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Condition: Good working condition 
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Circuitry: High-voltage analog circuit 
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Controls: Volume, Gain, Tone 
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Power: 9V or 18V (for more headroom) 
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Build: Compact, durable metal chassis 
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Tone: Warm, tube-like overdrive 
 Lovepedal Hi-Volt Ruby Preamp Pedal
Lovepedal Hi-Volt Ruby Preamp Pedal