operated at any mains voltage

over the range of 85 to 265 VAC

without any adjustments necessary.

• The CAPRI Stereo Preamplier must

not be modied in any way, other

than according to ofcial service

bulletins from JRDG. Otherwise, the

factory warranty will be immediately

voided.

• Be sure the preamplier is muted

(red front panel indicator light on)

before

connecting or disconnecting

any

interconnect cables.

• When operating the CAPRI, 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.

• The CAPRI is designed to perform

optimally with no adjustments or

maintenance for the lifetime of the

product. Do not attempt to open the

bottom cover of the preamplier and

refer all service issues to qualied

personnel. The voltages inside the

CAPRI can be hazardous.

• Because of the energy efciency

of the CAPRI, there is no need to

unplug the unit when not in use;

however, the preamplier can be

muted if desired.

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