Event Electronics, LLC
P.O. Box 4189
Santa Barbara, CA 93140-4189
Voice: (805) 566-7777
Fax: (805) 566-7771
Web: www.event1.com
E-mail: info@event1.com
Your warranty will be in effect when you send in your warranty card
Event, Event Electronics, 20/20, 2020p and 20/20bas are trademarks of Event Electronics, LLC. Specifications subject to change without notice
© 1996, 1997, 1998 Event Electronics, LLC |
Printed in USA |
6/98 1127 |
20/20™ DIRECT FIELD MONITOR 20/20p™ POWERED MONITOR 20/20bas™ BIAMPLIFIED SYSTEM
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1 UNPACKING ……..……………….…………………………………….… 1 SETUP ………………………………….……………….………………… 1
20/20 CONNECTIONS TO AN EXTERNAL |
………….………….… 2 |
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AMPLIFIER |
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20/20bas CONNECTIONS AND OPERATION |
………………………….… 3 |
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20/20p CONNECTIONS AND OPERATION |
………………………….… 5 |
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CARE AND MAINTENANCE |
…………………………………………….… 7 |
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20/20 SPECIFICATIONS |
…………………………………..……………… 7 |
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20/20p SPECIFICATIONS …………………………………………….…
8 20/20bas SPECIFICATIONS …………………………………………….…
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INTRODUCTION Thank you for choosing Event Electronics™ direct field monitors. Before you proceed, please take a minute to read this manual and familiarize yourself with the product’s features, set-up and use.
Our engineers have spent over 25 years designing transducers, studio electronics and high performance studio monitor systems, including some of the most popular professional speakers used today. Now, using the latest in digital acoustic design tools along with high performance driver and power amplifier technology, we’ve developed the Event 20/20, 20/20p and 20/20bas systems, which extend the performance limits of direct field monitors once again.
For years, small to mid sized monitors have been built using the twoway format employing a 6½-7" diameter woofer. Event engineers have developed an extended range 8" woofer that precisely blends with our reliable 1" silk dome high frequency driver to produce an exceptionally smooth frequency response with the deeper bass and bigger soundfield typical of a larger speaker. The front-mounted low air restriction bass port also adds to our monitors’ larger acoustic signature. The 20/20bas Bia mplified System monitors build on the foundation of the passive 20/20 and realize the proven benefits of biamplification, including lowered distortion, smoother amplitude and phase response, extended bandwidth and convenience. The unique configuration of the 20/20p Powered Monitors with its passive crossover provide many of the performance benefits and all the convenience of a self-powered monitor system without the high cost.
UNPACKING Check your speaker carefully. The packing container was designed to protect your speaker during transit; immediately report any damage to your dealer or to the company that delivered them to you. Also, please complete and return your warranty card to activate your warranty and to help us keep in touch with you. Please tell us what you think of your new monitor and of your Event dealer.
SETUP The best performance from any speaker system comes with proper placement and use. There is no physical or acoustic distinction between individual left and right monitors when they are used in a stereo pair. Also, the cabinets can sit vertically or horizontally without concern for performance as long as both are situated similarly. For horizontal mounting, tip the cabinets outward so that the high frequency drivers are away from each other. Since the bass port is front mounted, you can mount the speakers near to, or even in, a wall without blocking the port.
Place your monitors on a stable surface at about ear level. A typical location would be slightly behind and to either side of a small console. The distance between the monitors should equal the distance from the listener to
either speaker. This is the common “equal length triangle” rule for speaker placement shown in Figure 1.
1
20/20bas SPECIFICATIONS
LF Driver: |
8" mineral filled polypropylene cone with 1½" diameter high |
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temperature voice coil, damped rubber surround and |
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magnetic shielding. |
HF Driver: |
1" natural silk dome with ferrofluid voice coil coolant and |
Frequency Response: |
magnetic shielding |
38Hz - 20kHz, ±2dB, Ref 500Hz |
|
Crossover: |
Active fourth order |
Acoustical Crossover: |
2.6kHz |
LF Amplifier Power: |
130W continuous |
HF Amplifier Power: |
70W continuous |
Input Connector: |
Combo XLR - ¼" connector with gold contacts accepts |
Polarity: |
balanced or unbalanced sources |
Positive signal at + input produces outward cone |
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Input Impedance: |
displacement |
40kΩ balanced, 20kΩ unbalanced |
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Input Sensitivity: |
1.1V input produces full output with Input Level control at |
Input Level Control Range: |
maximum |
20dB |
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LF Trim: |
Continuously variable control calibrated in 1dB increments; |
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Max boost/cut settings produces ±3dB @ 100Hz, |
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±2dB @ 400Hz |
HF Trim: |
Continuously variable control calibrated in 1dB increments; |
Subsonic Filter: |
Max boost/cut settings produces ±3dB above 2.6kHz |
-3dB @ 30Hz |
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Protection: |
RF interference, output current limiting, over temperature, |
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turn-on/off transient, subsonic filter, resettable mains circuit |
Indicators: |
breaker |
Combination Power ON / Clip LED indicator |
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Power Requirements: |
Factory programmed for either 120V~ 60Hz, |
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220-240V~ 50/60Hz or 100V~ 50/60Hz, 200VA; |
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Power via detachable 3 circuit IEC type linecord |
Cabinet: |
5/8" vinyl laminated lock-mitered MDF |
Dimensions: |
10¼" W x 14¾" H x 11¾" D |
Weight: |
30 lbs. each |
Model 20/20, 20/20p and 20/20bas specifications are subject to change without notice.
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FIGURE 1. THE PRIME LISTENING POSITION OR SWEET SPOT. THE DISTANCE BETWEEN EACH SPEAKER AND THE MONITORING POSITION SHOULD BE EQUAL.
Notice that Figure 1 also shows the speaker cabinets turned inward directly facing the listening position. This puts you in the sweet spot, which yields the most accurate stereo reproduction. If you need a wider sweet spot to allow for greater listener movement or for group monitoring, face the speakers in a slightly more open position, but never more than necessary. Finally, if you must mount the speakers substantially above or below ear level, then you will also need to tilt the cabinets downward or upward as well to keep them directly facing you.
Once you start using your Event monitors, you may find it helpful to move around in their soundfield to locate their best position in your environment, but if you follow the equal distance, ear level, face-on rules, you’ve already optimized their position for a single user in most situations.
20/20 CONNECTIONS TO AN EXTERNAL POWER AMPLIFIER The passive Event 20/20 monitors present a 4 ohm nominal load impedance to the amplifier. Amplifiers rated for 8 ohm minimum loads are generally not suitable and may even suffer damage if used. We recommend using a power amplifier rated in the range of 100-200 watts per channel into 4 ohms. Higher power amplifiers can be used with caution, but care must be taken to never exceed the 20/20 monitor’s 150W program/200W peak ratings. Event is not responsible for damage caused by overpowering the speaker’s components.
Connections to the monitors are made via 5-way binding posts on the rear panel. These terminals will accept large diameter bare or tinned wires, spade or pin terminals, or banana plugs. Use the shortest length of #10 to #14
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