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Blackstar Series One S1-50 2 Channel 50W Head


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  • Dawsons Delivery Delivery: FREE
Finance Available from £31.99 per month
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  • 50-watt head with ECC82, three ECC83, and two EL34 valves
  • Built-in DPR power reduction
  • Clean channel with Warm (Plexi) and Bright (Class A) type modes
  • Overdrive channel with Crunch and Super Crunch modes
  • ISF equipped tone control section
  • Series effects loop
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  • Flexible finance available on orders over £250
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  • Spread your payments over 12, 24 or 36 months
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Delivery & Returns

Delivery to UK mainland addresses* is FREE on orders over £75 and up to 30kg. (As a guide, a standard electric guitar weighs approx. 3-5kg).

Delivery on orders below £75 are charged at £4.45!

Delivery to Northern Ireland, the Scottish Highlands & Islands, Isle of Man, Isle of Wight, Channel Islands and the Republic of Ireland. is weight dependant and will be indicated at the checkout

Delivery above 30kg to ANY location will vary according to weight and will be indicated at the checkout

LocationPriceStandard Delivery
UK mainland*FREE on orders over £75 £4.45 on orders under £751-3 working days
Northern Ireland, Scottish Highlands & Islands Isle of Man Isle of Wight Channel Islands Republic of Ireland£12.95 – any order value up to 30kg Over 30kg - please call1-3 working days
OverseasPlease call for detailsPlease call

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The Blackstar Series One S1-50 2 Channel 50W Amp Head is a powerful, portable and great sounding amp head that features Blackstars innovative ISF system. If you need plenty of versatility and power from your cabs, then you need a good amp head, and the Blackstar Series One Head ticks all the boxes.

By switching both preamplifier and power amplifier parameters the Blackstar S1-50 Amp Head delivers both Class A style tones with a bell-like ring and classic push-pull crunch depending on the mode selected. The ISF control removes the limitations of traditional designs allowing you to tune the tone to exactly the sound you are looking for. DPR can reduce the power down to 5W and MIDI switching and a series effects loop make the Blackstar S1-50 the ultimate pro amp head.

The Blackstar Series One S1 50 Amp Head has been passionately designed and tried and tested to survive a life on the road. It's lightweight and portable, meaning you can effortlessly take it gig to gig, or to the studio's to unleash your massive sound. The Blackstar Series One Amp Head is also heavy-duty, and will remain un-phased through the tougher parts of touring, where knocks and bumps are ever so likely.

Model Series One S1-50 2 Channel 50W Head
Type of AmpHead
Wattage50 Watts
Amp TechnologyValve
ConnectivityFootswitch Connector
Valves1 x ECC82, 3 x ECC83, 2 x EL34
Clean Section Controls Gain, Volume, Bright Clean, Warm Clean
Overdrive Section Controls Gain, Volume, Crunch, Super Crunch
Equalisation Section Controls Bass, Middle, Treble, ISF
Master Section Controls Resonance, Presence, Volume
Power ControlDSF (5W or 50W)
Effects Series Effects Loop
Footswitch2-way footswitch (Included)
Studio FeaturesSpeaker emulated output, MIDI Switching
StyleHigh-quality PCB, Cabinet and Chassis
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