As early as in 1978, Mr. Kondo of The Audio Note Company, Japan,
introduced his IO cartridge design. The revolutionary nature of
the design runs contrary to most accepted design criteria, now,
as they did then. The result is a small range of moving coil cartridges,
which are second to none in dynamic range, tonal balance, separation,
timbral reproduction, and lack of colouration and surface noise.
There are currently three IO series cartridges - the IOIIV, IOIV
and IOLtd.To find out more about the IO series of cartridges, click
here.
Download write-up about IO Series Cartridges
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The IQ cartridges are a refinement of the established Moving Magnet
design principle.The IQI has a stiffer than usual suspension system
and careful attention has been paid to the mechanical assembly of
the generator. The stylus profile is a Van den Hul type 2. The IQII
is similar to the IQI but uses a better stylus profile.