IT-1230 Manuals



®
IT-1220: “BEST
TEC AWARD
NOMINEE
 ANCILLAR
BALANCED ISOLATION
Y EQUIPMENT”
TRANSFORMERS, 10/20/30 A
MODELS IT-1210, IT-1220, IT-1230
    IT-1220 shown (IT-1210 and IT-1230 front panels are similar).
FEATURES
into sensitive lines, particularly low level and unbalanced sources.
q Available in 10 Amp, 20 Amp and 30 Amp models
The IT-1210, IT-1220 and IT-1230 not only dramatically
q Provides precisely balanced AC power for ultra-low-noise
reduce the noise floor but also have been reported to noticeably
installations
improve dynamic range and sonic clarity.
q Typically gives a 16 dB improvement in background noise
At the heart of these units is a specially wound and shielded
floor
toroidal isolation transformer with a center-tapped secondary.
q Toroidal transformer with center-tapped secondary is the
These precision transformers, in conjunction with wideband
most efficient and compact design, with minimal magnetic
EMI/RFI filters and output spike protection, make these units
field leakage
excellent power conditioning solutions for any situation.
q Exclusive “Soft Start” circuit prevents turn-on transients
An IT-1210 or IT-1220 can be installed in minutes without the
and high inrush currents
need for an electrician; the IT-1230 may require some help in
q Faraday shield reduces electrostatic coupling between
choosing and wiring an appropriate supply cable. All three models
primary and secondary
provide clean and completely safe power – there is no need to
q Extreme Voltage Shutdown circuit protects against
“lift grounds” or compromise the integrity of safety ground wires to
dangerously high or low input voltages
achieve hum reduction.
q Microprocessor-controlled “smart” AC voltmeter monitors
Special features include an accurate, self-checking AC
line voltage, flashes alerts for marginal and extreme
voltmeter that not only measures normal voltages, but also
conditions
flashes eye-catching special pattern alerts for off-scale but not
q Provides basic power conditioning (spike suppression, RFI
extreme conditions (80-90 or 130-140 Volts); an Extreme Voltage
filtering) plus gas discharge tube to dissipate spikes
Shutdown circuit to cause a protective shutdown if the unit is
q Ground fault circuit interrupter (GFCI) protection
exposed to dangerous voltages (like accidental connection to 220
q Models IT-1210 and IT-1220 UL/CUL listed
Volts); and Furman’s exclusive “Soft Start” circuit to prevent the
large inrush surge currents and spikes that would otherwise occur
at turn-on and turn-off with such large transformers.
The IT-1210 occupies two rack spaces (3.5" high); the IT-1220
DESCRIPTION
and IT-1230 occupy three rack spaces (5.25" high).
Designed for the most critical, ultra-low-noise installations,
The IT-1210 and IT-1220 rear panels provide 12 outlets, the
the IT-1210, IT-1220 and IT-1230 can supply 10, 20 or 30 Amps
front panel provides two. The IT-1230 rear provides ten 20 Amp
of balanced AC power to recording studios, video or film
outlets, one 30 Amp twistlock outlet and one 30 Amp twistlock
production facilities, broadcast stations, etc. These models
inlet. The front provides two 15 Amp outlets. All outlets are
drastically reduce hum and buzz caused both by ground currents
balanced and Ground Fault Circuit Interrupter protected.
from power supply filtering and by radiation from supply cables
Furman Sound, Inc. q 1997 South McDowell Blvd. q Petaluma, CA 94954 USA
Phone: (707) 763-1010 q Fax: (707) 763-1310 q http://www.furmansound.com


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