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Rotel RC1590 Pre-amp - New Flagship Stereo Amplifier The Rotel RC1590 pre-amplifier is a reference-quality stereo preamp engineered to deliver exceptional audio performance and precise control, perfectly complementing the RB-1590 stereo power amplifier for discerning music enthusiasts. Key Features Twin toroidal transformers maximise analogue and digital circuit isolation TI precision volume control IC for accurate sound adjustment High-performance Moving Magnet (MM) phono input Three line-level analogue inputs (CD, Tuner, Aux) Six digital inputs (three coaxial, three optical) 32-bit 768kHz Asahi Kasei Digital to Analogue Converter (DAC) Internal Bluetooth module supporting APTX and SBC codecs Front USB input for iPod/iPad with 2.1A charging capability Rear panel PC-USB input supporting 24-bit/192kHz for Windows, Mac, and DoP (DSD over PCM) Tone control with cut/boost up to 10dB Balanced (XLR) input stages and twin balanced (XLR) and single-ended (phono) output stages Twin subwoofer outputs Front panel status display with dimmable brightness Remote control handset included 2 x 12-volt trigger outputs and configurable automatic power-off function RS232 and IP control for automation system integration Internet-based software updates and Rotel Link connection External IR remote input and front-mounted 3.5mm headphone output jack Specifications Total Harmonic Distortion: Input Sensitivity/Impedance: Phono Input (MM): 2.5 mV / 47k ohms Line Level Inputs (RCA): 2.5 mV / 47k ohms Line Level Inputs (XLR): 250 mV / 100k ohms Output Level: Line Level (RCA): 1 V Balanced (XLR): 2 V Frequency Response: Phono Input: 20Hz - 20kHz, 0 ±0.2 dB Line Level Inputs: 10Hz - 100kHz, 0 ±0.1 dB Signal to Noise Ratio (A weighting): Phono Input: 80 dB Line Level Inputs: 110 dB Channel Separation: Phono Input: >75 dB Line Level Inputs: >75 dB Digital Section: Frequency Response: 20Hz - 20kHz (±0.5 dB, Max) Signal to Noise Ratio (A weighting): 90 dB Digital Inputs: SPDIF LPCM (up to 192kHz 24-bit) PC-USB: USB Audio Class 1.0 (up to 96kHz 24-bit), USB Audio Class 2.0 (up to 192kHz 24-bit)* DSD Replay: Native or DoP *Driver installation required Power Requirements: USA: 120 V, 60 Hz EC: 230 V, 50 Hz Power Consumption: 25 watts Standby Power Consumption: BTU: 78 BTU/h Dimensions (W x H x D): 431 x 144 x 348 mm (17 x 5 7/8 x 13 7/9 in) Front Panel Height: 3U (132.6 mm, 5 1/4 in) Weight (net): 9.2 kg (20.28 lbs)