Leslie 147 cable

Forgot your password? What are the differences between both Leslies regarding "the sound" and how those differences are achieved?

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Far as I know the is the universal version suitable for wurlitzers, etc. The was designed so that its connection fit the hammond 5 pin spec used in hammond tone cabinets. They are the same Leslie otherwise. I knew that but I was asking if there's any difference sound wise, given the fact that the has a different amp.

I forget the technical difference, something about the having balanced power leads vs. So the relay is noisier in a I don't think that the amps sound any different, though there is a longstanding folklore that s are for rock and s for jazz. I have owned and played both and not seen much difference in terms of the way they sound.

Yes, there is a slight difference. The is a little brighter, due to the different input circuitry relating to speed switching. Speed switching is done by imposing a DC offset signal onto the balanced signal itself, then filtering it out at the leslie amp and controlling a DC coil relay.

A has an unbalanced input and as mentioned earlier is designed to pick its signal off of any speaker terminal of any brand organ besides a Hammond console. This can be susceptable to clicks and pops when switching speeds. This is entirely a function of how the motors are adjusted, and the condition of the belt. This is because that DC signal I was talking about discharges through a capacitor and takes a second or so to trip the relay. I have one of each. I am in the process of turning the into a balanced line input so that it is easier to run off my organ.

The 's are designed specifically for the Hammond worldwhile the 's are more "generic". I would think coming directly off a power amp via speaker connection would be a different input quality impedance etc to the Leslie.The Yahoo! Complete information can be found by clicking here. Login or Sign Up. Logging in Remember me. Log in.

leslie 147 cable

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Hammond B-3 to Leslie Cable? This topic is closed.

leslie 147 cable

Posts Latest Activity. Page of 1. Filtered by:. Previous template Next. I've got a Hammond B-3 with a 5-pin connector, and a Leslie with a 6 pin connector. I'd rather not buy a Hammond or aftermarket kit, but rather just use one of the extra 5 and 6 pin cables I've got, if I can.

For extra points, I actually have a PR attached to the B-3 by a pin cable, and would like even more to cable the to the PR, if you can explain that.

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Tags: None. Welcome to the forum! Without a kit, you won't have speed switching.Please Add To This Section. Looking into the male connector as if you were going to plug it into your mouth :. It should be enough to give you a good idea of what is involved in hooking a or other "single-ended" Leslie to speaker level outputs.

The kit is relatively easy to make, even more so if you don't mind having the internal speakers permanently disconnected. The most basic setup requires i A six pin amphenol socket, ii a fuse holder with 5A fuse, iii an electronics hobby box or similar housing and iv a single pole - single throw switch of your choice capable of handling line AC voltages.

Remember that the 1 through 6 pin-out on the socket will be the reverse of that seen above. To avoid confusion count pins 1 through 6 as above while viewing the socket from the rear where you solder the wires from the organ.

Reportedly, you can drive the Leslie both G-G outputs for more drive. Either way, make sure to put the Leslie load resistor switch in the off position. Note that in an intact Ayou can hook the Leslie to either the G-G output sor to the speaker level outputs from the AO Beware that there is a high-cut filter in the AOso the signal to the Leslie will tend to be bass-heavy if fed from the amplifier output.

This writeup was graciously provided by Harvey Olsen :. Electro Music and later CBS did not provide factory kits to connect so-called "universal" or general-purpose Leslies to Hammond console organs without internal speaker systems. This was done to protect Hammond dealers who, at the time were responsible for most of Leslie's sales.

Any music dealer could sell s and other general-purpose Leslies, but only Hammond dealers sold Hammond-type Leslies like the 21H, 22H, and Except for the?

D series which is essentially a Model? RT-3 with the components from a PR tone cabinet installed in the organHammond console organs with built-in power amplifiers like the A series can drive type Leslies directly from the speaker outputs.

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In this case, one of several standard Leslie connector kits can be used and a custom hookup is not required. Models 25,and with power amps are electrically compatible but don't have rotary treble horns and are not recommended for console organs.The captain's model guide. About this guide This is a quick guide to Leslie speaker models suited for Hammond organs.

This document is meant as a reference for when you are browsing the classifieds or eBay and is not meant to list every little detail about the speakers. Some models are covered elsewhere on this website, often in detail and with pictures. About the background The background is Leslie finish 'Oak No 20'.

About the roto-sonics Since most players and technicians, including myself, find the roto-sonic Leslie models less valuable, these are listed in a separate section. Some of these speaker models may be used as is, or they can be converted into more Hammond friendly models or simply serve as parts donors for other more valuable Leslie models. Electro Music tended to use the same parts in as many applications as possible, so a good many parts from, say, a model may be used to restore a model If you happen to prefer the more theatre organ-like sound of the roto-sonic Leslie speaker, by all means - you are just lucky to like the more inexpensive alternative.

They are updated in the technical design, but the basic functionality is the same as the vintage speakers.

For a while model and were being produced as A and A.

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A vintage speaker in immaculate condition may fetch a higher price than a new Leslie, especially for the tube models.

If you are a church or a professional business, consider investing in a new Leslie from a local dealer that will support you. Old cabinets often don't come with a warranty or a service organisation, and Mr. If you are looking for a dealer of new Leslie speakers, a few of them are listed in the links section of this website. About cable interfaces The different cable interfaces are discussed in detail in Uncle Harvey's Guide to Leslie pin-outs where I also got the different designations 6H, 6W and so on.

Much has been said and written about cable interfaces for Leslies over the years. Captain Foldback has this to share: Don't let thoughts on cable interfaces scare you out of buying a good Leslie - any Leslie can be hooked up to any organ. That being said, if you have an existing setup and would like to augment the sound with another Leslie, selecting a cabinet with the same cable interface as the one you have, will save some time and trouble. Tube models, 2-speed The standard Leslies that everybody know and everybody want.

Tube models, 2-speed, decorator-style cabinet The drawing room versions of the above models, with almost the same innards. Pro-line road-friendly cabinet unless otherwise stated. Tube models, 1-speed, permanent magnet bass These speakers were in production from about until Tube models, 1-speed, field-coil electro magnet bass All of these models were produced before Later: 6W 60 Same speaker as 31H with a different amplifier made to interface with Wurlitzer organs.

Early cabinets of this model had a 'wide body' amplifier with a non-standard hookup and permanently attached power cord. Came with two different amplifiers: A 20W and the more desirable 30W. The first design with output tubes. Solid state, roto-sonic. Models to be careful about. The models below are ones to be careful of - they look like similar models suitable for Hammond organs,but their design makes them incompatible at least for most uses.

Cables, Connectors, Kits - Hammond & Leslie Cables

Most of these have parts that will work in other, more valuable, models so if you can get them for a song Relatively inexpensive, 20W amplifier. Early versions of model used the amplifier from its predecessor model 25 see below. Later model cabinets are marked 'Leslie '. In both cases the speaker could be obtained without an amplifier for use with spinet organs speaker was powered by the organ's own amplifier.

Modeland are all similar to model but has a simpler cabinet and no amplifier. Good for parts.The Leslie speaker is a combined amplifier and loudspeaker that projects the signal from an electric or electronic instrument and modifies the sound by rotating a baffle chamber "drum" in front of the loudspeakers. A similar effect is provided by a rotating system of horns in front of the treble driver.

It is most commonly associated with the Hammond organthough it was later used for the electric guitar and other instruments. A typical Leslie speaker contains an amplifier, a treble horn and a bass speaker—though specific components depend upon the model. A musician controls the Leslie speaker by either an external switch or pedal that alternates between a slow and fast speed setting, known as " chorale " and " tremolo ".

The speaker is named after its inventor, Donald Lesliewho began working in the late s to get a speaker for a Hammond organ that better emulated a pipe or theatre organand discovered that baffles rotating along the axis of the speaker cone gave the best sound effect. Hammond was not interested in marketing or selling the speakers, so Leslie sold them himself as an add-on, targeting other organs as well as Hammond.

Leslie made the first speaker in The sound of the organ being played through his speakers received national radio exposure across the US, and it became a commercial and critical success.

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It soon became an essential tool for most jazz organists. Because the Leslie is a sound modification device in its own right, various attempts have been made to simulate the effect using electronics effect units. He was disappointed, however, with the sound in his home compared to the large showroom where he originally heard it. Consequently, he attempted to design a speaker to overcome this. He initially tried making a cabinet similar to Hammond's, but soon concluded that pipe organs produced a spacially varied sound because of the different location of each pipe.

He set out to emulate this by making a moving speaker. He tried various combinations of speakers and speeds, and discovered that a single one running at what's now known as the "tremolo" speed worked best.

After further experimentation, he decided that splitting the signal into a rotating drum and horn helped accentuate bass and treble frequencies. ByLeslie decided his prototype was ready to market, and went to the Hammond Organ Company to demonstrate it. Laurens Hammond, however, was not impressed with Leslie's attempt to better his own organ design, and declined to market it.

Leslie manufactured the speaker to work with other organs besides Hammond, including WurlitzerConnThomas and Baldwin.This writeup was graciously provided by Harvey Olsen :. Electro Music and later CBS did not provide factory kits to connect so-called "universal" or general-purpose Leslies to Hammond console organs without internal speaker systems. This was done to protect Hammond dealers who, at the time were responsible for most of Leslie's sales.

Any music dealer could sell s and other general-purpose Leslies, but only Hammond dealers sold Hammond-type Leslies like the 21H, 22H, and Except for the? D series which is essentially a Model?

RT-3 with the components from a PR tone cabinet installed in the organHammond console organs with built-in power amplifiers like the A series can drive type Leslies directly from the speaker outputs. In this case, one of several standard Leslie connector kits can be used and a custom hookup is not required.

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Models 25,and with power amps are electrically compatible but don't have rotary treble horns and are not recommended for console organs. NOTE : Do not rewire the organ's stock 5-pin tone cabinet socket for type Leslies or use a 5-to-6 pin Hammond cable for this purpose! Doing so could result in a serious electrical hazard. Universal-type Leslies require a separate 6-pin socket, which should be labeled "" or similar. Caution users not to use this socket for Hammond tone cabinets or Hammond-type Leslies.

leslie 147 cable

If the organ is also equipped with an or similar Hammond-type connector kit, be sure that the signal feed is kept separate from the hookup. For temporary use, it's possible to remove the six-pin plug from a six conductor Leslie cable and make the following connections directly to the organ's preamp. However, this type of hook-up should not be used for portable or permanent use.

The installation will be neater and safer if the six-pin socket is installed in the organ's outlet box. Set the Load Switch in the Leslie power amp to the "open" position. This completes the hook-up.

B3 Organ Leslie 147

If a type "half-moon" switch is used, it will work backwards with type Leslies. To fix the problem, simply rewire the switch using the previously unused set of terminals. The same switches were used for both and type kits and have two sets of contacts. If a Hammond tone cabinet or second Leslie is part of the installation, they must be "in phase.

Should this happen, move the signal connection from pin 6 to the other "G" terminal. There is plenty of signal available but the console's AC wiring can supply power for only two tone cabinets. If a third speaker is used, a power relay should be used to reduce the electrical load on the organ.

Also, the life of the organ's "run" switch is extended if the current load is reduced. Universal-type Leslies should be connected directly the organ preamp. If the organ has echo or other signal switching, these should be bypassed. Hammond consoles were usually used only with external cabinets with balanced inputs.The following text was kindly sent to me by Mr. Harvey Olsen, Chicago, U. I have not altered the text except for the formatting.

As additional Leslie models were developed for other organs, notably Wurlitzer and Conn, six-pin plugs and sockets were retained. Six conductor cables are interchangeable but the three 6-pin Leslie types are not! Input connections and channeling differ - using an incorrect Leslie type is hazardous plus the speaker will not function properly. Early "30" series models below serial number have no provision to isolate DC control voltages and can not be used with 6H-type hookups unless their power amps are upgraded to later specs.

Spinet-type Leslies without power amps have their speaker s connected directly to pins 1 and 6. Model 55C has no tremolo relay and pin 2 is not connected. Tremolo control for Model 55C is accomplished by switching audio channels at the organ.

Note: "Wurlitzer" and "Conn" brand designations were dropped in later years. These Leslie types are now used with many different organ makes and models including Hammond. It was also used to "daisy-chain" early Hammond series 21H, 22H, etc. Leslies together and connect to Hammond-type 6H Leslie models to later self-powered Hammond consoles with series connector kits and five-pin sockets at the console.

Mains AC. Signal Ground.

Servicing the Leslie 147 Amplifier

It was mostly unsuccessful, but a number of these cabinets were sold. Series 10 cabinets were originally intended for the H series but later used with Es and some spinet models. These cabinets were produced in various finishes and trim to match specific consoles but are identical internally. They are two-channels in with a third bass channel common to both inputs. When used with single channel organs, pins 1 and 7 are paralleled. Series 10 cabinets do not have reverb or other animation, and are not recommended for early or current model Hammonds.

Captain Foldback's note: The graphic on the right is from a Danish brochure describing the control panel on the back of the cabinet. If you want to read more about the Series 10 cabinet, click on the graphic.

6-Pin Leslie Power Relay (Leslie 122 or 147)

Tab Voices Input. However, only the ground pin 1 and AC input pins 8 and 9 are consistent in nine-pin Leslie types. Other nine-pin Leslies are multi channel and their pin connections and functions differ. Model selected Conn models.

Models GK, Gulbransen, selected Lowrey theatre models. Models,selected Thomas models.


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