Installation
Considerations
The Tenor Phono 1 needs to be located in a clean, safe and dry environment within
close proximity to the AC power mains for the provided 2m AC power cord to connect
to the wall and also be close enough for the user supplied interconnects to connect to
your preamplifier and turntable/arm combination. Placement on a ventilated open
shelf built for audio equipment is of course ideal.
3
rd
Party Isolation Stands
Mechanical isolation of the main Tenor Phono 1 audio board is achieved with a custom
made tuned suspension. All Tenor amplifiers use custom rubber/wood feet combina-
tions to isolate the chassis from externally generated acoustic vibrations transmitted
from shelves. Although not necessary, 3
rd
party isolation stands can be used but do
ensure that the units support a 58.5 lb/26.5 kg weight of the Phono 1. Please note
that the weight is not evenly distributed about the centre axis from front to back of
the Tenor Phono 1 as the balance point is forward of centre - this sometimes affects
the stand performance and should be discussed with the stand manufacturer.
Placement
AC power mains should be within reasonable access of the Tenor Phono 1. The Tenor
Phono 1 can be ideally installed on an isolated 15 amp circuit @ 1xx Volts (8 Amps @
2xx Volts) with other source equipment. Sharing common AC power mains for source
equipment is recommended as that generally simplifies any potential for ground loops
that cause undesirable 50/60 Hz ground loop hum. Special grounding options exist in
the Tenor Phono 1 as well as other Tenor amplifiers to mitigate ground loop hum in the
event that ground hum poses a problem. See details if necessary.
Ventilation
Ventilation of the Tenor phono stages occurs by natural convection without the need
for electric cooling fans. Ventilation slots in the bottom of the chassis and top cover
plate allow sufficient cooling under normal operating conditions. It is imperative that
these vents be kept clean and unobstructed.
Please note, never stack equipment on
top of each other
as the phono stage should have its own shelf with ample ventilation
above and below the chassis to operate properly
.
It is normal for the top cover panel to get warm especially over the tube audio board
of the Phono 1. It is necessary to keep this top cover installed at all times for safety
from high voltages. Keep top cover clear at all times to ensure maximum ventilation to
allow the proper cooling of internal components including the vacuum tubes. The
phono stage sides act as a natural heat sink which provides cooling for the internal
output devices. The heat sinks run reasonably cool as long as they are kept clean and
unobstructed. Do not operate the Phono 1 in bottom half of their travel cases as this
will overheat the unit and void the warranty!
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