Rotel RA-1572 User Manual

INTEGRATED AMPLIFIER

RA-1572

2 x 120 Watts	iOS control App	Moving magnet	Bluetooth	AKM premium 32-bit/
of robust Class		phono input for	with aptX	768kHz Digital to Analog
AB power		turntable connection		Converter

Long recognized as a central component in superb yet costeffective music systems, the integrated amplifier’s job has evolved substantially as many music-lovers have migrated to

digital sources. The RA-1572 is one of the best examples of melding classic analog design with contemporary digital circuits to bring all of your sources to life with surpassing fidelity.

As typical of Rotel amplifiers, the RA-1572’s circuitry draws on a high capacity power supply based on a Rotel custom designed and in-house manufactured oversized toroidal transformer. In addition to providing an abundance of voltage and current for all operating stages, the transformer’s toroidal shape helps prevent stray radiation patterns from corrupting audio signals as they pass through adjacent circuit stages.

Subsequent power supply segments built with tight-tolerance parts including T-Network capacitors provide the exact voltage and current requirements to ensure stress-free signal reproduction.

The RA-1572’s input section is substantially more flexible than that found in most integrated amplifiers. In recognition of the predominance of digital sources available today, the RA-1572 has a built-in state of the art 32-bit/768kHz AKM digital-to-analog converter (DAC) and analog stages of the highest quality. The DAC and surrounding circuitry supports a vast array of source inputs

including DSD capable PC-USB (32-bit/384kHz). A front panel USB input is provided for easy connection of a wide variety of music storage devices including Apple iPods, iPhones, and iPads. The Bluetooth input supports aptX for superior performance with compatible devices. In addition, two each coaxial (RCA) and optical (TOSlink) inputs provide easy connections for LPCM music sources including popular streaming devices with up to 24-bit word lengths sampled at 192 kHz. 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. Analog inputs include a pair of balanced XLR connectors in addition to conventional RCA jacks.

The Class AB output stage uses discrete devices to ensure precise reproduction of all signals regardless of origin with virtually any loudspeaker. The power output, conservatively rated at a robust 120 watts per channel into 8 ohms, is substantial as it is a continuous “both channels driven simultaneously” rating fully in keeping

with real-world requirements and Rotel’s tradition of providing extraordinary value. A mono subwoofer output is also provided.

User conveniences include two 12-volt triggers to control on/off operation of other components, a highly visible VFD display for setup, internet-based software updates, as well as RS232 and IP control capabilities.

Rotel integrated amplifiers bring your sources to life with amazing fidelity.

See more at

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INTEGRATED AMPLIFIER

RA-1572

SPECIFICATIONS

	Continuous Power Output	120 watts/channel	Digital Section
	(20Hz – 20kHz, < 0.03%, 8 ohms)		Frequency Response	10Hz - 90kHz (0 ±2 dB, Max)
	Total Harmonic Distortion	< 0.03%
			Signal to Noise Ratio	100 dB
	(20Hz-20kHz, 8 ohms)
			(IHF ”A” weighted)
	Intermodulation Distortion	< 0.03%
			Input Sensitivity/Impedance	0 dBFs/75 ohms
	(60Hz : 7kHz, 4:1)
			Preamplifier Output Level	1.3 V (at -20 dB)
	Frequency Response
			Coaxial/Optical Digital Signals	SPDIF LPCM
	Phono Input	20Hz-20kHz (0 ±0.5 dB)
				(up to 192kHz 24 bit)
	Line Level Inputs	10Hz-100kHz (0 ±0.5 dB)
			PC-USB	USB Audio Class 1.0
	Damping Factor
		300		(up to 96kHz 24-bit)
	(20Hz-20kHz, 8 ohms)			USB Audio Class 2.0
	Input Sensitivity / Impedance
				(up to 384kHz 32-bit)*
	Phono Input (MM)	2.1 mV / 47k ohms		*Driver installation required
	Line Level Inputs (RCA)	270 mV / 100k ohms		DSD and DoP support.
	Line Level Inputs (XLR)	440 mV / 100k ohms	Power Requirements
	Input Overload		USA	120 volts, 60Hz
	Phono Input (MM)	32 mV	EC	230 volts, 50Hz
	Line Level Inputs (RCA)	4 V	Power Consumption	400 watts
	Line Level Inputs (XLR)	5.5 V	Standby Power Consumption	< 0.5 watts
	Preamplifier Output /	1.5 V / 470 ohms	BTU (4 ohms, 1/8th power)	810 BTU/h
	Impedance		Dimensions (W x H x D)	431 x 144 x 358mm
	Signal to Noise Ratio			17 x 5 5/8 x 14 1/8 in
	(IHF “A” weighted)		Front Panel Height	3U / 132.6mm / 5 1/4 in
	Phono Input (MM)	80 dB
			Weight (net)	13 kg, 28.66 lb
	Line Level Inputs	100 dB
			Finish	Silver and Black

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