Parasound TDQ-150 User Manual
R/EQ-150 Owner's Manual
O W N E R ' S M A N U A L
R/EQ-150 Room Equalizer
Congratulations on your purchase of this precision audio component and thank you for choosing
Parasound. We are sure that you will find the R/EQ-150 to be a very useful problem solving tool. Even
if you have used an equalizer before, please take time to review this manual to take complete advantage
of the R/EQ-150’s unique capabilities.
R/EQ-150 Room Equalizer
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Product Overview
Loudspeakers interact with every room differently. Often room acoustics are challenging and
compromises in speaker size and placement have to be made for aesthetic reasons. Consequently, the
quality of sound may not be as good as intended. Your Parasound R/EQ-150 permits you to subtly
adjust the frequency response characteristics in these situations and improve overall sound quality.
The Parasound R/EQ-150 has one-half octave width ±8 dB boost and cut controls centered at 40 Hz,
80 Hz, 120 Hz, 2.5 kHz and 6 kHz. These frequency ranges were carefully selected so that you can
easily make precise improvements in frequency response curves in difficult installations while
minimizing potential adverse effects should the controls become accidentally misadjusted.
Unpacking the R/EQ-150
You should find the following items within the packing carton:
• The R/EQ-150
• An 18 AWG audiophile-grade AC cord
• Owner's manual
Save your carton and packing inserts for safe transport in case you move or the unit ever requires repair.
If you ever need to ship the R/EQ-150 to us, be sure to pack it into an additional outer carton for
protection against shipping damage. Locate the serial number for the R/EQ-150 on the bottom of the
unit and record it here for future reference: __________________
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Parasound
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
120 Vac/60 Hz 5W
R/EQ-150 Room Equalizer
Parasound Products, Inc.
San Francisco, CA USA
Input
Output
R
L
Fuse
Holder
Connect Input Jacks
to line Output Jacks
of Preamp or Play/Out
of Receiver Tape
Monitor Loop
AC Connector Connect Output Jacks
to Input Jacks of
Power Amp or Rec/In Jacks
of Receiver Tape Monitor Loop
Placement of Your R/EQ-150
Your R/EQ-150 may be located with your other audio/video components. Once final adjustments have
been made, you can even locate it out of sight. Try to keep your R/EQ-150 away from AC power cords
or power amplifiers that might induce hum and noise. The R/EQ-150 generates virtually no heat so it
does not require ventilation.
AC Connections
Connect the supplied AC cord from the AC inlet of the R/EQ-150 to a nearby AC wall outlet or power
strip. There is no AC switch on the R/EQ-150; it is powered on whenever it is plugged in. Its power
consumption is negligible, so you do not need to worry about switching it on and off with the rest of
your system.
Connecting Your R/EQ-150 Between a Preamplifier and Power Amplifier
Connect your preamplifier’s left and right line or main outputs to the left and right input jacks on your
R/EQ-150. Next, connect the left and right outputs of the R/EQ-150 to the left and right input jacks of
your power amplifier.
Connecting Your R/EQ-150 into a Tape Monitor Loop
If your preamplifier or receiver has an unused tape monitor loop, connect the Rec/Out jacks of the
preamp or receiver to the left and right input jacks of your R/EQ-150. Next, connect the output jacks of
the R/EQ-150 to the Play/In jacks of your preamp or receiver. Press the preamplifier or receiver's
monitor button to engage the R/EQ-150
Connecting Your R/EQ-150 into a Surround System
Connect your surround processor’s front left and right line or main outputs to the left and right input
jacks on your R/EQ-150. Next, connect the left and right outputs of the R/EQ-150 to the left and right
input jacks of your power amplifier. With additional R/EQ-150s, you can also this process for your
center, surround, and subwoofer channels. Do not connect the R/EQ-150 to the processor's input to
prevent overload and distortion.
Drawing # 1: Rear Panel Connections
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