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Crunch tone: 

Voicing Switch down. Turn the master volume to 12 o’clock, bass and 

treble to 12 o’clock, Middle to 11 o’clock. Presence to 2 o’clock. Turn up the volume 
to about 2 o’clock. Fine-tune to your taste with the tone knobs 
 

Distorted tone:

 Voicing Switch up. Turn the master volume to 12 o’clock, the Gain 

to 1 o’clock, bass, middle, treble and to 12 o’clock and Presence to 2 o’clock . 
Set the output volume with Master Volume. Fine-tune to your taste with the tone 
knobs.  

   

Lead tone:

 Voicing Switch up. Turn the master volume to 12 o’clock, the Gain to 3 

o’clock, bass to 11 o’clock, middle 12 o’clock, treble 11 o’clock and Presence to 2 
o’clock . 
Set the output volume with Master Volume. Fine-tune to your taste with the tone 
knobs.  

 

FRONT PANEL:  

 

 

1.  Input: 1⁄4” unbalanced input. Plug your guitar cable in here.  

 

2.  Gain: Sets the gain of the preamp, higher settings will produce distortion  

 

3. Voicing: Lower position for classic lower gain tones. Upper position for fatter 

more modern higher gain tones. The switch increases gain but also effects 
frequency response. The lower position will have less low-mids and more 
treble and the higher position has more low-mids and a little less treble. 

 

4.  Treble: Adjust the treble response of the amp, this adjusts just the treble, it 

does not affect the bass response as with many vintage amplifiers  

 

5. Middle: Tuned control for middle frequency 

 

6. Bass: Adjusts the amount of low end 

 

7. Presence: Turning up adds presence for brighter tone 

 

8. Reverb: adjust the amount of the build in classic reverb. If the foot switch is not 

plugged in, the reverb is active. 

Summary of Contents for Old School 51RT

Page 1: ... VERY well The amp has build in Reverb and Tremolo for the final old school touch With good care this amplifier will give you decades of trouble free operation Do not try to open the amplifier chassis there are no serviceable parts Only a qualified service technician should remove the chassis Do not expose the amplifier to rain moisture or any kind of liquids Never use the amplifier in wet or damp...

Page 2: ...ailable voltage Make sure the speaker is connected to the amplifier Never operate the amplifier without a speaker or a load connected to the amplifier Plug your guitar using a high quality cable in to the input Switch the Power to mid position Stand by and wait about 30 seconds to let the tubes warm up Then switch the amp on switch down position Now the amplifier is ready to use You need to turn u...

Page 3: ...tune to your taste with the tone knobs FRONT PANEL 1 Input 1 4 unbalanced input Plug your guitar cable in here 2 Gain Sets the gain of the preamp higher settings will produce distortion 3 Voicing Lower position for classic lower gain tones Upper position for fatter more modern higher gain tones The switch increases gain but also effects frequency response The lower position will have less low mids...

Page 4: ...mute the amp for short breaks or when switching guitars BACK PANEL 13 Mains voltage selector switch Switch the voltage to match the AC power you are using To change the voltage first turn the amp off and disconnect the power cable Then slide the switch to the correct position and change the mains fuse to correct value 14 Mains input Connect the amplifier to an earthed main outlet with an insulated...

Page 5: ...r 2 x 6L6 Output power 51 Watts Power consumption Max 200 VA Combo Speaker Jensen Stealth 12 8 ohms or 2x12 Jensen Stealth 16 ohms total load 8 ohms Dimensions W D H Combo 1 x 12 61 x 26 x 50 5 cm 24 x 10 25 x 20 Combo 2 x 12 71 x 26 x 50 5 cm 24 x 10 25 x 20 Head 61 x 26 x 27 6 cm 27 95 x 10 25 x 11 Weight 1 x12 Combo 24 5 kg 54 lbs 2X12 Combo 26 9 kg 59 3 17 3lbs Head 17 3 kg 38 2 lbs Specificat...

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