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I love YaBB 1 Gold!
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WTS: Yamaha Reference Dual-Mono Power amp 150wpc
« on: August 20th, 2016, 4:45pm »
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The Yamaha MX-2 Amplifier is rated for continuous output power all the way down to 2 ohms - - impossible for most amps because lower impedances cause much higher amounts of distortion. This means it can be used with low impedance speakers and will function flawlessly even under fluctuating loads caused by variations in the music signal.
See review
http://www.hifi-review.com/150436-yamaha-cx-2-mx-2.html
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It is 150wpc mono-block construction and even higher rating and damping factor >350 than the current model A-S2000 and A-S3000 series which cost much more.
The sound is neutral, natural and refine with no emphasis on a particular frequency band. Do not underestimate its sound!
Twin Transformer, Full Dual Mono construction
Individual left/right volume control and thus do not need a preamp.
Heavy construction 20kg, typical Japanese reliability.
Very good condition externally.
Fully working with Relay circuit protection so there would not be any "POP" sound when turning on or off.
Selling at 5xx neg.(SOLD)
The MX-2 power amplifier went on sale along with the CX 1/2 series control amplifier, and though customer interest had moved to audio/visual and the demand for high-end HiFi amplifiers had diminished, this model was intended to harness Yamaha’s accumulated audio technology to provide the most reasonable prices. The power amp section used the HCA (Hyperbolic Conversion class A) operation of Yamaha’s 100-year anniversary Monumental Products 10000 Series, and delivered 150W + 150W (8 ohms, 20Hz — 20kHz, 0.008% THD) rated output and dynamic power capable of driving a low-impedance 2-ohm load using a unique linear damping circuit to achieve a damping factor of 350. Inside the slim 116mm high cabinet was a symmetrical layout with huge individual left and right EI power transformers and two 36,000µF block aluminum electrolytic capacitors in the center, so a cabinet depth of 486mm was needed to handle the power block with its large heat sinks. The chassis was a type used even now for both high-end audio and A/V with a double bottom structure, and while it didn’t look it, it was a weighty 20kg, giving it the heft of a pro-class model. This model could have its main power controlled in tandem by the remote control of the CX-1/2 or other control amplifiers or A/V amplifiers with remote control outputs, and in addition to other uses there was a demand for it for upgrading home theater systems. the MX-2 was on sale until 2005.
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