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English

Front Panel

1. Input 

Plug your guitar in here. Always use a good quality screened guitar lead.  

2. Gain

This control adjusts the amount of overdrive or distortion. 

When  the  Clean  Channel  is  selected,  low  settings  counter  clockwise  (CCW),  will 
deliver a clean sound. As the Gain control is increased clockwise (CW) the sound 

will move from clean into break-up, until at its maximum position, a full crunch tone 
is arrived at.

When the Overdrive Channel is selected, the Gain control adjusts the amount of 
overdrive or distortion. Low settings, counter clockwise, will deliver a clean sound 
on the edge of break-up. As the Gain control is increased CW the sound will become 

more overdriven moving through crunch tones until, at its maximum position, a full 
distorted lead tone is arrived at.

3. Overdrive Select

Press this switch to select the Overdrive Channel. When the switch is in the Overdrive 
Channel is selected. When the switch is out the Clean Channel is in operation.

4. Volume

This controls the volume of the Clean and Overdrive Channels. Turning it clockwise 
increases the volume. 

5. ISF (Infinite Shape Feature) 

The patented ISF control allows you to choose the 

exact tonal signature you prefer. Fully CCW has a 
more American characteristic with a tight bottom 
end and more aggressive middle, and fully CW has 

a British characteristic which is more ‘woody’ and 

less aggressive.

6. Reverb (only on HT-1R and HT-1RH)

The Reverb control sets the overall level of the reverb effect. With the control fully 
counter clockwise there will be no reverb. Turning the control clockwise will increase 
the amount of reverb.

USA

UK

7. Speaker Emulated Output & Headphones 

This output emulates the tonal characteristics of a guitar speaker cabinet and 
provides a natural valve overdrive tone for connection to a recording device or mixing 
desk, and for use with headphones. To make full use of the stereo reverb, use a 
stereo jack to two mono jacks splitter lead to feed two channels of the recording 

device or mixer (see diagram below). The output will also function into a mono guitar 

type lead. Always use a good quality screened lead. 

Note:

 when a lead is connected here the combo’s internal speaker is disconnected. 

Ring

Screen

Tip

Left channel 

to mixer

Right channel 

to mixer

8. MP3 / Line In 

Connect the output of your MP3 or CD player here. Adjust the player’s volume to 
match that of your guitar to enable you to play along. 

Note:

 the connection is stereo.

9. Power Indicator Light

The power indicator will light when the amplifier is switched on.

10. Power

This switch is used to turn the amplifier on and off. 

Rear Panel

1. Mains Input

The supplied detachable mains lead is connected here. The lead should only 
be connected to a power outlet that is compatible with the voltage, power and 
frequency requirements stated on the rear panel. If in doubt get advice from a 

qualified technician.

2. Speaker Outputs

The output marked ‘4-16 ohms’ is for the connection of an extension speaker cab 

with an impedance of 4 to 16 ohms.

Note:

 The combo’s internal speaker will be disconnected when an external speaker 

cabinet is connected.

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