Keyboard Exchange International

How Do Hammond Organs and Leslie Speakers Work?


We are often asked why our restored Hammond organs with Leslie speakers sound as great as they sound! There are logical reasons and bottom line, we need to understand how the organ and Leslie work. What about the original design makes them sound so amazing? In this page in the coming weeks months, we will explore how the organ and Leslie works, why they sound great and when the organs do not sound as great as they should....what is required. Lets start with the premise that ALL 60 year old electronic musical equipment requires a proper internal restoration to reach its full audio potential.

We have seen some fantastic transformations of instruments....the before and after results of a quality restoration. The organs have the potential. All of us need to do our part to maintain and preserve these quality instruments for our current enjoyment and for the future.

How to identify the major parts of a Leslie 122 speaker. All Hammond players should be comfortable with names of the parts and their functions inside the Leslie speaker. As a player of vintage gear, it is wise to learn as much as possible about the equipment you are playing. The more you learn and understand, the better the chance that you can play your part in preserving and maintaining classic, vintage equipment
Basic items every Hammond player should know! It is as basic as it gets. If you have trouble understanding this information, ask a grand mother who owns a sewing machine the importance of oil on any machine with moving parts! She will be able to help and advise! However.......DO NOT USE SEWING MACHINE OIL.....HAMMOND OIL ONLY !
An overview to help you get started with understanding the basics of how to use your draw bars, percussion, and preset keys. Once you understand the basics and master them, your playing will be more efficient and enjoyable! This video, like most of our videos, is intended for the first time player or an experienced player who appreciates a different point of view. All of us can learn from each other and really......is that not the point of the Internet?

You MUST understand the best way to start your Hammond to prevent damage and frustration. This is easy once you understand the concept of a two motor system both start and run motors.
A few minor adjustments can save you hundreds of dollars and make playing your bass pedals all the more enjoyable.
Safety First is the goal of this video as well as preservation of the bass pedal parts. Caution when moving and installing is taught and all organists need to know what and how to install bass pedals on a B3

Busbar Rod Shift, this is a bit more advanced information and usually requires a very long screw driver. It may be best to get an expert to help but when they do, watch carefully. If this process does not resolve your problems then the next step of bus rod cleaning or replacement will require expert help to avoid damage to the keyboards.
How to test the keyboards of a Hammond B3, C3 and A-100. This test will also verify that the tone generator is working correctly. If there are missing tones and there is a pattern to the missing tones than most likely the problems are in the tone generator or wiring harness. If the missing tones are completely random, then the problems are more likely in the keyboards.
The importance of locking down the tone generator of a Hammond organ when moving a long distance cannot be overstated. A 5/16 tone nut driver will be helpful not 9/16 which was mentioned at the end of this video which was a verbal slip up. Oops!

How to test the keyboards of a Hammond B3, C3 and A-100. This test will also verify that the tone generator is working correctly. If there are missing tones and there is a pattern to the missing tones than most likely the problems are in the tone generator or wiring harness. If the missing tones are completely random, then the problems are more likely in the keyboards.
How to Play Hammond B3 Bass pedals Part 1
To better hear the low bass tones on this, and any of our videos, use a good set of head phones or a speaker system that will allow for proper audio quality. Since we are showcasing bass pedals which are low frequency tones, this tip will be important for full enjoyment and understanding. Thanks for listening folks! Let us know if you have any suggestions that we can use to help you understand playing the Hammond organ even more´╗┐!
How to Play Hammond B3 Bass pedals Part 2



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221 S. Magnolia Ave.
Sanford, Fl 32771-1321
Sales Office: (407) 323-7493
Email: b3buyer@aol.com

Hours:

We show our Hammonds with Leslies by appointment. Appointments are for our customers convenience and to insure that we will be available for you when you arrive. We request you make an appointment so that we can offer you our best attention.

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