Blackstar Jared James Nichols JJN-20R MKII


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Sunrise Guitars in Fayetteville, Arkansas is proud to carry the Blackstar Jared James Nichols JJN-20R MKII guitar amplifier. The JJN-20R MkII is a highly versatile amplifiers suited to a wide range of playing styles and situations, by including the great tone and innovative features of the award-winning HT Venue MkII range.

The Clean Channel has two voices; one based on a classic American circuit and the other based on a classic British tone. The Voice switch reconfigures the preamp voicing, EQ and valve gain structure, as well as the power amplifier damping. This produces a clean, bright and tight but solid bass response for the American tone and a highly responsive ‘chime’ with looser bottom for the British tone that can be pushed into a midrange overdrive when driven hard. The Voice setting can also be selected via footswitch.

This amplifier also has two voices on the Overdrive Channel, providing a broad palette of overdriven tones.

As with the Clean Channel, each of these voices can also be selected by footswitch.

The Overdrive voices are characterized by a tone which is high in gain, but avoids any of the detached top-end ‘fizz’ often found in other designs. This is a result of unique preamplifier and power amplifier shaping techniques, which also benefit the player in the way the overdrives clean up beautifully as the guitar volume is reduced. Even at the most extreme settings, the Overdrive voices remain natural sounding.

The patented ISF (Infinite Shape Feature) control is unique to Blackstar Amplification and represents a major step forward in tone shaping flexibility. The ISF control shifts the response of the three control tone stack between, a US type response at one end, and at the other, a UK type response. Importantly, in between the two extremes lie an infinite number of alternative tone choices that would be otherwise unavailable.

The amplifier features naturally sounding digital reverb that can be adjusted via the Reverb control on the front panel.

A Power switch is provided on the front panel to switch the amplifier between full power and 10% power. This means that the full tonal depth of the power valve stage can be enjoyed at any volume, retaining the distinctive sound of power valves working hard.


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  • 20 Watt valve combo
  • ECC83 preamp valve
  • 2x EL84 power amp valves
  • Unique Jared James Nichols panel design
  • Clean and BLUESPOWER channels
  • Footswitchable Voices for Clean and BLUESPOWER
  • Power reduction to 2 Watts
  • USB audio out
  • XLR D.I. Out
  • Studio quality reverb
  • 2-button footswitch included
  • Celestion G12T-75 speaker
  • Tan basketweave fret