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Wurlitzer 4500 and 4502

The Wurlitzer 4500 and 4502 are solid state transistor divider organs.

4500
4502

Cabinet drawings

We have scanned the following drawings for cabinet parts and controls for the Wurlitzer 4500 and 4502:

  • 504331 (Ferrule, top, for Wurlitzer 4500)

  • 504335 (Ferrule, top, for 4500)

  • 504339 (Ferrule, top, for 4500)

  • 504456 (Foot rail for 4500)

  • 504473 (Ferrule, top, for 4500)

  • 504484 (Ferrule for 4500 bench)

  • 504516 (Fall lip hinge for Wurlitzer 4502)

  • 652316 (Stop tablet, blank, black, for 4500)

  • 652317 (Stop tablet, blank, red, for 4500)

  • 652318 (Stop tablet, blank, white, for 4500)

  • 652319 (Stop tablet, blank, yellow, for 4500)

  • 652320 (Stop tablet, blank, maroon, for 4500)

  • 652836 (Music panel rest for 4500)

  • 652839 (Grille cloth for 4500)

  • 652839 (Grille cloth for 4500)

  • 652840 (Grille cloth for 4500)

  • 652841 (Grille cloth for 4500)

  • 652842 (Grille cloth for 4500)

  • 653050 (Pad extrusion, expression pedal, for 4500)

504331_dwg_01.jpg
504335_dwg_01.jpg
504339_dwg_01.jpg
504456_dwg_01.jpg
504473_dwg_01.jpg
504474_dwg_01.jpg
504474_dwg_02.jpg
504516_dwg_01.jpg
652316_dwg_01.jpg
652316_dwg_02.jpg
652316_dwg_03.jpg
652317_dwg_01.jpg
652317_dwg_02.jpg
652317_dwg_03.jpg
652318_dwg_01.jpg
652318_dwg_02.jpg
652318_dwg_03.jpg
652319_dwg_01.jpg
652319_dwg_02.jpg
652319_dwg_03.jpg
652320_dwg_01.jpg
652836_dwg_01.jpg
652839_dwg_01_spl.jpg
652839_dwg_01.jpg
652840_dwg_01.jpg
652841_dwg_01.jpg
652842_dwg_01.jpg
653050_dwg_01.jpg 
4500
4502

Electronic components

The drawings below include drawings for electronic components for the Wurlitzer 4500 and 4502.

  • 652492 (Buss wire for Wurlitzer 4500)

  • 652593 (Cable and plug assembly, line switch, for 4500)

  • 652728 (Molded plug and cable assembly for 4500)

  • 652729 (Cable and plug assembly, upper, for 4500)

  • 652762 (Cable assembly, upper manual stop tab to straf, for 4500)

  • 652792 (Cable and plug assembly, crossover to upper amp, for 4500)

  • 652793 (Cable and plug assembly, crossover to lower amp, for 4500)

  • 652843 (Transformer for 4500)

  • 652987 (Aluminum foil tape for 4500)

Technical drawing or blueprint of wire, including specifications and measurements, created by the Wurlitzer Company in Corinth, Mississippi.
Technical blueprint drawing of cable and plug assembly, line switch, and related components, including detailed measurements, instructions for insulation, and annotations for assembly standards.
Technical drawing of a terminal switch and plug for cable and plug assembly, including wiring details, measurements, and assembly instructions.
Technical blueprint or schematic diagram of an electrical component, specifically a line switch and plug assembly, with detailed measurements, notes, and annotations.
A close-up of a vintage document with handwritten and printed text, including parts labeled Part No., Vendors No., Description, Approved Source, EAC#, and Date, with some text crossed out and numbers handwritten.
Technical engineering drawing of a cable and plug assembly, showing measurements, materials, and construction details.
Blueprint of a cable assembly with parts and dimensions, including labels for braid, tape, wire, and strain twist, with handwritten notes and revisions.
A technical blueprint or wiring diagram with detailed notes about electrical connections, wire types, and assembly instructions. Includes handwritten annotations, part numbers, and specifications.
Technical blueprint drawing for cable and plug assembly, labeled with measurements, part numbers, and notes on materials and assembly instructions.
Technical engineering drawing of a transformer with dimensions, specifications, and detailed annotations.
A technical drawing or blueprint for aluminum foil tape created by Minnesota Mining and Manufacturing Co. (3M). The document includes hand-written notes, signatures, and details about the product, such as model number 4500, assembly 652048, and manuf 
4500
4502

Felt

The drawings below include felt parts for Wurlitzer 4500 and 4502:

  • 652970 (Washer, felt, for 4500)

  • 652981 (Pad, felt, for 4500)

  • 653001 (Felt strip, dust cover, for 4500)

  • 653002 (Felt strip, dust cover, for 4500)

  • 653037 (Felt stop, front rail, top, for 4500)

  • 653685 (Felt strip, stop tablets, Spect., for 4500)

Technical blueprint drawing of felt strips with detailed measurements, annotations, and revision notes.
Technical drawing or patent illustration of a felt strip with handwritten notes, measurements, and revisions, including details about the material and specifications.
A technical blueprint or drawing for a felt strip, showing detailed specifications, measurements, materials, and revision history.
Technical blueprint drawing for a washer-felt component, showing dimensions and material details.
A technical drawing or blueprint of a felt pad with dimensions, notes about material, and references to revisions and approvals.
Blueprint or technical drawing of a felt strip dust cover, with dimensions and manufacturing details, produced by The Wurlitzer Company in Corinth, Mississippi.
Technical drawing of a felt strip dust cover, showing dimensions and specifications, created by The Wurlitzer Company.
Blueprint drawing of a felt stop for a front railing, with detailed measurements and specifications, created by The Wurlitzer Company in Corinth, Mississippi.
Technical blueprint drawing of felt stop tables, showing dimensions, layout, and specifications for manufacturing.
Technical blueprint drawing titled 'Felt Strip-Stop Tablets-5027' with measurements and specifications for manufacturing felt strip stop tablets, including layout, dimensions, and notes for production.
Black and white historical document titled 'Material Evaluation Report' from 'The Wurlitzer Co., Corinth Division, Corinth, Mississippi,' dated November 29, 1965, with handwritten notes regarding part number, quantity, and remarks.
A handwritten record titled 'Parts History Record' with columns indicating part number, name, supplier, dates, lot size, sample, and inspection details, with an entry for a part number 21968, dated 3-25-68.

Mechanical parts and mounting

The drawings below include mechanical parts, fasteners, and parts for mounting in the Wurlitzer 4500 and 4502.

  • 504455 (Glue block, bottom, for 4500 and 4502 bench)

  • 504475 (Rivet, semi tubular, for 4502)

  • 504478 (Spline, pedal clavier, for 4500)

  • 504669 (Switch rail, spacer, for 4500 pedal)

  • 504589 (Center support, bottom, for 4500)

  • 505101 (Pad, music panel finial, for 4500)

  • 652450 (Wire link, stop tablet, 4’ lower manual, for 4500)

  • 652451 (Wire link, stop tablet, 8’ lower manual, for 4500)

  • 652502 (Locating plate and pin assembly, right hand, for 4500)

  • 652504 (Plate, lock, left hand pedal, k. bd., for 4500)

  • 652518 (Hairpin, fixed rods, for 4500)

  • 652519 (Switch rod for 4500)

  • 652525 (Switch rod, rotating speaker, for 4500)

  • 652552 (Support bracket, mounting plate assembly, for 4500)

  • 652555 (Spring, stop tablets, for 4500)

  • 652563 (Retainer, top, for 4500)

  • 652564 (Clip, top, for 4500)

  • 652566 (Spring, stop tablets, for 4500)

  • 654575 (Spacer, stop tablet switch, for 4500)

  • 652588 (Extrusion felt assembly, upper manual, for 4500)

  • 652589 (Spacer for 4500)

  • 652602 (Mounting plate, pivot bracket, for 4500)

  • 652618 (Cleat, partition lower, for 4500)

  • 652696 (Pedal cover cleat for 4500)

  • 652698 (Cleat, amplifier, for 4500)

  • 652737 (Guide, pedal, for 4500)

  • 652738 (Grommet for 4500)

  • 652756 (Switch, fixed, for 4500)

  • 652789 (Lower manual duet cover support for 4500)

  • 652791 (Filler block for 4500)

  • 652799 (Doubling, lower right keyblock, for 4500)

  • 652802 (Front doubling, lower left keyblock, for 4500)

  • 652865 (Upper back rail center cleat for 4500)

  • 652969 (Switch rod, lower manual, for 4500)

  • 652998 (Sleeve, cable, for 4500)

  • 653003 (Spacer, preset and cancel buttons, for 4500)

  • 653038 (Rubber stop, front rail, top, for 4500)

  • 653040 (Rubber stop, front rail, bottom, for 4500)

  • 653136 (Spacer for 4500)

  • 653137 (Spacer for 4500)

  • 653138 (Spacer for 4500)

  • 653139 (Spacer for 4500)

  • 653144 (Centering shaft for 4500)

  • 655217 (Counterweight for 4502)

  • 658895 (Fork, switch wires, for 4502)

4500
4502
Blueprint of a glue block-bottom model, including dimensions and material specifications, from Wurlitzer Company, Corinth, Mississippi.
Technical blueprint or engineering drawing for a wooden clock bottom, made from poplar or oak, showing dimensions, grain direction, and assembly details.
Blueprint of a rivet with specifications, dimensions, and material details. Handwritten notes include model number 4502, finish style inStanley bronze, material steel, and approval details from Wurlitzer Company.
Technical drawing or blueprint for a maple wood piece by The Wurlitzer Company, with dimensions, instructions, and approval stamps, including artist and date details.
Blueprint for a switch rail spacer, showing dimensions and technical notes, produced by The Wurlitzer Company, Corinth, Mississippi.
Blueprint drawing of a center support bottom for a machine, showing detailed measurements, section views, and construction notes, created by The Wurlitzer Company in Corinth, Mississippi.
Technical drawing or blueprint for a music panel, with measurements and specifications for the parts, made by The Wurlitzer Company.
Blueprint for a wire link-stop tablet lower manual, showing dimensions and technical details.
Technical engineering drawing of a wire link stop tablet, showing dimensions, angles, and notes for manufacturing.
Technical engineering blueprint showing details for locating a plate and pin on a part, with annotations, measurements, and revisions.
Technical drawing of a mechanical part with detailed measurements and specifications, created by The Wurlitzer Company in Corinth, Mississippi.
Blueprint drawing of a music wire hook labeled 'Hairpin-Fixed Rods', with measurements and technical details.
Technical drawing of a switch-rod made of polyester plastic with detailed dimensions and specifications, including notes on spiral run-out grooves and finish requirements.
A technical blueprint or engineering drawing of a switch rod, including detailed measurements, specifications, and notes about materials and construction.
Technical engineering blueprint drawing of a support bracket mounting plate assembly, including detailed dimensions, hole specifications, and material notes, created by The Wurlitzer Company in Corinth, Mississippi.
Engineering blueprint drawing of support bracket mounting plate with detailed measurements and specifications, including material and finish information, created by The Wurlitzer Company.
Blueprint drawing of a spring-stop Table, showing dimensions and technical specifications, with handwritten notes and revisions, property of The Wurlitzer Company.
Technical drawing of a spring-stop table, showing detailed measurements, angles, and notes for manufacturing, labeled with specifications like material, finish, and revision date.
Blueprint technical drawing of a top retainer with detailed measurements, notes, and annotations, created by The Wurlitzer Company in Corinth, Mississippi.
Blueprint drawing for a clip-top cadmium plate, with dimensions and technical specifications, created by The Wurlitzer Company, Corinth, Mississippi.
Technical blueprint for spring-stop tablets showing model number, assembly number, material specifications, and assembly instructions with detailed engineering notes.
Technical drawing blueprint of a spacer-stop tablet switch, showing dimensions, materials, and construction details.
Technical drawing or blueprint of extrusion and felt assembly, showing detailed measurements, parts, and annotations related to factory manufacturing processes.
Technical blueprint or engineering drawing for a spacer part. The document includes details such as the model number 4500, assembly number 652590, material specifications, and notes about the spacer being free of burrs. It features hand-written signa
Technical engineering blueprint of a mounting plate, showing dimensions, hole sizes, and details for manufacturing, created by The Wurlitzer Company.
Blueprint drawing of a metal part titled 'Cleat - Partition Lower', including measurements, hole positions, and notes on materials, dimensions, and assembly details.
Technical drawing or blueprint titled 'Pedal Cover Clear' for a model 4500, with measurements, notes, and revisions, produced by The Wurlitzer Company, Corinth, Mississippi.
Technical drawing or blueprint for a cleat amplifier, including measurements, material specifications, and revision details.
Technical blueprint drawing of a cleat amplifier, including measurements, materials, and construction notes.
Technical blueprint of a guide pedal with detailed dimensions and specifications, including material, model number, and assembly information.
Technical drawing document of a grommet, including measurements and material specifications, with a small sealed plastic bag containing a rubber grommet attached to it.
Blueprint design for a grommet made from pure soft gum rubber, showing detailed measurements and technical specifications.
Blueprint for a rubber grommet part, showing detailed technical measurements and specifications, with handwritten notes, approvals, and project information.
Technical engineering drawing for a switch in red, showing measurements, notes, and revision details, from The Wurlitzer Company.
Technical engineering blueprint for a switch with detailed measurements, notes, and approval signatures in blue ink on a beige background.
Technical blueprint for a lower manual dust cover support with detailed measurements and specifications, created by The Wurlitzer Company in Corinth, Mississippi.
Technical drawing of a filler block with detailed measurements and specifications.
Blueprint diagram of a double lower right key lock, labeled with measurements and specifications, including notes on sanding allowances and approval details.
Technical drawing of a piece labeled 'Front Doubling - Lower Left Keyblock' with dimensions and notes, produced by The Wurlitzer Company.
Blueprint drawing of an upper back rail for a center cleat, with measurements and specifications, including material as yellow pine oak, two holes with 3 1/2 and 2 1/2 inch lengths, and notes on drilling and sink for a specific bolt size.
Blueprint drawing of a switch rod with detailed measurements and specifications for manufacturing.
Technical engineering drawing of a cable sleeve with detailed measurements, specifications, and notes, created by The Wurlitzer Company.
Technical drawing of a button spacer with dimensions and specifications, created by The Wurlitzer Company, dated June 10, 1964.
Blueprint of a rubber stop, showing technical specifications, measurements, and material details, created by The Wurlitzer Company.
Technical blueprint or engineering drawing for a rubber stop, showing measurements and annotations.
Technical blueprint or engineering drawing of a spacer part, with dimensions and notes, created by The Wurlitzer Company.
Technical drawing blueprint of a round seamless telescope brass tubing, featuring specifications and annotations.
Technical drawing of a mechanical part labeled 'Spager,' with dimensions and notes, created by The Wurlitzer Company in Corinth, Mississippi, dated 1964.
Blueprint drawing of a spacer with detailed dimensions and notes for manufacturing, including specifications and approval signatures.
Engineering blueprint for a centering shaft. Contains technical drawings and measurements, including dimensions and notes related to the manufacturing specifications of the part.
Technical drawing or blueprint of a counter weight, showing detailed dimensions, annotations, and specifications related to its design and construction.
Blueprint drawing for fork-switch wires, showing detailed measurements and specifications, titled at the top with a part number 658895.
Engineering blueprint for a fork-switch wires part, including dimensions and technical specifications.