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Laiv Harmony HP2A – Hochwertiger, Ausgeglichener, Class A Kopfhörerverstärker und Vorverstärker
Der Laiv Harmony HP2A ist ein erstklassiger Kopfhörerverstärker und Vorverstärker, der kompromisslose Leistung in Kopfhörer- und Stereoanlagen bietet. Mit seinem vollsymmetrischen Class-A-Design, der diskreten Hochleistungs-Endstufe und der präzise abgestimmten, auf Widerständen basierenden Lautstärkeregelung ist der HP2A das ideale Herzstück für jedes High-End-Audiosystem.
Precision Volume Control
The HP2A uses a stepped resistor ladder volume control, constructed from precisely matched resistors for each volume step. This solution ensures low noise, perfect channel balance, and minimal signal degradation. Unlike traditional potentiometers, this system guarantees constant, predictable operation across the entire volume range—crucial for both headphone and speaker use.
Fully Balanced Class A Preamplifier
The true balanced Class A topology results in minimal noise, crosstalk, and distortion. Each channel operates with separate positive and negative signal paths and runs continuously in Class A, delivering exceptionally linear, transparent, and dynamically rich sound. The HP2A is not only an outstanding headphone amplifier but also serves as a reference-level preamplifier.
Discrete Headphone Amplifier with EXICON MOSFETs
The headphone amplifier section uses 4 EXICON MOSFETs per channel in a discrete Class AB configuration. This output stage delivers high current capability, low distortion, and excellent thermal stability. The result is powerful, clean, and dynamic sound that easily drives both high- and low-impedance headphones.
EXICON MOSFET Technology
EXICON lateral MOSFETs are chosen for their high linearity, fast transient response, and natural harmonic character. These transistors provide a smooth, detailed, and musically natural sound signature, making the HP2A an excellent choice for critical listening with any headphone or music genre.
Selectable Output Modes
Users can easily switch between three operating modes using the front panel controls:
- Headphone amplifier only
- Preamplifier only
- Headphone amplifier and preamplifier simultaneously
This allows the HP2A to be flexibly integrated into various systems, from desktop headphone setups to dedicated hi-fi chains.
Headphone Output Versatility
The HP2A offers multiple headphone connection options:
- Balanced XLR4
- Balanced 4.4 mm Pentaconn
- Unbalanced 6.35 mm (1/4”)
This design ensures compatibility with most high-end headphones, including planar magnetic and dynamic driver models.
Dual OLED Displays and Intuitive Interface
The front panel features two OLED displays showing the input source, volume level, and current operating mode. The intuitive interface offers a clean, elegant look. The single rotary encoder ensures precise and pleasant volume and menu navigation.
Ergonomics and Protection Features
- Anti-slip spike pads on top for secure stacking
- Configurable volume limit for startup protection
- Intelligent protection circuit against DC offset, overheating, and overload
- Stepwise, finely tuned rotary encoder control
These solutions reflect Laiv’s commitment to safety and everyday usability, even in high-end environments.
Modular Input Expansion via Harmony LExt
The HP2A supports Laiv’s modular LExt input system. Through the LE-LINK connection, users can insert the following expansion modules into the device:
- LExt PHONO: high-quality phono stage
- LExt IN2: one balanced XLR and one unbalanced RCA input
- This modular solution enables the HP2A to remain future-proof and flexible
The 12V trigger input and output allow the HP2A to synchronize with other devices, such as the Laiv Harmony DAC or third-party amplifiers. This way, the entire system can be powered on and off simultaneously, simplifying control even in complex setups.
Unified Remote Control with Harmony DAC
The HP2A uses the same remote control protocol as the Laiv Harmony DAC, so both devices can be controlled with a single remote. This shared control enhances usability and system integration.
Design and Build Quality
The chassis is made of black anodized aluminum with elegant gold accents. The HP2A’s appearance is minimalist yet luxurious, perfectly fitting any high-end audio environment. The construction is robust, reflecting precise engineering.
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Technical Specifications:
| Specification | Value |
|---|---|
| Analog Inputs | 1 x Balanced XLR, max. 16 Vrms, approx. 94 kΩ; expandable with Harmony LExt module |
| Preamplifier Outputs | 1 x XLR, approx. 200 Ω; 1 x RCA, approx. 100 Ω |
| Headphone Outputs | 1 x Balanced 4-pin XLR, approx. 0.07 Ω; 1 x Balanced 4.4 mm jack, approx. 0.07 Ω; 1 x Unbalanced 6.35 mm jack, approx. 0.035 Ω |
| Gain | 0 dB (Preamplifier output); 13.7 dB (Headphone balanced output); 7.7 dB (Headphone unbalanced output) |
| Output Voltage | ≤ 3.8 Vrms (Preamplifier balanced); ≤ 1.8 Vrms (Preamplifier unbalanced); ≤ 19.2 Vrms @ 4V source – 61.0 Vrms @ 12.5V source (Headphone balanced); ≤ 8.5 Vrms @ 4V source – 30.5 Vrms @ 12.5V source (Headphone unbalanced) |
| Output Power | ≤ 11.8 W (Headphone balanced); ≤ 2.8 W (Headphone unbalanced) |
| Frequency Response | 15Hz – 80kHz, ±3 dB (Preamplifier); 10Hz – 80kHz, ±3 dB (Headphone amplifier) |
| Total Harmonic Distortion + Noise (THD+N) | 0.005% (Preamplifier); 0.01% (Headphone amplifier) |
| Crosstalk | ≤ -120 dB (Preamplifier balanced); ≤ -100 dB (Preamplifier unbalanced); ≤ -100 dB (Headphone balanced); ≤ -65 dB (Headphone unbalanced) |
| Signal-to-Noise Ratio (SNR) | ≥ 125 dB (Preamplifier balanced); ≥ 110 dB (Preamplifier unbalanced); ≥ 110 dB (Headphone balanced); ≥ 100 dB (Headphone unbalanced) |
| Noise Level | ≤ 5 µVrms (Preamplifier balanced); ≤ 8 µVrms (Preamplifier unbalanced); ≤ 50 µVrms (Headphone balanced); ≤ 40 µVrms (Headphone unbalanced) |
| Power Consumption | ≤ 0.5 W in standby; ≤ 8.0 W in preamplifier mode; ≤ 23.0 W in headphone amplifier mode |
| Fuse | 3.15A, slow-blow, 5 x 20 mm |
Key Features
- True balanced Class A discrete preamplifier
- Precision discrete resistor ladder stepped volume control
- Discrete headphone amplifier with EXICON MOSFETs
- Selectable output modes: preamplifier, headphone amplifier, or both
- Multiple balanced and unbalanced headphone outputs
- Dual OLED displays for intuitive interface
- Modular expandability via Harmony LExt input modules
- 12V trigger input/output for system integration
Box Contents:
- Welcome card with certificate of authenticity
- Harmony HP2A
- Three spike pads with alignment template
- Remote control (CR2032 battery not included)
- Power cable
- Cleaning cloth
Hersteller
LAIV
Exact color
Black
Model
Harmony HP2A
Jack
6.3mm, 4.4mm
Bluetooth
No
Package contents
Greeting card with authentication certificate
Harmony HP2A
Three spiked legs with alignment card
Remote control (CR2032 battery not included)
Power cord
Cleaning cloth
Remote controller
YES
Distortion
0.005% (Preamp) 0.01% (Headphone amplifier)
Frequency response
15Hz – 80kHz, ± 3 dB / 10Hz – 80kHz, ± 3 dB
Signal to Noise ratio
125dB (Preamp Balanced) ≥ 110dB (Preamp Single Ended) ≥ 110dB (Headphone Balanced) ≥ 100dB (Headphone Single Ended)
Gain
0 dB (Preamp output) 13.7 dB (Headphone balanced output) 7.7 dB (Headphone single ended output)
Connectors
- 4.4mm Bal -RCA-XLR -XLR 4-Pin Bal -XLR Bal- 6.35mm Headphones
Artikel-Nr.
LAIV-HARMHP2A-BLACK
Gewicht
7,63 kg/stück
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