TRIO KN-6644

Commentary

Surround Sonic quadrixer can be enjoyed with 4 channels of 2 channel source as well as discrete source.

It supports all four channel playback circuit systems, including discrete, quadrix, delay, and quadrix + delay.

You can select the most suitable format to play any program source recorded with 4 or 2 channels, such as FM, disc, or tape.
The encoder and decoder -in encoder and decoder circuits so that you can encode 4-channel sources and record 2-channel audio, or use the decoder to record 2-channel sources as 4-channel audio.

Equipped with a quadrix mode switch, you can use the 2-channel source in a position where you can maximize the 4-channel effect according to the recording characteristics and songs.
In 2-channel mode, you can play back two channels of your hand-held source. In the Hall1 mode, you can add a delay component to the quadrix 4-channel public relations speaker to obtain a concert hole-like tone. In the Hall2 mode, you can play back only the delay component from the rear speaker. In the Quadrix mode, you can enjoy the current 2-channel source and the quadrix recorded source with 4-channel realism.

Equipped with a direction switch, the position of the front can be changed to front, back, left and right.

Equipped with rear position control switch.
By adjusting the volume control knob for the rear speaker and the mixing knob, you can achieve the effect of moving the rear sound source forward and backward without moving the speaker.

Model Rating

Type	Surround Sonic quadrixer
Input sensitivity / impedance (rated input 0 VU)	2-Channel : Aux/Tape : 200mV/30k Ω 4-channel : Aux/Tape : 200mV/30k Ω
Maximum power output	2-channel : Aux/Tape : 4 v 4-channel : Aux/Tape : 4 v
Output level	Rated output (0 VU) : 0.1 V (Low), 1 V (High) Maximum output : 4.5 v (High)
Frequency characteristic	2 Channel Front : 20 Hz to 20 kHz ± 1 dB Rear : 20 Hz to 20 kHz + 1 -2dB 4-channel Front : 20 Hz to 20 kHz + 0 -1dB Rear : 20 Hz to 20 kHz + 0 -1dB
Signal-to-noise ratio	2 Channel Front:75dB Rear:70dB 4-channel Front:75dB Rear:75dB
Delay time	20 ~ 35m/sec
Reverberation time	0 to 2.3 sec
Accessory circuit	quadrix circuit Delay circuit Direction circuit 4ch-2ch conversion circuit
Power supply voltage	100 VAC / 117 V, 50Hz/60Hz
Power consumption	20W
External dimensions	Width 495x Height 134x Depth 271 mm
Weight	6.9kg