Series One is the New #1 in professional valve guitar amps. Designed to produce the ultimate guitar tone, built to withstand the rigors of touring. With its dual patent design Series One raises the bar for valve tone and flexibility. At home, in the studio or on the road our award-winning Series One valve amps will always deliver. Whether its build quality or tonal excellence, no compromises have been made. If you are after the ultimate, professional high gain valve amplifier why compromise? We didn’t.
Along with the dual patent ISF and DPR features Series One amps offer the ability to control channel selection via MIDI Program Change messages, a state-of-the-art speaker emulated output with balanced and unbalanced outputs available via XLR and standard jack connectors and a series effects loop with a +4dBV/-10dBV level switch.
As with all Blackstar products the Series One amplifiers are designed for maximum reliability. Built to last, versatile and with a tone that is unsurpassable the Series One is everything a professional valve guitar amp should be.
The Series One design sets new standards for tone and versatility and it’s these benchmarks along with an unrivalled attention to detail that sees the Series One guitar amps win award after award. From the herculean power of the 200W head to the magnificently crafted 45W combo, each amp has claimed at least one award in its category.Find Out More
Two key elements to the Series One design are the patented ISF (Infinite Shape Feature) tone control circuit and the DPR (Dynamic Power Reduction) system. These unique innovations give you a new level of control over your sound.
DPR (Dynamic Power Reduction)
DPR allows continuously variable power reduction so you can use your valve amp in any playing situation and achieve pure valve output distortion and compression at any volume. DPR is a ‘dynamic’ circuit, delivering the exact compression (a.k.a. sag) of a small overdriven valve amp, at any volume level. The power is reduced the feel, tone and reliability of the amplifier is maintained.
Every control has been honed for maximum sonic benefit through hundreds of hours of listening.
ISF (Infinite Shape Feature)
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. The whole tone stack response (i.e. Bass, Middle and Treble) is moved yet the tone controls remain fully interactive, just like in a regular tone stack.
The ISF control is continuously variable between all the traditional responses allowing you to effectively design your own sound.
Every aspect of a Series One guitar amp is the result of uncompromising care and attention to detail, both for tone and reliability. Our experienced R&D team in the UK refined every aspect of these amps to maximise the tone through hundreds of hours of listening tests.
The Series One range is built to withstand the adversities and demands of life on the road. That’s why all Series One amplifiers have plated-through double-sided PCBs, seam welded 1.6mm steel chassis and 18mm finger-jointed birch ply cabinets, with ‘over-specified’ output and mains transformers constructed using laminations made of the highest grade, grain oriented steel.
Constructed from premium grade materials and using traditional methods Series One amps are designed to last a lifetime.Find Out More