531E and 532E Graphic Equalizers
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31.5 |
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63 |
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315 |
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630 |
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1K |
1.25K |
1.6K |
2K |
2.5K |
3.15K |
4K |
5K |
6.3K |
8K |
10K |
12.5K |
16K |
20K |
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+12 +6 |
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+6 +12 |
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+6 +3 |
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+3 +6 |
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531E |
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LEVEL |
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CUT FILTERS |
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CLIP |
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50 |
18K |
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GRAPHIC |
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INPUT |
LOW CUT |
HIGH CUT |
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10dB |
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5K |
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42K |
0 |
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0 |
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EQUALIZER |
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MODE |
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0dB |
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8 |
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115 |
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±12dB |
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∞ |
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BYPASS |
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-20dB |
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+15 |
6 |
260 |
3K 65K |
±6dB |
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POWER |
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-6 |
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-6 |
-3 |
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-3 |
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-12 |
-6 |
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-6 |
-12 |
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20 |
25 |
31.5 |
40 |
50 |
63 |
80 |
100 |
125 |
160 |
200 |
250 |
315 |
400 |
500 |
630 |
800 |
1K |
1.25K |
1.6K |
2K |
2.5K |
3.15K |
4K |
5K |
6.3K |
8K |
10K |
12.5K |
16K |
20K |
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CH1 LEVEL |
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CH1 CUT FILTERS |
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20 |
25 |
31.5 |
40 |
50 |
63 |
80 |
100 |
125 |
160 |
200 |
250 |
315 |
400 |
500 |
630 |
800 |
1K |
1.25K 1.6K |
2K |
2.5K 3.15K |
4K |
5K |
6.3K |
8K |
10K |
12.5K |
16K |
20K |
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+6 +12
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INPUT |
LOW CUT |
HIGH CUT |
CH1 |
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CLIP |
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50 |
18K |
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0 |
0 |
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10dB |
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MODE |
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8 |
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5K |
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42K |
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0dB |
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115 |
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±12dB |
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532E |
∞ |
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BYPASS |
-6 -12 |
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-20dB |
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+15 |
6 |
260 |
3K |
65K |
±6dB |
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GRAPHIC |
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20 |
25 |
31.5 |
40 |
50 |
63 |
80 |
100 |
125 |
160 |
200 |
250 |
315 |
400 |
500 |
630 |
800 |
1K |
1.25K 1.6K |
2K |
2.5K 3.15K |
4K |
5K |
6.3K |
8K |
10K |
12.5K |
16K |
20K |
EQUALIZER |
CH2 LEVEL |
CH2 CUT FILTERS |
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+6 +12
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INPUT |
LOW CUT |
HIGH CUT |
CH2 |
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CLIP |
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18K |
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10dB |
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5K |
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MODE |
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42K |
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0dB |
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8 |
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115 |
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±12dB |
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∞ |
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BYPASS |
-6 -12 |
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-20dB |
+15 |
6 |
260 |
3K |
65K |
±6dB |
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POWER |
20 |
25 |
31.5 |
40 |
50 |
63 |
80 |
100 |
125 |
160 |
200 |
250 |
315 |
400 |
500 |
630 |
800 |
1K |
1.25K 1.6K |
2K |
2.5K 3.15K |
4K |
5K |
6.3K |
8K |
10K |
12.5K |
16K |
20K |
REGARDLESS OF THE SIZE OF YOUR SOUND SYSTEM, good equalization is vital to its performance. That is why we developed the 531E and 532E Graphic Equalizers - as high
quality alternatives to the mediocre “affordable” equalizers available today.
In fact, the 531E and 532E are a purist’s dream - audiophile sound quality, an uncluttered control surface, and rugged reliability in one package. They offer thirty-one filter bands per channel on ISO 1/3rd-octave centers. Through the use of a global range switch, each band delivers either +/- 6dB or +/- 12dB of cut or boost. The grounded center detent position on each band serves as an on/off switch that completely removes that band from the audio signal path. In addition, they sport 12dB per octave High Cut and Low Cut filters. Each has a sweepable cutoff frequency and a control range that extends well into the sub/ultrasonic.
Of course, the features and controls are secondary to the all-important question: How does it sound? Our design team believes that no one should have to settle for “good enough”, so they threw out all the conventional circuit designs and started from scratch. The result: a highly advanced filter topology that delivers extremely low distortion and noise, even at very high signal levels. Consider the following facts. Our proprietary filter technology delivers an extremely low noise floor, ultra-accurate summing, and minimal ringing and phase shift. The total harmonic distortion is less than 0.002%. Translation: the 531E and 532E are clean, clear, and musical-sounding.
To ensure the highest level of performance, we build the 531E/32E to touring standards. Double sided, glass epoxy circuit boards; metal shaft, plastic film slide potentiometers; goldplated XLR connectors, and a heavy duty allsteel chassis deliver rugged reliability. You don’t have to treat these EQs with kid gloves.
The details are worth noting, too. Highcontrast front panel graphics make your control settings easy-to-read - even in a darkened concert hall. Servo-balanced outputs remove all DC offset voltage from the output. This eliminates the need for DC blocking capacitors in the signal path while improving noise, distortion, and low-frequency performance. Of course, both units incorporate a high current, internal power supply with an IEC-type detachable power cord.
Whether you are a professional concert sound engineer, system designer, or musician, contact your nearest Symetrix dealer today. Discover for yourself why the 531E and 532E are the right choice for any professional sound reinforcement application. •
APPLICATIONS
Sound Reinforcement
Installed Sound Systems
FEATURES
Proprietary topology delivers extremely low noise and distortion
31 constant Q bands
High cut and low cut filters
Servo balanced output (eliminates DC offset)
Direct coupled inputs and outputs (superb low frequency response)
Internal power supply with detachable cord
531E/532E
Symetrix Inc. Mountlake Terrace, WA, USA Tel (425)778-7728 Fax (425)778-7727 www.symetrixaudio.com
531E and 532E Graphic Equalizers
GRAPHIC |
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531E EQUALIZER |
CAUTION |
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RISK OF ELECTRIC SHOCK |
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MANUFACTURED IN |
DO NOT OPEN |
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LYNNWOOD, WA, USA |
TO REDUCE THE RISK OF FIRE OR |
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WARNING: ELECTRIC SHOCK DO NOT EXPOSE |
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THIS EQUIPMENT TO RAIN OR MOISTURE |
TYPICAL BALANCED CONNECTIONS |
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OUTPUT |
INPUT |
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RISQUE DE CHOC ELECTRIQUE |
TIP = HIGH(+) = PIN 2 |
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AC INPUT |
AVIS: NE PAS OUVRIR |
RING = LOW(-) = PIN 3 |
1 |
2 |
2 |
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BALANCED/ |
BALANCED/ |
10 WATTS |
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SLEEVE = GND = PIN 1 |
UNBALANCED |
UNBALANCED |
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MAXIMUM |
SEE OWNERS MANUAL. VOIR CAHIER D’INSTRUCTIONS. |
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3 |
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No user serviceable parts inside. Refer servicing to qualified service personnel. |
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Il ne se trouve a l’interieur aucune piece pourvant entre reparée l’usager. |
SLEEVE |
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FABRIQUÉ AUX E.-U. PAR SYMETRIX INC., LYNNWOOD, WASHINGTON. |
S’adresser a un reparateur compétent. |
RING |
OUTPUT |
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INPUT |
BALANCED |
BALANCED |
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TIP |
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RÉFÉREZ TOUTE RÉPARATION À UN TECHNICIEN QUALIFIÉ. |
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CH1 OUTPUT |
CH1 INPUT |
GRAPHIC |
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532E EQUALIZER |
CAUTION |
BALANCED/ |
BALANCED/ |
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UNBALANCED |
UNBALANCED |
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RISK OF ELECTRIC SHOCK |
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MANUFACTURED IN |
DO NOT OPEN |
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BALANCED |
BALANCED |
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LYNNWOOD, WA, USA |
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TO REDUCE THE RISK OF FIRE OR |
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WARNING: ELECTRIC SHOCK DO NOT EXPOSE |
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THIS EQUIPMENT TO RAIN OR MOISTURE |
TYPICAL BALANCED CONNECTIONS |
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CH2 OUTPUT |
CH2 INPUT |
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RISQUE DE CHOC ELECTRIQUE |
TIP = HIGH(+) = PIN 2 |
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AC INPUT |
AVIS: NE PAS OUVRIR |
RING = LOW(-) = PIN 3 |
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2 |
2 |
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BALANCED/ |
BALANCED/ |
20 WATTS |
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SLEEVE = GND = PIN 1 |
UNBALANCED |
UNBALANCED |
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MAXIMUM |
SEE OWNERS MANUAL. VOIR CAHIER D’INSTRUCTIONS. |
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3 |
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No user serviceable parts inside. Refer servicing to qualified service personnel. |
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Il ne se trouve a l’interieur aucune piece pourvant entre reparée l’usager. |
SLEEVE |
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FABRIQUÉ AUX E.-U. PAR SYMETRIX INC., LYNNWOOD, WASHINGTON. |
S’adresser a un reparateur compétent. |
RING |
OUTPUT |
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INPUT |
BALANCED |
BALANCED |
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TIP |
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RÉFÉREZ TOUTE RÉPARATION À UN TECHNICIEN QUALIFIÉ. |
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SPECIFICATIONS
Input/Output |
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Number of Audio Channels |
531E: One, 532E: Two |
Maximum Input Level |
+21 dBu Balanced |
Maximum Output Level |
+21 dBu Balanced, +17 dBu Unbalanced |
Input Impedance |
10k Ohms Balanced, 5k Ohms Unbalanced |
Output Impedance |
400 Ohms Balanced, 200 Ohms Unbalanced |
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Performance Data |
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Frequency Response |
10 Hz - 38 kHz (+0 dB, -1 dB) |
Dynamic Range |
>112 dB |
Signal to Noise Ratio |
>94 dB (unweighted, ref to +4 dBu, eq in, all bands flat) |
THD+Noise (1 kHz - +4 dBu) |
<0.002% (10 Hz to 30 kHz measured bw, |
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eq in, all bands flat) |
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Graphic EQ Controls |
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Frequency Control Range |
20 Hz - 20 kHz (31 bands, ISO 1/3rd octave centers) |
Cut/Boost Range |
± 12 dB (Mode switch up), ± 6 dB (Mode switch down) |
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Specifications subject to change without notice. |
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Cut Filters |
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Low Cut Filter Slope |
12 dB/octave |
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Cutoff Frequency Range |
6 Hz - 260 |
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High Cut Filter Slope |
12 dB/octave |
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Cutoff Frequency Range |
3 kHz - 65 kHz |
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Physical |
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Size (hwd) |
3.47 x 19 x 8.25 inches, 8.81 x 48.26 x 20.955 centimeters |
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Shipping Weight |
11 lbs (5kg) |
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Electrical |
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Power requirements |
117V nominal, 105 to 130V AC, 50 to 60 |
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230V nominal, 207 to 253V AC, 50 |
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Power Consumption |
531E: 10 watts max., 532E: 20 watts max. |
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531E and 532E ARCHITECTS AND ENGINEERS SPECIFICATIONS
531E Graphic Equalizer: The Graphic Equalizer (EQ) shall be a single channel unit that shall provide 31 filter bands, on ISO 1/3rd - octave centers. The lowest band shall be centered on 20Hz, the highest on 20kHz. There shall be a front panel mode switch which selects the cut/ boost range of the EQ band faders, and acts as a bypass. The EQ band controls shall be 60mm metal shaft faders. There shall also be separate, sweepablefrequency high-pass and low-pass filters. The unit shall occupy two rack spaces (2U).
The high-pass filter shall have a 12dB/ octave slope with a user-adjustable cutoff frequency range of 6Hz to 260 Hz. The low-pass filter shall also have a 12dB/oct slope with a user-adjustable cutoff frequency range of 3kHz to 65 kHz. A front panel input level control shall provide -∞ (infinity)dB to +15dB of gain adjustment.
When the unit is rendered inoperative by
531E/532E
loss of power, the inputs and outputs will be wired together by a fail-safe bypass relay. The frequency response with all filter bands flat, EQ in, and high-pass and low-pass set to the outside extremes of their ranges, shall be 10Hz to 38kHz (+0dB, -1dB). The total harmonic distortion plus noise shall be less than 0.002% (10Hz - 30kHz, EQ in, all bands flat). The dynamic range shall be greater than 112 dB. The EQ shall accept a maximum input signal of +21 dBu and have a maximum output level of +21 dBu. There shall be a four-segment, LED level meter.
The inputs shall be direct-coupled, active balanced designs terminated with 3-pin XLR (AES/IEC standard wiring) and ¼" TRS. The input circuitry shall incorporate RFI filters. There shall be a servobalanced, direct-coupled output that shall terminate in 3-pin XLR (AES/IEC standard wiring) and ¼" TRS.
The EQ shall be capable of operating by means of its built-in power supply connected to 117V nominal AC, 105-130V, 50-60 Hz (230V nominal AC, 207-253V, 50 Hz where applicable). Power consumption shall be 10 watts maximum. There shall be a rear panel receptacle for an IEC-type detachable power cord. The EQ shall be UL and CE approved. The unit shall be a Symetrix Incorporated model 531E Graphic Equalizer.
532E Graphic Equalizer: The Graphic Equalizer (EQ) shall be a dual channel unit that provides 31 filter bands per channel, on ISO 1/3rd octave centers. The lowest band shall be centered on 20Hz, the highest on 20kHz. There shall be a front panel mode switch which selects the cut/ boost range of the eq band faders, and acts as a bypass. The eq band controls shall be 20mm metal shaft faders. There shall also be separate, sweepablefrequency high-pass and low-pass filters on each channel. The unit shall occupy two rack spaces (2U).
The high-pass filter shall have a 12dB/ octave slope with a user-adjustable cutoff frequency range of 6Hz to 260 Hz, The low-pass filter shall also have a 12dB/oct slope with a user-adjustable cutoff frequency range from 3kHz to 65 kHz. A front panel input level control shall provide -∞ (infinity)dB to +15dB of gain adjustment. When the unit is rendered inoperative by loss of power, the inputs and outputs will be wired together by a fail-safe bypass relay.
The frequency response with all filter bands flat, EQ in, high-pass and low-pass set to the outside extremes of their ranges, shall be 10Hz to 38kHz (+0dB, -1dB). The total harmonic distortion plus noise shall be less than 0.002% (10Hz - 30kHz, EQ in, all bands flat). The dynamic range shall be greater than 112 dB. The EQ shall accept a
maximum input signal of +21 dBu and have a maximum output level of +21 dBu. There shall be a four-segment LED level meter.
The inputs shall be direct-coupled, active balanced designs terminated with 3-pin XLR (AES/IEC standard wiring), and ¼" TRS. The input circuitry shall incorporate RFI filters. There shall be a servobalanced, direct-coupled output that shall terminate in 3-pin XLR (AES/IEC standard wiring) and ¼" TRS.
The EQ shall be capable of operating by means of its built-in power supply connected to 117V nominal AC, 105-130V, 50-60 Hz (230V nominal AC, 207-253V, 50 Hz where applicable). Power consumption shall be 20 watts maximum. There shall be a rear panel receptacle for an IEC-type detachable power cord. The EQ shall be UL and CE approved.
The unit shall be a Symetrix Incorporated model 532E Graphic Equalizer.
Publication ©1997 Symetrix, Inc.
Symetrix Inc. Mountlake Terrace, WA, USA Tel (425)778-7728 Fax (425)778-7727 www.symetrixaudio.com