LEEMA’S NEW QUANTUM-RANGE NEUTRON AND GRAVITON AMPLIFIERS ARE HERE

25 years in the making, the first new products from Leema Acoustics’ new Quantum range are now available.

Welsh HiFi brand Leema Acoustics first unveiled their Quantum range at the North West Audio Show last year, and they have since been seen and heard at other HiFi Shows.

LEEMA QUANTUM NEUTRON AND GRAVITON AMPS

Now officially available, read on for full details, and UK pricing for the new Neutron preamp and Graviton power amp.

The new Quantum collection forms the first all-new Leema Acoustics range in over a decade and has been entirely designed, engineered and built in the Welshpool factory in Powys, Wales, overseen by Leema Acoustics’ co-founder and ex-BBC sound engineer, Lee Taylor.

CONSTELLATION SERIES

Quantum borrows heavily from the company’s flagship Constellation series and has been repackaged in order to greatly improve affordability. The casework is simpler, single transformers replace multi-transformers, and the board assembly has been simplified with no loss of component quality.

BESPOKE IN HOUSE CIRCUIT BOARDS

Leema Acoustics famously manufactures its own circuit boards at its UK factory. The majority of the PCB components are shared with the Constellation series allowing economies of scale to directly benefit the new Quantum range.

LEEMA QUAMTUM NEUTRON PRE AMPLIFIER

The Neutron is a modern preamp that perfectly distils Leema Acoustics’ 25-year UK manufacturing experience into an affordable audio ‘hub’. Designed to be as transparent as possible, while offering great flexibility with 13 inputs, the Neutron introduces Leema Acoustics’ latest circuit designs, featuring reference-standard low crosstalk for enhanced transparency.

PHONOSTAGE AND DAC

For vinyl enthusiasts, the Neutron offers an exceptionally high-quality switchable MM/MC phono stage, based on Leema Acoustics’ proprietary design. The preamp also benefits from an advanced asynchronous ESS 24-bit/192 kHz USB DAC, a dedicated headphone amplifier, plus a high-end Burr-Brown analogue volume control.

INPUTS AND OUTPUTS

Neutron includes a generous 13 (nameable) inputs: 4x RCA and 1x XLR; 1x MM/MC phono stage; 3x optical; 3x coaxial and 1x USB. Outputs include: fixed-level record; 2x dedicated subwoofer; a high-quality dedicated headphone amplifier, plus a 12 V trigger.

LEEMA GRAVITON STEREO POWER AMPLIFIER

The Graviton stereo power amp benefits from what Leema says “could be the biggest toroidal power supply ever seen at its price point!”.

CLASS A/B DESIGN

A Class A/B design, offering 150 watts per channel into 8 ohms and 260 watts into 4 ohms, the Graviton’s high-current topology deploys six output transistors per channel.

“Quantum takes much of the Leema Acoustics’ Constellation product design, yet simplified to meet a more affordable price point. However, no compromises have been made where it really counts: the onboard phono stage is cloned directly from the award-winning Essentials Phono, USB is handled via an XMOS interface rather than the Leema M1 module, signal switching is via gold-palladium relays, not solid state, plus volume is regulated via an analogue resistor ladder; Leema Acoustics has used this method for nearly 25 years. The Neutron preamp’s balanced (XLR) connection is included to maximise interconnection quality and with a startling 13 input sources, including USB, phono, optical and coaxial, balanced and unbalanced analogue are offered to facilitate easy system integration. The Graviton has an over-specified single transformer supply and six matched Toshiba output transistors per channel, allowing high instantaneous current delivery for superior transient capability and long-term reliability. Dual speaker binding posts are included to allow easy bi-wiring, plus line level loop through-outputs for bi-amping”. Leema Co-Founder Lee Taylor

LEEMA QUANTUM NEUTRON AND GRAVITON PRICING

All Quantum-range devices benefit from UK-made casework available in brushed black or silver finishes, with solid aluminium precision-machined front panels and control dials.

Neutron £1,500; Graviton £1,500. Bought together: £2,800. Available now.

HiFi PiG Says: It is fantastic to see the new Leema Quantum Graviton and Neutron available, there has been some very excited audiophiles waiting to get their hands on them.