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Experience music as it is.
QUEST
Pre-amplifier Reimagined
Completely redefines what the preamplifier’s can and should do in your system
The Quest aims to be the perfect preamplifier to accompany the Rei amplifier and the cables lineup, completing the connection between your audio source and speakers. It sets out to redefine how a preamplifier contributes to the system and extracts the maximum potential from both the recorded music and the music reproduction system.
During the inception of the project, we extensively questioned the role of the preamplifier in an audio system and challenged whether it is truly necessary. We sought to understand the qualities that an added stage can bring and how it can improve the outcome. With a fresh start, we thoroughly investigated the relationship between the source and the amplifier, carefully examining each section of the preamplifier to improve every part and explore the synergy between them.
The Quest represents our dedication to optimizing the preamplifier’s performance and its integration within the system. We have pushed the boundaries of conventional design and reimagined the possibilities. By meticulously refining each aspect, we aim to enhance the signal path and uncover new levels of performance.
Join us on this sonic journey as we challenge the status quo, redefine the preamplifier’s role, and unlock the true potential of your music reproduction system.
TRUE MINIMALIST APPROACH
The industrial and electronic design of the Quest reflects the WestminsterLab tradition. It keeps unnecessary features and ornaments to a minimum, delivering a pure musical and user experience.
No fancy color display, UV meter, or distracting items. Prepare to rediscover your music.
Hybrid Grounding
Technology
The ground design and grounding scheme of the Quest have a significant impact on its performance, especially when dealing with delicate signals. We have put tremendous effort into designing the grounding of the Quest, resulting in the development of a new grounding scheme called Hybrid Grounding.
This scheme allows users to switch between two grounding modes on the fly, enabling them to configure their Quest specifically for their system and consider the grounding scheme as a whole. With Hybrid Grounding, users have the flexibility to optimize the Quest’s performance by adapting the grounding configuration to their unique needs and preferences. This innovative feature enhances the overall audio experience and ensures that the Quest delivers exceptional sound quality. Compartmentation and Shielding
We have gone to the ends of the world and taken extensive measures to protect the fragile signals passing through the Quest. Many signal handling relays feature a soft start mechanism, and sections within the unit are isolated and compartmentalized, ensuring that cross-interference is minimized. For customers who want the best of the best, they can choose to purchase the extended carbon fiber option, which adds an additional layer of carbon fiber shielding inside the unit.
Expandable Future
We have gone to the ends of the world and taken extensive measures to protect the fragile signals passing through the Quest. Many signal handling relays feature a soft start mechanism, and sections within the unit are isolated and compartmentalized, ensuring that cross-interference is minimized. For customers who want the best of the best, they can choose to purchase the extended carbon fiber option, which adds an additional layer of carbon fiber shielding inside the unit.
At the rear of the unit, there are two slots specifically designed to accommodate future expansion modules. These slots offer users the flexibility to incorporate additional input functions into the unit by designing and installing custom modules. These expansion slots serve as a forward-thinking feature, allowing for easy and seamless integration of new functionalities as they become available.
With these expansion options, users can enhance the capabilities of the unit to meet their evolving needs without the need for purchasing an entirely new device. This future-proof design ensures that the unit remains adaptable and compatible with emerging technologies, providing a cost-effective and versatile solution for users.
INTERNATIONAL AWARDS
SPECIFICATIONS
Distortion: <0.0001% @ 1kHz
Signal-to-Noise Ratio: >120dB, unweighted
Input:
3 sets of balanced XLR input
2 optional modules
Input Impedance: 51 kΩ
Input Voltage: 6Vrms
Frequency Response: 2Hz to 100kHz, 0.1dB
Outputs:
2 sets of balanced XLR outputs
Output Voltage: 12Vrms
Channel Separation: >120dB
Gain: 6.5dB
Volume Control Range: 0 to -63dB / Mute
Dimensions: W470 x H110 x D392 mm
Weight: 13.2KG
OPTIONAL MODULE SPECIFICATIONS
DS Audio Equaliser
Input: 1 set of unbalanced RCA input
Gain: 27dB
Compatibility: All DS Audio cartridges. DS Audio certified equaliser.
Outputs: 19pin proprietary socket
MC/MM Phono
Input:
1 set of balanced XLR input or
1 set of unbalanced RCA input
Input Impedance: 60Ohm to 47kOhm ( 18 steps )
Loading Capacitance: 22pF to 322pF ( 5 steps )
Gain: 40dB to 70db ( 4 steps )
Compatibility: Variety of modern and vintage MC/MM/MI cartridges.
Outputs: 19pin proprietary socket
RCA Input
Input: 1 set of unbalanced RCA input
Input Impedance: 51 kΩ
Input Voltage: 6Vrms
Frequency Response: 2Hz to 100kHz, 0.1dB
Outputs: 19pin proprietary socket
Gain: 6dB
REI
Purebred
WestminsterLab
Similar faces, smaller chassis. Perfection for all.
The Rei gives you a new perspective to Rediscover your Music.
A new persepctive in rediscovering your music
The development of the Rei amplifier began when we realized the overwhelming love and admiration people had for the UNUM amplifier. Witnessing the joy and excitement it brought to enthusiasts, we embarked on the formidable task of creating a new iteration that would be more accessible in terms of affordability, while preserving the essence and uncompromising performance that made UNUM exceptional. Our goal was to bring the cutting-edge technology and sonic experience of UNUM to a wider audience. With unwavering dedication, we approached this endeavor, meticulously designing and engineering every aspect of the Rei amplifier. We left no stone unturned in our pursuit of excellence, ensuring that the Rei delivers the same exceptional performance, musicality, and immersive experience as its predecessor, while being accessible to a broader range of users.
No compromises were made in our relentless pursuit of perfection. From the initial concept to the final product, we remained committed to delivering uncompromising audio quality, meticulous craftsmanship, and exceptional value. By leveraging our expertise and pushing the boundaries of innovation, we successfully created the Rei amplifier as a testament to our unwavering commitment. With the Rei, we aim to enrich the lives of more music lovers by offering a high-performance amplifier that surpasses expectations and captivates the senses. It is our firm belief that everyone deserves to experience the transformative power of music, and the Rei amplifier is our way of bringing that extraordinary experience to a wider audience.
NO ORDINARY CLASS A
Based on the legendary UNUM, the REI is operating at Class A, with output all the way up to 400watt.
Not The Typical Class A
The Rei amplifier distinguishes itself through the implementation of WestminsterLab’s proprietary iBias and CCS systems, which have significant electronic implications. With these technologies, the Rei achieves a notably faster warm-up time compared to typical Class A amplifiers. The iBias technology dynamically adjusts the bias, taking into account the current and load of the amplifier.
This innovative approach enables the Rei to deliver the coveted benefits of Class A amplification without the typical drawbacks. Its ability to maintain optimal performance while mitigating issues associated with heat generation and power consumption makes the Rei truly exceptional. Prepare to experience a unique sonic journey, where the Rei combines cutting-edge technology with unparalleled sound quality, surpassing expectations in every way. A new page in transistors matching
The Rei amplifier distinguishes itself through the implementation of WestminsterLab’s proprietary iBias and CCS systems, which have significant electronic implications. With these technologies, the Rei achieves a notably faster warm-up time compared to typical Class A amplifiers. The iBias technology dynamically adjusts the bias, taking into account the current and load of the amplifier.
This innovative approach enables the Rei to deliver the coveted benefits of Class A amplification without the typical drawbacks. Its ability to maintain optimal performance while mitigating issues associated with heat generation and power consumption makes the Rei truly exceptional. Prepare to experience a unique sonic journey, where the Rei combines cutting-edge technology with unparalleled sound quality, surpassing expectations in every way.
Power, Power and Power
The Rei amplifier distinguishes itself through the implementation of WestminsterLab’s proprietary iBias and CCS systems, which have significant electronic implications. With these technologies, the Rei achieves a notably faster warm-up time compared to typical Class A amplifiers. The iBias technology dynamically adjusts the bias, taking into account the current and load of the amplifier.
This innovative approach enables the Rei to deliver the coveted benefits of Class A amplification without the typical drawbacks. Its ability to maintain optimal performance while mitigating issues associated with heat generation and power consumption makes the Rei truly exceptional. Prepare to experience a unique sonic journey, where the Rei combines cutting-edge technology with unparalleled sound quality, surpassing expectations in every way.
Ultra thick PCB
The Rei amplifier distinguishes itself through the implementation of WestminsterLab’s proprietary iBias and CCS systems, which have significant electronic implications. With these technologies, the Rei achieves a notably faster warm-up time compared to typical Class A amplifiers. The iBias technology dynamically adjusts the bias, taking into account the current and load of the amplifier.
This innovative approach enables the Rei to deliver the coveted benefits of Class A amplification without the typical drawbacks. Its ability to maintain optimal performance while mitigating issues associated with heat generation and power consumption makes the Rei truly exceptional. Prepare to experience a unique sonic journey, where the Rei combines cutting-edge technology with unparalleled sound quality, surpassing expectations in every way. INTERNATIONAL AWARDS
SPECIFICATIONS
Rei – Class A Amplifier
Power
100 watts @ 8Ω
200 watts @ 4Ω
400 watts @ 2Ω
Power ( Bridged )
400 watts @ 8Ω
800 watts @ 4Ω
Frequency Response
5 Hz to 40 kHz, ±0.1 dB
2Hz to 52 kHz, -1 dB
Distortion
(100 watts @ 8Ω)
<0.1% @ 1 kHz
Signal-to-Noise Ratio
104 dB, A-weighted
Input
1 balanced XLR input
Output
1 balanced XLR output
Input Impedance
200 kΩ
Output Impedance
0.018Ω
Dimensions
W232 x H112 x D320 mm
Weight
16KG
MONOLOGUE
Rediscover vinyl
from a new perspective
Find out what really hides within the groves with the Monologue
Think Vinyl,
Then Think Again.
The signal from the stylus, whether it’s MC (Moving Coil), MM (Moving Magnet), or even DS Audio, is incredibly delicate. As a result, it requires extra care and attention to maintain its musical integrity. Recognizing this, we have developed a whole new design philosophy for the Monologue. Our approach encompasses everything from the power supply design and selection of passive and active components to the overall architecture of the unit.
In typical passive signal handling components, there is a measurable loss when a musical signal passes through them. However, this loss is usually negligible because the signal is large and the current is high, making the slight loss insignificant. However, when it comes to vinyl, the situation is completely different.
To address this unique challenge, we have collaborated extensively with specialized manufacturers to develop a passive signal handling capacitor that exhibits a negligible loss even with the most minute signals. The result is an unprecedented level of immediacy in the signal and ultra-low distortion.
With our meticulous attention to detail and innovative design choices, the Monologue sets a new standard in preserving the subtleties and nuances of your music. Whether you’re using an MC, MM, or DS Audio stylus, you can trust that the Monologue will faithfully reproduce your vinyl recordings with exceptional clarity and accuracy.
PUREST OF THE PURE
The industrial and electronic design of the Monologue echoes the WestminsterLab tradition, keeping unnecessary features and ornaments to a minimum in order to deliver the purest musical and user experience.
There are no color displays, rotary switches, or any distracting elements. We have intentionally reduced the complexity in order to protect the delicate signal from your favorite vinyl record.
Is all about power
Inside the chassis of the Monologue, you’ll find a meticulously designed and customized power system. At bespoke 260-watt O-core transformer provides a robust and stable power supply for the unit. These transformers are specifically tailored for the Monologue, borrowing the architecture from our Quest model and further optimizing it for the Monologue’s application. The primary focus during this optimization was to achieve the lowest possible noise levels, allowing the Monologue to reveal the deepest nuances and intricacies of your music.
To ensure exceptional performance, the Monologue incorporates an impressive array of power supplies. With six individual rails of regulators and a dual-mono output design, the unit achieves remarkable channel separation. The symmetrical dual-mono output design further enhances the Monologue’s performance by maintaining complete separation between the left and right channels at the output stages..
This exceptional design not only ensures accurate sound reproduction but also contributes to an immersive three-dimensional soundstage that extends beyond the boundaries of your listening room. Creating a captivating and lifelike audio experience, drawing you into the music and creating a sense of depth and dimensionality.
With its impressive power supply configuration, remarkable channel separation, and symmetrical dual-mono output design, the Monologue sets a new standard for performance and audio fidelity. The result is an audio experience that faithfully captures the nuances of the original recording and presents them in a captivating and engaging manner.
Meet the family
With the Monologue, the family is now complete. We have taken care of all the analogue electronics in your systems and all the connections in between. Just sit back, relax and rediscover your music.
Monologue Specifications
Distortion:
<0.0001% @ 1kHz Signal-to-Noise Ratio >120dB, unweighted
Input
1 optional module
Frequency Response
2Hz to 100kHz, 0.1dB
Outputs
1 set of balanced XLR output
Output Voltage
up to 12Vrms
Channel Separation
>110dB
Dimensions
W232 x H110 x D392 mm
Weight
12KG
OPTIONAL MODULE SPECIFICATIONS
DS Audio Equaliser
Input
1 set of unbalanced RCA input
Gain
27dB
Compatibility:
All DS Audio cartridges.
DS Audio certified equaliser.
Outputs: 19pin proprietary socket
MC/MM Phono
Input:
1 set of balanced XLR input or
1 set of unbalanced RCA input
Input Impedance:
60Ohm to 47kOhm ( 18 steps )
Loading Capacitance:
22pF to 322pF ( 5 steps )
Gain:
40dB to 70db ( 4 steps )
Compatibility:
Variety of modern and vintage MC/MM/MI cartridges.
Outputs:
19pin proprietary socket
Mono MC/MM Phono
Input
Single channel unbalanced
RCA input
Input Impedance
60Ohm to 47kOhm ( 18 steps )
Loading Capacitance
22pF to 322pF ( 5 steps )
Gain
40dB to 70db ( 4 steps )
Compatibility
Variety of modern and vintage MC/MM mono cartridges.
Outputs
19pin proprietary socket
Reviews
FIDELITY Magazine Germany
WestminsterLab Rei Amplifier
Power Amplifier ( MONO ) Innovation Award
Fidelity Magazine has awarded the 2022 Innovation Award to the Rei Class A power amplifier. The magazine was impressed by the technology and our approach to Class A amplification within such a small and sleek package.