An amplifier produces heat, which its heat sink absorbs and dissipates. You should leave a few inches of air space around the amp so that it stays as cool as possible. When mounting an amp on a side wall (vertically), make sure that the fins on the heat sink are also running vertically so the heat escapes more easily. Don't mount an amp upside down — the amp will not be able to dissipate heat effectively, and overheating can damage or destroy your amp!

The problem is that most people tend to oversimplify the problem of weak signal reception and how it can best be solved. While adding a preamplifier will boost weak signals so that they can be heard easier, this device also boosts ambient noise as well as already strong signals. The biggest problem here is that by increasing the strength of already strong signals, you are bombarding your receiver with a large amount of radio frequency energy it might not be able to handle.

Impedance is the amount of resistance speakers provide to the current flowing from the amplifier. Every time you halve the speakers' impedance — switching from a 4-ohm to a 2-ohm sub, for instance — you effectively ask the amplifier to double its output. Some amps can handle this lower impedance, some cannot. The key thing to know about impedance, then, is how to match your speakers to the capabilities of your amp.

Using thicker power and ground cables will allow your amplifier to draw the juice it needs from the battery more easily. You'll find all the power and ground cable you need available in our online Installation Store. Before you can decide on the appropriate gauge wire for your installation needs, you need to figure out the current demand of your system. To do that, you must ascertain the approximate current draw (in amperes) of your amplifier (or amplifiers).

Sorry. Just kidding. Yes, of course we do. We have about 100,000 tubes in stock of the several major types we use.

Amplifiers generally do not include the wiring necessary to hook them up. However, we offer a number of wiring kits that will provide everything you need to send signal and power to your amp. You need enough power cable to run from your car battery's positive terminal through the firewall to the amplifier. Be sure to install an in-line fuse or circuit breaker near the battery. Without one, an accidental short circuit could pose a fire hazard and damage your amp (not to mention your car).

When aluminum foil is in direct contact with another surface, it conducts (or transfers) heat at the points of contact. Creating an air space will prevent conduction and allow the foil surface to reflect radiant heat. Aluminum foil reflects 97% of radiant heat. No. ASTRO-FOIL is manufactured out of polyethylene film, air bubbles and 99% pure aluminum foil. There are no irritants or fibers. Astro-Foil can be installed without the hassles of protective clothing, masks, gloves, or special tools.

Sometimes yes, sometimes no. It depends if there is space between ceiling joists. You need at least 24 inches opening between joists for the air cleaner. If you have adequate clearance, an attic crawlspace installation is similar to the drop ceiling scenario. Cut the appropriate sized hole in the ceiling material and finish the edges with the supplied trim. You'll need to use mounting hardware to support the weight of the unit from a suitable part of your building's framework.

The band's stage area requirements vary, depending on the type of event and the size of band you request. We do realize that some venues are not able to provide a great deal of area. We work within the available space provided. If the event is a large ballroom, usually the stage is 16' deep by 24' to 30' wide. Prior to your parties' arrival, most large equipment (lights, music stands, speakers, and so forth) is usually set up.

Poultry Coops can fit into just about any size backyard. For 4 hens, a 3'x4' Coop plus a "run" (a place for them to scratch around) that is roughly 3'x8' is more than adequate. Most commercial birds are placed in cages (6-8 to a cage) where they can not turn around. You, on the other hand, will have very happy birds. "Chicken Tractors" are another option.

Mbytes is the minimum installation. This figure was chosen to reduce the amount of CD swapping during gameplay. Choosing the medium installation (500Mbytes (PC), 550Mbyte(Mac)) further reduces the need to swap CDs, while full install (1.3G) eliminates the necessity altogether.

Outer space is an exciting and highly important region, which because of its unique nature holds the potential for both significant benefits and dangers. The primary goals of space law are to ensure a rational, responsible approach to the exploration and use of outer space for the benefit and in the interests of all humankind.

Yes. You will need at least 1 wall of a garage or 1/2 of a room inside your home. Many of our distributor members have a small rented storage area that is climate controlled.

effective as our air filters are in controlling airborne particulates throughout the home, it is simply impossible to rid your indoor air of all the potentially harmful particulate that could be present in your indoor air. As a result, we strongly suggest the addition to various areas of your home where odors or allergens are most likely to accumulate.

The impedance of your cabinet should match the impedance stated on the back of your amplifier with regards to valve amplifiers these will normally have a selector or different speaker sockets for different impedances.

The Tactile Sound Tables need 2 dedicated amplifiers, much the same as using a powered sub woofer in your surround sound system. The Sound Therapy / Harp Therapy Tables need one dedicated amp. These dedicated amps allow the vibration to be adjusted in

The amplifier box matches the headset signal levels to those needed by the phone you connect to. Since manufacturers vary phone connections and signal levels, the amplifier compensates for these differences.

You would need a video amplifier to boost the video signal to achieve a 1Vp-p signal when the coax cable distance is longer that the maximum recommended distance.

Yes. You will need either self-powered speakers or an amplifier as the Denzel has no built-in amplifier Yes. There is an optical S/PDIF input available on the system that will process Dolby Digital sources.

Yes. Since a bass guitar has no acoustic resonator, the instrument needs to be amplified electronically. This is done by a 'Bass' Amplifier.

It depends what style and ensemble you play in. If you are playing in acoustic ensembles like Orchestra, Concert Bands etc, then you don't need to be amplified. If you are playing in modern ensembles like Jazz, Country and Rock bands, then you will need to get a pickup and bass amplifier.

Simply put, a cable amplifier is a box that boosts your antenna or cable TV signals. When your cable signal comes into the house, it is generally strong enough to provide a good signal to two or three televisions. However most homes have many more than three TVs - and that doesn't even include all of the TV accessories! Cable TV boxes, VCRs, TiVo, ReplayTV - all of these boxes require a good strong signal to provide you with a good picture.

The output of a speaker (measured in decibels (dB)) for a given amount of amplifier power is termed its efficiency. Speakers with high efficiency will require less amplifier power to produce a given sound pressure level. Live music and movie soundtracks have peak levels as high as 120 dB. To attain just a 3 dB increase in volume, an amplifier's power must be doubled regardless what the speaker efficiency.

A headphone amplifier, or headphone amp, is simply a small amplifier specifically designed to drive the miniature audio drivers inside headphones. Because headphones are often used in portable applications, many headphone amps are conveniently battery powered. Headphone amps can also be used in a work station or desktop setting where they sometimes act as a switch between various sound sources or as a pre-amp for powered desktop speakers.

The HealthMate unit or the AllergyMachine will clean an average bedroom in about 15 minutes with the door closed. In technical terms, they clean up to 1,500 square feet. The HealthMate Jr model cleans up to 700 square feet. (All estimates assume 8 ft. ceilings.)

You may want to move heat from a central heating source to an adjacent space. Similarly, you may want to move cooled air from a window air conditioner to an adjacent space. Move heated or cooled air from one room to another if there is a great difference in temperatures between the two rooms. i.e. one room is nice and warm in the winter. The room next to it, located over an unheated space is always cold. Simply blow air from the warm to the cold room.

The South Dakota Air and Space Mueum has exhibits and displays on the Minuteman system. These include the actual Missile Procedures Trainer which missileers trained for capsule duty on. Tours are also given of a Minuteman training silo which maintenance crews used to learn proper procedures for maintaining the missile. The museum is located off Intertstate 90 exit 67, 7 miles east of Rapid City.