In late 1964 the last two models, the A-122 in Patina Walnut and the the Early American A-143 , were issued and in 1965 the A-100 series was discontinued. The 122 has two speeds, select the one that you like the sound. Tweak the equalization on the preamp. There will be no perceptible degredation of the sound, says Mike Fulk. Contacts are numbered 1-11 counterclockwise, looking straight at the female end of the cable or the back of your keyboard, presumably. Select the rotor speed on the preamp. The total effect of the moving sources makes synthesizing the sound particularly difficult; a great deal of effort has been expended in trying to make an effect pedal that emulates a Leslie.
This bass boost may be undesirable in the Leslie signal. Wow he said, that 122 sounds really nice. Wiring has been rearranged to allow two audio inputs instead of one. Connecting a Leslie speaker to A-100 organs There were a few options available when it came to connecting an A-100 organ to a Leslie speaker. This is free information and you are welcome redistribute it under certain conditions; see for details. The circuit is completed by routing the power from the switch to pin 2. I do not guarantee its correctness for all possible combinations of equipment, nor do I accept any liability in connection with this information.
Position the console connector near the power amplifier so that the power and control cables will reach. . Single-speed, both motors mounted downward. Skillful use of the expression pedal and the bass pedal notes adds to the effect, especially when the amplifier is driven into clipping distortion. It results in pops, clicks, and some special circuitry to make it work. If you're having trouble following the connections in the above schematic, you might find StefanHahn 's colorized version helpful.
The content of this page is Copyright C 2000, 2001, 2002 Geoffrey T. This was done to protect Hammond dealers who, at the time were responsible for most of Leslie's sales. Connections are made via the 11-pin plug found on all modern Hammonds, and certain clones. A Bit More Here are links providing more information, either about the Hammond Organ or the Leslie Speaker. Brown Bill, Yesterday I got your stuff - big thank you! The outlet should be wired as indicated in the pin-out charts on the Leslie Pin-out Data page. A wonderful A-100 in rosewood.
The resistors are 10W units, so keep this in mind if you are driving this amplifier from another. Weight: 147 pound net How to hook up a 251 to a Hammond Model A-100 using Leslie-kit 8253 1. Hooking a to a Generally, you should drive the Leslie input off of one of the Outputs and chassis ground. Your signal will be passed through the preamp into the organ input and out to the speaker. Since the A-105 was still around after 1965, the special parts needed to make it - i.
One can, of course, use capacitors instead. The lower rotor stops when on Chorale speed. This must be done through an R-C network to develop a. I recommend using the from Speakeasy. I never thought I'd ever have a Leslie, but now I really do.
Guitar amp manufacturers have attempted to emulate the sound of a Leslie speaker with varying degrees of success. If the organ has echo or other signal switching, these should be bypassed. The G-G outputs on the organ preamp are fed by an internal isolation transformer T3 on most schematics with a grounded center tap. Leslie switch switched between rotosonic drum and straight speakers mounted in top louvres. The amplifier is cathode biased and delivers about 60-watts to the load. The details of the 147 Leslie interface are left as an exercise for the interested student. The motors are under control of the musician, and controlled together.
S1 connects the 50v source to the time constant network and then to the signal wires. Dairiki and the other authors of the content, whoever they may be. You can also use a small guitar amp to drive the 147. It connects a load resistor across the amplifier's input, because in organ applications, the Leslie is often driven by the amplifier within the spinet organ, thus the load resistor replaces the speaker impedance. First series below serial 21500 uses 5U4 rectifier section, amplifier rated at 35 watts. This kit provides an 11 pin Leslie outlet on most 1 to 4-channel organs with internal speakers. The 147 is usually found connected to the spinet organs such as the M100 or L100.
Connect the brown lead from the echo control to the short, single, brown lead from the console connector, with wire nut. Remember that the 1 through 6 pin-out on the socket will be the reverse of that seen above. Supply power for the Leslie across pins pins 3 and 4. The El Cheapo Spinet Kit - as simple as it gets. MikeFulk says that this is imperceptible. From the back of the console, reach behind the tone generator and pull the cables through 3.
If the organ is also equipped with an 8000 or similar Hammond-type connector kit, be sure that the signal feed is kept separate from the 147 hookup. This is not a bash on Hammond Suzuki. Models without power amplifiers have the speaker s connected directly to pins 1 and 6 see Amp Driven Interface. It really makes the purchasing decision a no brainer. Model Design name Finishes available Features A-100 Traditional Red mahogany, light walnut First model to be introduced in 1959. Other then that, the connection is the same as shown above. Amplifier Schematics The Total System The Leslie's unique sound, especially when combined with a Hammond organ and a player who has figured out the nuances of this total instrument, are particularly musical and suited to many different musical genres arguably rock, blues, and jazz most often make use of this.