Applied Research and Technology (ART) Tube PAC Specification
~ Into a Line Input of a Mixer ~
~ Tube PAC Used as a Tube DI ~
TUBE PAC
PROFESSIONAL TUBE PREAMPLIFIER/ COMPRESSOR
T
he Tube PAC from A R T is a combination of the world’s most popular tube mic/line preamplifi-
er and optical tube compressor. A R T engineers took the Tube MP and Tube Compressor
and combined them into a single convenient aircraft-quality, extruded aluminum chassis. This new
table-top design allows for easy placement in the studio or on the stage with immediate access to
all the controls, features, and metering. In addition to being a tremendous vocal and instrument
preamplifier and compressor package, this may well be the ultimate in tube direct boxes!
The mic/line preamplifier stage is that of the TEC nominated Tube MP – a time (and studio) proven
design. It provides over 70dB of gain, +48v phantom power, phase reversal, and is capable of
warming up any instrument or microphone. LED level indicators are provided to monitor the output of a 12AX7a tube for harmonic content. The input level controls allows you to dial in the
desired amount of tube warmth and then independently set the output level from the compressor
circuitry. The tube compressor is a VCA-less, optical design–similar to that of the “classic” tube
compressors. Its ultra-musical sound is ideal for voice and instrument applications. Threshold,
compression/limiting ratios, adjustable release times, bypass, gain reduction metering, and output gain controls are provided.
The Tube PAC is another impressive package from the world-wide leaders in tube dynamics signalprocessing gear. Pick one up and catch your own tube-buzz at your favorite A R T dealer today.
FEATURES:
COMBINATION TUBE
MIC/LINE PREAMPLIFIER
AND TUBE COMPRESSOR
TWO HAND-SELECTED
12AX7A VACUUM TUBES
WORLD FAMOUS A R T
SOUND
TWO WORLD-CLASS
DESIGNS IN ONE CHASSIS:
TEC NOMINATED TUBE MP
AND OPTICAL TUBE
COMPRESSOR
THE ULTIMATE TUBE DI
BOX FOR INSTRUMENTS
FAT AND WARM GAIN
WITH MUSICAL DYNAMICS
CONTROL
PRECISION DETENTED
POTENTIOMETERS
+48V PHANTOM POWER
BYPASSABLE COMPRESSOR
CIRCUITRY
BALANCED XLR AND
UNBALANCED 1/4” INPUTS
AND OUTPUTS
INTERNAL TRANSFORMER
AIRCRAFT-QUALITY
EXTRUDED ALUMINUM
CHASSIS
DESIGNED AND
MANUFACTURED IN THE
USA
ONE YEAR WARRANTY
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LINE INPUT
1/4” out to amp
XLR out to mixer
~ Mic or Instrument Direct to Tape Through the Tube PAC ~
SPECIFICATIONS:
Dimensions 5.25"D x 8.5"W x 1.65"H
Weight 6.0 lbs
Maximum Gain XLR to XLR 70dB
1/4” to 1/4” 67dB
Phantom Power +48v DC (switchable)
Compression Ratio 2.3:1 (comp)/ 6:1 (lim)
Attack Time 6.5ms
Release Time 200ms (fast), 70ms-1sec (auto)
Equivalent Input Noise -129dBu (XLR to XLR, ‘A’ weighted)
Dynamic Range >90dB (no weighting)
Input Impedance 1.67k ohms (XLR), 1M ohm (1/4”)
Output Impedance 600 ohms (XLR), 300 ohms (1/4”)
Maximum Input Level +15dBu (XLR), +21dBu (1/4”)
Maximum Output Level +27dBu (XLR), +22dBu (1/4”)
CMRR 90dB (typical)
Total Harmonic Distortion (THD) <0.1% (typical)
Tubes Two Hand-Selected 12AX7a
Power Requirements 100-125 VAC, 16W (Export units configured
for country of destination)
APPLICATIONS:
Home, Project, and Professional Recording Studios
DI Box for Instruments
FOH Sound Systems
Guitar, Bass, and Keyboard Rigs
Digital Audio Workstations and Computer Recording
MIDI Recording and Samplers
Voice-Over, Broadcast, and Edit Suites
APPLIED RESEARCH AND TECHNOLOGY, INC. 215 TREMONT STREET, ROCHESTER, NY 14608 USA Vox:
716.436.2720, Fax: 716.436.3942, http://www.artroch.com
Features and specifications subject to change without prior notice.
1997 Applied Research and Technology, Inc. 000-102-131
TUBE PAC
SPECIFICATIONS
“.. the Tube PAC was clearly
superior, offering a much
more open sound without
the brittleness and ‘hard-
ness’ of the console pre-
amps. When home and
project studio owners start
using the Tube PAC instead
of their low-priced console
mic pres, they’ll most likely
notice a significant
improvement.”
Loren Alldrin
Pro Audio Review
September, 1998
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