Rotel RC1572 Pre-Amplifier & RB1582 MKII Power Amplifier
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Rotel is a family-owned, 50-year-old business: its long-standing prestige has been earned through the passion and clinical accuracy delivered in the performance of their home theatre and hi-fi products. With a large audiophile following, Rotel is renowned amongst enthusiasts that appreciate the outstanding quality their products represent. The Rotel family today includes an international group of engineers, designers, music and movie enthusiasts, and professional audio business people from many countries including Japan, UK, USA, China and Korea.
Rotel continuously strives to make home entertainment electronics that compare favourably with products that cost many times their retail value, focusing on innovative technology and enjoyment of use, as well as excellent quality sound and vision. By being very selective with components and meticulous in circuit design, Rotel has maintained its impressive reputation, being recognised by critics around the globe as one of the best performance and best value audio visual manufacturers in the industry.
The heart of an uncompromising audiophile stereo “separates” system is the preamplifier. Separate components hold the promise of the best possible fidelity, since each device is optimised for its role in the sound reproduction chain. The new RC-1572 stereo preamplifier leverages the design of our flagship RC-1590 preamplifier including its 32 bit/768kHz AKM stereo digital-to-analog converter to handle critical signal conversion. Among many refinements, the RC-1572 utilises relay switching for analog sources instead of an IC based switch to maintain the integrity of the signal path for RCA, phono and XLR inputs.
Beneath the clean lines and user friendly fascia of the RC-1572 lies highly sophisticated engineering. Both analog and digital sources have been given equal consideration as today’s listener often has several digital sources, but may also enjoy legacy formats like vinyl LPs. A large toroidal transformer and regulated power supply ensures stable current and voltage requirements to all stages under dynamic conditions. Premium circuit components have been selected only after extensive listening evaluations. Careful routing of all low level signals has been practiced to ensure impressive signal to noise levels. The result is effortless musical dynamics, impressive detail and scale.
The RC-1572 stereo preamplifier is also extremely flexible. Four digital inputs (2 coax and 2 optical), plus the rear PC-USB handle digital sources up to 32/384 resolution. The 4 inputs are designed for sources such as TV set-top boxes, flat panel TVs or Blu-ray players for stunning playback. Importantly, it is possible to fix the level and set an auto-on option with digital inputs for use with devices that provide their own volume control for convenient “hands-off” use.The PC-USB input supports DSD signals. Integrated Bluetooth aptX is provided. Analogue inputs include balanced XLR connectors, perfect for connecting the RCD-1572 via its XLR outputs, in addition to four pair of conventional RCA inputs. A moving magnet phono stage rounds out the source capability. XLR and single ended outputs are provided along with a mono subwoofer output, as are two 12-volt triggers to control on/off operation of an amplifier and/or other components. For custom integration, control options include RS232 on a standard DB9 connector, as well as an Ethernet port for IP control and software updates. In short, the RC-1572 is a tremendous value and the perfect upgrade for owners of older analog-only preamplifiers.
Total Harmonic Distortion (20Hz-20kHz): < 0.004%
Intermodulation Distortion (60 Hz : 7 kHz, 4:1): < 0.004% at 1V output
Input Sensitivity / Impedance
Phono Input (MM): 2.5 mV / 47k ohms
Line Level Inputs (RCA):150 mV / 24k ohms
Line Level Inputs (XLR):300 mV / 50k ohms
Phono Input: 65 mV
Line Level Inputs: 4.3 V
Output Level / Impedance
Output (RCA): 1V / 100 ohms
Output (XLR): 2V / 100 ohms
Phono Input: 20 Hz-20k Hz, 0 +/- 0.3 dB
Line Level Inputs: 4 Hz-100k Hz, 0 +/- 0.3 dB
Bass: +/-10 dB at 100Hz
Treble: +/-10 dB at 10kHz
Signal to Noise Ratio (IHF “A” weighted)
Phono Input: 80 dB
Line Level Inputs: 110 dB
Frequency Response: 10Hz - 95k Hz (+/-3.0dB, Max)
Signal to Noise Ratio (IHF “A” weighted): 100 dB
Input Sensitivity/Impedance: 0 dBfs / 75 ohms
USB/iPod Digital Signals: WAV, MP3, WMA, AIFF (up to 48kHz 16 bit)
Coaxial/Optical Digital Signals: SPDIF LPCM (up to 192kHz 24 bit)
PC-USB: USB Audio Class 1 (up to 96kHz 24 bit)
Power Requirements: USA - 120 Volts, 60 Hz / EC - 230 Volts, 50 Hz
Power Consumption: 15 watts
Standby Power Consumption: < 0.5 watts
Dimensions (W x H x D): 431 x 99 x 320 mm
Front Panel Height:2U (88.1mm, 3 1/2 ins)
Weight (net): 7kg
Rotel has been engineering and manufacturing power amplifiers for decades. The RB-1582 200 watt per channel stereo power amplifier is an outstanding example of Rotel’s Balanced Design Concept and will form the heart of a very impressive stereo or home theatre system for years to come.
Rotel’s largest stereo amplifier at 200 watts per channel provides the massive current to drive the very largest hi-fi systems effortlessly. And like its smaller brother, the RB-1582 MKII has been designed to excel at resolving the subtle details in music as well as supplying the brawn required for extremely dynamic passages. It is able to achieve this difficult dual requirement because of the meticulous attention paid to circuit design and parts selection.
The RB-1582 MKII ‘s high-end performance begins with an extremely large toroidal transformer combined with a total of 60,000uF storage capacity in special “slit foil” capacitors to provide completely stable power to the output stage. Slit foil capacitors have the ability to charge and discharge extremely quickly, thereby ensuring signal fidelity during orchestral crescendos or repetitive kick-drum impacts, for example. Both left and right channel construction are laid out in a mono block design (after the toroidal transformer) and all grounding is terminated in a star pattern on a copper grounding plate to ensure low signal to noise. The output stage is a discrete design that consists of 10 high current bipolar transistors per channel. Input options consist of both balanced XLR and unbalanced RCA connectors.
Power Configurations: 2 x 200 watts (20Hz-20kHz, <0.03%, 8 Ohms)
Watts/Channel 200 watts, all channels driven, 8 ohm load, 20-20kHz
THD (20-20,000Hz) 8 Ohms, all channels driven: < 0.03%
IM Distortion: < 0.03%
Damping Factor (8 Ohms): 1000
Input Sensitivity / Impedance: 1.5V / 32kOhms
Frequency Response (+/-1dB): 15-100kHz (+/-1dB)
S/N Ratio (IHF A): 116dB
Power Consumption: 550 watts
Dimensions (W x H x D): 431 x 140 x 406 mm
Front Panel Height: 3U (5.25”)
Shipping Weight: 18.5 Kg
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|Product Name||Rotel RC1572 Pre-Amplifier & RB1582 MKII Power Amplifier|
|Model||Rotel RC1572 & RB1582 MKII|
|RMS Power @ 4 Ohms||Not Specified|
|RMS Power @ 8 Ohms||200 Watts|
|High Current Output||No|
|Speaker Outputs||2 Channel|
|Analogue Inputs||4 x line, 1 x MM phono, 1 x XLR Balanced,|
|Digital Inputs||Coaxial x 2, Optical, USB x 2|
|Amplifier Type||Class AB|