AD Conversion |
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24 bit + AF method* |
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DA Conversion |
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24 bit |
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Sampling Frequency |
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44.1 kHz |
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Program Memories |
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340: 140 (User) + 200 (Preset) |
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Nominal Input Level |
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INPUT: -10 dBu
RETURN: -10 dBu |
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Input Impedance |
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INPUT: 1 M ohms
RETURN: 220 k ohms |
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Nominal Output Level |
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OUTPUT: 0 dBu
SEND: -10 dBu |
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Output Impedance |
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OUTPUT: 2 k ohms
SEND: 2 k ohms |
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Digital Output |
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EIAJ CP1201, S/P DIF |
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Dynamic Range |
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100 dB or greater (IHF-A) |
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Display |
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16 characters, 2 lines (backlit LCD)
2 characters, 7 segment LED |
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Connectors |
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INPUT jack
OUTPUT jacks L (MONO)/R
PHONES jack
SEND jack
RETURN jack
DIGITAL OUT connector (coaxial)
AMP CONTROL jack
SUB EXP PEDAL/SUB CTL PEDAL 1,2 jack
MIDI connectors (IN/OUT)
AC Adaptor jack |
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Power Supply |
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AC 14 V; Supply AC adaptor (BOSS BRC series) |
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Current Draw |
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650 mA |
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Accessories |
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AC Adaptor (BRC series)
Owner’s Manual |
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Options |
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Foot Switch: FS-5U, FS-5L, Dual Foot Switch: FS-6
Expression Pedal: EV-5 (Roland), FV-300L + PCS-33 (Roland)
Foot Switch Cable: PCS-31 (Roland), (1/4 inches Phone Plug (stereo) - 1/4 inches Phone Plug (mono) x 2) |
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Size and Weight |
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Width |
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515 mm |
20-5/16 inches |
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Depth |
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261 mm |
10-5/16 inches |
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Height |
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75 mm |
3 inches |
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Weight |
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4.8 kg |
10 lbs. 10 oz. |
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BOSS’s Flagship Multi-Effects Floor Processor |
 Double your power with BOSS’s new GT-8 floor-based mega processor. Loaded with twin COSM® modeling engines, it brings unprecedented performance and tonal control to the stage and studio. The Dual COSM amp section provides two discrete amp channels; you can layer and manipulate each engine independently to create wildly expressive sounds. Thanks to the Solo Switch function, lead sounds can be immediately activated — perfect for ripping through the mix. BOSS’s mega-popular GT-6 was a smash hit with guitarists, now the GT-8 is destined to become the go-to box for gigging and recording guitarists alike. |
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BOSS’s most powerful floor-based processor! |
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Dual COSM Amp engine allows two different amp types to be assigned to the two channels |
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Amp channels can be switched, layered, or panned in real-time; Dynamic mode allows channel switching by picking dynamics |
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200 stunning preset patches and 140 user patches; 44 effects categories, up to 13 simultaneous FX blocks |
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User configurable effect chain; any effect can be in any order in the signal path; independent External Effects loop section for inserting external effects anywhere in the signal patch |
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Solo Switch on the COSM amp section for instant lead tone |
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Amp Control jack for switching external guitar amp channels |
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24-bit converters and coaxial digital output for high-resolution recording applications |
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