Introducing PurePower's Audiophile power regeneration systems.
The technology behind the PurePower™ APS.
Your AC power supply would be ideal if you could plug your
system components directly into the main generator at the
nearest hydro electric generating station without the
intervening transmission system and other customers sharing
the line – assuming you could hear the music over the roar
of the waterfalls. The PurePower™ APS provides the
next best thing. It quietly generates a new, clean, 240
volt, 50 cycle sine wave right beside your audio or home
theatre system, so there is no opportunity for outside
influences to introduce unwanted waveform distortions.
Double conversion
design:
The utility supply from the wall outlet is
filtered and surge protected. It is then converted by a
rectifier circuit to a finely regulated direct current.
This DC is then used by the inverter circuit to regenerate
a new clean AC source. The battery module placed on
the DC side ensures that no matter what happens to the
utility power supply, there will be full current and
voltage at the rated value to keep your components
connected to an ideal pure power supply.
This double conversion technology provides a perfect
barrier to power problems that might exist in the utility
line. No distortions can pass through the DC intermediate
circuit. No EMI, no RFI, no spikes, no high voltage
transients, no damaging surges can reach your components.
In fact, if it were possible for a damaging spike to get
past the PurePower™'s built in surge protection system, it
would still not reach your sensitive components.
The PurePower™ APS maintains the accuracy of its 240 volt
sine wave at a steady 50 cycles even at its full output no
matter how low or high the voltage of the utility supply,
so the amplifier never suffers current limits, regardless
of how momentary.
Utility supply vs. Regeneration:
Does regenerated power really give me
anything that the power in my wall can't provide?
Recent testing conducted at Audio Ideas Guide
magazine shows what the PurePower™ can do. The power at the
wall was measured to have a lower than optimal voltage and
a host of harmonic distortion at various frequencies
resulting in flat topped wave forms, but reasonably good as
utility supplies go. The power output of the PurePower™ APS
was measured showing full availability with minimal
harmonics or wave form distortion.
The power requirements of a Bryston 9B SST THX 5
channel power amplifier was measured with broad
spectrum pink noise input. Measurements were take both on
utility and with the addition of the APS. There were
dramatic differences in current draw between the two
setups. Without the PurePower™ APS, the amplifier could not
draw the current it was asking for. The addition of the APS
increased the power draw of the Bryston by almost 2 amps.
The measurements also showed marked reduction in total
voltage distortion and the ability to match the needs of
the equipment. This is achieved without the
overwhelming overhead of some other regeneration
technologies - the PurePower™ APS has an energy efficiency
of between 85 and 92%!
Current Unlimiting!
The PurePower AC regeneration design
provides something you might not expect from a power
solution. Many power filtering and conditioning products
are routinely accused of limiting the current flowing
though them, thus starving the power amps with their need
for lots of instantaneous current on demand. Testing shows
how the PurePower actually has the capability to deliver
more current that even a completely unfettered and
unfiltered household outlet. In the Bryston equipment test
measurements shown above, the 9B SST demanded AC to produce
the required output to the speakers. The Amp drew 3.88 amps
at its peak demand. When powered from the PurePower 1050,
the amp was able to draw 5.6 amps at peak! That's almost a
50% increase!
This is possible due to the nature of AC regeneration
technology. One of the primary goals is to be able to
provide for maximum current variation on demand without
allowing the sine wave or voltage level to be adversely
affected. While you want voltage to be rock solid, noise to
be at a minimum and the sine wave to be pristine, you also
want to be able to have the most current possible available
exactly when it is needed. The more instant current change
you can provide without affecting any of the other power
variables, the better your system can perform.