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i22 integrated amplifi er
The I22 is an upgradable two x 80 watt integrated amplifier utilising twin proprietary Ultra Fast Power Device (UFPD) power modules. UFPD’s
performance results in a naturally fast, clean and agile sound over a much wider frequency range and with exceptional headroom. Ecologically
the I22 is far superior to conventional Class A/B designs being extremely efficient without generating excessive heat. In addition it provides a
special eco-friendly standby mode of just 0.3W. Clearly visible on the I22’s white dimmable VFD display is a versatile menu, which allows the
renaming of inputs, and the setting of operational parameters for each – volume, balance and power-up level for example.
What is UFPD?
Primare’s UFPD technology provides for the possibilities of a full-range ‘audiophile’ Class
D design. It is a new and significant Class D technology which is remarkable for its per-
formance consistency across the entire audio bandwidth. Traditional Class D amplifiers
have a signature response, which is fabulous at low frequencies but can sound harsh and
brittle at higher frequencies due to circuit instability produced by insufficient feedback.
UFPD actively adjusts the feedback required to deliver a higher level of gain across the
entire audio band, maintaining performance irrespective of load (impedance) variations.
Primare’s UFPD treats all signals equally, keeping distortion very low at all frequencies.
With a very wide ‘load independent’ frequency response UFPD is able to drive any spea-
ker while maintaining control and accuracy.
Upgradable Design
An optional DAC board is available, comprising three digital inputs for the upgrading of
existing CD players via their digital outputs, and the streaming of music files from PCs and
Macs. There is an isochronous USB-B input (16-24bit data at 44.1 to 96kHz), a TOSLINK
connector (16-24 bit data at 44.1-192kHz) and SPDIF (16-24bit/44.1-192kHz). Specialised
processing at the Isochronous USB-B input re-clocks the incoming data for reduced jitter
and greater bit resolution through the DAC, optimising sound quality from music files.
Additional Features
So as not to damage little ears, the I22 can be set to a maximum volume level using the
C23 system remote or the I22 controls. For seamless home theatre system integration,
the I22 contributes its two independent 80W amplification channels through input four
when the SSP mode is selected.
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