ROSE HIFI RA180 Amplifier Class AD 4x200W / 2x400W 4Ω

ROSE HIFI RA180 Amplifier Class AD 4x200W / 2x400W 4Ω
Rose HiFi offers with its RA180 a high-end integrated amplifier at the cutting edge of innovation, integrating modern technologies within an intelligent architecture. It offers a greatly improved linearity by reducing the power damping for an incredibly transparent sound reproduction. In addition, it has a beautiful design, the crossroads between vintage and modernity.

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Rose HiFi RA180

Amplifier Class AD 4x200W / 2x400W 4Ω

Rose HiFi RA180 Amplificateur Class AD 4x200W / 2x400W 4 Ohm

Rose HiFi offers with its RA180 a high-end integrated amplifier at the cutting edge of innovation, integrating modern technologies within an intelligent architecture. It offers a greatly improved linearity by reducing the power damping for an incredibly transparent sound reproduction. In addition, it has a beautiful design, the crossroads between vintage and modernity.

New Generation Class AD Amplifier

A true revolution in the world of amplification, Rose HiFi unveils an innovative Class AD architecture taking advantage of both the benefits of Class A/AB amplifiers and Class D structures. This particular design allows for improved linearity, in particular through the use of a new material, GaN (Gallium Nitride).

Furthermore, the RA180 opens the doors to bi-amplification by integrating four independent amplifier modules. Each module supports a response up to 100kHz, allowing the use of super tweeter.

To power these modules, the RA180 features a massive power stage capable of delivering 1100W of power to meet the needs of the most demanding audio systems.

Rose HiFi RA180 Amplificateur Class AD 4x200W / 2x400W 4 Ohm

FET Gallium Nitride (GaN)

In terms of power amplifier design, the Class D topology theoretically offers full linear output at 0% distortion and 100% efficiency. To achieve this theoretical perfection, the speed and accuracy of switching operations must be secured.

To correct this concern, the RA180 features a perfectly linear output using a Gallium Nitride FET instead of a silicon FET which directly affects the switching accuracy and speed. This fully linear output exceeds the capabilities of the Class D topology and allows for a natural sound reproduction, close to that of an analog amplifier.

Rose HiFi RA180 Amplificateur Class AD 4x200W / 2x400W 4 Ohm

Four new mono amplifier modules

The RA180 offers a stereo output and provides two channels for each right and left output. Each amplifier offers a power of 200W under 4Ω and 8Ω, allowing a bi-amplification integration, in order to feed separately the different channels of your speakers and offer a more natural and musical restitution. It is also possible to activate the BTL mode to reach a power of 2x400W.

Rose HiFi RA180 Amplificateur Class AD 4x200W / 2x400W 4 Ohm

A generous design that covers even the range of the super tweeter

The RA180 is able to reproduce the original audio signal as closely as possible by covering an extremely wide frequency range. Thus, even the highest frequencies are not filtered out, with a frequency response ranging from 20Hz to 100kHz (±1dB).

Rose HiFi RA180 Amplificateur Class AD 4x200W / 2x400W 4 Ohm

Phono amplifier with variable equalizer

The Rose HiFi RA180 can be used with both MM and MC turntables. To adapt to different recordings and audio systems, it integrates TurnOver and Roll-Over filters with an extremely precise equalization system.

Rose HiFi RA180 Amplificateur Class AD 4x200W / 2x400W 4 Ohm

Active crossover for H/F output

The RA180 has H/F speaker outputs and an active crossover function to adjust the response when using a super tweeter.

Rose HiFi RA180 Amplificateur Class AD 4x200W / 2x400W 4 Ohm

Tone control

The RA180 offers a linear reproduction for the most faithful reproduction of the original signal. However, it offers a tone control that allows you to adjust the bass (100Hz) and treble (10kHz) levels over an adjustable range of ±15dB. This makes it possible to adapt the output of the amplifier to your audio system and your listening preferences. The tone control circuit is equipped with a high fidelity active equalizer (type AOP: 12dB slope) rather than a passive system (type CR: 6dB slope).

Rose HiFi RA180 Amplificateur Class AD 4x200W / 2x400W 4 Ohm

High efficiency power supply

The on-board power supply has been developed specifically for the RA180 and does not use silicon FETs but silicon carbide FETs. These allow high power and efficiency to be achieved with low heat generation. A 2.5kW PFC circuit and a high capacity capacitor allow the RA180 to respond quickly to high power requirements.

Rose HiFi RA180 Amplificateur Class AD 4x200W / 2x400W 4 Ohm

A convenient remote control

The RA180's remote control allows you to remotely control the volume level by acting directly on the motorized potentiometer, and also to select an input. In addition, the LED indicators on the source selector automatically detect input signals, with a flashing light indicating that a signal is being received.

Rose HiFi RA180 Amplificateur Class AD 4x200W / 2x400W 4 Ohm

Bypass · Power Amp Mode & Speaker selector

The RA180's Bypass - Power Amp mode connects the LINE 3 input directly to the power amplifier, without passing through the preamplifier stage. Furthermore, the unit also offers the possibility to select an active speaker group easily by means of a switch.

Rose HiFi RA180 Amplificateur Class AD 4x200W / 2x400W 4 Ohm
Rose HiFi RA180 Amplificateur Class AD 4x200W / 2x400W 4 Ohm
1Preamplifier
2Level indicator
3Volume
4Speaker selector
5Bypass · Power Amp mode switch
6Input selector
7Operating mode selector switch
8Active crossover
9Phono amplifier equalizer
10Volume button
11LED brightness selector
12Switch ON/OFF subsonic filter
13Switch ON/OFF attenuator
14Phono GND
15Balanced XLR input
16BTL Output - Right channel
17BTL Output - Left Channel
18Reset button
19Power connector
20RCA Phono input
21RCA single-ended inputs
22Phono MM/MC mode switch
23Subwoofer output
24BTL switch
25Trigger input
26IR input
27GND


Technical characterostocs

Spécifications
Product typeClass AD Amplifier
Output power4x 200W @ 4Ω
4x 200W @ 8Ω
2x 400W @ BTL Mode ON
Input sensitivityBalanced : 2000mV
Single-ended : 1000mV
Phono (MM/MC) : 5mV / 0.5mV
Input impedanceBalanced : 44kΩ
Single-ended : 47kΩ
Phono (MM/MC) : 47kΩ
Bandwidth (0dBr±3dB/8Ω)Speaker output : 10Hz ~ 90kHz
H/F speaker output : 10Hz ~ 90kHz
Frequency response (1W±1dB/8Ω)Speaker output: 10Hz ~ 90kHz
H/F speaker output: 10Hz ~ 90kHz
THD0.005% (50W)
Damping factor> 150
SNRBTL : 107dB
Balanced, single-ended: 105dB
Phono (MM/MC) : 80dB / 60dB
Output impedance53mΩ
Subsonic filter with ON/OFF switch50Hz (-3dB)
Tone control with ON/OFF switch±15dB (Bass: 100Hz / Treble: 10kHz)
Crossover with ON/OFF switch600Hz ~ 6kHz (HPF -3dB)
PhonoTurnoverFlat
300Hz (+7.7dB @ 100Hz)
400Hz (+11.7dB @ 100Hz)
500Hz (+13dB @ 100Hz) (RIAA)
700Hz (+14.5dB @ 100Hz)
Roll-OffFlat
1.6kHz (-16dB @ 10kHz)
2.1kHz (-13.7dB @ 10kHz) (RIAA)
3.18kHz (-11dB @ 10kHz)
3.4kHz (-8dB @ 10kHz)
6.36kHz (-5dB @ 10kHz)
Trigger voltage3.3V ~ 12V
General
DimensionsWithout feet: 430 x 350 x 110mm
With feet : 430 x 391 x 130mm
Weight16.7kg
Housing materialAluminum
Supply voltage100-230VAC 50/60Hz
 
Data sheet
InputRCA
InputPhono
InputXLR
OutputSubwoofer
OutputSpeaker terminal
ColorSilver
Channel4
Channel4.1
Channel2 (Stereo)
Channel2.1
ClassClass AD
Amplifier chipN/A
Power (W)200.0
Power (W)400.0
Remote ControlYes
 
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ROSE HIFI RA180 Amplifier Class AD 4x200W / 2x400W 4Ω
Rose HiFi offers with its RA180 a high-end integrated amplifier at the cutting edge of innovation, integrating modern technologies within an...

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