Furman Q1311 User Manual
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Contents
Introduction ...................................................................................................................................3
Features .........................................................................................................................................3
Warnings ....................................................................................................................................4
Description ....................................................................................................................................5
Q-1311 Front Panel Controls ........................................................................................................6
Q-1311 Rear Panel Connections .................................................................................................6
Q-1312V Front Panel Controls .....................................................................................................6
Q-1312V Rear Panel Connections ..............................................................................................6
Q-2312 Front Panel Controls ........................................................................................................7
Q-2312 Rear Panel Connections .................................................................................................7
Q-2151 Front Panel Controls ........................................................................................................7
Q-2151 Rear Panel Connections .................................................................................................7
Q-2152V Front Panel Controls .....................................................................................................8
Q-2152V Rear Panel Connections ..............................................................................................8
Descriptions of Controls ...............................................................................................................8
Front Panel .................................................................................................................................8
Rear Panel ...............................................................................................................................10
Operational Overview ...............................................................................................................11
Installation ...................................................................................................................................12
Available Accessories ...............................................................................................................12
Three Year Limited Warranty .....................................................................................................13
Service .........................................................................................................................................14
Specifications .............................................................................................................................15
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Introduction
Congratulations on your purchase of a Furman Sound Q-Series Graphic Equalizer. You
have chosen an instrument which offers outstanding features, superior performance,
and unequalled versatility in shaping the tone of your musical, vocal and audio program
material. As with all Furman products, the Q-Series Graphic Equalizers are used in highend sound reinforcement, broadcasting, recording, audio for video and film production,
DJ systems, musical instrument amplification, and even audiophile home stereo
applications.
Even if you are an experienced audio professional, please take a few moments to read
this brief manual. It will help you get the most out of your Q-Series Equalizer.
This manual covers five models:
Q-2151: Dual 15-band, single rack space
Q-1311: Single 31-band, single rack space
Q-2312: Dual 31-band, double rack space
Q-2152V: Dual 15-band, long-throw sliders, VU meters, double rack space
Q-1312V: Single 31-band, long-throw sliders, VU meter, double rack space
Features
• Constant-Q response for maximum graphic accuracy.
• Versatile connectivity via XLR, balanced 1/4” phone, and RCA inputs and outputs.
• High-performance, detented sliders
• ISO 1/3 octave (Q-1311, Q-1312V, Q-2312) or 2/3 octave (Q-2151, Q-2152V)
frequency bands.
• Superior common-mode rejection.
• Heavy-duty, shielded power supply to assure cool and reliable operation.
• Integrated ground lift for quiet operation.
• Selectable ±6dB or ±12dB range switches with LED indicators for precision operation.
• Bypass switch with LED indicator.
• Overload “Clip” LED warning indicator.
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• Output level control.
• Rugged all steel construction.
Warnings
Environment
Never place this product in an environment that could alter its performance or reduce
its service life. Such environments are usually characterized by high levels of heat, dust,
moisture, or vibration.
Safety
1. Read and follow all instructions carefully.
2. Do not operate this apparatus near water.
3. Clean only with a damp cloth.
4. Install only in accordance with the instructions in this manual.
7. Do not defeat the safety purpose of the polarized or grounding type plug. A polarized
plug has two blades, with one wider than the other. A grounding type plug has two
blades and a third grounding prong. The wide blade or the third prong is provided for
your safety. If the provided plug does not fit into your outlet, consult an electrician for
replacement of the obsolete outlet.
8. Protect the power cord from being walked on or pinched, particularly at plugs,
convenience receptacles, and the point where it is attached to the apparatus.
9. Unplug this apparatus during lightning storms or when unused for long periods of
time. For complete protection against lightning strikes and related hazards, a more
sophisticated protection device is needed, such as the Furman PRO Series Power
Conditioners, or the AR-Series AC Line Voltage Regulators.
10. Refer all servicing to qualified service personnel. Servicing is required when the
apparatus has been damaged in any way, such as power supply cord or plug is
damaged, liquid has been spilled or objects have fallen into the apparatus, the
apparatus has been exposed to rain or moisture, does not operate normally, or
has been dropped.
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Description
The Q-2151 is a dual channel 15-band equalizer, using short-throw 20mm sliders and
housed in a single rack space chassis.
The Q-1311 is a single channel 31-band equalizer, using short-throw 20mm sliders and
housed in a single rack space chassis.
The Q-2312 is a dual channel 31-band equalizer, using short-throw 20mm sliders and
housed in a two rack space chassis.
The Q-2152V is a dual channel 15-band equalizer, using long-throw 60mm sliders and a
highly accurate VU meter, housed in a two rack space chassis. It is suitable for the most
critical applications.
The Q-1312V is a single channel 31-band equalizer, using long-throw 60mm sliders and a
highly accurate VU meter, housed in a two rack space chassis. It is suitable for the most
critical applications.
All Q-series equalizers feature precision engineered controls for unparalleled accuracy.
The sliders on all units have a smooth, silky feel, with electronically accurate center
detents.
All 31-band equalizers incorporate high cut control from 3kHz to 40kHz, and low cut
control from 10Hz to 250Hz. This extended range offers unequalled control over the
extreme ends of the audio spectrum.
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