Zoom GFX-707 User Manual

Effect Programs 48 types (43 effects + 4 amp simulator settings
+ ZNR)
Effect Modules 4 modules + amp simulator + ZNR
Sampler Function Maximum recording time: 6 seconds
Playback speed control
<MOD and REV modules are temporarily
turned off when sampler function is used>
Patch Memory USER: 6 banks x 5 = 30 (rewritable, with
store)
PRESET: 6 banks x 5 = 30
Total 60 patches
Sampling Frequency
31.25 kHz
A/D Conversion 20-bit, 64-times oversampling
D/A Conversion 20-bit, 128-times oversampling
DSP ZOOM original ZFx-2
Input Guitar input: standard mono phone jack
(Nominal input level -20 dBm, input
impedance 470 kilohms)
Also serves as AUX IN for standard stereo
phone jack
Output Combined line/headphone output
Standard stereo phone jack
(maximum output level = +3 dBm with output
load impedance of 10 kilohms or higher)
Display 6-position alphanumeric LED display
2-position 7-segment LED display
Power Supply AC adapter (available separately)
9 V DC, center minus, 300 mA (ZOOM AD-
0006)
Batteries: IEC R6 (size AA) x 4
Continuous operation: approx. 14 hours (with
alkaline batteries)
External Dimensions
235 mm (W) x 189 mm (D) x 54 mm (H)
Weight 740 g (without batteries)
* 0 dBm = 0.775 Vrms
* Design and specifications subject to change without notice.
ZOOM CORPORATION
NOAH Bldg., 2-10-2, Miyanishi-cho, Fuchu-shi, Tokyo 183-0022, Japan
PHONE: 042-369-7116 FAX: 042-369-7115
Printed in Japan 707-5000
Troubleshooting
No sound or very low
volume
• Is suitable AC adapter connected, and
power switch set to ON?
Make connections as described in "Getting
Connected" and turn power on.
• Is instrument connected correctly to INPUT
jack and playback equipment to OUTPUT jack?
Make connections as described in "Getting
Connected".
• Is shielded cable defective? Try using another cable.
• Is amplifier turned on? Are level controls for
instrument and amplifier set to proper values?
Turn amplifier on and adjust volume to
proper level.
• Is GFX-707 set to mute condition?
Cancel the mute condition.
For some patches, the expression pedal
controls the volume. Set it to a suitable
position.
• Is OUTPUT knob turned down?
• Is expression pedal raised?
Set OUTPUT knob to proper position.
Sound of CD player or
other equipment
connected to INPUT jack
is not heard (sampling is
not carried out)
• Is output level of CD player set to
appropriate position?
Adjust level.
Rhythm pattern is not
played
• Is rhythm volume turned down?
Use PARM 3 knob to adjust the volume.
Expression pedal on/off
switching is not
performed properly
• Readjusting the pedal may correct the
problem.
Readjust pedal, as described on page 23.
Symptom Check Remedy
GFX-707 Specifications

Zoom GFX-707 Specifications

Effect Specifications

effect programs	48 types
effect modules	4 modules + amp simulator + ZNR
sampler function maximum recording time	6 seconds

Memory and Processing

patch memory user	6 banks x 5 = 30
patch memory preset	6 banks x 5 = 30
sampling frequency	31.25 kHz

Conversion and DSP

a/d conversion	20-bit, 64-times oversampling
d/a conversion	20-bit, 128-times oversampling
dsp	ZOOM original ZFx-2

Input and Output

guitar input nominal input level	-20 dBm
guitar input input impedance	470 kilohms
maximum output level	+3 dBm

Display and Power

display	6-position alphanumeric LED display
power supply	9 V DC, center minus, 300 mA
continuous operation	approx. 14 hours with alkaline batteries

Weight and Dimensions

external dimensions	235 mm (W) x 189 mm (D) x 54 mm (H)
weight	740 g
batteries	IEC R6 (size AA) x 4