AYRE K-3 - Manual (Page 11)

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Phono Stage
The optional phono stage in the Ayre K-3x offers the
ultimate in flexibility and performance for all types of
phono cartridges.
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Do not connect a line-level source to the phono
input as damage to the phono stage may result.
The balanced phono
configuration yields
maximum sonic performance
with minimum hum or
interference.
As the phono cartridge is an inherently balanced device, the
Ayre K-3x phono stage is also balanced, using XLR jacks at
the input. Since most tone arms and/or turntables are not
equipped with XLR connectors, there are two choices for
making the proper connection:
1) Use an RCA-to-XLR adapter. This often may be the
easiest solution to implement, but introduces an extra set of
contacts into the signal path. In addition, this converts the
balanced source into an unbalanced input and causes a
slight loss of sound quality.
2) Use dedicated cables with XLR connectors at the
preamplifier end and the appropriate connector (RCA or
DIN, depending on the particular installation) at the
turntable end. This is the preferred solution and offers the
highest level of sound quality.
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