Orange CS50-ORG Users Manual

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THANK YOU!

Thank you for choosing Orange. You are now a member of the
‘Legendary British Guitar Amplifier’ owners club!

Since 1968 when the company was founded, Orange has been
a pioneering force in the guitar amplification industry. Today,
with a team of the world’s finest amplifier engineers, Orange
continues to push back the boundaries of conventional tube
amplifier design.

Our commitment to craftsmanship and quality control has

allowed our amplifiers to stand the test of time, giving their
owners as much pleasure now, as the day they were bought. To maintain this level of excellence, each
Orange amplifier is put through many rigorous test procedures before leaving the factory.

The warmth, tonal quality and rich harmonics generated by a valve amplifier cannot be reproduced

by ‘artificial’ means. Many guitarists have reached the same conclusion: neither the transistor nor

microchip is a suitable alternative to valve technology.

This booklet contains valuable technical and safety information Please take the time to read this
manual as the information may enhance the sound and performance of your amplifier. We are
confident that you will be delighted with your new purchase and that it will provide you with many
years of enjoyment.

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CONTENTS

CONTACT DETAILS ................................................................................................................................... 4

IMPORTANT SAFETY INFORMATION ....................................................................................................... 5

USING YOUR AMPLIFIER ......................................................................................................................... 8

FRONT PANEL FEATURES ...................................................................................................................... 10

REAR PANEL FEATURES ........................................................................................................................ 12

VALVES AND FUSES CAN FAIL AT ANY TIME! ........................................................................................ 13

FREE EXTENDED WARRANTY OFFER ..................................................................................................... 13

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CONTACT DETAILS

Orange Amplification

OMEC House

108 Ripon Way

Borehamwood

Hertfordshire

WD6 2JA

ENGLAND

Tel: [phone]

Fax: [phone]

[e-mail]

Orange USA

1741 Wilwat Drive

Suite A1

Norcross

GA 30093

USA

Tel: [phone]

Fax: [phone]

[e-mail]

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IMPORTANT SAFETY INFORMATION

The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the

user to the presence of un-insulated ‘dangerous voltage’ within the product’s enclosure
that may be of sufficient magnitude to constitute a risk of electric shock to persons.

Terminals labelled as “Speaker Outputs” must be connected to a speaker cabinet of the

designated load rating using an un-shielded two conductor cable for speaker use at all

times during operation

The exclamation point within an equilateral triangle and "WARNING" are intended to alert the

• Keep these instructions.

user to the presence of important operating instructions. Failure to heed the instructions
will result in severe injury or death.

• Heed all warnings.

• Follow all instructions.

• Do not use this apparatus near liquid.

• Clean only with dry cloth.

• Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.

• Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including

amplifiers) that produce heat.

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• Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades, one
wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the
third prong is provided for your safety. If the provided plug does not fit into your outlet, consult an electrician
for replacement of the obsolete outlet.

• Servicing: Do not attempt to service this product yourself as opening or removing covers may expose you to

dangerous voltage or other hazards.

• Refer all servicing to qualified service personnel.

• Damage Requiring Service: Unplug this product from the wall outlet and refer servicing to qualified service

personnel under the following conditions: (a) When the power-supply cord or plug is damaged; (b) If liquid has
been spilled, or objects have fallen into the product; (c) If the product has been exposed to rain or water; (d) If
the product does not operate normally by following the operating instructions. Adjust only those controls that
are covered by the operating instructions. Improper adjustment of other controls may result in damage and will
often require extensive work by a qualified technician to restore the product to its normal operation; (e) if the
product has been dropped or damaged in any way; (f) when the product exhibits a distinct change in
performance - this indicates a need for service.

• Replacement Parts: When replacement parts are required, be sure the service technician has used replacement

parts specified by the manufacturer or have the same characteristics as the original part. Unauthorized
substitutions may result in fire, electric shock, or other hazards.

The voltage selector switch and mains fuse are factory set for the region in which

your amplifier is intended to be sold. Do not tamper with this switch without
express permission from Orange Music Electronic Company Ltd.

Connect the supplied mains cord to the AC Mains Input on the amplifier to your AC mains wall

outlet. This Class I electrical equipment must be earthed. The correct mains fuse value for
your region are displayed on the unit, close to the AC Mains Input. Replace only with the
same type and value. If the mains fuse repeatedly blows, contact your Orange dealer.

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EMI

To reduce the possibility of outside electrical interference during performance, operate your amplifier and
instrument away from appliances/equipment that generate high levels of electronic/electromagnetic noise. This may
include, but is not limited to: fluorescent lighting, refrigerators, motors, mobile phones, radios, computers etc.

BEFORE USING YOUR AMPLIFIER

Speakers

Always ensure the correct speaker load (Ω) is connected to the SPEAKER OUTPUT terminal(s) at all times during
operation. The speaker outputs are found on the rear of the amplifier. The minimum total load is 8Ω. Only connect

cabinets as described below.

 1 x 16Ω cabinet – Use the 16Ω speaker jack socket (Rear of chassis)
 2 x 16Ω cabinets – Use both of the 8Ω speaker jack sockets (Rear of chassis)
 1 x 8Ω cabinet – Use either of the 8Ω speaker jack sockets (Rear of chassis)

Note:

 Never use instrument cable to make speaker connections.
 Use only quality, unshielded speaker cable.
 Speaker cabinets must have power handling at least equal to the amplifier’s rated output power.
 Never use two cabinets of mismatched impedance (Ω).

Valves

To prolong the lifespan of the valves installed in the amplifier, when powering up, set the
PLAY selector switch to the up position for approximately 2 minutes. This places the amp in
STBY mode (Startup Tension Bypass, historically known as ‘standby mode). This allows the
valves to reach the correct temperature. After 2 minutes, switch to the PLAY position.

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FRONT PANEL FEATURES

Input Jack Socket
Plug your instrument into this jack socket.

Power toggle switch
This turns on the mains power to the amplifier.

STBY toggle switch
When this switch is in the up position, the amp is in STBY mode. Refer to ‘Before Using
Your Amplfier’. Select the PLAY (down) position for performance.

EQ Lift Jack socket
Plug a latching footswitch into this jack socket to remove the EQ and get more gain to the
output stage. (Note – The Orange footswitch will not light up in either position when used
for this function. This is normal because the EQ lift uses passive switching)

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Gain Control
This controls the pre-amp gain of the amplifier.

Bass Control
This controls the bass response of the amplifier.

Middle Control
This controls the midrange response of the amplifier.

Treble Control
This controls the treble response of the amplifier.

HF Drive
This controls the upper midrange to the output stage of the amplifier. (Note – This will have more

effect at higher volume levels.)

Volume Control
This controls the volume to the output stage of the amplifier.

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REAR PANEL FEATURES

CLASS AB – CLASS A Toggle Switch

This switches the class and output power of the output stage of the amplifier.
Class A = 30W
Class AB = 50 watts

(Note – The 30 watt setting will sound louder at lower volume settings but will
make less power at full volume.)

SPEAKER OUTPUTS (8 Ω, 8 Ω, 16 Ω)

Please refer to “Using Your Amplifier”.

HT FUSES (HT1, HT2)
2 x T500mA
These fuses will both blow simultaneously if either of the power amp/output stage valves
fail. This helps to protect the amp’s circuitry. Have a qualified service technician set the bias
of the amplifier when changing faulty valves.

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VALVES AND FUSES CAN FAIL AT ANY TIME!

From time to time output and preamp valves may fail. We suggest that output valves are changed at least once a

year and that all class AB models (50 watts and above) will benefit from having the bias checked and adjusted. Bias

checking must be carried out by a qualified engineer.

Orange amps are protected from damage caused by valve failure and inconsistent mains voltage by various fuses.

We recommend that Orange users have a set of spare valves and fuses.

For more information on maintenance and for accessories and spares, please visit

www.orangeamps.com

FREE EXTENDED WARRANTY OFFER

Orange amplifiers are under warranty for one year subject to consumer protection laws in the country of purchase

and distributor’s terms and conditions, an additional year can be added by registering.

Valves and speakers supplied with an Orange amp or purchased separately at our online store are covered for 90

days from the date of purchase.

The warranty status of any Orange product is subject to its being used for its intended purpose in suitable

conditions. As the manufacturer we reserve the right to refuse to warranty any Orange product which has been

misused in any way whatsoever.

This product complies with the WEEE Directive (2002/96/EC) marking requirement in the European Union.
This affixed product label indicates that you must not discard this electrical/electronic product in domestic
household waste in EU member states. Other territories may vary. Contact your local authority for more
information.

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