Supro 1820RTB Delta King 10 Combo

The two-tone Supro Delta King 10 brings tube tone within reach

The Supro 1820RTB Delta King 10 Combo is a compact tube amplifier with 5 watts of power, a 10-inch Supro DK10 speaker, and built-in reverb. The tweed finish gives this version a unique look, while the controls remain straightforward. For guitarists looking for their first tube combo, this is an accessible way to get to know different amp settings without getting lost in a long list of features.

The preamp uses a 12AX7 tube and the power amp a 6V6. Together, they form the tube foundation of a simple, direct setup. With the Volume and Master controls, you adjust the level, while Treble and Bass help you tailor the sound to your guitar. The built-in Reverb adds extra space to chords and single notes, from a subtle depth to a more audible echo.

The five controls keep operation simple: Volume, Treble, Bass, Reverb, and Master. This allows you to try out changes one by one and discover what suits your guitar and playing style. The Delta King 10 features a Line-Out connection, but no effects loop. The combination of a 10-inch Supro DK10 speaker and 5 watts of power makes the amplifier suitable for a compact practice setup or small-scale playing.

The cabinet is made of poplar and finished with tweed tolex. The dimensions are 41 x 18 x 38 cm and the weight is 10.5 kg, making the combo relatively easy to place or move. With tube amplification, reverb, and a clear set of basic controls, the Supro 1820RTB brings the essential components of a tube amp together into one organized package. A great start for shaping your own amplifier sound at home.