Tonewheel General

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Tonewheel General The place to go when you own a Hammond or Leslie. Shop over 500 items, with same-day shipping available on most orders.

Since 2004, TWG has provided parts, supplies, restoration products, services, and expertise for Hammond organs and Leslie speakers.

We're excited about our new product!
10/14/2026

We're excited about our new product!

MADE IN THE USA! Designed to faithfully duplicate Don Leslie's original 40-watt tube amplifier while incorporating improvements made possible by modern components and technology. Completely new from the ground up, featuring a stainless-steel chassis, motor sockets, grommets, transformers, all-new wi...

New product available!
09/11/2026

New product available!

This amp has been completely rebuilt with: New components New tube sockets New wires New Trek II solid-state relay New Trek II capacitor board New ID tag The chassis has a bit of character but will sound great! TWG recommends using a new set of tubes.

The Hammond Organ Age Determination List is now live!
09/10/2026

The Hammond Organ Age Determination List is now live!

The Hammond & Leslie Age Determination List Last updated Monday, August 31, 2026 • Version 4.170 Mission Statement To help determine the manufacturing date of Hammond organs and Leslie speakers. Use this form if you would like to submit your Hammond organ, Hammond tone cabinet, or Leslie speak...

07/10/2026

Disclosure Day has arrived! Please read this important message.
. . A L L G O O D T H I N G S . . .

Way back in circa 1962 I had my first encounter with a Hammond organ, an M-3 used in my Grandfather’s church. After the service my Aunt had me sit beside her while she demonstrated how the keys and drawbars worked. I was hooked.

From age five the Hammond organ has been in the foreground and background of my life. No matter what shiny path I came across I always returned to the Hammond organ in some form.

One of those returnings happened in 1994 when I purchased a 1963 Hammond C-3 organ and had a technician connect it to a Leslie 147.

As I watched him I remember thinking “I could do this stuff”. I had a year of electronics school in 1972 and tinkered with this or that piece of electronics gear over the years since.

So began my career as a Hammond organ technician, coincidentally, and, serendipitously at the same time as the rise of the World Wide Web. I joined the newly formed “HamTech” internet mailing list and consumed every bit of knowledge and lore I could find.

In 2004 I got the idea for Tonewheel General Hospital. I had to have parts on hand for my local tech work so why not see if I couldn’t make them available to a larger market.

And here we are, 22 years later with Tonewheel being a worldwide provider of parts and information to thousands of bands, musicians and technicans. Tonewheel has shipped approximately 50,000 packages across the globe.

I’m 69 years old now with a touch of arthritis in my hands and a body that complains about all those organ rentals I performed. It is time to pass the tape gun to a younger man whose enthusiasm, stamina and spirit remind me of myself long ago. That man is Matt Coker of Knoxville, TN, a jazz musician, musical instrument technician and small business owner.

Therefore, I, along with Matt, hereby announce and proclaim that Tonewheel General Hospital has been sold and new management will take effect on Monday, July 27, 2026. Matt expects the new web site to be operational on July 29 and to start shipping orders on August 3, 2026. I hope you all will join me in wishing Matt great success going forward.

My last day shipping orders will be Thursday, July 23, 2026. The web site and 800 phone number will transfer to Matt shortly thereafter. All email addresses used by Tonewheel under my leadership will be deactivated.

What’s to become of Doctor Drawbar? Well, I’m not going away. I think I have enough energy and time for one last adventure.

You can find me at DoctorDrawbar.com where I will continue my work with the Hammond organ. My new email address will be [email protected].

And if you are very, very lucky, I’ll see you, out there

04/01/2025
04/20/2022

Cable-making time!

A new run of Crossovers . . Ready to ship.
08/11/2021

A new run of Crossovers . . Ready to ship.

.A Word from Doctor Drawbar on the Shipping Effects of the Corona Virus PandemicALERT! USPS is facing a huge challenge r...
03/19/2021

.A Word from Doctor Drawbar on the Shipping Effects of the Corona Virus Pandemic

ALERT! USPS is facing a huge challenge right now with package delivery. Numerous reports have been received regarding delays of a week or more at package distribution centers. If your package needs to arrive in a timely manner I recommend shipping via FedEx. We are not responsible for delays in the package distribution system.

A small change to the shipping schedule: Shipping cutoff time is now 10:00 AM. USPS and FedEx packages are going out daily Monday through Friday.

It has been brought to my attention that USPS, UPS and FedEx have advisories regarding mail/package delivery within the United States and to foreign lands. Package delivery guarantees have been suspended (as in, they will not refund the shipping cost for a late package). There is also a list of foreign destinations that packages can not be shipped to. Please see their respective web sites for the fine print.

Some USPS export shipments have seen delays of several weeks due to issues at the Chicago International Sorting Facility. This is unacceptable and frustrating for all concerned. For timely arrival I recommend sending export shipments via FedEx International service. Please contact us for a quote.

My continuing prescription for all our customers world wide: Endeavor to persevere.

Rick Prevallet
Doctor Drawbar

HOURS of OPERATION: Generally 9:00 AM to 5:00 Central Standard Time (-6 GMT) Monday through Friday, with some exceptions given the holiday season and the 'rona effects.

SHIPPING SCHEDULE: Shipping cutoff time is 10:00 AM Monday through Friday.

INTAKE and VISITOR POLICY: There will be no person-to-person interactions at the Hospital. Parts sent to us for repair will be accepted as normal.

Plenty of 200vdc B+ on hand . . .
06/02/2018

Plenty of 200vdc B+ on hand . . .

Address

117 Huxley Road Ste D
Kansas City, MO
37922

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm

Telephone

+18008675926

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