ZOOM A1 Four Acoustic Multi-Effects Processor เอฟเฟคกีตาร์โปร่ง

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FEATURES
• A1 FOUR offers over 80 built-in effects / A1X FOUR offers over 90 built-in effects
• Dedicated effects for acoustic guitar, saxophone, trumpet, violin, and harmonica
• Up to 5 effects can be used simultaneously, chained together in any order
• 50 memory locations for storing user-created patches
• Looper for recording up to 30 seconds / 64 beats of CD-quality audio with seamless start and end times
• ZOOM Guitar Lab software for creating, editing and managing effects and patches
• 68 built-in rhythm patterns tailored for unplugged styles of music can be used in combination with the Looper
• Onboard chromatic tuner supports all standard guitar tunings, including open and drop tunings
• Output jack for connection to amp or headphones
• A1 FOUR and A1X FOUR runs on 4 AA batteries, with alkaline battery life of 18 hours; MAA-1 Requires 2 AA batteries
• USB port for firmware updates, power and connection to ZOOM Guitar Lab
*Manufacturer names and product names mentioned in this presentation are trademarks or registered trademarks of their respective owners and do not indicate any affiliation with ZOOM CORPORATION. All product and artist names are intended only to illustrate sonic characteristics that were used as reference in the development of this product.
SPECS
A1 FOUR/A1X FOUR
MAXIMUM NUMBER OF SIMULTANEOUS EFFECTS 5
USER PATCHES 50
SAMPLING FREQUENCY 44.1 kHz
A/D CONVERSION 24-bit, 128× oversampling
D/A CONVERSION 24-bit, 128× oversampling
SIGNAL PROCESSING 32-bit
DISPLAY 128×32 dot matrix LCD
INPUT
INPUT Standard mono phone jack Rated input level: -20 dBuInput impedance (line): 470 kΩ
AUX IN Stereo mini jack Rated input level: -10 dBuInput impedance (line): 1kΩ
OUTPUT
OUTPUT Standard stereo phone jack (combined line/headphone) Maximum output level: Line +2 dBu (10 kΩ or more output impedance)Headphones 17 mW + 17 mW (32Ω load)
INPUT S/N 120dB
NOISE FLOOR (RESIDUAL NOISE) -97 dBu
POWER AC adapter: 9V DC 500mA center negative (ZOOM AD-16) 4 AA batteries (about 18 hours continuous operation time when using alkaline batteries with the LCD backlight off)
USB USB MIDI, USB Micro-B Power can also be supplied through the USB port.When using a cable designed only for power, other USB functions cannot be used.
EXTERNAL DIMENSIONS A1 FOUR Height: 156 mm (D) × 130 mm (W) × 42 mm (H)Weight: 340 g (excluding batteries)A1X FOUR Height: 156 mm (D) × 216 mm (W) × 52 mm (H)Weight: 610 g (excluding batteries)
MAA-1
INPUT INPUT XLR balanced input (2: hot) Input gain: +3 – +30 dBInput impedance: 10 kΩMaximum input level: +4 dBu+48V phantom power
OUTPUT Standard mono phone jack Nominal output level: −20 dBuMaximum output level: +7 dBuOutput impedance: 1 kΩ
POWER 2 AA batteries Continuous operation time (when phantom current is 3 mA) About 15 hours (using alkaline batteries)
About 15 hours (using nickel metal hydride batteries)
EXTERNAL DIMENSIONS Height: 177 mm (D) × 23 mm (W) × 25 mm (H) Weight : 70 g (excluding batteries) 0 dBu = 0.775 V
WHAT’S IN THE BOX
WHAT’S INCLUDED
• A1 FOUR or A1X FOUR Multi-Effects Processor
• MAA-1 Mic Amp
• Quick Guide
• Patch List