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Elektra Nu-Vista 800 - Musical Fidelity Manual

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Page 6
Introduction
Congratulations on the purchase of the new Nu-Vista 800 integrated amplifier. Great attention has been paid to
internal layout, isolating each circuit section to prevent possible interaction. The unit features a finely tuned and
tweaked Nu-Vista valve preamplifier, for smooth sound coupled with low noise and virtually no distortion.
The power amplifier consists of two top quality power amplifiers for the absolute best in separation and imaging.
Generously rated, they are enough to drive even the most demanding loudspeakers with ease. Low distortion and
very quiet they will deliver all music types exactly as the artist originally intended.
The resultant performance achieved by this unit is among the best in the world. It has excellent signal to noise
ratio, low distortion, wide bandwidth and dynamic range, with extraordinary resolution and fine detail.
Cleaning
Before cleaning the unit, switch off power at the mains switch and remove the mains plug from the wall socket.
Clean the cabinet and remote control unit using a moist cloth. Using solvents, white spirit or thinners is not advised,
as they could damage the surface finish.
Installation
Position the Nu-Vista 800 on a stable, horizontal surface where there is no risk of it being knocked, or subjected
to vibration such as from loudspeakers.
Important note:
During normal operation, the unit dissipates an appreciable quantity of power at all times, and it is
important that it is well ventilated. The top and bottom are perforated to allow the smooth flow of
heat through the unit. However, the unit must not be enclosed in a cabinet or placed where the
ventilation holes are impeded as this could result in excessive heat build-up.
The Nu-Vista 800 must be protected from humidity – if the unit is moved from a cold place to a warm
room, leave the unit for an hour or so to allow sufficient time for the moisture to evaporate.
Power Connections
The Nu-Vista 800 is supplied with a standard IEC mains cable which plugs into the IEC socket at the back of the
unit (see page 7). When plugged in and mains supply is present the orange STDBY LED will light.
Audio Connections
RCA Inputs: Connect all RCA single-ended sources to relevant analogue inputs (see page 7 for more
information). Use good quality fully connected (signal and ground) coaxial phono cables for all RCA signal
connections. Take care with positioning all input leads, try to ensure that they are well shielded and kept as far
away from mains and speaker leads as possible.
XLR Balanced inputs: Connect source balanced outputs to Nu-Vista 800 balanced inputs using good quality
XLR balanced leads. Recommended lead wiring is shown on P.7. Note some products simply connect “cold” input
pin 3 to ground. This does no harm to unit, but may result in an audible reduction in signal level from this input
and a slightly worse signal to noise ratio.
Speaker Outputs: Connect loudspeakers to the terminals on the back panel marked as LEFT and RIGHT
SPEAKER outputs. See “WIRING” P.11 for more details.
LINE output sockets allow loop through of analogue signals for example, to pass on to a recorder or monitor. It is
also the ideal output to connect headphone amps into (headphone amplifier will require its own volume control to
allow listening level adjustment). This output is the currently selected source but level is not changed by the front
panel volume control.
PRE-OUT output sockets allow analogue signals controlled by the volume, to pass on to, for example, an external
power amplifier. This is useful for bi-amping or active “subwoofer” connection where volume out needs to be
controlled by the Nu-Vista 800 front panel volume knob.
INSTALLATION
… 6 …


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