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Description
The LD Systems HPA 1 is a versatile headphone amplifier with high power output for the stage, studio, and home recording and is the perfect solution for wired in-ear-monitoring.. The compact device in a rugged, ergonomically shaped plastic housing with a soft-touch surface and the practical belt clip is very extensively equipped.
In addition to locking XLR connectors for the stereo signal L/R input, the HPA 1 has a balanced 3.5 mm stereo jack as AUX input, which can be used in parallel for clicks or playback. It is protected for a safe operation against excessive input levels; a hollow pin socket with negative internal contact enables the connection of a network adapter for fixed operation.
A 3.5 mm stereo jack is provided as an earphone and headphone output. Volume level and balance can be set with easy-grip knobs, a push-button switches between the summed mono and stereo signals. A full-fledged limiter is integrated for distortion-free playback and as protection against feedback.
The LD Systems HPA 1 has bi-color LEDs to facilitate the features overview, which displays the response of the limiter during peaks and the battery status. At 165 grams, the headphone amplifier is distinctly light-weight and can be operated for up to 12 hours thanks to a high quality 9 V block battery.
Product Specifications:
Product Type: Headphone Amp
Inputs: 2
Inputs: AUX In (Stereo)
Input Connectors: 3.5 mm stereo jack (AUX In) , XLR-F (L + R Input, balanced)
Input Impedance: 10000 (3.5 mm jack) Ohm(s) , 6000 (XLR In) Ohm(s)
Input Sensitivity: -6 (3.5 mm jack) dBV, 3 (XLR In) dBu
Max. Input Level: 7 (3.5 mm jack) dBV, 16 (XLR In) dBu
Protection Circuits: Audio Limiter, Max. Input leveling , Power OFF - Mute relay
Headphones Outputs: 1
Headphones Outputs: 3.5 mm TRS
Power Output (1% THD @ 33 Ohm Load): 2 x 1,65 Vrms
Minimum Connected Impedance: 16 (per channel) Ohm(s)
Frequency Response: 20 - 40000 Hz
Total Harmonic Distortion (THD): 0.04%
Controls: Balance L/R , Power / Volume , Stereo/Mono (Focus) switch
Indicators: Battery (low battery: red) , Peak (Amber) , Power LED (Power ON: green) , Signal (green)
Operating Voltage: 9 V block , 9 V DC power supply
Operating Voltage: 9 V DC
Current Draw: Nom. 0.07 A / Max. 0.15
Cabinet Material: Plastic
Cabinet Surface: Soft-touch
Cabinet Color: Black
Width: 80 mm
Height: 42.5 mm
Depth: 133 mm
Weight: 0,155 kg
Accessories (included): Belt clip
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Available Rebates for LD Systems HPA 1, Amplifier For Headphones And Wired IEM
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