NUX NAP-5 Stageman Floor Acoustic Preamp and DI Pedal Owner’s Manual

June 6, 2024
NUX

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NUX NAP-5 Stageman Floor Acoustic Preamp and DI Pedal

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Copyright Copyright 2018 Cherub Technology Co. All rights reserved. NUX and Stageman Floor are trademarks of Cherub Technology Co. Other product names modeled in this product are trademarks of their respective companies that do not endorse and are not associated or affiliated with Cherub Technology Co.
Accuracy Whilst every effort has been made to ensure the accuracy and content of this manual, Cherub Technology Co. makes no representations or warranties regarding the contents.

WARNING!-IMPORTANT SAFETY INSTRUCTIONS BEFORE CONNECTING, READ INSTRUCTIONS

WARNING: To reduce the risk of fire or electric shock, do not expose this appliance to rain or moisture.

CAUTION: To reduce the risk of fire or electric shock, do not remove screws. No user-serviceable parts inside. Refer servicing to qualified service personnel.

CAUTION: This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. The lightning symbol within a triangle means “electrical caution!” It indicates the presence of information about operating voltage and potential risks of electrical shock. The exclamation point within a triangle means “caution!” Please read the information next to all caution signs.

  1. Use only the supplied power supply or power cord. If you are not sure of the type of power available, consult your dealer.
  2. Do not place near heat sources, such as radiators, heat registers, or appliances that produce heat.
  3. Guard against objects or liquids entering the enclosure.
  4. Do not attempt to service this product yourself, as opening or removing covers may expose you to dangerous voltage points or other risks. Refer all servicing to qualified service personnel.
  5. Servicing is required when the apparatus has been damaged in any way, such as when the power supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally or has been dropped.
  6. The power supply cord should be unplugged when the unit is to be unused for long periods of time.
  7. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and at the point where they exit from the apparatus.
  8. Prolonged listening at high volume levels may cause irreparable hearing loss and/or damage. Always be sure to practice “safe listening”.

Follow all instructions and heed all warnings KEEP THESE INSTRUCTIONS!

Overview

Stageman floor is from our popular Acoustic Amplifier~ Stageman. It’s a pure analog preamp with digital effects and looper function. People love the sound and functions, therefore we developed it into a compact size.
The Stageman floor uses a regular 9V adaptor like most pedals. We doubled 9V to 18V inside to create a huge dynamic range and ginormous headroom. Besides the warm preamp sound, we customized the Reverb and Chorus algorithm to be simple and useful with one knob control.
Adjustable input impedance could fit various pickups including piezo and magnetic ones. The Insert send/return jack could connect with our Atlantic Delay & Reverb input by TRS stereo cable, or Y-cable with other pedals you need for post effects. It offers AUX IN for playback, Earphone Out for silent practice (if you use Silent Guitar), and DI OUT for line out to PA system or mixer. The micro USB port is for firmware update.
No matter you are a busker, finger-style guitarist, session player, or working musician. Stageman floor encompasses all-natural acoustic tones you need on stage or in the studio.

Features

  • Input Gain Control.
  • 3-band EQ (Bass, Middle, and Treble).
  • Middle-Frequency Scoop Toggle.
  • Notch Filter ON/OFF Toggle Switch with Precision Adjustment Control. Effects: Chorus, Reverb, and Freeze.
  • Input Optimization Toggle for Piezo or Magnetic Pickups.
  • 60 Seconds Looper.

Control Panel

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REVERB knob Adjusts the amount of Reverb effect (mix and decay). If this is set to “OFF,” the reverb is not applied.
Press Chorus and Preamp footswitches simultaneously to enter/exit Loop Mode. When in Loop Mode, the Reverb knob controls the loop level.
CHORUS knob Adjusts the amount of Chorus effect (mix, depth, and rate). It’s a magic experience while you tweak it.
NOTCH knob Low cut filter to avoid feedback situation.|
GAIN knob Controls the preamp signal level.
BASS knob djust to boost or cut low frequencies.
MIDDLE knob Adjust to boost or cut Middle frequencies.
TREBLE knob Adjust to boost or cut high frequencies.
SCOOP toggle While Scoop toggle is “UP”, it cuts middle frequency.
NOTCH toggle Engages Notch function.
Chorus Foot Switch Engages Chorus function. Hold it for the Freeze function.
Preamp Foot Switch Engages Preamp function.

Loop Mode

  • Press Chorus and Preamp footswitches simultaneously to enter/exit Loop Mode.
  • Preamp foot switch becomes REC/PLAY/DUB control. Reverb knob becomes Loop level control.

nux fig 2

INPUT Use a shielded cable to connect a guitar to Stageman Floor. You can adjust the input signal according to the type of pickup used.|
PIEZO-MAGNETIC toggle Select according to the type of pickup you use.
LIFT toggle Disconnect the grounding pin from the ground. This is effective if noise is caused by a ground loop.
OUTPUT Connect to the amplifier, interface, or mixer.nux fig
3

INSERT Use TRS stereo cable to connect with other insert equipment or Y cable to send/return with other effects. (*The effect loop is serial.)
USB Connect to the computer for firmware update.
Power Input 2.1mm DC power, 9V

AUX IN Connect with audio devices for music playback.
EARPHONE Connect with earphones for silent practice or monitoring your sound.
DI OUT Balanced out to mixer or PA system.
NOTE:
Do not use 48V phantom power to connect with DI OUT.

Connecting Audio Equipment

nux fig 5

nux fig 6

Specifications

  • Input Impedance
  • Magnetic: 1MΩ
  • Piezo: 4.7MΩ
  • Send Impedance: 1kΩ
  • Return Impedance: 1MΩ
  • Sampling Rate: 44.1kHz
  • A/D Converter: 32bit
  • Signal Processing: 32bit
  • Frequency Response: 20Hz~20kHz – ±1dB
  • Noise Level: -110dBu (A-Weighting)
  • Dynamic Range: 120dBu
  • Current Draw: 180mA
  • EQ: TREBLE ±10dB @ 15kHz
  • MIDDLE ±10dB @ 1.8kHz
  • BASS ±10dB @ 80Hz
  • Power: 9V DC(Negative tip, Optional ACD-006A adapter) Dimensions: 105mm(L) x 115mm(W) x 58mm(H) Weight: 445g

Accessories: User manual
*Specifications and features are subject to change without notice.

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