Unpacking
EachTannoyVLSSeriesloudspeakeriscarefully
tested and inspected prior to shipment. After
unpacking, please inspect for any exterior
physical damage, and save the carton and
any relevant packaging materials in case the
loudspeakeragainrequirespackingandshipping.
Intheeventthatdamagehasbeensustainedin
transit,pleasenotifyyourdealerandtheshipping
carrierimmediately.
Connectors and cabling
VLS Series loudspeakers are connected to the
amplier(ortootherloudspeakersina70/100V
systemorseries/parallelconguration)usingapair
ofinternallyparalleledbarrierstripconnectors.
All VLS Series models can be operated as
either a low impedance loudspeaker or within
a70.7/100Vdistributedsystem.Theoperation
modeisselectableviaasingleswitchlocatedon
therearofthecabinet(seebelow).
Operationinlowimpedancemodeoftenwillrequire
useoflargerdiametercablesthanareneededfor
a70/100Vdistributedsystem.Pleaseconsultthe
fullVLSOperationManualforrecommendedcable
typesforvariousapplications.
Switch for Low-Z and
transformer tap selection
A multi-position rotary switch on the rear input
panelselectseitherthelow-impedanceoperating
mode or the high-impedance modes (70 V or
100 V) with available transformer taps. When
usingVLSSeriesloudspeakersindistributedline
systems, the transformer can be tapped with
availablepowerlevelsshowninthetablebelow:
70 V 100 V
5W 9.5W
9.5W 19W
19W 37.5W
37.5W 75W
75W 150W
150W -
Alltransformerprimariesshouldbeconnectedin
paralleltotheoutputoftheamplier.Thesummed
total power rating in watts of the selected tap
settings for all connected loudspeakers must
notexceedthetotaloutputpowerratingofthe
connected amplier output channel in watts.
It is recommended that a generous power
safety margin (minimum 3 dB headroom) be
maintained between the total loudspeaker
power requirements and the amplier output
capacitytoavoidcontinuousamplieroperation
atfullratedoutput.
