HiFi Rose RA180 Integrated Amplifier

The overall design of the RA180 perfectly complements the award-winning RS150B music streamer in its overall impression. However, its semi-exposed, retro-industrial aesthetic is one that sits at home in any premium audio system. Constructed from high-purity aluminium, the chassis houses a wealth of complex engineering inside.

The RA180 is based around a new concept Class AD Amplifier technology. Class D amplification provides higher efficiency and higher output, as well as improved noise and distortion measurements, compared to more traditional Class AB designs. However, many Class D designs in the past have suffered in sound quality, due to limitations in the digital circuitry. HiFi Rose’s state-of-the-art Class AD amplifier resolves these problems with the use of innovative new materials.

The RA180’s Class AD amplifier boasts Gallium Nitride FETs as opposed to more common Silicon FET technology. The result of this design is a high-speed, perfectly accurate amplification stage with almost no dead time, allowing it to perform far more naturally, like a pure analogue amplifier.

Technical Specifications:

• Amplifier Out: 4׸: 200W x 4ch (800W) / 8׸: 200W x 4ch (800W) / BTL Mode On: 400W x 2ch (800W)
• Input Sensitivity: Balanced Input: 2,000mV / Unbalanced (Line 1,2,3) Input: 1,000mV / Phono (MM/MC) Input: 5mV/0.5mV
• Impedance Input: Balanced Input: 44k׸ / Unbalanced (Line 1,2,3) Input: 47k׸ / Phono (MM/MC) Input: 47k׸
• Bandwidth (0dBr¶ñ3dB/8׸): Speaker Output: 10Hz ~ 90kHz / H/F Speaker Output: 10Hz ~ 90kHz
• Frequency Response (1W, 0¶ñ1dB/8׸): Speaker Output: 10Hz ~ 90kHz / H/F Speaker Output: 10Hz ~ 90kHz
• THD Measure (Balanced & Unbalanced Input): 0.005% (50W)
• Damping Factor (Speaker & H/F Speaker Output): >150
• Signal to Noise Ratio measure (S/N): BTL 107dB / Balanced, Unbalanced: 105dB / Phono MM/MC: 80dB (MM), 60dB (MC)
• Impedance Output: 53m׸
• Subsonic Filter: On/Off Switch (-3dB): 50Hz
• Tone Control: On/Off Switch - Bass(100Hz)/Treble(10kHz): ¶ñ15dB
• Crossover: On/Off Switch ƒ?? HPF (-3dB): 600Hz~ 6kHz
• Phono Turnover: Flat / 300Hz (+7.7dB@100Hz) / 400Hz (+11.7dB@100Hz) / 500Hz (+13dB@100Hz) / 700Hz (+14.5dB@100Hz)
• Phono Roll-Off: Flat / 1.6kHz (-16dB@10kHz) / 2.1kHz (-13.7dB@10kHz) / 3.18kHz (-11.7dB@10kHz) / 3.4kHz (-8dB@10kHz) / 6.36kHz (-5dB@10kHz)
• Trigger: Trigger can be turned on: 3.3v ~12V
• Size: 430(W) X 350(D) X 110(H) / Including Feet: 430(W) X 391(D) X 100(H)
• Weight: 16.7kg
• Body: High-Purity Aluminium
• Power: SMPS (800W)
• Voltage: AC100-230V, 50/60Hz
• Remote Control IR Input: 38kHz Infrared Ray (Within 10m of operating distance)

We endeavour to despatch same day for orders placed up to 1pm on available stock items (items with stock message "Usually dispatched within 24 hours"). Please remember to check with us first for a physical stock check if next day delivery is important to you. Any items with stock message "Usually dispatched within 72 hours" are items that we do not hold in stock but order in from the importer or manufacturer as soon as a customer order is received. Occasionally these may be delayed beyond 72 hours due to importer/manufacturer stock levels but we will inform you as soon as we can if this is the case.

UK Orders

We despatch the bulk of our UK mainland items on a 24 hour service – Free of Charge.  Non Mainland locations - Isle of Man, Isle of Wight, the Scilly Isles, the Scottish highlands and Islands, the Channel Islands and Northern Ireland may take a day or so longer and are not Free of Charge. Smaller items are delivered using Royal Mail 24 or special delivery. Larger items are delivered using a courier service such as DPD or UPS.

International Orders:

Due to the nature of our products and brand restrictions we are only able to send certain items internationally. Smaller items are delivered using Royal Mail Small Packets Airmail with International Tracked and/or Signed depending on value of item and availability of the service. Larger International shipments are sent by insured and tracked services using UPS. If there are any delays due to specific customs regulations, etc, you will be contacted by Hifisound or by the courier with a request for any further information required. Customs duties can apply for shipments to any countries outside of the UK depending on where the product you have bought is made. Customers are responsible for all taxes and duties incurred when the items enter their country.

Collect in Store or Home Install

At the request of the manufacturer some items cannot be supplied by mail order but you can click and buy them and then elect to collect them from our store or arrange a home install (if applicable). Applicable items clearly state that they are Collect in store or home install. Once ordered you will receive a message prompting you to contact us by phone or email to arrange for us to deliver and install or to reserve and collect from our store at your convenience, you will also be advised of the delivery time / stock availability as not all Home install / collect in store items are held in stock.