Matt's Gearspace

Organs

Hammond A-3vsHammond XK-4

Summary

Hammond A-3 and Hammond XK-4: 2 Hammond organs compared side by side. They differ on 3 of 4 compared specifications.

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2 items

Hammond

A-3
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Hammond

XK-4
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General
ManufacturerHammondHammond
StatusCurrentCurrent
Keyboard
Manuals—1
Keys per manual6161
Key action—Waterfall
KeybedLower manual using the XK-5 key-bed and multi-contact system; upper manual and sound generation from an XK-5 (not included)Semi-weighted square-front waterfall, velocity-sensitive, virtual multi-contact
Sound
Drawbars—Physical
Sound engine—MTW2 (Modelled Tone Wheel 2) organ engine
Organ models—Hammond MTW2 modelled tonewheels, Vx, Farf and Ace transistor organs, classical and theatre pipe organ
Polyphony—61 (tonewheel organ)
Connections
Outputs—1/4-inch unbalanced, Headphones, Leslie 11-pin
MIDI ports—DIN in, DIN out, USB
Pedal inputs—Sustain, Expression, Rotor speed, Footswitch
Features
FeaturesRequires XK-5, B-3-style red walnut cabinet, Detachable upper assembly, folding standNine physical drawbars, Virtual multi-contact keying, Tube modelling, Digital Leslie (8 cabinets), Pitch and mod wheels, Rotary and organ pedal outputs, Aux input, Colour display, Beech side panels
Size & weight
ColoursRed walnutBlack
Dimensions (W × D × H)—1004 × 322 × 109 mm
Weight—9.4 kg

Key differences

  • Keybed: A-3 – Lower manual using the XK-5 key-bed and multi-contact system; upper manual and sound generation from an XK-5 (not included) XK-4 – Semi-weighted square-front waterfall, velocity-sensitive, virtual multi-contact

Both are the same on keys per manual (61).