Its
a Pro 50 on steroids!!
The Reference 100 has the same
diminutive dimensions as the award winning
Pro 50, but includes a few extra muscular
implants. A larger transformer for a kick
off, an uprated 200mm driver, a powerful
120 watt amplifier and if that's not all,
it has the same digital display D.A.M.P
technology as its bigger brothers the Reference
150 and Reference I, to make setting up
kids play, all for a fraction above the
excellent low price of the Pro 50.
Huge sound, deep, fast, musical, compact,
yet powerful, just some of the words you'll
utter once you've heard the Reference 100.
A 120 watt amplifier (why didn't we call
it the "Reference 120") powering
a 200mm long throw driver, makes the Reference
100 a truly awesome performer for its size.
Its beautiful cabinet finish and muscular
composure, further add to its aesthetic
appeal.
Crossover
The "Reference 100" has the
ultimate in sophisticated crossover circuits.
A Digitally Accurate MicroProcessor controlled
crossover circuit (DAMP), incorporates
a digital display so that the upper response
limit can be set in musically accurate
variable increments between 30hz and 120hz.
A "straight-through" LFE bypass
facility is activated at one end of the
controls travel which allows the input
signal to bypass the filter circuit. The
LFE bypass is used where an already filtered
signal is offered to the low level input
sockets. An example of this would be a
sub output from a dedicated control pre-amplifier
such as found in a Home Cinema system.
Controls
There are separate gain controls for high
and low level inputs, a "straight-through"
LFE bypass and an audibly transparent,
"Automatic Speaker Protection"
(A.S.P.) circuit which monitors the output
stages for clipping and limits the cone
movement if the amplifier is being over-driven.
A professional Neutrik Speakon connector
is standard for the "Reference 100's"
stereo high level input. Gold-plated pins
inside and an approved touch proof design
to cater for potentially high voltages
that can be connected to it complete the
high level input socketry. Additionally,
gold plated RCA connectors are offered
to cater for low level input. There is
a relay in the signal output of the amplifier
which waits for 2-3 seconds before it
connects the loudspeaker. This allows
the power supply to settle and prevents
a loud thump that would occur without
it. When switched off, the relay instantly
disconnects the loudspeaker and allows
the power supply and output transistors
to discharge without noise. The amplifier
panel is constructed from high grade 4mm
thick aluminium sheet and has a 0.46ºC/W
Heat-sink rating. Additionally the Bi-Polar
transistors are bolted to this plate to
further reduce the required heat build-up
as output rises. This combination enables
the amplifier, even under continuous high
loads to run amazingly cool during operation.
As an added security measure a 90ºC
thermal trip is added to the platform
to prevent heat stress to components when
over driven.
D.A.M.P.
"Digitally Accurate MicroProcessor"
controlled crossover circuit (DAMP).
The "Reference 100" has the
ultimate in sophisticated crossover circuits.
A Digitally Accurate Microprocessor controlled
crossover circuit (DAMP), incorporates
a digital display so that the upper response
limit can be set in musically accurate
variable increments between 30hz and 120hz.
A "straight-through" LFE bypass
facility is activated at one end of the
controls travel which allows the input
signal to bypass the filter circuit.
A.S.P.
A.S.P. (Automatic Speaker Protection).
This circuit monitors the output and
the input of the amplifier. As the output
reaches close to the limit of the power
supply rails the input is instantly
reduced to prevent the amplifier from
clipping. The dynamic range of the amplifier
is not compromised as the circuit has
been set to activate at a point beyond
the full dynamic range before protection
is activated.
