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FOUR STROKE SERIES USER MANUAL 

V1.0 

 
 

 
  

 

1.

 

Read these instructions.  

2.

 

Keep these instructions. 

3.

 

Heed all warnings. 

4.

 

Follow all instructions.  

5.

 

Do not use this apparatus near water. 

6.

 

Clean only with a dry cloth. 

7.

 

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

8.

 

Do  not  install  near  any  heat  sources  such  as  radiators,  heat  registers,  stoves,  or  other  apparatus 
(including amplifiers) that produce heat. 

9.

 

Do not defeat the safety purpose of the polarised or grounding-type plug. A polarised 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. If the provided plug does not fit 
into your outlet, consult an electrician for replacement of the obsolete outlet. 

10.

 

Protect  the  power  cord  from  being  walked  on  or  pinched  particularly  at  plugs,  convenience 
receptacles, and the point where they exit from the apparatus. 

11.

 

Only use attachments/accessories specified by the manufacturer. 

12.

 

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. 

13.

 

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

14.

 

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. 

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 

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

This Orange product complies with the WEEE Directive (2002/96/EC) marking requirement. This 
affixed product label indicates that you must not discard this electrical/electronic equipment in 
domestic household waste in the European Union. Other territories may differ. Contact your local 
authority for details of your nearest approved recycling facility. 
 

 
 
 
 
 
 
 

IMPORTANT SAFETY INSTRUCTIONS 

Summary of Contents for 4 Stroke Series

Page 1: ...USER MANUAL 4 STROKE ORANGE MUSIC ELECTRONIC CO LTD LONDON ENGLAND Est 1968 BASS AMPLIFIER SERIES...

Page 2: ...s passed by a generation of players confronted with an array of lifeless digital offerings 4 Stroke Series amplifiers speak with genuine authority remaining clean composed and expressive all the way u...

Page 3: ...s apparatus during lightning storms or when unused for long periods of time 14 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way s...

Page 4: ...age to both the amp and cabinet s Speaker outputs are wired in parallel 1 x 8 Ohm cabinet Use either speaker output 2 x 8 Ohm cabinets Use both speaker outputs 1 x 4 Ohm cabinet Use either speaker out...

Page 5: ...and flash blue at higher COMP settings to indicate the gain reduction 4 BAND PARAMETRIC EQUALISER CUT BOOST Controls the level of the selected frequency with up to 18dB cut or boost FREQUENCY Selects...

Page 6: ...utput power 4 5 VOLTAGE SELECTOR This is factory set for the region in which the amplifier is intended to be sold Do not tamper with this switch Refer to Before Using Your Amplifier 6 AC MAINS INLET C...

Page 7: ...ort pages on orangeamps com Always refer servicing to an authorised Orange technician No user serviceable parts inside Attempts by non authorised personnel to access the interior of the product will v...

Page 8: ...FOUR STROKE SERIES USER MANUAL V1 0 SERIOUS BASS AMPLIFICATION...

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