Connectors:
Two 1/4" phone jack, pseudo-balanced

Impedance:
1 Mohm

Max. Input Level:
18 dBu

Min. Input Level for 0 dBFS:
-6 dBu

Sensitivity:
-6dBu to +18 dBu

Loop 1-4
Connectors:
Two 1/4" phone jacks x 4

Impedance, input/output:
91 kOhm/100 Ohm

Max. Output Level:
12 dBu

Output Ranges:
6 to 10 dBu

Insert
Connectors:
Two 1/4" phone jacks

Impedance, input/output:
24 kOhm(Balanced 35 kOhm)/ 100Ohm(Balanced 200 Ohm)

Max. Output Level:
12 dBu

Output Ranges:
6 to 10 dBu

Analog Outputs (L/R)
Connectors:
Two 1/4" phone jacks

Impedance:
100 Ohm (Balanced 200 Ohm)

Max. Output Level:
12 dBu

Output Ranges:
0 to 10 dBu

Connectors:
RCA Phono (S/PDIF)

Formats:
S/PDIF (24 bit), EIAJ CP-340, IEC 958, 75Ohm

Sample Rate:
44.1 kHz

Frequency Response:
typ. : +0.0/-0.4 dB, 20 Hz to 20 kHz

THD:
typ.: < -80 dB, 20Hz to 22kHz, -1dBFS

A to D Conversion:
24 bit, 128 x oversampling bitstream, DSR

D to A Conversion:
24 bit, 128 x oversampling bitstream, DSR

EMC
Complies with:
EN 55103-1 and EN 55103-2
FCC part 15, Class B, CISPR 22, Class B

Safety
Certified to:
IEC 60065 / EN 60065/ UL 60065 / CSA E60065

Environment
Operating Temperature:
32° F to 122° F (0° C to 50° C)

Storage Temperature:
-22° F to 167° F (-30° C to 70° C)

Humidity:
Max. 90 % non-condensing

Control Interface
MIDI:
In/Out: 5 Pin DIN

USB:
USB 1.1, type B

Pedal (Exp and Vol):
Four 1/4" stereo phone jack
(2 on GFX01, 2 on Control Board)

Relay closure (separate tip and ring connection to sleeve):
4 relays on two 1/4" stereo phone jack for amp switching

Misc
DC output:
4 x 9VDC outputs, 200mA totally, Shield(+) Pin(-)

General
Finish:
Anodized aluminum front
Plated and painted steel chassis

Display:
2x20 character STN-LCD display + 20x7

Footswitches:
Dot-Matrix
18 Illuminated Footswitches

Dimensions:
20.2" x 10.5" x 4.1"
(512.9mm x 265.9mm x 103.4mm)

Weight:
17.2 lb. (7.83 kg)

Mains Voltage:
100 to 240 VAC, 50 to 60 Hz (auto-select)

Power Consumption:
<20 W

Warranty Parts and labor:
According to EU regulations