The power amplifier is the final component in the signal chain before the loudspeakers. It is the workhorse of a hi-fi system. It takes the low-level signal from the pre-amplifier and converts it to a powerful signal to drive the loudspeakers. It has a low-level input to receive the signal from the preamplifier, and terminals for connecting loudspeaker cables.
Because of the power amplifier's unique function, it differs from other components in size, weight and use. High-quality power amplifiers are usually large and heavy. Moreover, the power amplifier is the component you don't need to touch and adjust. Consequently, power amplifiers are often placed on the floor near the loudspeakers rather than in an equipment rack.
STEREO POWER AMPLIFIER:
A power amplifier with two audio channels (left and right) in one chassis.
MONOBLOCK POWER AMPLIFIER:
A power amplifier with only one audio channel per chassis. Two monoblocks are required for stereo reproduction.
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Krell Duo 175 XD (175XD) - 2 Channel Power Amplifier
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Duo 175 XD: Stereo Amplifiers
Krell's New XD Technology
Krell’s “XD” (Xtended Dynamics, Xtended Dimensionality, Xtended Detail) upgrade for the iBias amplifiers takes analready great sounding amplifier and raises its performance to the next level. “XD” is a classic example of Krell’scontinuous R & D efforts reaping benefits across multiple product lines. During the development of the K-300i Integrated Amplifier they discovered substantial sonic improvements by lowering the output impedance below traditional norms. So they applied this technique to our existing line of amplifiers and the improvement was so substantial that it required a unique designation, hence, “XD.”
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£ 9,398.00
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| * Only available for purchase in-store |
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Pro-Ject Power Box RS Amp
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Linear power supply consists of a big toroidal transformer with shielding between primary and secondary winding which acts as an isolation transformer and avoids penetration of interferences from mains into amplifier. This transformer has a big power reserve, compared to a standard power adaptor. It has very low output impedance and in combination with large filtration capability it can easily manage required power of one stereo amplifier or two mono amplifiers. Advice: To avoid magnetic interference do not stack amplifier and Power Box RS Amp!
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Pro-Ject Amp Box RS Mono
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Four specific characteristics make this a true high-end amplifier:
1. Fully balanced mono design
2. Highly efficient energy saving PWM modules
3. Tube buffer input stage
4. Upgrade option Power Box RS Amp for more power and further improved sound quality.
Amp Box RS Mono offers 3-dimensional sound-staging, perfect micro dynamics and ultimate resolution combined with high power output and 2 ohm capability and is the perfect solution for Bi– or Tri-Amping applications. Amp Box RS Mono is the perfect companion for Pre Box RS and will give pure sound experience, that the real audiophile is looking for.
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Pro-Ject Amp Box RS
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Four specific characteristics make this a true high-end amplifier:
1. Fully balanced double mono design
2. Highly efficient energy saving PWM modules
3. Tube buffer input stage
4. Upgrade option PS Box RS for more power and further improved sound quality .
Amp Box RS offers 3-dimensional sound-staging, perfect micro dynamics and ultimate resolution combined with high power output and 2 ohm capability and also is the perfect solution for Bi– or Tri-Amping applications.
Amp Box RS is the perfect companion for Pre Box RS and will give pure sound experience, that the real audiophile is looking for.
Because of its heat emission Amp Box RS luxury casing, which is available in silver or black finish, should not be combined with Design Box Acryl.
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Pro-Ject Amp Box DS2 Mono
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An ultra high-efficiency Bi-Phase PWM (Pulse Wave Modulation) circuit with SMD parts gives outstanding audio performance and stays cool on the outside. Sound quality is aimed to be as close as possible to Class A tube amplifiers with their liquid and lifelike presentation.
The Amp Box DS Mono is compact-sized and therefore allows easy placement and can be switched on & off remotely via a trigger signal. A 45cm power-on cable is supplied for this purpose. For Bi- or Tri-amplification use, the remote power-on signal can be relayed to further units.
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Pro-Ject Amp Box DS2 - Stereo Power Amplifier
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Amp Box DS2
•Audiophile class D power amplifier
•Impressive signal spectrum and lower distortion
•Elegant aluminium - metal sandwich casing
The Amp Box DS2 is built around a highly efficient, low-energy Class D amplifier module that delivers high output power, giving it the ability to drive even very demanding speakers. This simple yet effective stereo power amplifier is capable of delivering a very clean, pure sound performance with minimal electrical interferences.
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Pro-Ject Amp Box S2
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The Amp Box S2 is designed to deliver room-filling sound to almost any loudspeaker.
Despite its small dimensions, the Amp Box S2 delivers sound characteristics similar to that of a tube amplifier, with a rich musical performance and a touch of analogue warmth. The advanced amplifier modules used are highly efficient, easily driving almost any loudspeaker with almost no energy wastage.
The small size makes Amp Box S2 easy to place in any living space. Partner with a Box Design S2 (or any other) pre-amplifier by the RCA inputs and build a compact hi-fi system that delivers a premium sound. The 12V trigger input allows the amplifier turn on in tandem with the Pre Box S2 Analogue, while the Trigger Output allows for bi- or even tri-amplification systems. The isolated speaker terminals provide a solid and reliable connection to your loudspeakers.
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Elipson MC Mini Bluetooth Stereo Amplifier
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MC Mini
The MC Mini is a compact class-D amplifier. It is fitted with multiple digital and analog inputs and is compatible with infrared signals as well as Bluetooth apt-X transmission for a seamlessly integrated wireless system.
The MC Mini is a compact, stereo hi-fi amplifier
This class-D amplifier is rated at 2x 80 Watts into 4 Ohms and features multiple connection options. In addition to the traditional speaker terminals and RCA inputs, it is fitted with an optical input, a 3.5 mm jack input, and a subwoofer output. A peripheral device may also be connected to the amplifier via its 5V/500mA USB type-A port. The line-out connector allows the user to add a second MC Mini amplifier in order to expand to a 4 speaker configuration. Bluetooth apt-X transmission is also supported.
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Yamaha A-S301 (AS301) Entry Integrated Stereo Amplifier
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ToP-ART (Total Purity Audio Reproduction Technology) and high quality parts
- I/O (input to output) Direct Symmetrical Design
- ART (Anti-Resolution and Tough) Base
- Custom-made power transformer / 6,800uF block capacitors / Aluminum-extruded heat sinks
95W x 2 (max), 60W x 2 (RMS) high power output
Pure Direct Mode for Greater Sound Purity
Continuous Variable Loudness Control
Digital audio inputs for TV or Blu-ray Player
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Yamaha A-S701 (AS701) Upper-Mid Range Stereo Amplifier
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ToP-ART (Total Purity Audio Reproduction Technology) and high quality parts
- I/O (input to output) Direct Symmetrical Design
- ART (Anti-Resolution and Tough) Base
- Custom-made power transformer / 12,000uF block capacitors / Aluminum-extruded heat sinks
160W x 2 (max), 100W x 2 (RMS) high power output
CD Direct Amplification and Pure Direct
Continuous Variable Loudness Control
Gold-plated speaker terminals and RCA terminals
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