SPS4-8 Features & Specs

All specifications subject to change without notice.

Keyboard: 88-note, graded-hammer action (LK40GH)
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 ribbon, modulation slider, 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)
Analog Inputs: Two 1/4" balanced TRS inputs; mix into speaker system
Sound System:

Stereo 19W/channel @ <1% THD+N; 48W maximum total power

Two 4 x 6" woofers (in ported enclosure)

Two 1” neodynium magnet dome tweeters

Headphones: 2 front-mounted 1/4" outputs
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: (4.5") (11.43cm)
Depth: (14.5") (36.83cm)
Length: (51.75") (131.45)
Weight: (41 lb.) (18.6 kg)
Power: 90-250V free voltage external power supply (19VDC, 3.42A)

Spotlight Features

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News

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2014-09-15: Bob Malone performs "Chinese Algebra" on the #Kurzweil #Forte: http://t.co/vUZx8VoAay

2014-09-15: RT @pianomalone: At @KurzweilMusic in Boston today shooting demo video for their new keyboard. #kurzweil #bobmalone #piano #forte http://t.…

2014-09-10: Bob Malone w/ #Kurzweil #K2661 on stage with #JohnFogerty! Stayed tuned for videos of Bob's visit to R&D this summer! http://t.co/k7S9RwrlNT

2014-09-05: Think of a real piano... now play it - #Kurzweil #Forte http://t.co/bPLTQyDkUV

2014-09-04: Join the #Kurzweil #Forte Beta Program! - contact: forte_beta@ycrdi.com (must own a Forte to participate)

2014-08-28: #Kurzweil #FORTE Update V1.11 Released! http://t.co/HJLtN3UBqg

2014-08-26: #Kurzweil #Forte Stage Piano - Demonstration Video by Christian Pearl: http://t.co/EY98rl6Mun

2014-08-25: #kurzweil Music Systems 4 yr #Twitterversary!

2014-08-20: Compare Rhodes vs #Kurzweil #Forte : http://t.co/blp6faiBQF

2014-08-15: #Kurzweil #SP4 Series - Selecting Setups via MIDI: http://t.co/tPUxGxvdJW

2014-08-15: #Kurzweil #Artis - Select Programs via MIDI: http://t.co/abjZI7vQlr

2014-08-15: RT @BacklineSupport: @KurzweilMusic #kurzweil-Pc3k8 #kurweil-Pc361 @RioRomamx @daniperripiano en #FeriaDeReyesApaseoElAlto2014 http://t.co/…

2014-08-14: #Kurzweil #SP4 Series - Advance Through Your Setups with a Foot-Switch Pedal: http://t.co/5tjeJTtBhy

2014-08-14: #Kurzweil #SP4 Series - Control Setup Zone Mutes with a Foot-Switch Pedal: http://t.co/tdK5QyPk3r

2014-08-13: #Kurzweil #SP4 - Using a Foot-Switch Pedal to Advance Programs in a Setup http://t.co/6KnGRr8gkV

2014-08-08: #Kurzweil #Forte Stage Piano Demo @Kraft Music - YouTube http://t.co/oM6bHrzUKr

2014-08-07: RT @CodyGarrett: Setting up my awesome new keyboard - the Kurzweil Artis!! @KurzweilMusic @ArtistRelations @DaddarioandCo @FrozenApe http:/…

2014-08-01: Check out MegaPreset's 3rd party PC3K sounds here: http://t.co/jYF9yqFOaB

2014-07-16: Check out Hannah Holbrook (#SHEL) performing "When the Sky Fell" on the #Kurzweil #Forte - awesome! http://t.co/kp8nrnBFBY

2014-07-02: RT @Hannahholbrook: Here's a video from my last visit to Kurzweil Music Systems! I'm in love with their new 88 Key Stage Piano - The... htt…