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



2018-09-25: RT @OliviaThai: #garyvee, I started college when I was 13, but I dropped out to pursue my music career. I still have family members that…

2018-09-24: RT @jhilboldt: Love it when the back line gets my Kurzweil PC 3x right! @KurzweilMusic @ArtistRelations https://t.co/AfLDQf2ccP

2018-09-19: Weird Al Yankovic (@alyankovic) receiving his star on the Hollywood Walk of Fame - accompanied by bandmates includi… https://t.co/nezW9ztxOw

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2018-09-17: RT @ArtistRelations: Follow @audrey.bussanich On Instagram- Leaning some new tunes. Ya definitely learn a lot by recording yourself and lis…

2018-09-14: RT @lucadigennaro: My favorite part of "Newton's Law" from our fourth album BABEL. Will it be in the #VeryProgFestival 2018 @soulsecretband…

2018-09-13: #TBT May 4th 1985 - https://t.co/YHt0P7hgYW

2018-09-12: #Kurzweil #SP6. Experience more FX in your performance multis and external sequencing! Tweak away with dedicated k… https://t.co/o6wKn9gX6T

2018-09-06: RT @EuroUnitHR: Meet new @KurzweilMusic #stagepiano SP1 https://t.co/W8iuBcuoJB #kurzweil #piano #pianostore #musicstore #webshop #music #b…

2018-09-04: Demonstration of the #Kurzweil #Forte for our Russian speaking friends Glinki https://t.co/wOmxL3SPsz Learn more ab… https://t.co/f2nKeYNxQY

2018-09-04: RT @Muzyk_FCM: Firma @KurzweilMusic rozszerzyła ofertę przenośnych pianin cyfrowych o dwa nowe modele – KA-120 i KA-70. #kurzweil #piano #d…

2018-09-04: RT @edrecordstudio: Today recording electric piano @KurzweilMusic @edrecordstudio https://t.co/ucXI3hkKtT

2018-08-30: #Kurzweil #Artis, #ArtisSE, #Forte, #ForteSE, #PC3, #PC3A, #PC3K and #SP6 owners - have an iPad? All iPad editors… https://t.co/bahTV27zEQ

2018-08-28: Enzo Messina playing with his #Kurzweil #Forte... while he speaks Italian, there is plenty of music to listen to in… https://t.co/2w2pniNdA9

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2018-08-13: RT @edrecordstudio: Today recording: Nicola Gelo (composer) & Roberto Corlianò (pianist) @edrecordstudio https://t.co/Flf8jF28pi

2018-08-09: #Kurzweil #SP6 users - learn to select programs remotely via MIDI: https://t.co/6EsTuCKbDA https://t.co/FesRA2ghUB

2018-08-09: RT @MusicInsNews: Distributor @soundtechnology says that following the success of the @KurzweilMusic SP6 Stage Piano, the SP1, now shipping…

2018-08-06: RT @EuroUnitHR: From our @KurzweilMusic #offer here is SP6 #stagepiano --> https://t.co/J0eYYJLKQy 34th Annual #TEC Award nominee for music…