Leema Acoustics has launched a special Anniversary Edition of its Hydra II power amplifier, celebrating 10 years since its classic amplifier made its debut.
The new Hydra II Anniversary Edition is a significantly upgraded version of the popular original say the Welsh based company. The enhanced amplifier has been sympathetically improved and updated by Leema Acoustics’ co-founder Lee Taylor, who has returned to the original design and refined it for greater sonic performance, with Taylor revisiting the key areas of circuitry that define character and sound quality delivery.
In addition to multiple internal upgrades, the Anniversary Edition also benefits from a number of aesthetic enhancements to include a new front panel with a machined and chrome-plated solid billet Leema Delta logo, and an ‘ANNIVERSARY EDITION’ badge.
About the Hydra II Anniversary Edition power amp
The Hydra II Anniversary Edition is an intelligent, bridgeable stereo power amplifier incorporating many developments pioneered in Leema’s legacy reference-grade monoblock, the Altair IV. The Hydra II Anniversary Edition is both highly flexible and hugely powerful. Its dual-mono design uses two massive toroidal power transformers, one for each channel, together with a separate transformer for the control circuitry.
The output stage benefits from very low output impedance. This, coupled with a high current capability, ensures “vice-like grip and precise control” of loudspeakers, even at very high levels. Full LIPS® implementation (Leema’s proprietary communication system) allows for flexible integration with other Leema Acoustics products.
Anniversary Edition upgrades in detail
Internally, the amplifier features upgraded printed circuit boards with twice the amount of copper to further reduce the resistance of PCB traces and improve power delivery. All relevant capacitors have been upgraded to Nichicon’s high-quality audio-grade MUSE Series and the PCB-to-speaker-terminal wiring is Leema’s Reference 2 cable which features 16 woven cores plus multi-strand high-purity copper with individual strand silver-plate.
All transistors are hand-selected and precision-matched in amplifier sets for optimal performance and the lowest distortion. The power amplifier transformers are Noratel ‘xtra quiet’ units, ensuring perfect power delivery without undesirable hum or excessive heat-generation.
In a further nod to the amplifier’s Anniversary Edition status, Leema has included a number of additional documents. Each amplifier will be supplied with a passport-style system of documentation integrated into the manual, where three key stages of production are signed off by the engineer responsible along with the inclusion of the unit’s measured results.
Specifications
• Output power non-bridged mode: 148W rms 8 Ohms/Ch; 292W rms 4 Ohms; 320W rms 2 Ohms/Ch
• THD: 0.004%
• Noise: < -100 dB
• Frequency response: 5Hz – 80kHz (+0/-3 dB)
• Number of balanced inputs (XLR): 1
• Number of un-balanced inputs (RCA): 3
• Pre-out outputs: 1
• Thermal protection: Yes
• LIPS® system: Master or slave
• Dimensions: 440x320x110mm
• Weight: 18Kg
Price and availability
The Hydra II is available now priced at £4,795 and is offered in black/silver
Note: the upgraded version will be available alongside the standard version which sells at £3,795
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