The Digitech GSP1101, released in 2007, was designed as a new standard in rack preamp/processors, built specifically to meet the needs of professional guitarists who wanted flexibility without compromising their core tone. Many players already shaped their signature sound through their amps, guitars, and playing style, so Digitech engineered the GSP1101 to integrate seamlessly into existing rigs rather than dominate them. Its design philosophy centred on tone preservation, with a unique setup wizard that configures the unit for different applications, ensuring effects and preamp options are placed exactly where they belong in the signal chain.
The Digitech GSP1101 offered guitarists over 120 models, including vintage stompboxes, preamps, amplifiers, cabinets, and studio-quality effects featuring Lexicon reverbs and Digitech’s iconic Whammy. Its versatile routing meant players could place distortions and choruses before their amplifier input, with reverbs and delays positioned after, replicating a discrete pedalboard setup within a rack unit. Unlike many competing processors of the time, the Digitech GSP1101 removed any unused internal sections to keep the chain clean and transparent.
For live and studio work, the Digitech GSP1101 gave guitarists a wealth of connectivity, from balanced XLR and jack outputs to stereo effects loops, USB streaming with editor/librarian software, and full MIDI implementation. Seamless preset switching, global EQ, and extensive tone and effect libraries further enhanced its utility. Guitarists could choose to run the unit straight into a power amp and cabinets as a complete preamp/processor solution, or integrate it into larger rigs as a dedicated effects processor. With its balance of flexibility and sonic integrity, the Digitech GSP1101 earned a place in many professional racks during the late 2000s.
Digitech GSP1101 Features
- Intuitive interface with dedicated amp controls and LCD display
- Over 120 amp, cabinet, preamp, and effects models including vintage stompboxes
- Stereo effects loop
- 40 Tone and 40 Effect Chain libraries offering 1600 exclusive Digitech combinations
- Global EQ
- Balanced stereo XLR and 1/4″ outputs
- Chromatic tuner
- USB with audio streaming and editor/librarian software
- MIDI In/Thru
- Internal power supply
- Front panel guitar input and headphone output
- Footswitch and expression inputs
- Seamless preset changes
Amplifier Models
- 57 Champ: Based on a ’57 Fender Tweed Champ
- 57 Deluxe: Based on a ’57 Fender Tweed Deluxe
- 59 Bassman: Based on a ’59 Fender Tweed Bassman
- 62 Brown Bassman: Based on a ’62 Fender Brownface Bassman
- 65 Deluxe Reverb: Based on a ’65 Fender Blackface Twin Reverb
- 65 Reverb: Based on a ’65 Fender Blackface Deluxe Reverb
- 65 JTM-45: Based on a ’65 Marshall JTM-45
- 68 Super Lead Plexi: Based on a ’68 Marshall 100 Watt Super Lead (Plexi)
- 68 Jump Panel: Based on a ’68 Marshall Jump Panel
- 77 Master Volume: Based on a ’77 Marshall Master Volume
- 83 JCM800: Based on an ’83 Marshall JCM800
- 93 JCM900: Based on a ’93 Marshall JCM900
- 01 JCM2000: Based on an ’01 Marshall JCM2000 (Solo Channel)
- 62 AC15: Based on a ’62 Vox AC15
- 63 AC30 Top Boost: Based on a ’63 Vox AC30 Top Boost
- 69 High Wattage: Based on a ’69 Hiwatt Custom 100 DR103
- 81 Mark IIC: Based on an ’81 Mesa Boogie Mark II C
- 01 Dual Rectified: Based on an ’01 Mesa Boogie Dual Rectifier
- 99 Legacy VL-100: Based on a Carvin Legacy VL-100
- 96 Match HC-30: Based on a ’96 Matchless HC30
- 88 SLO-100: Based on an ’88 Soldano SLO-100
- Digitech Solo: DigiTech Solo
- Digitech Metal: DigiTech Metal
- Digitech Bright Clean: DigiTech Bright Clean
- Digitech Chunk: DigiTech Chunk
- Digitech Clean Tube: DigiTech 2101 Clean Tube
- Digitech Crunch: DigiTech Crunch
- Digitech Blues: DigiTech Blues
- Digitech Fuzz: DigiTech Fuzz
- Digitech Spank: DigiTech Spank
- Digitech High Gain: DigiTech High Gain
- 2101 Clean Tube: DigiTech GSP2101 Artist Clean Tube
- 2101 Saturated Tube: DigiTech GSP2101 Artist Saturated Tube
- Dread Acoustic: Dreadnaught acoustic
- Jumbo Acoustic: Jumbo acoustic
- Direct: No amp model
Cabinet Models
- Champ 1×8: Based on a 1×8 ’57 Fender Tweed Champ
- Deluxe 1×12: Based on a 1×12 ’57 Fender Tweed Deluxe
- Deluxe Reverb 1×12: Based on a 1×12 ’65 Fender Blackface Deluxe Reverb
- British 1×12: Based on a 1×12 ’62 Vox AC15 with 20W Vox speaker
- Blonde 2×12: Based on a 2×12 ’57 Fender Blonde Bassman
- Twin 2×12: Based on a 2×12 ’65 Fender Blackface Twin Reverb
- British 2×12: Based on a 2×12 ’63 Vox AC30 Top Boost with Jensen Blue Backs
- Bassman 4×10: Based on a 4×10 ’59 Fender Tweed Bassman
- British 4×12: Based on a 4×12 Marshall 1969 Straight with Celestion G12-T70
- Greenback 4×12: Based on a 4×12 Marshall 1969 Slant with Celestion 25W Greenbacks
- Fane 4×12: Based on a 4×12 Hiwatt Custom with Fane speakers
- Boutique 4×12: Based on a 4×12 ’96 VHT Slant with Celestion Vintage 30s
- Vintage 4×12: Based on a 4×12 Johnson Straight with Celestion Vintage 30s
- Digitech Solo 4×12: 4×12 DigiTech Solo
- Digitech Bright 2×12: 2×12 DigiTech Bright
- Digitech Metal 4×12: 4×12 DigiTech Metal
- Digitech Rock 4×12: 4×12 DigiTech Rock
- Digitech Alt 4×12: 4×12 DigiTech Alt Rock
- Digitech Vintage 4×12: 4×12 DigiTech Vintage
- Digitech Chunk 4×12: 4×12 DigiTech Chunk
- Digitech Spank 4×12: 4×12 DigiTech Spank
- Digitech Speaker Comp 4×12: 4×12 DigiTech Speaker Compensation
- Direct: No cabinet model