AD-8
Acoustic Guitar Processor
AD-8: Acoustic Guitar Processor
Features
The BOSS AD-8 Acoustic Guitar Processor uses COSM modeling technology to transform the piezo pickup sound of an ordinary acoustic into six high-end acoustic guitars. The versatile AD-8 can also simulate the warm sound created by miking the guitar's neck and body -a world's first!
- Floor-based acoustic guitar processor featuring COSM Acoustic Guitar Modeling technology
- Turns ordinary piezo-equipped acoustic guitars into six of the world's finest acoustics
- Body and String Enhance controls simulate warm, miked acoustic sounds
- High-quality reverb tailored for acoustic guitar, 4-band EQ and Anti-Feedback
- Onboard chromatic tuner with Mute function and quick pedal-based operation
- 4 Preset memory locations for switching acoustic sounds instantly
- Balanced XLR outputs allow direct connection to PA systems
Specs
- Nominal Input Level
- -20 dBu
- Input Impedance
- 20 M ohms
- Nominal Output Level
- -20 dBu
- Output Impedance
- UNBALANCED OUTPUT/ELECTRIC GUITAR AMP OUTPUT: 1 k ohms
BALANCED OUTPUT: 600 ohms
PHONES: 33 ohms - Recommended Load Impedance
- 10 K ohms or greater
- Reference Pitch
- A4 = 438 to 445 Hz (1 Hz steps)
- Tuning Accuracy
- +/-3 cents
- Display
- 7 segment LED
- Connectors
- INPUT Jack (1/4" phone type)
PHONES Jack (Stereo 1/4" TRS phone type)
ELECTRIC GUITAR AMP OUTPUT Jack (1/4" phone type)
Unbalanced Output A (mono), B (1/4” phone type)
Balanced Output A, B (XLR type)
AC Adaptor In (PSA Series) - Power Supply
- DC 9 V; Dry battery (R6/LR6 (AA) type) x 6, AC Adaptor (PSA Series)
- Current Draw
- 120 mA
- Accessory
- Dry battery (R6/LR6 (AA) type) x 6
- Option
- AC Adaptor (PSA Series)
- Size and Weight ( excl. AC adaptor )
- Width
- 250 mm
- 9-7/8 inches
- Depth
- 180 mm
- 7-1/8 inches
- Height
- 60 mm
- 2-3/8 inches
- Weight
- 1.9 kg
- 4 lbs. 4 oz.
- * 0 dBu = 0.775 Vrms
- *The specifications are subject to change without notice.
Accessories
Downloads
Brochures & Catalogs
Support
If you have questions about operating your Roland, BOSS or Cakewalk product, please check our Knowledge Base for answers to the most common questions.
You can also contact our Product Support department by phone or email.
In addition, we have a library of Owner’s Manuals and Support Documents that you can download and reference. If Support Documents are available for this product, they will be listed below.
Product Manuals
Support Documents
- BOSS Product Catalog 2008
- Forging the Future - Innovation for Creative Inspiration
BOSS forges into 2008 with an awe-inspiring lineup of effects, digital studios, and accessories. - Guitar Effects Guidebook Vol. 20
- Acoustic Products Catalog
- See the full line of Roland and BOSS acoustic products.

