SA249 C4 Synth User Guide 44
• Width: 7.00 cm (2.75 inches)
• Height (not including knobs and footswitch): 3.71 cm (1.46 inches)
• Height (including knobs and footswitch): 5.61 cm (2.21 inches)
Weight
• 280 grams (0.625 pounds)
Power
• 9V DC, minimum 165 mA (maximum 195 mA when connected to a power reliant external
controller)
• Negative tip (positive sleeve) barrel power jack, 2.1 mm inner diameter, 5.5 mm outer diameter
Audio Performance
• Maximum Input Level: +6 dBV = 8.2 dBu = 2 V RMS = 5.6 V p-p
• Input Impedance: 1 MegaOhm (1 MΩ)
• Output Impedance: 600 Ohm (600 Ω)
• 108 dB DNR Audio Path
• 24-bit Audio Conversion
• 56-bit Digital Data Path
• Universal Bypass
TM
(relay-based true bypass and analog buffered bypass)
Troubleshooting
General
Restore factory settings: In order to revert the C4 to its factory settings, clearing all user data,
presets, expression mappings and custom effect types, perform a factory reset using one of the
methods described below.
Factory Reset using the Hardware
Disconnect power. While holding down the footswitch, reconnect power. The main LED and control
LED will be lit for a few seconds. When the reset is complete both LEDs will turn off and you can
release the footswitch.
Factory Reset using the Neuro Mobile App
Using the Neuro Mobile App, go to Hardware Settings and choose the Factory Reset option.
Factory Reset using the Neuro Desktop Editor
Connect the True Spring Reverb to the Neuro Desktop Editor. From the top bar menu select Device >
Factory Reset > when the Confirm Factory Reset window pops up, select “Yes.”
Noise
Power source: Ensure that the factory power supply is being used, or an isolated power supply or
pedal power port providing 9V and a minimum of 165mA.
Near noise source: Move pedal away from power supplies and other equipment.
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