睿志音响

R-28 MK3

Fully new upgrade design

Fully balance discrete transistors headamp / preamp and R-2R DAC all in one model

Built in isolator for total isolate of the digital and analog parts

Built in mulriple OS and NOS modes set on front plate and remote controller

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Specifications tested by OS8 mode and already through sound tuned, we always improve for better real like , musical and analog sound ,improvement may result in changes in specifications and design without notice.
S/N Ratio	>120DB
THD+N	<0.01%
Gain	L mode : +12DB H mode : +22DB
Channels imbalance	< 0.05DB
Frequency Breadth	20Hz - 20KHz (< - 0.5DB)
Output Level	Headphone output : 19V RMS (balance) Preamp Variable output : 19V RMS (balance) DAC Fixed output : 5 V RMS (balance)
Headphone amp output power level (Only for headphone over 15 ohms.)	Balanced mode 9500mW / 25 ohm 8000MW / 40 ohm 3500MW / 100 ohm 1200MW / 300 ohm 600MW / 600 ohm	Single-Ended mode 2700mW / 25 ohm 2200MW / 40 ohm 1000MW / 100 ohm 350MW / 300 ohm 170MW / 600 ohm
Output impedance	1 ohm / Headphone output 5 ohm / DAC / Preamp output
Input Sensitivity	0.5 Vp-p(75 Ohms, Coaxial) 19 dBm (Optical)
Support Operate Systems (USB)	Windows, OSX, Linux, ISO
Support Sampling	USB & IIS : 44.1kHz - 384kHz /32Bit DSD64-512 Coaxial mode: 44.1kHz - 192kHz Optical mode: 44.1kHz - 96kHz
Power Requirement	1 Version 100-120V AC 50/60 Hz 2 Version 220-240V AC 50/60 Hz
Power Consumption	24W
Package Weight	Approximately 7.6KG
Dimensions	W360 X L360 X H85(MM, with feet )
Accessories	AC power cord X1 USB cable X1

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