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Bass 

(Active and post-

Blend

)

 

Adjusts the low-end frequencies. Increasing the 

Bass 

control produces deeper tones. 

 

Blend 

Controls the amount of upper harmonics blended with the clean signal. The character of the blended signal is 

defined by how the 

Gain

 control is set. Higher 

Blend 

settings will add extra volume, so you may adjust the 

master 

Volume

 to compensate if necessary. With the 

Gain 

set to minimum, the 

Blend 

control will have the 

least effect on the overall sound. 

 

Gain 

Controls the level of gain added to the upper harmonics. The

Gain

 control works in tandem with 

the 

Blend

 control for a variety of sounds. Higher 

Gain

  settings produce dirtier tones, whilst 

lower 

Gain

 settings combined with a higher

Blend 

setting can be used for a ‘clean’ boost to cut through the mix. 

Summary of Contents for OB1-300

Page 1: ...purchase and that it will provide you with many years of enjoyment You are now a member of the Legendary British Guitar Amplifier Owners Club In the interests of product improvement the contents of th...

Page 2: ...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 importa...

Page 3: ...n one of the following configurations 1 x 8 Ohm cabinet Use either speaker output rear panel 2 x 8 Ohm cabinets Use both speaker outputs rear panel 1 x 4 Ohm cabinet Use either speaker output rear pan...

Page 4: ...Power LED will illuminate when the mains switch is set to ON Set the Volume control to zero minimum before switching on power to the amplifier...

Page 5: ...able to connect the footswitch Volume Adjusts the overall output volume level Treble Active and post Blend Adjusts the high end frequencies Increasing the Treble control produces brighter tones Higher...

Page 6: ...gs will add extra volume so you may adjust the master Volume to compensate if necessary With the Gain set to minimum the Blend control will have the least effect on the overall sound Gain Controls the...

Page 7: ...ty shielded instrument cable to connect your instrument to the Input jack socket Use the Active Passive switch to select the input level for active or passive pickups REAR PANEL FEATURES 1 2 3 4 5 6 1...

Page 8: ...lp cool the amplifier 4 Speaker Outputs Make sure the correct speaker load and power handling is connected at all times Refer to Before Using Your Amplifier Total minimum impedance 4 Ohms 5 Voltage Se...

Page 9: ...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 misu...

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