Boss RE-20 Owner’s Manual
![Boss RE-20 manual cover](/images/9a3d2839923cadd58bfb998d/thumbs/thumb175x175.webp)
To connect the Boss RE-20 to your guitar amp, plug your guitar into the INPUT jack of the RE-20. Then, connect the OUTPUT jack of the RE-20 to the input of your guitar amp using a standard 1/4 inch instrument cable.
The Boss RE-20 requires a 9V DC power supply with a negative center pin. Ensure you use a power supply that provides at least 200mA to avoid any performance issues.
To achieve a classic tape echo sound, set the MODE knob to position 1 or 2, adjust the ECHO LEVEL to around 12 o'clock, and set the REPEAT RATE and INTENSITY to taste. Experiment with different settings until you find the desired echo effect.
A volume drop can occur if the ECHO LEVEL is set too low or if there's a mismatch in signal levels. Ensure that both the INPUT and OUTPUT levels are balanced, and try adjusting the direct signal mix using the LEVEL control.
Yes, the Boss RE-20 can be used in a stereo setup. Connect your stereo instruments to the INPUT jacks and use both OUTPUT A and B jacks to send the signal to two separate amplifiers or channels for a stereo effect.
To perform a factory reset, press and hold the TAP TEMPO and MODE buttons while powering on the unit. This will reset the RE-20 to its default settings. Be sure to back up any settings you wish to keep before performing a reset.
First, check the power supply to ensure it's properly connected and functioning. Verify that the power adapter meets the specified requirements (9V DC, negative center). If using batteries, ensure they're inserted correctly and have sufficient charge.
To reduce noise, ensure all cables are high-quality and well-shielded. Avoid running power cables parallel to audio cables. Additionally, try using a noise gate pedal before the RE-20 in your signal chain.
Yes, you can use an expression pedal with the Boss RE-20 to control parameters like REPEAT RATE in real-time. Connect the expression pedal to the EXP/CTL jack and configure the settings as needed.
Regularly check and clean the jacks to ensure good connectivity, and store the pedal in a dry, dust-free environment. Periodically inspect the power supply for wear and replace cables as necessary to maintain optimal performance.