Biamp D60EQ Manuel utilisateur

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D60EQ

Amplifier/Equalizer

Operation Manual

Biamp Systems | 9300 S.W. Gemini Drive | Beaverton, OR | 97008 | USA | +1.503.641.7287 | www.biamp.com

19Mar07

D60EQ

TABLE OF CONTENTS

Safety Information pg. 2

Front Panel Features pg. 6

Rear Panel Features pg. 7

Options & Accessories pg. 8

Block Diagram & Specifications pg. 9

Warranty pg. 10

INTRODUCTION

The D60EQ is an integrated power amplifier, distribution autoformer, and

9-band graphic equalizer, ideally suited for paging/background music

systems, as well as for zone systems in church, theater, restaurant and

hotel applications. The D60EQ is easy to install, and is covered by a

five-year warranty.

D60EQ features include:

♦integrated equalizer, amplifier, and distribution autoformer

♦electronically balanced differential line level input stage

♦9-band graphic equalizer (±15dB on ISO center frequencies)

♦60W of power into 4Ω, 8Ω, or distributed speaker systems

♦HPF (18dB/octave @ 180Hz) selectable with internal jumper

♦passively cooled amplifier eliminates fan noise/maintenance

♦complete short-circuit and thermal protection with auto-reset

♦turn-on muting to provide noiseless power switching

♦front panel indicators for power, signal present, and peak

♦input/output connections provided on barrier strip terminals

♦table-top design with rack-mounting kit included

♦covered by Biamp Systems' five-year warranty

IMPORTANT SAFETY INSTRUCTIONS

Read these instructions.

Keep these instructions.

Heed all warnings.

Follow all instructions.

Do not use this apparatus near water.

Clean only with a dry cloth.

Do not block any of the ventilation openings.

Install in accordance with the manufacturers

instructions.

WARNING - To reduce the risk of electric shock, do

not expose this apparatus to rain or moisture.

The apparatus shall not be exposed to dripping or

splashing and no objects, such as vases, shall be

placed on the apparatus.

Unplug this apparatus during lightning storms or

when unused for long periods of time.

Do not install near any heat sources such as

radiators, heat registers, stoves, or other apparatus

(including amplifiers) that produce heat.

Do not defeat the safety purpose of the polarized or

grounding-type plug. A polarized plug has two

blades with one wider than the other. A grounding

type plug has two blades and a third grounding

prong. The wide blade or the third prong are

provided for your safety. When the provided plug

does not fit into your outlet, consult an electrician

for replacement of the obsolete outlet.

Protect the power cord from being walked on or

pinched particularly at plugs, convenience

receptacles, and the point where they exit from the

apparatus.

Refer all servicing to qualified service personnel.

Servicing is required when the apparatus has been

damaged in any way, such as power-supply cord

or plug is damaged, liquid has been spilled or

objects have fallen into the apparatus, the

apparatus has been exposed to rain or moisture,

does not operate normally, or has been dropped.

Use only attachments/accessories specified by the manufacturer.

Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer or sold with the apparatus.

When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.

Unplug this apparatus during lightning storms or when unused for long periods of time.

The appliance inlet shall be readily operable once installed.

WARNING - Terminals marked with the following symbol are Hazardous. Connections to these teminals must be

made by qualified personnel.

FRONT PANEL

1. Graphic Equalizer. The graphic

equalizer section divides the audio

spectrum into 9 bands. Each band is

one octave wide and is centered on ISO

standard frequencies. Each control

provides up to 15 dB of boost or cut at

its center frequency. Each mark above

and below the center position indicates a

change of 3 dB. NOTE: When using

the D60EQ autoformer (for 8Ω, 70V, or

100V output) lower frequency filters

(64Hz, 125Hz, & 250Hz) should not be

boosted (see Output Barrier Strip on

next page).

2. Level Control. The level control

determines the amplitude of the output

signal.

3. On Indicator. This green LED indicates

that AC power is on.

4. Signal Present Indicator. This green

LED turns on when the output signal is

greater than or equal to approximately

-20 dBu (80 mv) at the 4 ohm output.

5. Peak Indicator. This red LED turns on

when the output signal is either

beginning to clip or is on the verge of

clipping. The level control should be

adjusted so the Peak Indicator does not

light during normal operation.

6. Power Switch. Turns on or off the AC

power to the unit.

REAR PANEL

115V

50/60 Hz 160 Watts

115/230 VAC 230V: 1A SB fuse

115V: 2A SB fuse

common

autoformer

input

70V

100V

8Ω

4Ω

input +

input –

gndBIAMP SYSTEMS

D60EQ

Designed in Oregon, U.S.A.

Assembled in India

1. AC Power Cord. Connect to ~115/230

VAC 50/60 Hz AC power. Make sure

that the line voltage selector switch and

fuse have been correctly set before

plugging in. Do not remove or defeat

the AC ground prong on the plug, as this

constitutes a shock hazard.

2. Line Voltage Selector Switch. Set this

switch to "115" for nominal line voltages

of 110-120 VAC. Set this switch to "230"

for nominal line voltages of 220-240

VAC. Make sure that the appropriate

fuse is installed when changing voltage

selections. The unit is set for 115 volt

operation when shipped from the factory.

3. Fuse. This is the AC power fuse.

Replace fuse only with same type and

value. For 115 volt operation, use a T

2A L 250V fuse. For 230 volt operation,

use a T 1A L 250V fuse.

4. Output Barrier Strip. The output

barrier strip provides connections for the

output of the amplifier. The Common

terminal is the output "ground"

connection. When the unit is shipped

from the factory, the distribution

autoformer is not hooked up and signal

is only present at the 4 ohm output. To

use the 8Ω, 70V, or 100V outputs, the

jumper wire must be connected from the

4Ωoutput terminal to the autoformer

input terminal. NOTE: From the factory,

the D60EQ has an 18dB/octave 180Hz

high-pass filter enabled. This high-pass

filter must remain enabled whenever an

autoformer output is being used (8Ω,

70V, or 100V). The high-pass filter

should be disabled only when using the

‘direct’ 4Ωoutput (see Options &

Accessories on page 8). CAUTION:

High voltages may be present at the

output terminals. Be sure that the AC

power is off when making connections.

5. Input Barrier Strip. The input barrier

strip provides connections for the

balanced input to the amplifier. The

bottom three terminals on this barrier

strip are unused.

OPTIONS & ACCESSORIES

CAUTION: Modifications must be performed by qualified service professionals. AC power must be

disconnected, and the top panel must be removed before performing any of the following modifications to

the D60EQ.

OUT

FILTER

High-Pass Filter

jumper strap labelled ‘FILTER’ on the amplifie

circuit board enables or disables an

18dB/octave 180Hz high-pass filter. When the

strap is in the "IN" (up) position, the filter is

enabled. When the strap is in the "OUT" (down)

position, the filter is disabled. To avoid high

magnetization currents which cause the

amplifier to current limit and distort the output

signal when low frequencies are present, the

high pass filter must be strapped "IN" when

using the autoformer (8 ohm, 70V, 100V)

outputs. This strap is set "IN" when the unit is

shipped from the factory.

Rack Mounting

Rack mounting brackets are provided with the

D60EQ. To install these brackets, the top cove

of the unit must first be removed. The brackets

are then attached to the top cover using the

hardware supplied. The top cover is then

reattached.

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