PLACEMENT
Your system should be set up for the shortest possible cable lengths, although the extreme low output impedance of the
Gryphon Preamplifier XT does make it suitable for long cable runs.
The Gryphon Preamplifier XT chassis consists entirely of non-magnetic materials. Our extensive research has shown
that magnetic fields have a deleterious effect on the performance of audio circuitry, especially on Moving Coil and RIAA
circuits which handle ultra-low level signals.
In order to optimize the outstanding signal-to-noise ratio of the Gryphon XT, it should be placed as far away as possible
from strong magnetic fields (such as large transformers in power amplifiers, etc.).
Consequently, the MM/MC version of the Gryphon Preamplifier XT should NOT be placed on top of the power supply. In
this case the power supply may only be placed to the right of the preamplifier (as seen from the front) or, preferably, with
the greatest practical distance between transformers and the phono circuitry. Careful placement of the power supply and
preamplifier will prevent hum and noise in unshielded cables which may be caused by the electromagnetic field
generated by power supply transformers.
The line version of the preamplifier is less critical of placement.
We suggest that you experiment in order to find the position that works best in your environment.
The power supply includes a captive 1.2 meter connecting cable.
Generally, power cords should be kept away from signal interconnect cables and loudspeaker cables should not be
wound in circles.
AC CONNECTION
The proper voltage for your Gryphon Preamplifier XT is factory pre-set. Ideally, you should use the same AC power
source for the Gryphon Preamplifier XT and source components (turntable, tuner, CD player, etc.), except devices with
large power consumption, such as power amplifiers.
All power supplies should ideally be connected symmetrically to the power source for identical polarity.
Experiment with reversing both power supply plugs to find the optimum position. Correct polarity will particularly affect
the reproduction of the decay of transients, the depth of the soundstage and the ambience of the recording venue.
The power cord of the Gryphon Preamplifier XT is terminated with a three-pin plug. Connection to mains earth is strongly
recommended to derive maximum benefit from the dual-stage AC filtering of the power supply.
See the section on »The Art of Grounding« for further advice.
CAUTION (MC version only)
Connect the Gryphon Preamplifier XT to an AC power source BEFORE connecting any components to the Gryphon
Preamplifier XT. Because there are no relays in the MC module, allow three minutes for the Gryphon Preamplifier XT to
stabilize.
The turntable should always be turned on before turning on the power amplifier.
Always turn the power amplifier off before turning off the preamplifier. (We recommend leaving the Gryphon Preamplifier
XT on at all times).
When the preamplifier is not left permanently on, it should a ways be turned on before the power amplifier.
DUAL MONO DESIGN
The Gryphon Preamplifier XT is a pure dual-mono configuration with two independent power supplies and separate AC
cords for total galvanic channel separation.
The Gryphon Preamplifier XT is, in fact, two completely autonomous mono preamplifiers.
Absolute dual-mono construction ensures minimal crosstalk and maximum channel separation, for improved stereo
perspective, better focus and greater dynamic stability.
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