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Guitars > Guitar Amps > Guitar Amp Heads > Blackstar Series One 100

Blackstar Series One 100

Item ID: S1-100

100-watt Tube Amplifier (Adjustable Down to 10W) with MIDI Switching, Series Effects Loop, and Speaker-emulated Output

Special Order, But We Can Get It Fast

Because of our great relationship with Blackstar, we can usually get this special order item to you within a week or two. Please note that special orders are non-returnable and non-cancelable. Order online or call for more information.

Note: While most of the items we sell ship for free, this item does not qualify for free shipping due to special circumstances.

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  • Retail Price$2249.99
  • Sweetwater Savings-$450.00
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  • Sale Price:$1799.99
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From Our Research Team:

Mega-versatile Amp!

Here's a versatile amp that delivers full-on tube tone! The Blackstar Series One 100 can go from ultra-clean to crushingly crunchy, giving you a ton of hands-on control to dial in the perfect sound. In fact, when you toggle between the Bright and Warm modes on the clean channel, the Series One 100 actually reconfigures its preamp voicing and power amp damping, giving you bright and ringing Class A performance or that warm and crunchy Class AB sound.



You've also got Crunch and Super Crunch modes to choose from on the Series One 100. In Crunch, you can go from just on the edge of clean breakup to totally thick, modern rhythm tones. In Super Crunch mode, the stops are out for maximum all-out crunch. You'll also appreciate the attention Blackstar paid to keeping your top-end intact when you do launch into your overdrive sounds.

Looking for even more tonal flexibility? Blackstar also gave the Series One 100 their exclusive ISF control (ISF stands for Infinite Shape Feature). Using it in conjunction with your Bass, Middle, and Treble controls, you can nail the exact tonal signature you want. When turned fully counterclockwise, you'll have more of an "American" characteristic to your voice, with a tight bottom end and aggressive middle. Turned all the way to the right, you'll enjoy more of a "British" vibe, with a woodier sound that's less aggressive. However you dial in the Series One 100 between the two, you'll enjoy a musical response that just asks to be taken onstage or into the studio.

If you're the "plug and play" sort of guitarist, you'll be right at home in front of the Series One 100. But if you've got a mind for the high-tech, you'll dig this mighty little combo too. The Blackstar Series One 100 supports MIDI channel switching, allowing you to simultaneously select an amp channel and change the patch on a MIDI effects processor you have connected to the effects loop. Very nice. It supports 128 Program Changes, so you can access a wide range of tonal combinations.

Last, not least, the Blackstar Series One 100 has a convenient DPR (Dynamic Power Reduction) control. Grab the DPR and adjust the output power of the amp from 100W (100%) all the way down to 10W (10%) of the rated power. The control even adjusts the power amp compression, giving you a more playable "feel" when you're enjoying the comfortable listening levels of the reduced power settings.

Blackstar Series One 100 Features at a Glance:
  • 100-watt head with built-in DPR power reduction
  • 2 channels and 4 modes (footswitchable)
  • 3 x ECC83, 1 x ECC82, 4 x EL34 valves
  • Clean channel with Warm (Plexi) and Bright (Class A) type modes
  • Overdrive channel with Crunch and Super Crunch modes
  • ISF (Infinite Shape Feature) equipped tone control section
  • Presence control
  • Master Volume
  • Series effects loop
  • MIDI switching
  • Speaker-emulated output
  • Weight: 51.15 lbs.
  • Dimensions: 27.75" x 11.22" x 10.96"

The Blackstar Series One 100 is the sonically versatile, supremely playable amp you've been wanting!
Specification Detail
Type Tube
Number of Channels 2
Power 100W
Effects No
Reverb No
EQ Treble, Middle, Bass, ISF
Amp Modeling No
Number of Models 0
Number of Tubes 8
Preamp Tubes 2 x ECC83, 1 x ECC82
Power Tubes 4 x EL34
Inputs 1 x Instrument
Outputs 2 x TS speaker output, 1 x 1/4" speaker emulated output, 1 x XLR speaker emulated output
Footswitch I/O Yes
Effects Loop Yes
Height 10.96"
Width 27.76"
Depth 11.22"
Weight 51.15 lbs.
Manufacturer Part Number S1100

Series One 100 Image Gallery

Can We Help?

Sweetwater's friendly and knowledgeable Sales Engineers are regarded as the most experienced and educated professionals in the music industry, with extensive music backgrounds and intense training on the latest products and technologies. As your personal contact here at Sweetwater, they are available to provide personalized advice any time you need it.
Call toll-free (800) 222-4700 or E-mail us
What Does "Special Order" Mean?
A special-order product is one that we don't normally keep in stock. We order it from the manufacturer as soon as you order from us. We have great relationships with all the manufacturers we carry, so we can get your special order to you as fast as or faster than anyone else. Remember that special orders are non-returnable and non-cancelable, so make sure the item is right for you. A Sweetwater Sales Engineer can help you decide - call (800) 222-4700 for assistance!

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Bruce, North Canton, OH

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See Also: Amplifier Heads , Blackstar , Blackstar Guitar Amp Heads

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