KSP8 Features & Specs

All specifications subject to change without notice.

KSP8 Features

Analog Inputs

Connectors: Four 1/4" TRS balanced jacks standard, eight optional
Input Impedance: 20K ohms balanced, 10K or 20K ohms unbalanced
Maximum Input Level: +22dBu
Minimum Input Level(for 0dBFS): +4dBu
CMRR: > 60dB @<= 1kHz, > 40dB @ 1kHz - 20kHz
A/D Converter: 24-bit, 128x oversampling
Frequency Response: 20Hz - 20kHz +/- 0.15dB
Dynamic Range: > 110dB unweighted @ 1kHz
THD+N: < 0.0015% @ 1kHz, +19dBu
Crosstalk: < -100dB @ 1kHz

Analog Outputs

Connectors: Four 1/4" TRS balanced jacks standard, eight optional
Output Impedance: 100 ohms balanced, 50 ohms unbalanced
Maximum Output Level: +22dBu
Minimum Output Level(for 0dBFS): +4dBu
D/A Converter: 24-bit, 128x oversampling
Frequency Response: 20Hz - 20kHz +/- 0.15dB
Dynamic Range: > 110dB unweighted @ 1kHz
THD+N: < 0.002% @ 1kHz, +19dBu
Crosstalk: < -100dB @ 1kHz

Digital Audio I/O

Connectors: One female and one male XLR, standard
Impedance: 110 ohms (AES) or 75 ohms (SPDIF)
Formats: AES/EBU (AES3-1992) or SPDIF (IEC 60958-3)
Sample Rates / Sync:

48 or 44.1 kHz internal crystal (selectable)

syncs to AES/EBU, SPDIF, ADAT*, TDIF*, mLan*, BNC word clock*

(* requires optional I/O card)

Input Word Length: Up to 24 bits
Output Word Length: 16, 20, or 24 bits (selectable)
Dither: None, Flat, and 2 types of Shaped dither (selectable)

Factory ROM

Effect Algorithms: 249 (expandable)
Effect Presets: 636 (up to 999 user presets)
Effect Chains: 138 (up to 999 user chains)
Studios: 14 (up to 999 user studios)
Effects Algorithms: Reverbs (booths, rooms, chambers, halls, plates, stages and more), Delays, Choruses, Flangers, Phasers, Shapers, Enhancers, triggered Filters, Distortions, Tube Simulators, Compressors, Limiters, Expanders, Gates, Bit Resolution Degenerators, Aliasing, Ring Modulators, Cabinet Simulators, Spatializers, Rotary Speaker Emulations, Tremolo, Resonant Lowpass, Highpass Filters, Bandpass, Notch, Parametric, Graphic and Multi-band equalizers, Kurzweil's unique Laserverb, Pitcher and Chaos, plus others

External Data Storage

SmartMedia Drive: built in / support for cards up to 64Mb
MIDI Sys-Ex Dumps: Yes

Display and Metering

Display: 240 x 64 CCFL backlit LCD with front panel contrast
Meters: 4 point multi-stage, 8 channel metering (both graphical and numeric display options)


Ports: In/Out/Thru
Real-Time Control: Extensive realtime control/automation over nearly every effects & routing parameter
MIDI Clock Sync: Yes
Tap Tempo: Yes
Sys-Ex Dumps: Yes
Sys-Ex Control: Yes

Free OS Upgrades

via SmartMedia: Yes
via MIDI Sys-Ex Dump: Yes, via SMF

KSP8 Specifications

Height: (3.62 ") (9.20 cm)
Depth: (15.12") (38.40 cm)
Length: (17.12") (43.50 cm)
Weight: (13.23 lbs.) (6.00 kg)
Power: Universal switching, internal AC power supply



2018-06-15: RT @charlyconga: Here we go... https://t.co/KKadEKXbgh

2018-06-14: Hear All 77 Covers 'Weird Al' Played on 2018 Tour - w/ #Kurzweil artist Ruben Valtierra on the keys -… https://t.co/CfTHC3eJ25

2018-06-14: RT @albertotrullu: Some sounds inspired from old Jordan's Songs (when he used Kurzweil keyboards , especially Over the edge, maked with K2…

2018-06-13: #Kurzweil #SP6 owners - looking to integrate your SP6 and DAW? Check out the new PlugSE plug in:… https://t.co/SpyC4XlZq2

2018-06-13: New music from #Kurzweil artist Taylor Cullen @taylynncullen who always tours with her #PC3LE:… https://t.co/CQvPU8tDle

2018-06-13: RT @edrecordstudio: Today recording keyboards @edrecordstudio https://t.co/kQkI7aNeAd

2018-06-13: RT @albertotrullu: Kurzweil Duo Forte &Pc3 on live set! great gig :) @KurzweilMusic https://t.co/PUxR5UTOxh

2018-06-08: RT @Muzyk_FCM: Firma @KurzweilMusic postanowiła rozszerzyć ofertę keyboardów o dwa nowe modele – KP200 i KP70. https://t.co/gnYicuoEAR

2018-06-08: One man band? Check out the new #Kurzweil KP-70 and KP-200 Portable Arrangers! https://t.co/wf20pkkTQS… https://t.co/HHKBOXUEUT

2018-06-07: Get the brand new #Kurzweil KP-1H Half-Damper pedal, compatible with the #Forte, #ForteSE, #SP6, #Artis and… https://t.co/cweEDoFD8i

2018-06-06: RT @Muzyk_FCM: W czerwcowym @Muzyk_FCM publikujemy m. in. wywiad z @GrumpyOldRick – klawiszowcem grupy YES, relację z targów @Superbooth_Bl…

2018-06-05: Rediscover the portability and amazing power of the#Kurzweil #Forte7. All the power of the #Forte with a 76 key, fu… https://t.co/e7JZmNOsen

2018-06-01: #Kurzweil #SP6 Users - need help creating split multis? https://t.co/ZIwkXR1wrB https://t.co/1e48y5gog0

2018-06-01: Great shot of Hannah Holbrook @Hannahholbrook with SHEL @iloveshelmusic and her #Kurzweil #PC3K8 in action! https://t.co/jzL6CFm3YA

2018-05-30: Olivia Thai @OliviaThai enters the #Kurzweil Artist Lounge: https://t.co/KDNJS8frhE https://t.co/HNY4idjZWR

2018-05-30: Ready to buy your #Kurzweil keyboard or digital piano? Search for a dealer at https://t.co/VCYqGDG4Aq Also, find u… https://t.co/6idXZfdzfe

2018-05-30: RT @ardensmusic: This piano is just beautiful, both in looks and sound. I really encourage anyone who hasn't played of the @KurzweilMusic C…

2018-05-26: RT @albertotrullu: On stage kurzweil Forte e Kurzweil Pc3 @KurzweilMusic @KeyboardMag https://t.co/fEibQDjndk

2018-05-25: #Kurzweil #Forte owners, check out https://t.co/nRZ8R8HQlj latest soundset: "Keys of 70's/Solina"… https://t.co/TIGG7X9R0T

2018-05-24: Nice playing from Bruce Bears @threadbearfynn on the #Kurzweil #Forte 7 (ambient audio from a phone)… https://t.co/PiXmkh6AbS