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SOLD - FOR SALE: Foundation Research LC-1

Item #17988
Info: Foundation Research LC-1

Asking Price:
CAD $450.00
Payment method: Cash, Paypal
Condition: N/A (?)
Date Posted: Nov 01, 05 9:24am (PST)
Edited: May 24, 06 2:26pm
About Seller: ON, Canada
Days in System:732649

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Original Model with switchable line phase option 9/10 condition. Audiogon shows one posted @$625 USD Description: The Foundation Research LC1 is an AC Line Filter. The LC1 may be used to power a wide range of low powered audio equipment. Included are preamplifiers, CD players, CD transports, DACs, tuners, tape decks, phono stages, turntables and passive electrostatic loudspeaker systems. Rationale: The ac power line injects noise into audio equipment. A filter removes noise from the ac power line by presenting an impedance mismatch to the undesirable noise signal. An impedance mismatch reflects noise back into the power line. This fundamental behavior is that of a band reject filter. Another source of noise is the audio equipment itself. The power supplies in audio equipment inject noise back into the power line. Large power supplies like those in power amplifiers tend to create more noise. A power amplifier delivers noise to a preamplifier plugged into the same power source. Digital components can also be significant generators of power line noise. When noise is removed from an audio system, the system sounds better. The degree of sonic improvement obtained from noise filtration depends on several factors. The level of ac power line noise varies between locations and with time of day. The noise sensitivity of audio equipment and the noise generated by the equipment varies. The degree of noise removal between different filters varies dramatically. The sensitivity of listeners to noise is by no means a constant. The LC1 and LC2 ac power line conditioners are bi-directional noise filtration systems. They stop a great deal of power line noise from entering audio equipment and also stop the audio equipment from injecting noise back into the power line and hence into other components. This is why an individual filter per audio component is so desirable. Each component receives a largely isolated source of nearly noise free ac power. Can Email picture if required.


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