Hughes & Kettner CF 200 User manual

GUITAR- PA STEREO POWER AMPLIFIER

Hughes

Kettner Musical Instruments

GmbH

Magdeburgerstr.6 6690

St.Wendel

Telefon

(

)

Telefax

(

)

48 86

We are pleased you chose

the

CF 200

power

amplifier. Its innovative CURRENT

FEEDBACK circuitry is the ideal medium for

the

modern guitar rack. The CF 200

is equally suitable for PA, monitor, and keyboard applications.

PLEASE READ THE FOLLOWING GUIDELINES PRIOR TO OPERATING THE CF 200:

l The European model’s voltage can be adjusted from 220 V to 240 V.

l To avoid overheating, ensure sufficient air circulation is available both at the

sides and to the rear of the CF 200.

l Do not install any units sensitive to heat, for instance effects processors, directly

above the CF 200.

l Never expose the CF 200 to climatic extremes and ensure the amp is always

protected

from moisture.

l To protect your speakers, always switch the CF 200’5 power on last.

l Service and repair work should be left to an authorized repair shop. Before

opening the housing, always ensure the mains power cable is unplugged!

FRONT PANEL CONTROL FEATURES

(

1 ) The VOLUME LEFT and VOLUME RIGHT knobs regulate input sensitivity and

subsequently the power output. In the BRIDGE MODE, only the right control is

activated.

The green -20 db LED ( 2

)

indicates the signal level at the respective input is

correctly adjusted. The red CLIP LED

(

3 ) denotes the signal level is too high, and

the CF 200 is clipping. Adjust the appropriate VOLUME knob so that the red LED

illuminates at impulse peaks only.

(

)

GUITAR/PA

The GUITAR/PA switch activates the CURRENT FEEDBACK circuitry (GUITAR mode

on, PA

off). The CURRENT FEEDBACK circuitry elicits an amp, producing the

type of signal most desirable for guitar amplification.

( 5

)

MAINS: The MAINS power switch illuminates when engaged.

page

200

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REAR PANEL FEATURES AND FUNCTIONS

(

)

Prior to plugging the factory-included EUROMAINS CABLE in the AC receptacle

off

the

rear panel, adjust the voltage selector to the correct voltage.

(

)

Use a screwdriver to remove the FUSE BRACKET. Ensure replacement fuses hear

identical specifications to the originals. The fuse bracket on the European model

doubles as a voltage selector. Read the upright value to determine the correct

voltage

setting.

(

)

The GROUND LIFT switch severs the ground to the chassis, eliminating

annoying background hum when the power amp is used in conjunction with other

equipment.

(

)

SPEAKERS

Connect speakers to these jacks for stereo operation. When using one speaker

cabinet per channel, ensure each speaker has a minimum power rating of 100 watts

and an impedance between 4and 16 ohms. For two speakers per channel, each

cabinet must be rated at 8 ohms or greater.

(

)

SPEAKER PROTECT

Two fuses (3.15 A), one for each channel, protect speakers from damage due to

malfunctions e.g. direct current in the output jack. They also protect the power amp

from potential damage, e.g. due to a defective power cable.

Before resuming operation, ensure:

l you replace blown fuses with ones hearing identical ratings.

l both, the connected speakers and speaker cables are fully functional.

l a qualified repairman inspects he CF 200 for possible damage.

(

6/7

)

(8) (9) (10)

page 8

( 11 ) BRIDGE MODE

The MODE switch

(

)

determines whether the CF 200 operates in the 2 x

OOW

stereo mode, or in the 200W mono mode. To avoid accidental switching between

01‘

modes, a plastic

coverplate

is screwed in position. Ensure that the upper and

lower screws are never removed simultaneously. When the MODE

switch

(

)

in the MONO BRIDGE position, the CF 200 operates as a mono 200W amp. Use

the two binding posts to connect speaker cabinets. Ideally, use cables with

terminals or banana plugs. Minimum impedance: 8 ohms.

Black binding post: negative. Red binding post:

plus

The INPUT RIGHT and the VOLUME RIGHT control are activated in the

BRIDGE MODE.

(

)

INPUTS

The input jacks are suitable for

preamps

or mixers. Both channels automatically

amplify the signal if only the INPUT RIGHT jack is accessed. In the BRIDGE

MODE, only the INPUT RIGHT is

activated.

SIGNAL ROUTING DIAGRAM

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Poweramp

HUGHES

KETTNER CF 200

line Out left

line Out Right

Input left

Input Right

D(@#y~

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Stereo Speaker Outs

left

Right

GA~U~~Eru’,

Input input

Cabinets e.g. HUGHES

KETTNER

CL112/GL212/GL412oderCR412

TECHNICAL DATA

Output power per channel: 70W at 8 ohms,

OOW at 4 ohms

Input sensitivity:

1 V

eff

/0 cl bv

Stereo mode

6dBV

0.63 V

eff

l Bridge mode

)

dBV/! V eff

Input impedance: 50 kohms

IMPORTANT SAFETY INSTRUCTIONS!

BEFORE CONNECTING, READ INSTRUCTIONS

. .

Read all of these instructions

Save these instructions for later

use

all

warnings

and instructions marked on the product

not use this product

near

water

not place this product on an unstable cart, stand or table. The product

may

fall. causing serious damage to the product.

Slots and

openings

in the cabinet and the back or bottom arc provided for

entilation

to ensure reliable operation

the product and to

protect

it from

overheating these openings must not be blocked or covered. This product should

not

be placed in a built-in installation unless proper ventilation is provided.

This product should be operated from the type of power source indicated on the

marking

label. If you are not sure of the type of power

available

consult

your

dealer or local power company.

‘I his product is equipped with a

3-wire

grounding type plug. a plug having a third

pin.

This plug will only tit into a grounding-type power outlet. This is a safety

feature. If you are

unable

to insert the plug into the outlet, contact your electrician

to replace your obsolete outlet. Do not defeat the purpose of the

grounding

type plug.

not allow

anything

to rest

the

power

cord.

not

locate

this product

here persons will walk on the cord.

10.

If an extension cord is

used

with

this product make sure that it is a 3-wire

grounding- type and that

the

total

the

amp ere ratings on the products plugged

into the extension cord do

not

exceed the extension cord ampere rating. Also

make sure that the total of all products plugged into the wall outlet does not

exceed I.5 amperes.

Il. Never push

objects

any

kind into this product through cabinet slots as may

touch dangerous voltage points or short out parts that could result in risk of fire

or electric shock. Never spill liquid of any kind on the product.

12.

not attempt to service this product yourself, as opening or removing covers

may expose you to dangerous

voltage

points or other risks. Refer all servicing

to service personnel.

13.

Unplug

thia

product Ii-om the wall outlet and refer servicing to qualilied service

personnel under the following conditions:

l When the

power

cord or plug is damaged or frayed

l If liquid has

been

spilled into

the

product

l If the product has been exposed to rain or water

l If the product does not operate normally when the operating

instructions are followed. Adjust only these controls that are covered by

the operating instructions since improper adjustment of other controls

may result in damage and wilt often require extensive work by a

qualified technician to restore the product to normal operation.

l If

the

product has

been

dropped or the cabinet has been damaged

l If the product exhibits a distinct change in performance, indicating

a need of service!Selection of power supply cord

Use only a listed detachable power supply cord type SVT or SJT

minimum

AWG. 3 conductor, one end configured for NEMA 5-l 5

other end for IEC 320/CEE

22!

14:

Fuses: For continued protection against risk of fire, replace fuses only

with same type and ratings

TO PREVENT THE RISK OF FIRE AND SHOCK HAZARD, DO NOT EXPOSE THIS

APPLIANCE TO MOISTURE OR RAIN. DO NOT OPEN CASE; NO USER SERVICEABLE

PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

page

Table of contents

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