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NORTH SUBURBAN HAMMOND ORGAN SERVICE
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North Suburban
Hammond Organ Service

We repair all traditional Tone Wheel Hammond Organs
including the following models. A, AV, BC, BCV, CV, C2, C3, B2, B3, A100, RT2, RT3 and X66*. Also M and T series spinets, Leslie 122 and 147 Speakers and Hammond HR40, PR40 tone cabinets, Fluid-Column, Necklace, and Necktie Box Reverb tanks and we even fix Hammond Solovoxes, Models J,K,L.


Note: The NSHOS was formerly a Hammond Organ club with monthly meetings. In the winter of 2022, we disbanded the organ club mainly because covid restrictions had decimated our monthly attendance, and we are now primarily a Hammond organ service and repair outfit dedicated to the repair of Hammond organs and related equipment and also the promotion of the traditional Hammond tone wheel instruments.

If you have any one of the Hammond Organ models listed above and it is in need of repair, Contact us! We can help you. We have lots of experience will all facets of Hammond tone wheel organ repair. Tone generator re-capping, calibration, keyboard repairs, busbar and contact servicing, foam gasket removal from later model C3s, B3s and RT3s, changing foldback configurations, We'll even add the missing 7th harmonic to one set of drawbars on either the upper or lower manual of an A100, B or C series Hammond.
We do Vibrato Scanner rebuilding, adding String Bass effects to pedals, adding X66 individual note percussion to a B3 or C3, adding MIDI capability, pretty much anything that is needed regarding the restoration, repair, or enhancement of standard, traditional tone wheel Hammonds. We also replace old, brittle AC Power wiring in older Hammonds, we can also add new 3 prong power cords with correct grounding to meet new electrical safety requirements. Also repairing 1950s vintage Wurlitzer electrostatic organs and early Gulbransen instruments. Sorry, we do not service any of the newer LSI Hammond models, such as the Elegante, Concorde and others of that type, and likewise, with the exception of those listed above, we do not service any other brands of electronic organs or modern keyboards either.

* NOTE: Hammond X66 organs are very complicated and very different from standard Hammonds. in some instances an X66 repair may require many hours of diagnostic time, and if a repair is major, we may request that you ship the instrument to our location in MA. This would also be necessary if the instrument is located outside of New England, (ME, MA, NH, VT, CT, or RI.) In rare instances if there is sufficient damage, we may not attempt any repairs. Also, if your Hammond has been considerably previously altered from its original state and there is no documentation regarding these changes, we will need to figure out what the changes are and how do they affect the instrument before attempting any repair work. If sloppy or careless previous repair work has resulted in additional problems, we may decide not to attempt any repairs. Likewise, we do not attempt any repairs if there is evidence of severe mice or other rodent damage in any instrument, which in some instances can be a health hazard as well as the cause of major destruction of delicate electronic assemblies.

Hammond B3 Console

A classic! A Hammond B3 console.

Leslie 122 left, Hammond PR-40 on right

The other classic! A Hammond C3. Musically, mechanically and electrically, the C3 is identical to the B3. The only difference between this and the B3 is the style of the console. If you are contemplating getting a classic Hammond, you will save probably around $1000 by purchasing a C3 and still get the exact same instrument as the B3!

Leslie 122 left, Hammond PR-40 on right

The two speaker cabinets that are usually used with the B3 and C3 above: a Leslie 122 on the left, and a Hammond PR-40 on the right. Many installations include at least one of both types, although the basic package that Laurens Hammond wanted was the B3 with only Hammond's own PR-40s.