Bel Canto REF1000 Bedienungsanleitung

REF1000 mkII

e.One™Series

Mono Audio

ower Amplifier

Bel Canto Design, LTD.

221 1st Street North, Suite 300

inneapolis, N 55401

Phone: (612) 317.4550

Fax: (612) 359.9358

www.belcantodesign.com

[email protected]

User's Guide and Operating Information

T A B L E O F C O N T E N T S

BelCantoDesignStatement..................................................3

DesignFeatures ............................................................4

Unpacking.................................................................5

InitialSetupandOperation ...............................................6&7

Specifications ..............................................................8

The Bel Canto Design e.One Series REF1000 mkII is a perfect example of what

can be accomplished when elegant engineering and depth of empirical knowl-

edge are combined. All components are selected for high sound quality, preci-

sion, technical performance, and material quality. Bel Canto’s circuit designs and

component quality will provide superb performance and years of listening satis-

faction.

REF1000 mkII

Mono Audio ower Amplifier

™

REF1000 mkII User’s Guide 0808 Rev. A

Bel Canto Design audio products are designed to bring you closer to the power

and beauty of your music. Our goal is simply to provide the most expressive and

powerful musical experience outside of the live event and bring some of the

greatest musicians and their performances into the intimacy of your home. We

design equipment which is easy to own, use and live with. We fully expect that

your enjoyment and appreciation of your Bel Canto purchase will grow as you

live with it and experience all of the fine audio subtleties that emerge.

Bel Canto Design

Get Closer

REF1000 mkII User’s Guide 0808 Rev. A

Warm Up

The REF1000 mkII’s sonic performance will start to stabilize after approximately

forty (40) hours of continuous power up. We recommend that the REF1000 mkII

remains powered for optimum performance.

The e.One Series REF1000 mkII is a

mono amplifier designed to deliver

over 500 watts into 8 ohm loads and

1000 watts into 4 ohm loads. The

REF1000 mkII has current drive capa-

bility for virtually any loudspeaker

load down to 2 ohms. This is

achieved in a compact and elegant

product through our adaptation of

the latest analog switching amplifier

and power supply technology from

the ICEpower group.

Bel Canto’s new generation of e.One

analog switching audio power ampli-

fiers extend our leadership in this

technology.

These amplifiers incorporate per-

formance enhancing technologies

that bring musicality and perform-

ance to new levels.

• A custom input stage is added for

increased linearity, common mode

rejection and improved input stage

drive to the amplifier. This circuit

results in lower noise in real-world

operation, lower distortion and bet-

ter dynamic performance for the

amplifier.

• This input stage uses the latest

advanced amplifiers and passive

components including: Caddock

resistors, Solid Electrolytic ultra-low

ESR decoupling capacitors and low

noise regulated power supplies.

These devices ensure that the input

section is utterly transparent,

enhancing the performance of the

core amplifier.

• The REF1000 kII and REF500

ono amplifiers also include cus-

tom power supply rectification and

filters that add 45 Joules of energy

storage to the power supply. This

stage results in lower noise in oper-

ation, reduced sensitivity to power

line effects and better perceived

power delivery and dynamics.

Incorporating high speed, low noise

rectifiers, high voltage film filter

capacitors and high energy storage

this filter allows the regulated

power supply to perform at its best.

Design Features

Warning!

Do not connect power to this amplifier yet!

This amplifier, like any electrical component, can be dangerous and cause injury

unless correct handling procedures are observed and used. Before powering this

preamplifier it is necessary to read and follow proper procedures concerning its

setup and use.

Any tampering of internal parts will immediately void your warranty.

USA customers: For Warranty Coverage complete and mail the Owner's

Registration Papers immediately.

Unpacking

The REF1000 mkII box contains:

1 – REF1000 mkII User's Guide

1 - Power Cable for connection

to utility power [1.85m,

6' long]

1 – REF1000 mkII Amplifier.

1 - Owner's Warranty /

Registration Sheet

Carefully inspect your new unit and

check for shipping damage. If there is

any damage, or if any piece is miss-

ing, please contact your dealer, dis-

tributor or Bel Canto Design.

Save all packing materials as the

packing is specially designed to pro-

tect the amplifier for shipping or

transporting it. If you lose or damage

the packing materials or carton,

please contact your dealer or distrib-

utor before attempting to transport

the preamplifier.

The REF1000 mkII’s power supply is

preset for the proper AC line voltage

before you receive it. The power

cable will have the correct plug for

your local power system. If you

believe this is not true, please con-

tact your dealer immediately. Do not

attempt to alter or change power

settings yourself. This will void the

warranty.

Unpacking

REF1000 mkII Rear Panel

Rear anel Connections

Never Connect Either the ositive or Negative Speaker Output to Any

Ground Contact!

Connecting any Speaker Output on the REF1000 mkII to Ground will cause the

amplifier to go into protection and could damage the amplifier and void the war-

ranty.

1) Power Switch: Power is on when the

switch is toggled to the I position

and off in the O position.

2) Input Connections and RCA/XLR

switch: When using RCA cables for

the input insure that the RCA/XLR

switch is pressed in to the RCA posi-

tion. When using XLR cables insure

that the switch is out in the XLR

position. Do not connect both XLR

and RCA cables to the inputs!

3) Output Connections: Attach your

loudspeaker to the output connec-

tors, insure that the polarity of each

speaker is correct and the same so

that no phase inversion can occur.

Never Connect Either the ositive or

Negative Speaker Output to Any

Ground Contact!

4) IEC power cord jack: Connect a

heavy gauge power cord from

this jack to the wall power supply.

Note the power setting indicated

on the back of the amplifier before

connecting the power.

When all connections to and from the

amplifier have been made then double

check everything, insure that the pre-

amplifier is powered on and set to a

ute setting and power on the

REF1000 mkII.

REF1000 mkII User’s Guide 0808 Rev. A

Front anel Indicator Lamp

What to do if there is hum or ground noise:

The small blue LED lamp indicates that

the power is connected to the REF1000

mkII and that the power switch is in the

ON position. If the amplifier detects a

fault or short circuit in the output con-

nections then it will go into a protec-

tion mode and stop playing. If this

occurs toggle the power switch to the

OFF position and check the speaker

cabling to insure that no speaker out-

put is either shorted together or con-

nected to a ground. When you are cer-

tain that the loudspeaker cabling is

correct, power the unit ON again and

insure that the Blue lamp is lit and that

music will play.

Fuse rotection

There is an internal fuse protection on

the REF1000 mkII. If the power switch

is in the ON position, the power cable

is connected to a functioning power

outlet at the correct voltage and the

Blue lamp is not lit,this indicates that

the internal fuse may have blown. If

this occurs contact your dealer, distrib-

utor or Bel Canto for service. There are

no user replaceable fuses or other

parts. Opening the chassis will void

your warranty.

1) Check that the RCA/XLR switch is in

the correct position for the type of

connection being used.

2) Insure that the preamplifier or any

source components are not produc-

ing hum by setting the preamplifier

to a UTE or Standby setting.

3) The design of the REF1000 mkII

reduces the chance for ground loop

induced hum but we still recommend

that you use shorter interconnect

cables to the preamplifier and connect

all power cables to a common outlet

box or power conditioner unit to

reduce the possibility for ground cur-

rent noise being induced into the

audio signal path. If you choose to

power your source and preamplifier

components from a different AC sup-

ply than used for the REF1000 mkII

amplifiers, we recommend that you

use a high quality balanced XLR cable

driven from a true balanced XLR pre-

amplifier output. We do not recom-

mend that you resort to ‘cheater

plugs’ or some other means to dis-

connect the power ground from the

REF1000 mkII as this may lead to dan-

gerous operation and void the warran-

ty.

REF1000 mkII User’s Guide 0808 Rev. A

Specifications

Power Output: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >1000W into 4 ohms, >500W into 8 ohms

inimumLoad: ..........................................................................2ohms

Frequency Response: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +/-0.5dB 20Hz-20KHz, all loads

THD+N: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.007% 1W, 1KHz, 4 ohms

I D (CCIF): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.0007%, 1W, 14:15KHz, 4 ohms

Output noise: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90uVR S A-weighted 10Hz-20KHz

Voltage gain: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27dB (single ended or balanced input)

Dampingfactor: ..........................................................................>1000

Output Impedance at 100Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .<8 milliohms

DynamicRange: ..........................................................................120dB

InputVoltagefor axOutput..................................................................3Vrms

Input connections: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Single-ended RCA or balanced XLR

RCAinputimpedance: ...................................................................100Kohms

Balancedinputimpedance: ................................................................200Kohms

Output connections: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-set WBT 5-way safety binding posts

StandbyPower: ...........................................................................15W

Size: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.5x3.5x12[inches], 216x88x305[mm] (WxHxD)

Weight:..........................................................................18.5lbs.9Kg.

Features and specifications are subject to improvements and changes without prior notice.

Bel Canto Design, LTD.

221 1st Street North, Suite 300

Minneapolis, MN 55401

hone: (612) 317.4550

Fax: (612) 359.9358

www.belcantodesign.com

Info@belcantodesign.com

e.One™ is a trademark of Bel Canto Design, LTD

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