Blackstar are proud to announce the limited edition Jared James Nichols JJN-20RH MkII signature valve amp head with matching JJN-212VOC MkII cabinet. EL84s are at the tonal heart of Jared’s JJN-20RH MkII head. With a wider radius box, stunning racing green tolex and distinctive tilt-back design the JJN-20RH MkII is as eye catching as it looks.
Enhanced Cleans
The JJN-20RH MkII has two footswitchable Clean Voices, one with an American character and the other with a Class A British sound. Voice 1 clean gives a bright and tight tone with a solid bass response, the tone shaping is positioned early in the gain structure for a refined American tone and response. Voice 2 gives a highly responsive “chime” with a looser, resonant bottom-end for a British tone that can be pushed into a mid-range overdrive when driven hard.
Enhanced Overdrives
The two footswitchable Overdrive Voices are characterised by a tone which is high in gain, but avoids any of the detached top-end fizz often found in other designs. This is the Classic “British” Blackstar overdrive. Rich and natural it goes all the way to Super Crunch gain but cleans up beautifully. Inspired by the critically acclaimed HT Venue MkII high gain sounds, this overdrive has additional aggression in the high-end with a tight resonant low-end.
Patented ISF Tone Shaping
The conventional three way guitar EQ network, or tone stack (a.k.a. Bass, Middle and Treble), is a key to the characteristic voice of traditional guitar amplifiers. Classic amplifier designs have their own versions of this network which leads to their own tonal voicings. The ISF control allows you to infinitely adjust the response of the tone control network between any of the traditional voicings in a way that has never before been possible. In this way you can design your own sound and truly find ‘the sound in your head'.
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EL84s are at the tonal heart of Jared’s JJN-20RH MkII head. With a wider radius box, stunning racing green tolex and distinctive tilt-back design the JJN-20RH MkII is as eye catching as it looks.
Enhanced Cleans
The JJN-20RH MkII has two footswitchable Clean Voices, one with an American character and the other with a Class A British sound. Voice 1 clean gives a bright and tight tone with a solid bass response, the tone shaping is positioned early in the gain structure for a refined American tone and response. Voice 2 gives a highly responsive “chime” with a looser, resonant bottom-end for a British tone that can be pushed into a mid-range overdrive when driven hard.
Enhanced Overdrives
The two footswitchable Overdrive Voices are characterised by a tone which is high in gain, but avoids any of the detached top-end fizz often found in other designs. This is the Classic “British” Blackstar overdrive. Rich and natural it goes all the way to Super Crunch gain but cleans up beautifully. Inspired by the critically acclaimed HT Venue MkII high gain sounds, this overdrive has additional aggression in the high-end with a tight resonant low-end.
Patented ISF Tone Shaping
The conventional three way guitar EQ network, or tone stack (a.k.a. Bass, Middle and Treble), is a key to the characteristic voice of traditional guitar amplifiers. Classic amplifier designs have their own versions of this network which leads to their own tonal voicings. The ISF control allows you to infinitely adjust the response of the tone control network between any of the traditional voicings in a way that has never before been possible. In this way you can design your own sound and truly find ‘the sound in your head'.
", "features": [ "Enhanced Cleans: The JJN-20RH MkII has two footswitchable Clean Voices, one with an American character and the other with a Class A British sound. Voice 1 clean gives a bright and tight tone with a solid bass response, the tone shaping is positioned early in the gain structure for a refined American tone and response", "Enhanced Overdrives: The two footswitchable Overdrive Voices are characterised by a tone which is high in gain, but avoids any of the detached top-end fizz often found in other designs. This is the Classic “British” Blackstar overdrive. Rich and natural it goes all the way to Super Crunch gain but cleans up beautifully", "Patented ISF Tone Shaping: The conventional three way guitar EQ network, or tone stack (a.k.a. Bass, Middle and Treble), is a key to the characteristic voice of traditional guitar amplifiers. Classic amplifier designs have their own versions of this network which leads to their own tonal voicings. The ISF control allows you to infinitely adjust the response of the tone control network between any of the traditional voicings in a way that has never before been possible", "Professional Recording Connectivity: USB output have been added for the simplest way to get valve tone into your recordings. Also added is a pro balanced XLR D.I. output, which allows the speaker emulated signals to be connected to external devices for practicing, recording or live use", "Power Reduction: Inspired by the patented Dynamic Power Reduction circuit, simply switch down to 2 Watts at the push of a button without any loss of tone. Perfect for driving the EL84 power stage hard at lower volumes" ] } ] }, "metadata": { "generated_date": "2026-04-26", "last_updated": "2026-04-26", "data_sources": [ "zzounds.com", "Amazon" ], "completeness": 0.9, "version": "1.2" } } }, "pagination": null, "nav": { "home": "/python/html5/index.html", "brands": "/python/html5/menu_brand_index/menu_brand_index_brands_87101ba214.html", "parts": "/python/html5/menu_part_index/menu_part_index_parts_909e6bf0ca.html", "attributes": "/python/html5/menu_attr_index/menu_attr_index_attributes_d7f67a250d.html" } }