Classification of B-3's Generation

How to find production year of your Hammond Organ

Classification

Early

Middle

Later

Latest
Serial Number Plate Aluminum Plastic Plastic Paper
Lock Round Round Large Large
Pilot Light No Yes Yes Yes
Logo HAMMOND HAMMOND
Drawbar Knobs Plain Plain Engraved Engraved
Wirings Cotton Braded Vinyl PCV PCV
End Blocks Wooden Black Plastic Black Plastic Black Plastic
Power Transfomer Big Silver Small Black Small Black Small
Vibrato Line Box Silver, beneath the top board Behind U. Kbd Behind U. Kbd Behind U. Kbd
Capacitors Wax Caps . Film Film
Oil Lines Brass Pipes No No No
Cabinet Walnut/Cherry Walnut Walnut Walnut
Cabinet Durability Strong Standard Standard Weak
Key Touch Shallow, Light Shallow, Light Deep, Heavy Deep, Heavy
Tone Mild - Clear Clear
Low Range Weak - Strong Strong


Correction requested. urbanmusic.com

The early B-3




Hammond Organ B-2



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