Rose RA-180 High-End Integrated Amplifier with Phono-Stage, silver

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Rose RA-180 High-End Integrated Amplifier with Phono-Stage

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Verdict: "
The Rose RA180 is exceptional in every way. Its design is unique, its technology is innovative and its sound is outstanding. With four powerful power amplifiers, the integrated amplifier drives practically every speaker effortlessly while maintaining control at all times. You may dismiss its optical features and the many setting options as a gimmick, but the amplifier takes its work seriously when it comes to sound. No matter which genre you prefer, he always seems to get everything out of the signal. He doesn't want to put his stamp on the music, but simply offer a great, musical and natural sound. With the RA180, Rose simply offers an experience for the eyes and ears."

Product informations

The RA180 is a state-of-the-art integrated amplifier using the lastest innovative technologies. Power damping and dead times were reduced to 1/10 or less. Linearity was dramatically improved to create a near-perfect sound that transcends the boundaries between digital and analog. Enjoy the pure soound of nature provide by the RA180.

Class AD

Class D amplifiers have a topology that theoretically provides a perfect linear output at  0% distortion and 100% power efficiency. In order to achieve this, the switching action  requires high speed and accuracy. However, previous products were weak compared to  Class A/AB in the linearity aspect due to the limitations of silicon FET, which had  couldn't produce a smooth and natural sound. In the RA180, a new material, GaN FET,  was used instead of Silicon FET to solve this problem. The dead time was dramatically improved to 1/10 or less, and a nearly perfect linear output was realized with a  switching speed close to zero. This linearity goes beyond the Class D limits and  produces a smooth and natural sound, like an analog amplifier.

Multi Output Component

The RA180 consists of two modules: one AMP module specialized for stable mid-bass  and balance, and another specialized for smooth high-pitched and super tweeter  areas. Each AMP module supports 200 W (8 9) and can output up to 400 W per  channel. When two independent modules are connected to a speaker's high and low frequencies separately, the driving force can be greatly improved without being affected  by a counter electro-motive force. BTL mode combines two independent modules for  rich, balanced sound.

Designed to Play Up to the Super Twitter Realm

The human hearing range has an upper limit of 15-20 kHz. So, is there no need for  higher frequencies? Temporarily high trebles extend well beyond 20 kHz, even in  harmonious sound. For example, trumpets have a frequency response that extends to  100 kHz, and 88.2 kHz to 192 kHz sources have a 40 kHz to 96 kHz frequency response. The RA180 is designed with a wide frequency response range so that even high- resolution sound sources with an outputrange of 20 Hz to 50 kHz, 100 kHz @ -3 dB, 200 kHz @ -6 cB. Although this playability may be outside a person's hearing range, it  faithfully reproduces a wide frequency range, which contributes to expressing a deep  and wide sound field with the original sound.

Balanced Power Supply

The power supply that has been exclusively developed for the RA180 applies 4th generation SiC FET technology to provide high output with less heat. In addition, by  using a self-developed PFC (power factor circuit), it is designed not to be affected by  sudden load fluctuations. The power supply device was developed to support a  powerful damping factor of at least 200, and the high output of 1000 W is designed to  produce powerful bass and soft treble.

PHONO Amplifier with Variable EQ

The purpose of the PHONO amplifier provided by the RA180 is for the recording producer to accurately reproduce the original intention. It also reproduces the original  sound as it is, which is the principle of HiFi ROSE. It is designed to respond to a variety  of vinyl records with low-mid bass TURNOVER and high-frequency ROLL OFF  adjustment functions. Amplifies the very weak signal picked up by the cartridge and  keep it as close as possible to the original sound. MOVING MAGNET and MOVING COIL  STAGES are provided with a simple switch selection and EQ values  corresponding to curves from various record manufacturers are provided using parts  with a 0.1% tolerance.
You receive a 2 year warranty from the date of purchase for all of our high quality hifi-products.

If you observe any problem while using the product, you have the possibility to contact our friendly service team.

You can also easily manage your guarantee concern – without being obliged to – under the section My Account.