Lets start by recognizing the different types of amplifiers. You’ve got your basic mono channel amplifier, your two channel amplifier, and then you have multiple channel amplifiers. A “channel” is simply one set of positive and negative terminals (+/-) coming out of the amplifier that you use to supply power, or drive, to your speakers or subwoofers. A mono channel amplifier has one set of terminals, two channel amplifiers have two, and multiple channel amplifiers range from anywhere between 3-5 channels. Now lets go into details discussing their best intended applications. We’ll also answer the questions that are asked most frequently.

Mono Channel Amplifers- Mono channel amplifiers tend to be class “D” amplifiers. Class “D” amplifiers have a high power to heat ratio, which is exactly what you are looking for when powering subwoofers that demand a lot of power. Class “D” amplifiers are also known to be very efficient. Since mono channel amplifiers work best at 2 ohms of impedance, they are best suited to drive either a singe 4 ohm “dual voice coil” subwoofer, or two 4 ohm subwoofers that only have “one voice coil” each.

Why are mono channel amps best suited for these setups? Because every speakers presents a load impedance to the power that is supplied to it from the amplifier. This load impedance is measured in a unit known as “ohms”. Most subwoofer speakers present 4 ohms of resistance. If wired correctly, you will lower the load impedance that the amplifier sees. You will lower the impedance down to 2 ohms, which is where most mono channel amplifiers are build to perform the best.

Two Channel Amplifiers- A two channel amplifier is an amplifier that can operate one right, and one left hand channel. It is basically two mono channel amplifiers in a single box. Since two channel amplifiers are typically stable when presented with 4 ohms of impedance, they are best suited to drive either one 4 ohm “single voice coil” subwoofer, or two 4 ohm “dual voice coil” subwoofers. To run these setups, you have to “bridge” the channels coming from the amplifier. Not all two channel amplifiers are bridgeable, so be sure that your two channel amp is bridgeable before you buy it.

What is “bridging”? Lets say that you are looking to purchase a two channel amplifier that is rated at 500 watts RMS. You must know that the amplifier does not supply 500 watts of power from each channel. Instead, each channel alone will supply around 200-250 watts. In order to get the advertised 500 watts, you have to combine the two channels into one channel. This is called “bridging” the channels.

*Note- Be careful when “bridging” the connections because if it not done properly, then you will destroy your amplifier.

Multiple Channel Amplifiers- Multiple channel amplifiers allow you to hook up multiple speakers (typically front two and rear two) while still allowing you to control your balance and fading options. When shopping for multiple channel amplifiers, you will find that although most are still rated in the 2-4 ohm impedance range, some are rated around 20-40 ohms of impedance. The only time you would ever need an amplifier at this high of an impedance rating is if you were to wire multiple speakers in a “series”. Multiple channel amplifiers can be used to run subwoofers, but you have to make sure that the amplifier’s channels are bridgeable since most of the time, each channel of a multiple channel amplifier does not give out nearly enough watts.

What is “series” wiring? Instead of wiring each speaker separately to each channel of an amplifier, sometimes it is recommended that you wire two or more speakers together. Once the speakers are wired together, you want to wire the entire unit of speakers to one channel of the amplifier. To wire the speakers together, you simply run a speaker wire from the positive terminal of one speaker to the negative terminal of another speaker. Once this is done, you run speaker wires from the channels of your amp to your remaining positive and negative terminals on your speakers.

*Note- You must keep track of load impedance when you are wiring speakers in “series”. When wiring in a series, you simply add up the number of ohms of each speaker. Make sure your amp is rated to run at that high of an impedance.

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I am thinking about purchasing a key on Ebay and want to program it once it is cut. This is a transponder key not the remote.

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   New consultants have been told that they need to spend thousands creating professional level demo tapes as part of a speaking kit. These kits are to be mailed upon request to those contacts interested in reviewing the speaker for consideration of an upcoming engagement. With that being said many speakers would consider that having a kit would be mandatory.

When if fact there not, having these expensive professionally produced marketing kits have very little if any impact on your ability to provide exactly what the client wants. Think about it do they want to see you give a speech to another group or to theirs? Do they want to read about what you’ve done for others or see what your doing for them? When watching your video, are you solving their needs or yours?

So what should you do instead? How do you get around spending the usual two thousand dollars on a pro kit? Begin by understanding that they have a need and its not to just to have anyone come in and speak, consider there audience, and most importantly consider their expectations. That’s what I recommend you do, begin by helping your prospect, by giving value immediately.

Start by using the questionnaire strategy, this strategy gives you and the client instant value. Its not an opportunity for you to brag and it doesn’t waste the clients time while they watch you speak to some other group. Consider the fact that the subject that your speaking about on tape is not likely the subject your clients needs, and therefore makes watching your demo tape a waste of their time. Moreover there are likely gaps between subjects and speakers that’s causing them to miss out on overlooked opportunities.

This is an opportunity for you to add value, and here’s how;

• Set up a Strategy Secession – In person or over the phone – during this meeting your going to ask them what they need – if cost and time was not a factor what would they need.

• Teaching Plan – Ask them to share with you the Teaching Plan they intend on giving via speeches and than review recent speakers and the subjects they spoke about, to assess if they are in-line with their goals.

• Create a Course Adjustment Plan – offer to help them meet their plans by suggesting other professionals who can fill the gaps and help them realign their teaching.

As you can see you can actually offer significant professional assistance without sending a single piece of marketing material. However if your contacted for promo materials, offer to meet with them instead so that you can help them meet their needs, fill any gaps and realign their presentations to meet their goals. Inform them that your interested in offering value, not in just collecting a fee, this is a great strategy to acquire clients and speaking engagements for any new image consultant.

About the Author:

If you’re ready to learn more about how to Write a Book and Scale it into a $4,000 – $10,000 Teaching, Training, Coaching, and Consulting program than go to; http://www.adaptonadime.com for your FREE “Fast Start Guide”

Article Source: ArticlesBase.com – New Consultants – 3 Techniques To Use Instead of Sending a Fancy Demo Tape or Speakers Kit to Land Speaking Engagements

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