db300i - Speaker SAMSON - Free user manual and instructions

USER MANUAL db300i SAMSON

1. Please read all instructions before operating the unit.

2. Keep these instructions for future reference.

3. Please heed all safety warnings.

4. Follow manufacturers instructions.

5. Do not use this unit near water or moisture.

6. Clean only with a damp cloth.

7. Do not block any of the ventilation openings. Install in accordance with the manufacturers instructions.

8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. 9. 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 third prong is provided for your safety. When the provided plug does not fit your outlet, consult an electrician for replacement of the obsolete outlet. 10. Protect the power cord from being walked on and pinched particularly at plugs, convenience receptacles and at the point at which they exit from the unit.

11. Unplug this unit during lightning storms or when unused for long periods of time.

Microphone Positioning - 6 How to Reduce Feedback

Congratulations on purchasing the Samson dB300! The dB300 speaker system by Samson takes the concept of PA systems to a new level. By combining 300 watts of power handling, advanced crossover design and the highest quality speaker and cabinet components, the dB300 provides studio quality sound for any kind of live application. The loudspeaker features a super heavy-duty, custom designed, 12-inch low frequency driver which employees a 3-inch voice coil and an advanced motor design featuring an over-sized magnet. The result, deep low frequency response that's accurate, tight and focussed. Handling the high frequency response is the dB300's high output, proprietary compression driver utilizing a 1.75-inch (44 millimeter) tita- nium diaphragm with a 1-inch throat set upon a wide dispersion horn. The high frequency response is clean, smooth and vivid. The dB300 offers crystal-clear audio and an ultra-wide sound field. Not only a front-firing PA speaker, the dB300 is also designed to operate as a wedge-style monitor. The cabinet’s right and left side panels are joined at different angles, so depending on the side you choose, you get near and far dispersion angles, allowing for greater flexibility on stage. Adding to the dB300’s practical design is a catalog of mount- ing options. With the dB300, setup and break down is quick and easy. The compact cabinet can be easily stacked, stand mounted using the integral 1 3/8-inch pole mount receptacle, suspended using the four built- in fly points or permanently installed with the optional wall-mount bracket . Thick wall construction with heavy-grade steel grills, scuff-resistant textured finishes and rigid corners offer excellent protection against wear and tear. As fixed sound reinforcement or as a durable, great-sounding road PA, the dB300 is ideal for sound professionals and performers looking for serious output and studio monitor sound quality from a com- pact PA speaker system. In these pages, you’ll find a detailed description of the features of the dB300 PA system, as well as a descrip- tion of its front and rear panels, step-by-step instructions for its setup and use, and full specifications. You’ll also find a warranty card enclosed—please don’t forget to fill it out and mail it in so that you can receive online technical support and so we can send you updated information about these and other Samson prod- ucts in the future. With proper care, your dB300 will operate trouble free for many years. We recommend you record your serial number in the space provided below for future reference. Serial number: __________________________ Date of purchase: ________________________ Should your unit ever require servicing, a Return Authorization number (RA) must be obtained before ship- ping your unit to Samson. Without this number, the unit will not be accepted. Please call Samson at 1-800- 3SAMSON (1-800-372-6766) for a Return Authorization number prior to shipping your unit. Please retain the original packing materials and if possible, return the unit in the original carton and packing materials. IntroductionENGLISH

dB300 Features The Samson dB300 two- way loudspeaker is an all-in-one solution for live sound. Here are some of its main features:

• Two-way loudspeaker system.

• 300 watt power handling, 8-ohm load impedance .

• Rigid, thick-wall composite plastic enclosure focusses energy forward increasing the overall SPL.

• Custom designed, heavy-duty, 12-inch low frequency driver with 3-inch voice coil.

• 1" throat, high-frequency compression driver with 1.75-inch titanium diaphragm.

• Internal 18 dB/octave time aligned crossover.

• 30 and 45-degree monitor angles for near and far field coverage.

• Standard 1 3/8-inch (35mm) speaker stand receptacle.

• Four M6 fly-points for hanging installations.

• Optional U bracket kits for wall mounting or arrays clusters.

• Rugged, road-worthy construction for high reliability.

• Quality build and rugged construction ensure reliable performance from venue to venue.

• Three-year extended warranty. ÌÀ`ÎääENGLISH dB300 Front Panel 1 12 Inch Driver – Custom designed , heavy- duty, 12” low frequency driver provides deep bass. 2 Wide Dispersion Horn – 1 inch throat, 60 x 90 degree wide dispersion horn provides extensive coverage and linear off- axis response. 3 Titanium Compression Driver – 1.75 inch (44mm), titanium diaphragm with 1 inch opening. 4 Stacking Bumper – Gender mating bum- pers for stacking dB300’s.

Bass Port– Two precision tuned, low fre- quency port tubes extend the bass response. 6 Handle – One of two ultra over sized rubber grip carry handles. 7 Steel Grill – Durable steel grill provides pro- tection for, and easy access to LF driver.

Enclosure – Thick-wall, rugged PVC plastic enclosure.

dB300 Components dB300 Rear Panel A Speaker Input – Speakon and 1/4" connec- tor for connecting to power amplifier. See page 10 of this manual for a detailed wiring diagram. B Extension Output – Speakon and 1/4” input jack parallel output for connecting addition- al dB300’s. MonitordB300 ! "5 ENGLISH Quick Set-Up In the following pages of this manual, you will find a detailed explanation of system set-ups, but if you just want to get started quickly, you can follow the diagram and steps below to set up a basic stereo PA system. NOTE: It is important to remember the Golden Rule of audio … " LAST ON, FIRST OFF". Translated, this means that when turning on your system, you should always turn your power amplifiers or powered monitors on LAST, and when turning your system off, turn your power amps off FIRST. This helps avoid any loud pops caused by inrush current at power up, which can sometimes damage loudspeakers.

1. Before connecting your dB300’s, make sure that the power of all your systems components is

turned off. Also, make sure that your power amplifier volume controls and the main left and right faders of your mixer are turned all the way down.

2. Connect the cables to your microphones and instruments, or a CD player, to your mixer. Then,

connect the mixers outputs to the inputs of your power amplifier.

3. Switch on the power of the mixer, instruments and/or CD player, and then switch on your

4. While speaking into the mic (or playing the instrument or CD), raise the mixers main Left and

Right faders to the "0" position. Be sure that the mixer’s output meters are not clipping. If they are, adjust the mixer volumes down until the signal cleans up.

5. Now, slowly raise your power amp until you reach the desired listening level.

NOTE: In order to get the cleanest sound and protect your speaker, you want to keep the mixer from clipping so be sure that the mixer's meters do not show sustained clipping. In most applications, you want to keep the level of the power amplifier all the way up so you can keep the mixers main out- puts from clipping. Monitor

300ENGLISH Positioning the dB300 Microphone Positioning - How to Reduce Feedback Feedback is the annoying howling and squealing that is heard when the micro- phone gets too close to the speaker and the volume is high. You get feedback when the microphone picks up the amplified signal from the speaker, and then amplifies through the speaker again, and then picks it up again, and so on and so on. In general, it is always recommended that any LIVE mic (a mic that’s on) is positioned behind the speaker enclosures. This will give you the best level from your system before feedback. One possible exception is when you are adjusting the sounds of the microphones, since you want to listen in front of the speaker to hear properly. To do this, lower the MAIN VOLUME while setting the EQ and effect from in front of the speakers. Once you have the sound you like, move the microphones to behind the speakers and raise the Main volume. Speaker Placement Whenever possible it is a good idea to raise the speakers above the heads of the listening audience. The dB300 enclosure features a standard 1 3/8” pole mount receptacle, which are compatible with standard speaker stands like the Samson TS50 or TS100. In a smaller setting like a school cafeteria, library, or a mall kiosk, you can also use the dB300 in one of the tilt back monitor posi- tions, which will improve the projection of the speakers and may eliminate the need for speaker stands. Using the dB300 as a Floor Monitor The dB300 is an ideal solution for stage moni- toring and thanks to its unique design, two wedge monitor positions are possible. When placed on its side with the high frequency horn facing to the left of the enclosure, the dB300 is tilted at a 30 degree angle optimiz- ing performance when used on a large stage. When placed on its side with the high frequen- cy horn facing to the right of the enclosure, the dB300 is tilted at a 45 degree angle opti- mizing performance when used on smaller stages. In a large stage monitor system, sev- eral dB300’s can be daisy-chained together using the EXTENSION SPEAKER output. Note: Be sure to check the manufacturers minimum recommended impedance for your power amplifier to avoid overload and possi- ble damage to both the speaker and amplifier. In many instances when using the dB300 as a monitor system, you may choose to use an external equalizer like the Samson S Curve 131 to increase the volume and reduce the chance of feedback.

ENGLISH This example shows a typical PA system using mixer with an external power amplifier and a pair of dB300 for the main left and right mix. A separate signal from the mixer’s AUX/MONITOR bus is sent to two additional dB300’s placed in the tilt-back, wedge positions for use as floor monitors. In order to increase the output of the monitor system, the use of an external graphic equalizer like one of the Samson “E” or “S curve” series is highly recommended. Setting Up Your dB300 SystemENGLISH

Setting Up Your dB300 System Using Speaker Stands The dB300 enclosure features a standard 1 3/8”, pole mount receptacle, which are compatible with speaker stands from a variety of manufacturers. Before installing the dB300 on a speaker stand, loosen the thumbscrew located on the bottom of the rear side of the enclosure. Once installed on the stand, be sure to tighten the thumbscrew to hold the speaker in place. Be careful not to over tighten the thumbscrew to avoid stripping the threads. Stacking the dB300 The dB300 enclosure incorporates gender mating stack feet and bumpers that allows you to stack one dB300 on top of another. When stacking the dB300’s, be cer- tain that the rubber feet from the top unit are securely fastened into the bottom unit’s stacking bumpers. NOTE: DO NOT STACK dB300’s OVER TWO (2) TALL.ENGLISH Permanent Installation The dB300 is logical solution for many fixed installations in live sound venues, discos, schools, houses of worship, convention cen- ters and airport terminals to name a few. The enclosure is extremely versatile for instal- lation as it can be hung in several different positions by using the 4 Fly-points. Hanging the dB300 is serious business and therefore licensed and insured professional sound contractors only should perform such an installation. Using the Fly-points IMPORTANT NOTE: Only licensed and insured professional sound contractors should install the dB300 using the Fly-points. Samson assumes no liability for any installation. The dB300 features 4 Fly-points located in pairs on the top and bottom of the enclosure. By removing the installed screws you will have access to the threaded inserts that are compat- ible with a variety of standard M6 hardware including that offered by ATM Flyware.

MB300A - Array Kit The MB300A array kit is used to create hanging arrays of two to six dB300 enclosures. Used in conjunction with the MB300U, arrays of 50° angles for tight cover- age, or 60° angles for wide coverage, are possible. For more information, please visit our web site at www. samsontech.com.