Synths ⇝ Kurzweil ⇝ Kurzweil K250

The K250 is a synthesizer and early 16-bit sampler workstation. It can record at sample rates from 5 kHz (100 seconds) to 50 kHz (10 seconds). It has a 12-track sequencer and is one of the first synthesizers based on samples in wave ROM.

It was developed as a collaboration between Ray Kurzweil and Stevie Wonder.

Specifications

Year Released: 1984

Keyboard: 88 keys with velocity

Polyphony: 12 notes

User Patches: 341

ROM: 96 instruments

Sequencer Memory: 12,000 notes

Weight: 95 lbs.

User Demo Videos

Rating

File Downloads

Kurzweil K250 Service Manual

Items for Sale on Reverb

Kurzweil Vintage Synth K250 ($975)

Kurzweil K250 1980s - Key Contact / Trigger circuit boards ($95.75)

Kurzweil K250 1980's - Black ($650)

Kurzweil - K250, K250 RMX - Slide potentiometer ($16.99)

Kurzweil K250 RMX Led Conversion Kit 2025 ($30)

Kurzweil 250 (K250) workstation sampler vintage keyboard ($421.05)

Custom padded cover for Kurzwell K2500 / K2500S 76-Key Keyboard ($54.78)

Kurzweil 250 RMX Black K250 Rackmount ($1,199)

Kurzweil K2500XS Synthesizer/Workstation Late 1990’s - Black ($1,000)

Kurzweil K2500 1996 - Matt Black ($1,816.95)

Kurzweil K2500X 88-Key Digital Workstation Synthesizer 1990s - Black ($1,800)

Kurzweil K2500R Digital Synthesizer Rack ! ($600)

Kurzweil K2500S 76 Key Synthesizer with Hard Drive Emulator and (3) CD's ($899)

Kurzweil K2500R Rackmount Digital Workstation Sound Module 1990s - Black ($1,201.80)

Kurzweil K2500 AES Audio Elite System Keyboard Synthesizer w/Road Case - RARE! 6 ($2,449)

Kurzweil K2500X 88-Key Digital Workstation Synthesizer 1990s - Black ($1,082.71)

Kurzweil K2500RS Rackmount Digital Sampling Sound Module 1990s - Black ($769.30)

Kurzweil K2500X 88-Key Digital Workstation Synthesizer 1990s - Black ($700)

Kurzweil K2500X 88-Key Digital Workstation / Synthesizer (1997), serviced, with pro case ($1,397.33)

KB3 Mode sticker for Kurzweil K2500 Series ($15)

Kurzweil K2500/K2500X Original Digital I/O Jack Board. Works Great !... ($49)

Kurzweil K2500/K2500X Original Samsung LCD Display with a Glass Assembly. Works Great !... ($99)

Kurzweil K2500/K2500X Original Panel-Switch Board. Works Great !... ($49)

Pitch bend/mod wheel assembly for Kurzweil K2500/K2600 (for international shipments contact me) ($64.96)

Kurzweil K2500XS - Front panel chassis (for international shipments contact me) ($108.27)

Kurzweil K2500 - Audio scanner board (for international shipments contact me) ($144.36)

Kurzweil K2500 - Display (not for K2600 series) - (for international shipments contact me) ($120.30)

KURZWEIL 88-Key K2500X, K2600X Original 39-Note Keyboard Key Contact Board ($34)

Kurzweil K2500/K2500X Original Volume-Slider Board Assembly. Works Great !... ($69)

Kurzweil K2500 Series Reference Guide [USED] ($69.99)

Kurzweil K2500/K2500X Original Audio I/O-Jack Board. Works Great !... ($49)

Kurzweil - K2500, K2500X - Rotary Potentiometer 10kb LCD Contrast ($12.90)

Kurzweil K2500 K2600 Pitch Bend & Modulation Wheel Assembly ($39)

Kurzweil K2500 - Ribbon cable for Keybed (for international shipments contact me) ($30.08)

KURZWEIL 76-Key K2500 K2600 PC2 Original 44-Note Keyboard Key Contact Board ($49)

Kurzweil K2500 / K2600 - Switch board (for international shipments contact me) ($45.71)

Kurzweil K2500 - Backlight power board (for international shipments contact me) ($66.17)

Kurzweil K2500 K2600 Synthesizer Slider Knob. Works Great ! ($9.99)

Kurzweil K2500X AES Audio Elite System - RARE & LOADED With Extras ($2,200)

Kurzweil K2500 K2600 Synthesizer Power Inlet Module Assembly. Works Great ! ($49)

Pitch bend panel with ribbon controller for Kurzweil K2500/K2600 (for international shipments contact me) ($42.11)

Kurzweil K2500/K2600 - First Floppy drive (for international shipments contact me) ($30.08)

Kurzweil K2500/K2500X Original Audio-Scanner Board. Works Great !... ($179)

Kurzweil K2500/K2600 - Complete Slider knob set (8 pieces) - (for international shipments contact me) ($60.15)

Kurzweil K2500 Synthesizer Original US Power Transformer. Works Great !... ($49)

Player control board for Kurzweil K2500/K2600 (for international shipments contact me) ($42.11)

Kurzweil k2500_K2600- Power inlet module - Power entry module 5EFM4S 250VAC 5A (for international shipments contact me) ($54.14)

Kurzweil K2500/K2600 - Second Floppy drive (for international shipments contact me) ($30.08)

Kurzweil K2500 - Audio I/O board (for international shipments contact me) ($60.15)

Kurzweil K2500 Series Operating System Floppy Disk 1996 ($15)