

The algae does not need feeding, because it creates its own food as it photosynthesises. “We were impressed by how consistently the system worked over a long period of time – we thought it might stop after a few weeks but it just kept going,” said Dr Paolo Bombelli in the University of Cambridge’s Department of Biochemistry, first author of the paper. The amplifier heads list for £999, the combos for £1,099 and the speaker cabinets for £499. The speaker also doesn’t take the weight-saving route we’ve seen before for amps like Fender’s Tone Masters, which use neodymium magnets – the Zephyr uses a traditional ferrite magnet.

This is voiced after the classic Celestion Vintage 30, but weighs “a fraction” of a normal V30. And to save on additional weight, Blackstar worked with Celestion to develop the new Zephyr speaker. The amps and cabs all use candlenut wood for much lighter total weight, along with Blackstar’s lightweight power transformers. Notably, it doesn’t use impulse responses, instead using proprietary algorithms to recreate the sound of a speaker in a room.įor more traditional attenuation, the amps also feature a 2-watt mode to let you saturate the power section without going deaf.
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The digital speaker simulator has a huge library of virtual rigs available, with deep editing available via the software. The Cab Rig tech is the same that’s in Blacksar’s Dept. Essentially, this eliminates the need for an external reactive load, and allows you to safely get direct tones from a real, tubes-all-the-way-down amplifier. Here, if you’re using the direct outputs – XLR, stereo line outs and USB – the valve power stage hits an on-board loadbox before it hits Blackstar’s Cab Rig, which simulates the sound of a speaker cabinet, microphone and room. But not in the case of the St James amps. The reason being that valve power stages get very upset if they don’t have the impedance of a speaker or a loadbox to work against. Normally, “going direct” is a lot easier with digital modeling amplifiers, especially if you’re using an amplifier head. Things are about to get a little futuristic, though. The Blackstar St James 6l6 head, cab and combo.Īll of this is standard fare for a valve amplifier launch, and all good stuff. Taking the place of the voice switch on the E元4 amplifier is a 10dB boost. The 6L6 amplifier is voiced for more punchy (yet still ultimately British-sounding) distortion, with a “voice” switch that tightens the low-end for modern metal chugging. On Channel II, however, the two diverge, with the E元4 amplifier having a more raucous, old-school British amplifier voice to the distortion. Both have a similarly-voiced clean channel (Channel I), which is modeled on US-style clean sounds with high headroom. The two styles of amplifier are designed around their respective power tubes.
