Rack Digital Polyphonic Synthesizer Rack Sampler Sampler Synthesizer

Kurzweil K2500RS

Rackmount digital synthesizer / sampler

The rack version of the classic Kurzweil K2500 digital synthesizer / sampler

Kurzweil K2500RS audio demos

Year of release:	1996
Polyphony:	48 voices
Sound generation method:	PCM
ROM	8 Megabytes of 16-bit sample ROM, including acoustic instrumental sounds, waveforms, and noise
Preset memories	199 factory preset programs, and 100 factory preset setups
Display	240 x 64-pixel backlit fluorescent graphic display with adjustable contrast (backlit blue)
MIDI:	in, out, thru
Sound expansion capabilities:	Diskette, Hard Disk, CD-ROM
Sequencer	yes
Arpeggiator	no
Effects	yes
Velocity	yes
Aftertouch	yes
Accessories	Sampler board, disks, SIMMS, output board
Dimensions	16.9 in.* 43 cm. width 13.9 in. 35.4 cm. depth 5.1 in. 13 cm. height
Weight	24.65 lb. 11.2 kg.

Year of release:	1994
Polyphony:	64 voices
Sound generation method:	PCM
Preset memories	5×128 User, 3×32 Performance, 5×2 Rhythm Set
Display	40 characters, 2 lines LCD (backlit blue)
MIDI:	in, out, thru
Sound expansion capabilities:	DATA Card (PN-JV80 series, M-256E/512E) PCM Card (SO-PCM 1 series) Expansion Board (SR-JV80 series)
Sequencer	no
Arpeggiator	no
Effects	EFX: 40 types Chorus: 1 type Reverb: 1 type
Velocity	yes
Aftertouch	yes
Accessories	Owner’s Manual AC cord
Dimensions	482(W) x 281(D) x 88(H) mm 18-15/16″ (W) x 11-1/16″ (D) x 3-1/2″ (H) inches (EIA -2U rack mount type)
Weight	5.0kg / 11 lbs 1 oz

Year of release	2007
Built-in Effects	Phaser (various modes)
Display	No
Number of programs	N/A
Controls	knobs, switches
Dimensions	7.25 x 3.2 x 6.2 inches
Weight	1.2 pounds

Year of release	2000
Controls	knobs
Usage	Guitar and/or Bass
Modes	Five modes—UP, DOWN, SHARP, HUMANIZER, and TEMPO
Battery life	Carbon: 2 hours Alkaline: 10 hours
Power supply	DC 9 V; Dry battery 6F22 (9 V) type (carbon)/Dry battery 6LR61 (9 V) type (alkaline) AC Adaptor (PSA-series: optional)
Accessories	Owner’s Manual, Leaflet (“USING THE UNIT SAFELY,” “IMPORTANT NOTES,” and “Information”), Dry battery/9 V type (6F22)
Options	AC Adaptor (PSA-series) Expression pedal: Roland EV-5, BOSS FV-500H, FV-500L, BOSS EV-30 Footswitch (momentary-type): BOSS FS-5U, FS-7
Dimensions	73 (W) x 129 (D) x 59 (H) mm 2-7/8 (W) x 5-1/8 (D) x 2-3/8 (H) inches
Weight	420 g /15 oz (including Battery)

Year of release	1988
Frequency response	16Hz to 20KHz
Effects	Up to 4 simultaneous effects
Sound generation method	digital
MIDI	in, thru/out
Number of programs	100
Effects	Reverb, Delay, Pitch Shift, Chorus, Flanger, Detune, Phase Shifter, Digital EQ
Controls	buttons
Outputs	stereo input & output 1/4″ pairs
Display	LCD backlit orange

Year of release	1981
Sound generation method	analog
Number of keys	61 keys (5 octaves)
Polyphony	8-note
Preset Sounds	20 (Pipe Organ, Briliant Organ, Diapason, Wood Wind, Tibia, Full Tibias, Flute, Piccolo, Jazz Organ 1, Jazz Organ 2, Piano, Electric Piano, Vibraphone, Marimba, Celesta, Chime, Oboe, Bassoon, Funky and Wah Brass)
Sound Effects	Sustain, Vibrato (4 types) and 2 types of Electronic Sound Effects
Built-in rhythms	16 (Rock, Rock’n’Roll, Disco, Slow Rock, Swing 1, Swing 2, Bossa Nova, Samba, March, Boogie, Waltz, Jazz Waltz, Rhumba, Beguine, Tango and Mambo, with Start/Stop, Synchro Start, Tempo Control, Balance Control, Tempo Indicator and 10 kind of “FILL-INs”
Auto-accompaniment	Casio Chord switch (fingered/on), Accompaniment variation selectors (bass & chord), Accompaniment volume
Responds to velocity	no
Aftertouch	no
Display	yes
MIDI	no
Sound expansion capabilities	no
Sequencer	no
Arpeggiator	yes
Memory Play Functions	Manual and MS memories (storing methods) Note storage capacity: Max 345 steps Chord storage capacity: Max 201 steps
Controls	buttons, sliders
Accessories	AC power cord, score holder, MS-1, Lesson Booklet, 3 AA size manganese dry batteries (loaded at the factory), polish cloth and dust cover.
Built-in speaker	10 cm (4″) dia. x 1
Outputs	Output impedance: 5.0kOhm Output voltage: High/2.1 V max; Low/0.2V max
Power consumption	29 W
Dimensions	127.5mm H x 958mm W x 341.5mm D (5″H x 37-3/4″W x 13-7/16″ D) including projections
Weight	12.5 kgs (27.6 lbs)

Year of release:	2019
Sound generation method:	Virtual Analog
Keyboard	49 keys
Patches	Five banks of 128 patches each
Combinations	384
Polyphony:	8 voice
Responds to velocity:	yes
Aftertouch	poly aftertouch
MIDI:	in, out, thru
Connections	Audio, CV, Gate
Arpeggiator	yes
Sequencer:	no
Effects:	yes
Controls:	rotary knobs, buttons, wheels, ribbon
Options	pedals, footswitches
Dimensions:	80 x 35 x 10.3 cm (31.5 x 13.78 x 4.05 inches)
Weight:	10kg (22.05 lbs)

Year of release:	2007
Sound generation method:	64MB PCM (Hi – Hyper Integrated) Synthesis System
Keyboard	25 keys
Programs	640
Combinations	384
Polyphony:	62 (single mode), 31 (double mode)
Responds to velocity:	yes
Aftertouch	transmits
MIDI:	in, out
Accessories	AC adapter, Operation guide, CD-ROM (microX Editor/Plug-In Editor, KORG USB-MIDI driver, Parameter guide, External Control Template)
Arpeggiator	yes, double polyphonic
Sequencer:	no
Effects:	yes
Controls:	rotary knobs
Options	pedals, footswitches
Dimensions:	606 × 226 × 80 (mm)
Weight:	2.4 kg

Year of release	1981
Sound generation method	analog
Number of keys	32 (F to C low-note priority)
Polyphony	Monophonic
Responds to velocity	no
Aftertouch	no
Display	no
MIDI	no
Sound expansion capabilities	no
Sequencer	no
Arpeggiator	no
Oscillators	Two
Controls	Knobs, switches
Speakers	no
Effects	Portamento, Sample & Hold
Power	24V AC External Power Supply
Dimensions	21″ wide, 12-1/4″ deep, 5-1/4″ high (53.3cm wide, 31.1cm deep, 15.3cm high)
Weight	16.5 pounds (7.5Kg)

Kurzweil K2500RS audio demos

Kurzweil K2500RS photos

Kurzweil K2500RS manuals

Kurzweil K2500RS specs

Kurzweil K2500RS links