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|Package Weight||34.0 lb|
|Box Dimensions (LxWxH)||22.5 x 22.0 x 8.0"|
|Input Sensitivity||+3dB (8 ohms, Max Attenuation)|
|Input Impedance||30 k ohms (Balanced)15 k ohms (Unbalanced)|
|Frequency Response||20Hz - 50kHz (0dB, +0.5dB, -1dB @ 1 Watt, 8 ohms)|
|Total Harmonic Distortion (THD)||Less than 0.1%, 20Hz - 20kHz, Half Power|
|Input Connections||2 x 3-pin XLR Female (Balanced)2 x 1/4" (6.3mm) TRS Phone (Balanced)|
|Output Connectors||2 x Speakon2 x 5-way Binding Post2 x 1/4" (6.3mm) Phone|
|Output Power||Rating @ 1kHz, THD=1%275W @ 8Ω Stereo (per channel)390W @ 4Ω Stereo (per channel)780W @ 8Ω Bridged-MonoRating @ 20Hz - 20kHz, THD=0.1%250W @ 8Ω Stereo (per channel)310W @ 4Ω Stereo (per channel)620W @ 8Ω Bridged-MonoRating @ 1kHz, 20ms Nonclip650W @ 2Ω Stereo (per channel)1300W @ 4Ω Bridged-Mono|
|Controls (Rear)||1 x Stereo/Bridge/Parallel Mode Switch2 x Subwoofer/Low Cut/Off Filter Switches2 x 25Hz - 150Hz Frequency Control Switches1 x Yamaha Speaker Processing On/Off Switch|
|Indicators||1 x Green Power On LED1 x Red Protection LED1 x Red Heatsink Temp Overheat LED1 x Yellow YS Processor LED2 x Green Signal LEDs2 x Red Clip LEDs|
|Cooling||Dual Variable-Speed Fans|
|Power Consumption||Idle: 25W1/8 (4 ohms): 320WMaximum (4 ohms): 1600W|
|Power Requirements||120V 60Hz|
|Dimensions||19 x 3.5 x 18" (483 x 89 x 457 mm)|
|Weight||30.9 lbs (14 kg)|
|Specialties||Proprietary EEEngine Operating Efficiency DesignLimiter Amp Protection CircuitryYS Processing|
|Controls Front Panel||1 x Push On/Off Power Switch2 x 31-Position Attenuator Knobs|
|Damping Factor||Greater than 200 (8 ohms, 1kHz)|
These amplifiers are superb. The sound is crystal clear at all volumes, and they are built to last. I would recommend them to anybody who is looking for a high quality PA.
By accedent i test this amplifier with normal audio from CD.( I used this amplifier before only for instruments and vocals). It sounds much much much better then my Yamaha AX 1070 series. It sounds crystal natural with a great scene.
Great sound for the money. It has stood right along side my high-end amps,and has always performed extremely well. The 3-year warranty is as good as you'd get from most other makers,and there's no need to pay at least $1200.00 USD to get it!
My first impressions: Oustanding, gorgeus, audiophile sound...the price is very low for this quality Soon I write more opinions
Smooth, controled warmth, roll-off of treble (I like), very good and stable image, tight bass, with no more than a week of use...I need to run others hours more (100 to 200) for a complete review...
¿ treble ? Maybe, but I like the performance of highs.. Perhaps with a touch of treble control from preamp or mixer