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- Very compact headphone amplifier for in-ear monitoring
- XLR and jack input (combined, lockable)
- 3.5 mm Mini-jack jack for earphones
- Built-in stereo / mono source switch
- Volume control with on / off switch
- Operation up to 12 hours with 2 AAA batteries or rechargeable batteries (not included, suitable batteries: Article Nr. 417474)
- Dimensions (H x W x D): 33 x 38 x 132 mm
- Weight: 0.140 kg
- Includes belt clip
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Το HP-4 της Presonus είναι η απάντηση στην ανάγκη για πολυκάναλο επαγγελματικό προενισχυτή ακουστικών, σε μικρό μέγεθος και προσιτή τιμή. Διαθέτει 4 εξοδους ακουστικών στο μπροστινό μέρος και η κάθε μια έχει το δικό της ποντεσιόμετρο για την αυξο,είωση της έντασης του ήχου και 150mW προενίσχυσης ανά κανάλι. Το HP-4 επίσης διαθέτει και volume control για τα monitor στο control room, διακόπτη monitor mute και διακόπτη mono προσφέροντάς σας έτσι μια πανίσχυρη και ολοκληρωμένη monitoring λύση σε μια απίστευτα χαμηλή τιμή.
| 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.
- Model Name: LDHPA1
- Product Type: headphone amplifier
- Type: 1-channel stereo
- Inputs: Main Input (Stereo), 1 x Aux In (Stereo)
- Input Connections: XLR-F (L + R Input, balanced), 3.5 mm stereo jack (Aux In)
- Input Impedance: 6 kOhm (XLR In), 10 kOhm (3.5 mm jack)
- Input Sensitivity: 3 dBu (XLR In), -6 dBV (3.5 mm jack)
- Max. Input Level: 16 dBu (XLR In), 7 dBV (3.5 mm jack)
- Protection Circuits: Audio Limiter, Max. Input leveling, Power OFF -Mute relay
- Headphone Outputs: 1
- Headphone Output Connectors: 3.5 mm stereo jack
- Power Output: 2 x 1.65 Vrms / 1% THD 33 Ohm Load
- Minimal Connected Impedance per Channel: 16 ohms
- Frequency Response: 20 Hz - 40,000 Hz
- THD 1 kHz Sine: 0.04%
- Controls: Power/Volume, Balance L/R, Stereo/Mono (Focus) switch,
- Indicators: Signal (Green) / Peak (Amber), Battery (low battery: red) / Power LED (Power ON: green)
- Power Supply: 9 V DC block battery, DC jack
- Operating Voltage: 9 V DC
- Power Consumption: Nom. 70 mA / Max. 150 mA
- Housing Material: plastic
- Housing Surface: soft-touch
- Housing Colour: black
- Width: 80 mm
- Height: 42.5 mm
- Depth: 133 mm
- Accessories (included): belt clip, 1 m 3.5 mm stereo jack cable
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Μίνι ενισχυτής ακουστικών για κιθάρα, με τεχνολογία analog modeling εξομοίωσης με κύκλωμα Night Train amp. Είσοδος AUX για σύνδεση με εξωτερική πηγή ήχου. Λειτουργία με 2xAAA μπαταρίες.
Specifications - Controls: Gain, Tone, Volume; STANDBY/ON/FX switch
- Terminals: PHONES Jack (stereo), AUX In Jack (stereo)
- Power supply: AAA batteries (x 2)
- Battery life: amPlug Night Train:
- With zinc-carbon batteries: approximately 9 hours
- With alkaline batteries: approximately 24 hours
- Dimensions (W x D x H): 86 x 80 x 31mm/3.39" x 3.15" x 1.22“
- Weight: 40 g/1.41 oz. (not including batteries)
- Included items: AAA batteries (X2) (for verifying operation)
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Μίνι ενισχυτής ακουστικών για κιθάρα JOE SATRIANI signature, με τεχνολογία analog modeling εξομοίωσης με κύκλωμα High-Gain UK amp. Είσοδος AUX για σύνδεση με εξωτερική πηγή ήχου. Λειτουργία με 2xAAA μπαταρίες.
Specifications -
Power supply: AAA batteries (x 2)
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Battery life (FX on):
Zinc-carbon batteries: approximately 3 hours
Alkaline batteries: approximately 11 hours
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Dimensions (W x D x H): 86 x 80 x 31mm/3.39" x 3.15" x 1.22"
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Weight: 40 g/1.41 oz. (not including batteries)
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Included items: Two AAA batteries (for verifying operation)
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LDHPA6 6-Channel Rackmount Headphone Amplifier
The LD Systems HPA 6 is a highly flexible 1U 19" rack format headphone amplifier with 6 fully independent channels and comprehensive features for a wide range of professional audio monitoring applications.
Each channel provides a 6.3 mm TRS headphone output on the front panel with level control, mono/stereo switching, discrete left/right muting and a 6.3 mm TRS Aux input with Main/Aux balance control for mixing in further signal sources. Four-segment LED meters permit visual output level monitoring, and two 6.3 mm TRS outputs per channel on the rear allow for connecting a total of 18 headphones.
The HPA 6\'s main section features a master level control with eight-segment LED metering and 6.3 mm TRS input to mix in an additional source with all channels. The rear panel provides the main stereo inputs on balanced XLR and 6.3 mm TRS connectors and stereo outputs for daisy chaining multiple units.
- Type: 6-channel
- Inputs: Main Input (Stereo), Direct In (Stereo), 6 x Aux In (Stereo)
- Input Connections: XLR and 6.3 mm jack L&R (Main Input, balanced), 6.3 mm stereo jack (Direct In), 6.3 mm stereo jack (Aux In)
- Input Impedance: 13 kOhm
- Line Outputs: Main Output (stereo, balanced)
- Line Output Connectors: XLR and 6.3 mm jack L&R
- Headphone Outputs: 6 x 3
- Headphone Output Connectors: 6.3 mm stereo jack
- Power Output: 6 x 125 mW
- Minimal Connected Impedance per Channel: 8 ohms
- Frequency Response: 20 Hz - 20.000 Hz
- Controls: Main Input Level, 6 x Input Mix Main/Aux, 6 x Headphone Level, 6 x Mono Switch, 6 x Mute L&R, Power
- Indicators: Main Input/Direct In Level Meter (8-segment LED chain), 6 x channel level meter (4-segment LED chain), 6 x mono LED, 6 x Mute L&R LEDs, Power LED
- Power Supply: IEC power socket
- Operating Voltage: 220 - 240 V AC, 50 - 60 Hz / 110 - 120 V AC, 50 - 60 Hz
- Power Consumption: 40 W
- Cabinet Material: metal
- Cabinet Surface: painted
- Width: 483 mm
- Height: 44 mm
- Depth: 217 mm
- Accessories (included): power cord
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