Rotel RC-1570 Stereo Preamplifier

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Separate components hold the promise of the best possible fidelity, since each device is optimised for its role in the sound reproduction chain. Rotel has been designing and manufacturing high performance components for dedicated enthusiasts for over 50 years.
  • PC-USB
  • Input Sensitivity / Impedance
  • USB/iPod Digital Signals

As countless reviewers have testified over the years, they rival and frequently exceed the performance of much higher priced offerings. The new RC-1570 stereo preamplifier, a blend of cutting edge digital circuitry with on-board?Digital-to-Analoguen?conversation and classic?analogue?stages, is the latest example.

Beneath the clean lines and user friendly fascia of the RC-1570 lies highly sophisticated engineering. Both?analogue?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-1570 stereo preamplifier is also extremely flexible. Four digital inputs (2 co-ax and 2 optical), plus the rear PC-USB handle digital sources up to 24/192 resolution. The 4 inputs are designed for sources such as TV set-top boxes, flat panel TVs or?Blu-ray?players for stunning playback.

The PC-USB input makes use of audio playback software such as iTunes or Windows Media Player to replay music from your computer digital library. A Bluetooth dongle is provided to be used with the front USB input. A premium?Wolfson?stereo D/A converter handles critical conversion from digital data to?analogue

.?analogue?inputs include balanced XLR connectors (perfect for connecting the?RCD-1570?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, as are two 12-volt triggers to control on/off operation of an amplifier and/or other components and RS-232 on a standard DB-9 connector.

In short, the RC-1570 is a tremendous value and the perfect?upgrade for owners of older?analogue-only?preamplifiers

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Receivers Amps Preamps

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
Input Overload Phono Input: 65 mV
Line Level Inputs: 4.3 V
Output Level / Impedance Output (RCA): 1V / 100 ohms
Output (XLR): 2V / 100 ohms
Frequency Response Phono Input: 20 Hz-20k Hz, 0 +/- 0.3 dB
Line Level Inputs: 4 Hz-100k Hz, 0 +/- 0.3 dB
Tone Controls 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
Digital Sectio 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