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Casio HT-700

 

 

 

casio ht 700 synthesizer

audio demo Country: Japan
Weight: 4 Kg
Dimensions: 690 (w) X 241 (h) X 90 (d) mm
audio demo trend price : 150€
manual demo video comments

Casio HT-700 (1988)

 

Part of the HT Casio series based on digital SD spectrum Dynamic Synthesis with analog filter.

Also rebranded as Hohner Ks49 with wihite case and alternative sound set.

casio ht700 edit lfo fco
casio ht700 edit lfo fco

info KEYBOARD 49 minikeys. Main panel features an LCD display, 42 buttons, 4 sliders and a data wheel. On the left side a simple pitch bender wheel - 5 semitones range.

Back panel terminal connectors:
- RCA out
- headphones
- Midi Interface
- sustain pedal input
- card slot.

ac Power supply is external PSU 9V DC negative incenter polarity or batteries.

 

 

editTECH main CPU D78C10 manages 8 voices polyphony based on SD spectrum Dynamic Synthesis + a drum section based on PCM samples.

STRUCTURE: the 8 DCO voices are shared into 2 parts:
- 4 for main part, out of 31 waves
- 4 for accompaniment part (wave choice reduced to 16 waveforms).


casio ht700 edit lfo fco



edit
WAVES according to TableHooters, the waves are generated by a combination of 2 multipulses PCM waves. These combinated waves generate a total of 31 cycled waves with altered harmonic contents and new overtones.

DRUM WAVETABLE
the ROM also contains more commons PCM samples waveforms (x15) at low resolution: kick, snare, rimshot, hihat (x2), handclap, tom (x2), timbale (x2), bongo (x2) and agogo (x2).



casio ht700 edit lfo fco




not
INTERFACE the HT700 interface is quite simple, but lacks many real-time tweaks:
TIP: assign the jogwheel to filter cutoff for realtimel tweak.


casio-ht700




filter FILTER
paraphonic analog lowpass filter with resonance (no self-oscillation) based on NJM2069 same found on synthesizer Korg Poly 800 and sampler DSS1.


cutoff
(upper) low pass IC NJM2069




lfo LFO
a single delayed modulator (shapes: saw up, saw down, triangle, square and random ) with fixed DCO pitch destination but variable depth.
NOTE: maximum frequency is pretty slow, not to mention a lack of LFO to VCF.


LFo



adsr ENVELOPE
2 EGs:
- EG1 amplitude: 4-stages ADSR
- EG2 filter: 4-stages ADSR.



eg




lfo SEQUENCER
internal arranger with various functions like chords definition, pitch transposition, auto-accompaniment and tempo change. Each parts is assigned to a single Midi channel and transmits the relative sequence. The internal ROM contains 20 cheesy style presets: rock (x2), beat (x4), disco (x2), pops (x2), swing, slow rock, samba, bossanova, waltz, march, beguine, salsa, reggae, and kraftwerk-style electro pop.
SYNC Sequences, rhythms and accompaniment can be slaved to external Midi clock.


ht arranger


fx EFFECT chorus with 3 fixed presets values.
Some boards reported BBD Panasonic+ MN3207.




memroy MEMORY:

- 20 ROM sound
- 20 styles.
- 100 RAM patches.
Expansion CASIO RA-100 card doubles the memory (we're now out of stock!)


casio ra-100 ram card

 

 

midi MIDI basic implementation features only pitch bender control and sustain CC#.
Absolutely NO Exclusive system for edit.
TIP:Send and receive channel can be set to 1-13 (Chord = send and receive +1, Bass = send and receive +2, Rhythm = send and receive +3)

 

 

memory Ht-700 related models:

casio hz600

HZ-600 61 keys, 8 voices.first SD spectrum syntesizer released 2 years after the CZ series VIDEO

The non-programmable version is the home keyboard MT-600

casio hz-600

HT-600 -61 keys, 8 voices VIDEO
casio ht3000

HT-3000 61 keys, 8 voices, also a different version labeled HT3500.
Full-sized version of ht700 VIDEO
casio ht-6000 HT-6000 61 keys, 8 voices - top model of the series with ring modulator, 4 oscillators per voice.
True VCF for each voice VIDEO


 

effet VST PLUGIN / SAMPLED VERSION

  name price demo
EFM Oddse Plastique De la Mancha Free VST
no more Updated
video


 

demoAUDIO DEMO

demo strings
demo strings with VCF
demo square with VCF
demo TB303 wannabe
demo PCM drum kit demo
demo demo sent by Nico (thanks!)
demo If you have some interesting demos, or free samples shar'em with us! UPLOAD



video VIDEO SELECTION

Casio HT-700 Versatile casio ht700 Casio HT-700: My Patches Demo
demo1 demo2 Patches Demo


ht 700 demo


Company: Casio
Model: HT-700
Class: synthesizer
Keyboard: 49 minikeys
Dates: 1988
Price: 150€
Synthesis: SD spectral
Polyphony: 8 voices
Waves: 31
Filter: aanlog lowpass
LFO: 1
Sequencer: 20 slots

Demo: 6

 

manual
MANUAL



manual
-HT SERVICE MANUAL/ SCHEMATICS
- MORE DEMO
- FREE SAMPLE SET

 

 

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casio ht700 waveforms spectral cycled
adsr SD spectrum


original scan
adsr original brochure

 

 

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Casio HT-700 for sale

Casio HT-700 for sale
CHECK OUT EBAY OFFERS

 

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ht 700 patch demo wheel data program ht mixer
awardSPECIAL AWARD:
solid solid
HYBRID Freak CULT TOY

comment


REVIEW" a lo-fi toy with strange features :) EG and VCF are not so common - give it a try it is esoteric or consider bigger brothers like HT6000"

manual manual
- filter - LFO
- portable
- limited edit
  -rare

 

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casio ht700 4 out of 5 based on 31 ratings. price €100