PRE-1 Preamp/Booster

The PRE-1 Preamp/Booster by Nobels is a flexible preamplifier designed to boost the volume of an instrument during solo performances or to match piezo pickups to regular amplifier inputs. It features controls for bass, treble, and level, allowing users to adjust the sound to their preference. The low impedance output signal enables driving tube amplifier inputs with the PRE-1.

Specifications:
- Power: 9V battery or electrically stabilized power supply 9V-12V DC, minimum 100 mA, 2.1mm plug, tip negative (power supply not included)
- Input Impedance: 1Mohm
- Output Impedance: 2Kohm
- Maximum Input: +6dB
- Controls: Bass, Treble, Level
- Jacks: Input, DC, Remote, Output
- Remote: Momentary switch
- Display: Green LED indicator for on and clip
- Dimensions: 74mm x 126mm x 58mm
- Weight: 445g (without battery)

Functionality:
- The unit can be switched on by inserting a plug into the IN jack.
- It can be controlled remotely using a momentary switch connected to the REMOTE jack.
- The OUT jack delivers a low impedance output signal suitable for the input of an amplifier.

Use Cases:
- Ideal for adjusting acoustic guitars with piezo pickups to standard amplifiers.
- Suitable for boosting instrument volume during solo performances or switching between solo and rhythm playing.

Important Notes:
- Power supply specifications are available on the bottom of the unit.
- It is recommended to use a regulated 9V power supply adaptor to minimize environmental impact.
- Avoid using the unit in extreme humidity, heat, or dust environments.
- When not in use for extended periods, remove the battery to prevent damage from leakage.

The specifications and functionality of the PRE-1 Preamp/Booster are subject to change without notice.