SP4-8 Features & Specs

All specifications subject to change without notice.

Keyboard: 88-note hammer-weighted action with velocity sensitive adjustable keys (Fatar TP/100LR)
Display: 16 character LCD w/ front-panel contrast adjust
Polyphony: 64 Voice Polyphony, dynamically allocated
Multitimbral: 16 parts (one per MIDI channel)
Quick Split/Layer: Easy access with adjustable relative volume (up to 4 zones)
Factory Presets: 128 (taken from the acclaimed PC3 sound set, including select KB3 organs and KVA synths)
User Presets: 64
Factory MIDI Setups: 64
User MIDI Setups: 64 (with 4 programmable zones for splits and layers)
Effects: Dozens of complex effect chains taken from the PC3, with everything from concert hall reverbs to amplifier simulations and rotary effects
Controllers: Pitch wheel, modulation wheel, 1 front panel knob, 1 switch-pedal input (supports optional, dual-pedal), 1 continuous control pedal input
Analog Outputs: Two 1/4" balanced TRS analog (24-bit DACs)
Headphones: 1 rear panel 1/4" headphone output
MIDI: In, Out
USB:

Complete MIDI functionality over USB

User program/setup file transfer to/from PC/Mac

Operating System updates from PC/Mac

FREE OS Updates: OS updates over USB
FREE Sounds: The SP4 can also load programs created on our PC3 and PC3LE series keyboards (*within the limits of the SP4's DSP resources). Additional sounds are also available for download on our website (loaded over USB)
Included Accessories: Power cable, Switch pedal, USB cable, (4) self adhesive feet
Height:

(5.5") (13.97cm) - rear

(3.25") (8.26) - front

Depth: (13") (33.02cm)
Length: (55.13") (140.02cm)
Weight: (39 lb.) (17.7 kg)
Power: External 15VDC 1.0A power supply

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News

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2018-05-17: #Kurzweil #SP6 owners - Check out the new - FREE - desktop Controller software - hot off the press!… https://t.co/3NNLUfrG5A

2018-05-17: https://t.co/h8Outrtvng Jim Alfredson @b3groover working on some sounds for Echoes of Pink Floyd tribute band. Of… https://t.co/rsQb0SdWeK

2018-05-16: Via #Ksetlist we took the #laureloryanny battle into the #Kurzweil #Forte... see what we found out...… https://t.co/e5G6GJQGVt

2018-05-15: "...un nouveau tour de force" - #Kurzweil #Forte v3.00 reviewed in @Audiofanzine ... In French -… https://t.co/A2X5TaQIoZ

2018-05-11: Follow us now also on Instagram - https://t.co/EAnvzrm4do https://t.co/RHLyRDYWVJ

2018-05-11: Olivia Thai @OliviaThai live with her brand new #Kurzweil #SP6. Go and see her amazing show while she is on tour if… https://t.co/pwrmZdRab4

2018-05-11: RT @MUSICBARRETO1: @KurzweilMusic @joetorresABC7 Join Living Music Legend JOE QUIJANO at his upcoming scheduled performance Wednesday, June…

2018-05-10: #TBT - so ahead of its time - https://t.co/dgfSQE6tL9

2018-05-08: #Kurzweil artist Skylar Thomas @SkylarThomas with her brand new #Forte 7. https://t.co/dAfWe9mZMs https://t.co/NlYeuTl76Y

2018-05-07: If you missed the great performance of Andrew Lloyd Webber's JCS #JesusChristSuperstar @JCSTheMusical at NBC last… https://t.co/0SPO9D4BoH

2018-05-07: RT @uptone_pl: Podczas #Musikmesse2018 na stoisku marki @KurzweilMusic mieliśmy okazję porozmawiać o nowych klawiszach #SP1 i #SP6 Całe vid…

2018-05-04: Be sure to check out The Cyberiam (@TheCyberiam), featuring #Kurzweil artist Frank Lucas on keys!… https://t.co/m51kNH7Dty

2018-05-03: #Kurzweil is at #SUPERBOOTH18 Berlin, courtesy of the Kurzweil distributor @SoundService_eu from May 3 till May 5.… https://t.co/fhhCfMX4pn

2018-05-01: Bleep Yeah! Come see #Kurzweil at the The Brooklyn #SynthExpo. It's back bigger and better than ever! JUNE 9-10!… https://t.co/7qrBBuISOq

2018-04-30: #Foreigner live @ForeignerMusic with Mick Jones playing a #Kurzweil #PC3K - https://t.co/5H96QOfkvU

2018-04-30: RT @OliviaThai: 🔴 I AM A @kurzweilmusic ARTIST! 🎹 Check out the awesome SP6 keyboard 😍 #eggdrp #music #talk #teach #inspire https://t.co/jk…

2018-04-27: #PianoManChuck going through the #Kurzweil #SP6 Program Demos. https://t.co/a0h5qjjyFF More SP6 info and demos here https://t.co/6zww01l67T

2018-04-27: RT @thepaullangley: A #synth a day... @KurzweilMusic the classic and underrated K2600 #electronicmusic #edm #synthesizer https://t.co/gTndw…

2018-04-26: Check out this #Kurzweil #SP6 demo with Christian Martirano courtesy of Sweetwater Sound @SweetwaterSound:… https://t.co/9V7IAqjt3B

2018-04-25: #Kurzweil artist Skylar Thomas @SkylarThomas rocking her #PC3K https://t.co/lpvaV1wqUM https://t.co/NlYeuTl76Y