Hammond Sk1-73

73-key Combo Organ with Drawbars, Effects, MIDI, and Waterfall Keys
Hammond Sk1-73 image 1
Hammond Sk1-73 image 1
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Enjoy a free bonus thumb drive when you purchase select Hammond SK organs at Sweetwater! This Sweetwater-exclusive bonus drive ($29.00 value) includes extra voice libraries, backing tracks, and more! There are no forms to fill out. The bonus thumb drive will be automatically included with your shipment.
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B3 In a Box: The Hammond SK1-73

A Hammond B3 you can tuck under your arm? Amazingly, the Hammond Sk1-73 packs the swirling sonic fortitude of the legendary B3 into a tidy package weighing under 16 pounds. The first Hammond portable to feature a wide range of Extra Voices, the Sk1-73's Drawbar section serves up genuine B3 gestalt, replete with all the traditional features: real mechanical Drawbars, Chorus Vibrato, Touch-response Percussion, and an outrageously convincing digital Leslie rotary speaker emulation.

Hammond Sk1-73 Combo Organ at a Glance:

  • Pure organ sounds for your gigs and sessions

  • All the keyboard sounds you want and need
Pure organ sounds for your gigs and sessions

When it comes to organ sounds, most purists insist on the real thing. The Sk1-73 walks like a Hammond and talks like a Hammond. It's just several hundred pounds lighter and fits in your Mini. The Drawbar section is a complete Hammond Organ with all the functions. Hammond's VASE III digital tone-wheel sound generators deliver voicings so convincing, you'll be looking around for a hidden Leslie cabinet.

All the keyboard sounds you want and need

The Hammond Sk1-73 houses great Vx and Farf combo organ models, plus a potpourri of fine classical Pipe Organ voices derived from Hammond's 935 Church Organ. Acoustic and Electric Pianos, Clavs, Accordions, Vintage String Synth, Wind Instruments, and Tuned Percussion round out the soundset. All the sounds you need for any gig. If you're hankering for those swirluptuous, authentic B3 tones but don't have a road crew and a tractor-trailer, this is your chance. Hook up with the Hammond Sk1-73 and give your music some lovin'.

Hammond Sk1-73 Combo Organ Features:

  • Sound generator organ section: 2 x VASE III digital tone-wheels, transistor organ, and pipe organ; Extra Voice section: VASE III

  • Polyphony: manual (except pipe organ): 61 notes; pedal (except pipe organ): 8 notes; maximum (on pipe organ): 63 notes; Extra Voice section: 63 notes
  • Keyboard: 73-key, F1 to F7
  • Drawbars: 9 pitches, assignable for upper, pedal, lower
  • Effects: Vibrato and Chorus, Overdrive, Multi-effects (8 Programs), Reverb (Digital, 11 Programs)
  • Equalizer: Organ: bass, mid (sweep), treble, tone; Extra Voice: bass, mid (sweep), treble
  • Master EQ: bass, mid gain, mid frequency, treble
  • Controllers: Volumes: Master Volume, Music Volume, Extra Voice Volume; Switch: Power on/off
  • Music player: File format: WAV (44.1Khz, 16-bit, stereo), MP3 (44.1Khz, 128kbps, stereo); Control: Song, play/pause
  • MIDI: 9 templates; External Zones: 3 Zones, assignable to any keyboard
  • Storage: USB flash drive
The Hammond Sk1-73: for those organ(ic) sounds you can't get anywhere else!

Additional Media

SK Series User Manual

Tech Specs

Sound Engine Type(s) Modeling
Number of Keys 73
Type of Keys Waterfall
Other Controllers 9 x Drawbars
Polyphony 73 Notes
Wave Memory 24MB
Number of Presets 100 User, 100 Preset
Expansion Expansion Libraries Available from Hammond
Number of Effects 8
Effects Types Leslie, Vibrato, Chorus, Overdrive, Reverb, Sustain
Audio Playback 16-bit/44.1kHz WAV, 128kbps MP3
Audio Outputs 2 x TS, 1 x TRS (Headphones)
USB 1 x Type A
MIDI I/O 2 x In, 1 x Out
Pedal Inputs 1 x Expression, 1 x Footswitch, 1 x Damper
Power Supply AC Adaptor AD3-1250
Height 3.5"
Width 44.3"
Depth 12"
Weight 21 lbs.
Manufacturer Part Number 002-SK1-73

Customer Reviews

Based on 10 reviews
Write your review

Fantastic Keyboard!

This is one of the few things I didn’t buy from Sweetwater since I couldn’t pass up the deal on a gently used one. I bought this strictly on the reviews and demonstrations on YouTube. My live rig before this was an Alesis QS 7.1, Voce V5 and a MotionSound KBR-M. That gave me passable piano/Rhodes sounds as well as good Hammond/Leslie sound. That rig was going on 15 years old and I was getting back into live music, so I took the plunge. I also have a Hammond M3 and my MotionSound KBR-M in the basement for my weekly jam with my buddies, so I’m pretty picky when it comes to the sound of an organ. The Leslie effect is paramount and the SK1 does it beautifully. It’s also very adjustable with mic distance and mic angle, cabinet selection and horn/rotor speed parameters. This keyboard is so tweakable that you can replicate just about any Hammond you want through custom tonewheel tables if you want. The overdrive is very convincing as well. You can configure the expression pedal to roll in the overdrive, just like it does on the real deal. There’s a wealth of information on line about this board and it’s incredibly configurable. I don’t use organ presents and run the drawbars on the fly. The piano patch is gorgeous and I read somewhere that it’s sampled from a Yamaha C7. I could be biased since I have a C3 in my living room, but there are other pianos available in this keyboard. The other patches I set up on my “favorites buttons” are the Wurlitzer, Rhodes, Electric Grand and a Clav (you have to try this thing through the expression pedal!). These pretty much covers my bases in this band and sound fantastic. The USB port for the music player, downloads and updates is brilliant. I throw on a set of headphones after I put my boy to bed and practice the band material by playing along with the MP3 player. It’s handy during band practice as well, though there is no scan forward or back functions, just play, pause and song selection. The MP3 player is a bit quirky and doesn’t like some bitrates of MP3’s, but I worked around that and hope it will be addressed in a firmware update. One drawback to this keyboard is that it’s mechanically not set up to accept the CU-1 half-moon switch like the SK2 is. However, the keyboard will accept it as a control input. I plan to modify the chassis to accept the CU-1 since I’m used to the half-moon switch on my M3 and my old rig. The touch of this keyboard is just fantastic. It’s light and looks good. The sound is fantastic. I auditioned with it just three days after it arrived and the guys told me I had to join the band or they’d beat the **** out of me. That’s how much they loved what it added to their sound (southern rock, new country). I’ve had it lock up on me once during practice and needed to reset the power. I love the 73 key version. It allows comfortable piano playing, without it being so big and heavy. I’d love the SK2 so I could have piano on one tier and organ on the other, but I’m switching between alright with the favorites buttons. It’s easily transposed as well. One small annoyance is that when switching back to manual (organ/drawbars) from a piano or other favorite, the Leslie will always start from slow, even if you left manual mode with the Leslie at fast. It might be a setting, but I haven’t found it. Either way, it’s a wonderful keyboard and it a joy to play. An essential for this keyboard is the expression pedal. I couldn’t quite take the cost of Hammond’s pedal, but this will accept the Yamaha FC7 just fine and you can configure how it behaves in the menu. It’s just fantastic how adjustable this keyboard is. Another essential is the half-moon switch. When I’m playing, I don’t want to have to take my eyes off the other members to find the right button to change Leslie speed. The half-moon switch would be so much more convenient. Good luck in your decision!
Music background: Hobbyist


After using many keyboards over the years my last thought was to check out a Hammond. Im a blues and funk player. I needed a killer organ and vintage keys set. I looked at the other brand offerings and then stumbled upon Hammond. I heard the great Dr. Lonnie Smith clowning around on the brand new Hammond Sk1. I fell in love. This board has it all for me. The "meat and potatoes" package. The sounds are good out of the box, then you start tweaking them and they are fantastic. The organ is as good as you can get. Sounds just like a Hammond B3. If you are/were skeptical like I was, DONT BE. This combo organ ROCKS!!!
Music background: Session Artist

A True Hammond

I was very blown away at how great this thing sounded! The Organ section is amazing, the B3 is the most accurate clone wheel I have heard on the market. The Vox and Farfisa section is also very authentic and gives you a verity of organ sounds to chose from. The extra sounds are very good and surpassed my expectations. An excellent excellent main keyboard for any gig. The only thing i would improve is more piano sounds on the Hammond website.
Music background: Local Musician, Student

Hammond SK1-73

This is truly a Hammond. Everyone raves about the sounds which one would expect but the keyboard action itself is a Real Hammond and then some. Sit down at it and your hooked...add the sounds and effects and your good to go.
Music background: R&B

Hammond Sk1-73 superb instrument

This is an excellent instrument. Build quality is very good. User interface is very good. The most important controls are brought to the surface for a great stage experience. Waterfall keys and physical drawbars are the way to go for the Hammond Organ section. Hammond should consider bringing a volume knob out to the surface for the organ section. Hammond could also have a bit more memory for the extravoice section. Otherwise, this is an ideal instrument. The organizer of the first jam session with this instrument was delighted. Sweetwater support is always excellent. Thanks.
Music background: amateur, praise & worship
See also: Organs, Hammond, Hammond Electric Organs