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Nimbus Water Systems ULTIMATE HPA US 5 PRO Short Form Manual

Headphone amplifier

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HEADPHONE AMPLIFIER
NIIMBUS ULTIMATE SERIES
HPA US 5 PRO
Short Form Manual
THE REMOTE CONTROL FOR NIIMBUS HPA US 5 / PRO
Function
This remote control sends out infrared rays.
For that purpose there is a infrared LED on the front.
The remote control should point in direction of the target device to
obtain best functionality.
The operating distance is about 5 - 7 meters (15 – 20 ft).
With the " Volume + / -" buttons the volume of NIIMBUS
US 5 / PRO can be altered. This is done with a motor inside the amp
to get the volume knob into motion.
With the "Mute" button the internal mute function is engaged.
A direct "Mute" can only be released by the remote control.
With the "ANA + / -" buttons one of three inputs may be selected.
With the "HEAD OUTPUT" button the front panel headphone
outputs are activated or deactivated.
With the "LINE OUTPUT" button the line outputs on the back
panel are activated or deactivated.
All other buttons are not active in this unit.
If there is no interaction between the remote and the amp,
please see pages 11 an 22 in the manual !!
Short Manual NIIMBUS US 5 / PRO July 2024 F. Reim
Page 1

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Summary of Contents for Nimbus Water Systems ULTIMATE HPA US 5 PRO

  • Page 1 HEADPHONE AMPLIFIER NIIMBUS ULTIMATE SERIES HPA US 5 PRO Short Form Manual THE REMOTE CONTROL FOR NIIMBUS HPA US 5 / PRO Function This remote control sends out infrared rays. For that purpose there is a infrared LED on the front. The remote control should point in direction of the target device to obtain best functionality.
  • Page 2 POWER SUPPLY Mains power is provided via a three-pin IEC/CEE socket and mating "cold-appliance" mains cord with Schuko-type plug for units purchased in middle Europe. The device is set to 230V mains, whereas the actual voltage may vary between 190 and 240 volts for flawless operation.
  • Page 3 INPUT PRE-GAIN Settings can be made for the left and right channel, they shall not be different from each other. With these switches an additional gain or attenuation may be set. It is dependent on the output level of the input source and the sensitivity of the headphones connected.
  • Page 4: Balance Control

    BALANCE CONTROL is provided to compensate moderate level differences between left and right channel. These may root in the recorded material itself, noticeable differences between left and right headphone system, or differences in the user’s individual hearing. DE- / ACTIVATING THE HEADPHONE OUTPUTS and LINE OUTPUTS: - Pressing the "PHONES OUT"...
  • Page 5 THE LINE OUTPUTS THE UNBALANCED LINE OUTPUTS are located on the rear panel of the unit and are marked as “UNBAL OUT LEFT” and “UNBAL OUT RIGHT”. Gold-plated full metal premium RCA connectors are implemented here. THE BALANCED LINE OUTPUTS are located on the rear panel of the unit and are marked as “BAL OUT LEFT”...
  • Page 6 TECHNICAL DATA NIIMBUS HPA US 5 / PRO All values RMS unwtd., 20 Hz - 20 kHz, Pre-Gain set to 0 dB Input Parameter Inputs (stereo, analogue): 1 x XLR female, balanced 2 x RCA, unbalanced Max. input voltage: + 21 dBu Input impedance: 10 kohm Line Out Parameter...