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Amplificador para auscultadores e monição in-ear de cabo
The LD Systems HPA 1 is a versatile headphone amplifier with high power output for 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 soft-touch surface and 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 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 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-colour 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.
· Inputs: 2, 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: Power OFF - Mute relay, Max. Input leveling, Audio Limiter
· Headphones ouputs: 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 - 40000Hz
· Controls: Balance L/R, Stereo/Mono (Focus) switch, Power / Volume
· Indicators: Peak (Amber), Power LED (Power ON: green), Battery (low battery: red), Signal (green)
· Operating voltage: 9 V DC power supply, 9 V block, 9 V DC
· Power consumption: Nom. 0.07 A / Max. 0.15A
· Cabinet material: plastic
· Cabinet surface: Soft-touch
· Cabinet colour: black
· Width: 80mm
· Height: 42.5mm
· Depth: 133mm
· Weight: 0.155kg
· Accessories (included): belt clip