Instrument Inputs 

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 INPUTS

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

Dynamic Range:  typ.: > 95 dB, 20Hz to 22kHz, 0dBFS

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 (seperate 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