Slot loading SACD/CD drive mechanism.
Three types of digital input terminals, including USB to support the playback of high-resolution PC based music files.
In addition to coaxial and optical inputs (24-bit/192 kHz compatible), the RZ-1 is also equipped with a USB input (24-bit/96 kHz). By connecting to your PC and utilizing high levels of data resolution to transmit and amplify sound, this system enables you to playback high-resolution music files, from hard disk drive storage, in studio master quality.
ESOTERIC's high-end expertise was fully applied to design the USB input, with great care and attention given to detail. In order to prevent external interference from mixing with the audio signal, the RZ-1 is equipped with a USB isolator, which enables it to isolate the USB power supply and signal lines from the device.
32-bit D/A converter with true high quality sound
The DAC device installed in the RZ-1 is the "AK4392"(*), produced by Asahi Kasei Microdevices Corporation. This device is compatible with both DSD and PCM formats. Our relentless pursuit to produce high quality sound is also reflected in the digital signal processing circuit that was developed for the RZ-1. This circuit delivers high speed and processing capabilities, and enhances the analog circuit’s ability to receive data.
The input I/F, digital filters, and Delta-Sigma modulator are all capable of 32-bit processing. If data with a resolution of 24 bits or less is input, the digital operation circuit performs high-precision operations, thereby contributing to higher sound quality.
(*) The "AK4392" is an Audio4pro™ and brand product that is manufactured by Asahi Kasei Microdevices Corporation for use with professional digital audio equipment.
Two kinds of user selectable digital filters
The RZ-1 is equipped with two different kinds of digital filters: one for external digital input and the other for CD playback. In addition to the finite impulse response ("FIR") digital filter, which is known for its outstanding sound quality, a short-delay digital filter is also available to remove the pre-echo effect inherent in impulse waveforms, thus creating a more natural generation of sound. The filter selection used is entirely user selectable.
ESOTERIC amplifier technology for the precise amplification of music data, delivering a smooth yet full sound
The RZ-1 is equipped with a powerful analog power supply circuit. This circuit combines the largest toroidal transformer that can be installed within the integrated system’s slim body, and large capacitors for rectifying the circuit. The driving capacity of the ESOTERIC pure Class "D" power amplifier is more than sufficient to drive low-efficiency, small-sized high-end loudspeakers, achieving a full and natural expression of sound that is unmatched.
Two sets of analog input terminals
The RZ-1 comes with two sets of RCA audio connections. One set can be switched to serve as magnetic phono input terminals, allowing you to connect a record player that supports a MM cartridge.
A comprehensive range of functions boost the charm of this integrated system
The RZ-1 features a wide variety of functions, including standby, bass and treble tone controls, L/R signal balance control, a sleep timer, and display dimmer. Because it is an integrated system designed for casual listening, special care and attention has been given to ensure that RZ-1 is easy to use.
Low profile standing 77 mm (3 inches) tall, serves as a great compliment to your interior design
The sleek shape of the RZ-1 allows you to place it practically anywhere, whether it is the corner of the living room, or on the rack in the recreation room.
Curved lines and surfaces create artistic front face
Care and attention to detail that cannot be found in mass produced items has been applied to the RZ-1, creating a product that appears to have been endowed with the craftsman’s touch. The front panel, with a maximum thickness of 40 mm, is cut from a solid block of aluminum. A total of eight hours of work were needed to three-dimensionally process the aluminum, within a one-micrometer measure of precision. By deftly integrating the curved surfaces and lines with precisely cut lines, the result is an elegant, streamlined design from the front to the top, creating a sense of artistic presence.
Simple design with only the essential operations on the front panel
Looking to enjoy the pure pleasure of those moments of serenity and relaxation? For those with a refined and discriminate taste in their lifestyle, the system's operations are extremely simple. The round-shaped push buttons are designed to compliment the streamlined front design. Likewise, the simple design bearing only the essential operations, such as PLAY and volume, further enhances the system's usability and brings the pleasure of listening to music closer to your heart.
The remote control is housed in an aluminum body, providing a weighty feel in the hand and exuding a sense of refinement.
Removable inlet box for power supply
ESOTERIC’s attention to detail is exemplified by the removable inlet box for the power supply, which can be upgraded by the addition of optional power supply cables. This capability allows you to gain further enjoyment from using this high-end audio system, through an optional and incremental upgrade process.
|Amplifier Section||Output Power||100W + 100W (6Ω)|
|Minimum rated power output||80W + 80W (6Ω)|
|Frequency response||15Hz - 65kHz (+1dB, 3dB, 6Ω) (JEITA)|
|Total harmonic distortion||0.003% (1kHz, output 45W, 6Ω, LPF 20kHz) (JEITA)|
|Signal-to-Noise Ratio (S/N)||102dB|
|Input Sensitivity (input level for rated output at maximum volume)||LINE: 46mVrms (JEITA)
PHONO (MM): 1.0mVrms (JEITA)
|Audio input||Jacks||RCA jacks (2channels) x 2|
|Analog input||Input impedance||LINE: 100kΩ (JEITA)
PHONO: 48kΩ (JEITA)
|RIAA deviation PHONO (MM)||20Hz to 15kHz, ±0.5dB|
|Digital input||COAXIAL jack||RCA jack x 1 (0.5Vp-p/75Ω)|
|OPTICAL jack||Optical digital jack x 1|
|USB port||USB type B x 1 (USB 1.1 or higher)|
|Input sampling frequency||32 - 192kHz (COAXIAL / OPTICAL)
32 - 96kHz (USB)
|CD/Super Audio CD Player||Compatible format||Super Audio CD, CD-DA|
|Compatible disc type||Super Audio CD, CD, CD-R, CD-RW|
|Playback mode||DSD native|
|D/A Converter||Digital filter||32 bit 8-times oversampling|
|General||Power supply||AC 230V, 50Hz
AC 120V, 60Hz
AC 220V, 60Hz
|Power consumption||105W (standby mode: 0.5W)|
(W x H x D)
|400 x 77 x 368mm (15-3/4" x 3" x 14-1/2")
|Weight||9kg (19-7/8 lb)|
|Accessories||Power cord x 1
Remote control unit (RC-1251) x 1
Batteries (AA, R6 or SUM-3) x 2
Felt pads x 4
Owner's manual x 1
Warranty card x 1
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