| Content | 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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Plug In, Rock Out! The headphone guitar amp that lets you enjoy serious guitar sound, fast.
Jamming late at night? Donʼt want to wake the neighbors? Maybe you want to work out a lick with your MP3 player without taking the time to set up your amp. You want to play guitar right now. amPlug is the answer. Simply plug this palm-sized headphone guitar amp directly into your guitar, and enjoy serious guitar sound anywhere, anytime. The amPlug series received wide-ranging acclaim from guitarists around the world for delivering incredible guitar tone in a pocket-sized unit. The NEW amPlug 'Acoustic' quickly creates shimmering, rich acoustic guitar sounds. Two distinct sounds are available using the Fat/ Bright switch. The Blend combines the acoustic tone with the original signal for just the right mix! In combination with electric guitar's own tone controls and pickup selection, the sound variation is unlimited. The ultra-long battery life provides up to 27 hours of extended enjoyment! At home, in the studio and on the go, amPlug Acoustic delivers superb acoustic guitar sounds anytime, anyplace. 'Lead' is based on a US-made high-gain boutique amp, further modified for lead guitar. It also contains a digital delay effect, delivering a huge, spatial sound that could not be previously obtained, and giving you a rich and full-fledged lead sound that you can play anytime and anywhere. 'Bass' is modeled on VOX's classic AC100 bass amp, and expands its potential with a full-range tone that supports today's bass sounds. A compressor/boost effect provides not just compression but also a thick overdrive sound, giving you the perfect tones for performing in any style. Careful attention has been paid to the sound quality, and a high-quality FET buffer circuit has been used to obtain even greater dynamic range. The oringial models are still available in three different sound styles: VOX AC30, Classic Rock, based on a UK-made amplifier head, and Metal, based on a California-made high-gain amplifier head. Even with its ultra-compact size, amPlug perfectly reproduces the complex and warm distortion that is distinctive of a vacuum tube, as well as the powerful high gain produced by a large amp stack. Using all new analog modeling technology, amPlug delivers full-fledged amp sound. - Plugs directly into your guitar/ bass —a great-sounding headphone guitar amp that gives you serious sound fast.
- Now available in six styles: Lead, Bass, VOX AC30, Classic Rock, Metal and Acoustic.
- AUX in jack lets you jam along with your CD/MP3 player.
- 100% analog circuit faithfully simulates the response of the original amps.
- 'Lead' delivers hi-gain lead guitar sounds, plus a digital delay effect.
- 'Bass' features a full-range bass sound with a compressor/boost effect.
- AC30 emulates the AC30 top boost sound of a vintage VOX AC30.
- Classic Rock gives you the great high-gain sound of a UK-made 100W amp.
- Metal delivers the explosive roar of US high-gain metal sound.
- 'Acoustic' features Fat/Bright switch which offers two types of acoustic sounds.
- 'Acoustic' also features blend control which mixes the acoustic tones with your original signal for just the right mix.
- Up to 15 hours of battery life with two Alkaline AAA batteries.
- Quick and easy setup! Just connect amPlug to your guitar and enjoy serious sound.
With its completely analog design, great care was also taken with amPlug's gain circuitry. The 'AC30' uses two natural-sounding gain stages to reproduce the distinctive AC30 tone. 'Classic Rock' uses four classical gain circuits to deliver that great sound. 'Metal' uses two stages of ultra-high gain plus a mid-cut circuit, giving you modern metal high-gain sound anywhere and anytime. Even the circuit response of the original amp is simulated completely. The simulation extends not only to the response of the tone circuits, but also to the way in which the high frequency and gain are affected when you turn down the volume control of the guitar. Every detail has been faithfully reproduced. amPlug can be used in numerous ways
With up to twenty seven hours of battery life, it's easy to take amPlug anywhere. In addition to practicing at home, it's a great way to warm up before a live performance or on the road. And amPlug is not just a convenient way to get great guitar sound. There's also an AUX input jack so you can jam along with your CD/MP3 player. amPlug is your fastest ticket to great tone – anytime, anywhere! VOX amPlug Specificaitons - Power supply: two AAA batteries
- Battery life: with alkaline batteries: approximately 27 hours (with zinc-carbon batteries: approximately 10 hours.)
- Dimensions (W x D x H): 86 x 80 x 31 (mm), 3.39" x 3.15" x 1.22"
- Weight: 40g /1.41oz. (not including batteries).
- Included items: two AAA zinc-carbon batteries
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The amPlug Night Train perfectly simulates the high-gain sound of the compact VOX Night Train tube amp. Just as with the actual Night Train head, you can switch between the two preamp sounds. The BRIGHT position boosts the high-frequency range; the THICK position offers a chunkier, heavier sound. The emulated speaker cabinet circuit accurately recreates the sound of the Night Train amp being played through the matching V112NT single 12" Night Train speaker cabinet. As a finishing touch, amPlug Night Train share some of the cool looks of its namesake amplifier.
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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- Distributes the signal of 1 audio source to 4 sets of headphones
- 4 channels with separate level controls and headphone outputs
- All connections via 6.3 mm (1/4“) jacks
- Operation via supplied power unit
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INPUT: 1 audio stereo, 1Vpp/50kΩ on a 6.5mm stereo phone socket.
OUTPUTS: 5 audio stereo, 500mW/8Ω on 6.5mm stereo phone sockets.
AUDIO BANDWIDTH (-3dB): 25kHz.
CONTROL: 5 stereo output level controls (front), 1 mono switch (rear).
GAIN RANGE: -60dB to +10dB.
S/N RATIO: 78dB.
THD: 0.08% @100mW.
POWER SOURCE: 12V DC, 370mA nom, 1A max.
DIMENSIONS: 16.5cm x 12cm x 4.5cm (6.5” x 4.72” x 1.77”) W, D, H.
WEIGHT: 0.68kg (1.5lbs) approx.
ACCESSORIES: 12V DC power supply.
OPTIONS: RK-1 19" rack adapter.
| 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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