GSS Tube Sandwich 12/24W guitar amplifier head

(Code: A0016)
569.90 €
(-12.28%) 499.90 €
In Stock
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Unique size vs. power ratio : amazing sound quality for a product that weighs 80-90% less than most classic tube guitar amps !

100% developed and assembled France.

State of the Art electronics based on carefully selected top quality components.


  1. Laser engraved aluminium enclosure.

    Automatic tube pre-heating circuit.

    Four stage 12AX7 tube based preamp providing a wide range of saturation schemes through four main modes: Clean, Clean Boost, Drive and Drive Boost.

    Two independent channels can be selected either from the front panel's middle switch or through a standard footswitch connected to the rear panel (not included).

    Inputs/Outputs: One 1/4" input jack connector on the front panel. On the back panel: One 1/4" loudspeaker output jack. Two 1/4" jack connectors for the effects loop (Send/Return). One 1/4" footswitch mono jack connector . 1/8" headset output jack on the front panel.

    Test video of GSS' Tube Sandwich guitar amplifier head by Guitaremag:

    Test video of CTL carbon guitars with GSS Tube Sandwich amplifier head + GSS Creamlite12 cabinet:

  2. Clean / Drive channel switch
    Clean channel's gain and volume potentiometers
    Drive channel's gain and volume potentiometers
    Low/High tone control
    Reverb adjust potentiometer
    Clean Boost 
    Clean Bright switches
    One drive Boost switch.

  3. Weight: 1.75 Lb (800 g)

    Enclosure dimensions: 2.3 x 5.5 x 5.1 inches / 68 x 145 x 104 mm (H x D x W)
    Overall dimensions (including potentiometers and tubes): 4.3 x 5.5 x 5.1 inches / 110 x 145 x 130 mm (H x D x W)

  4. 24 Watt over 4 Ohm, 12 Watt over 8 Ohm, 6 Watt over 16 Ohm.

    Amplifier THD (full power ): < 0,1 %

    Input impedance: 1 M Ohm

    Frequency response: 50-15000 Hz

    Auto-switch power supply allows operation over 100 to 240 Volt (50/60Hz).

    Sold with its custom aluminium case.