Audio Database

RV351II
Commentary

A surround processor with a Dolby surround processor and rear channel amplifier.

In order to achieve surround sound reproduction, it is equipped with a power amplifier for the rear speaker and a headphone port for personal surround sound.

Equipped with two systems of front signal output signals, it can be used in a wide range of applications such as connecting to audio input of TV in addition to audio system.

The volume of both front and rear speakers can be centrally controlled by the master volume.
There is also an independent rear volume that controls only the volume of the rear speaker.

It is equipped with a multi-surround function that provides surround effects even for normal stereo and monaural sources. It can be switched to Dolby surround, stereo and monaural sources.
The stereo source corresponds to matrix surround and the mono source corresponds to spatial stereo.

Equipped with a calibration control and a delay control, the input level and delay time for Dolby Surround playback are controlled according to each software, enabling effective surround playback for software and scenes.

Built-in effect controls allow you to control the depth and sound spread of the matrix surround and spatial stereo depending on the source.

Model Rating
Type Dolby surround processor
Maximum power output 30W (Dynamic Power, 6 Ω)
Total harmonic distortion factor 0.03% (1 kHz, 20W, 6 Ω)
Frequency characteristic Direct : 20 Hz to 20 kHz -1.5 dB
Dolby : 100 Hz - 6 kHz -3dB
Input Sensitivity / Impedance 250mV/68k Ω
Signal-to-noise ratio 90dB(IHF-A)
68 dB (Dolby)
Delay time 15 ms ~ 30 ms (variable)
Maximum external dimensions Width 420x Height 60x Depth 200 mm
Weight 3.2kg