V.A.I. 73 : Antonelli Syntorgan 2445 / FBT R-21 Leslie Simulator

video upload by Vintage Audio Institute Italia

"Antonelli Syntorgan 2445.
Lovely and quirky machine with a mono synth and high / low pass filter controls.
It came with legs, preset overlays for a handful of sounds, and a songbook.
There’s a very simple drum machine and auto bass/chords on board as well.
The Antonelli Syntorgan 2445 is actually fun to play and compose with, the two filter types really save this toy keyboard and elevates it beyond Bontempi standards.
Marketed for beginners and kids, it was apparently manufactured by Siel - it’s basically a slimmed down and tinny sounding Siel Cruise : a mono section and a poly section.
On the Syntorgan you can route the poly section through the mono filter, plus it has a kind of hidden two octave bass preset, a drum machine and auto-bass and auto-chord section too.
We used some external effects, this machine really needs it :
the Tekson Fading pedal for phasing the drums, then an odd and crazy rare FBT Dual Channel Equalizer rack-unit for some color, and a Montarbo Analog Delay (actually digital) with a broken chip that somehow distorts things wonderfully.
On some sounds we also pulled out our FBT R-21 Leslie simulator, an optical rack device based around a spinning disc, it looks almost like a tape echo.

Antonelli Syntorgan Specs:
Separate and combinable Poly and mono sections
High and low pass filters
Drum machine with presets
Bass preset sound
Auto bass and chord section
One finger mode."

See the Antonelli and FBT below for more.

V.A.I. 71 : Antonelli Syntorgan 2445

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"Antonelli Syntorgan 2445.
Lovely and quirky machine with a mono synth and high / low pass filter controls.
It came with legs, preset overlays for a handful of sounds, and a songbook.
There’s a very simple drum machine and auto bass/chords on board as well.
The Antonelli Syntorgan 2445 is actually fun to play and compose with, the two filter types really save this toy keyboard and elevates it beyond Bontempi standards.
Marketed for beginners and kids, it was apparently manufactured by Siel - it’s basically a slimmed down and tinny sounding Siel Cruise : a mono section and a poly section.
On the Syntorgan you can route the poly section through the mono filter, plus it has a kind of hidden two octave bass preset, a drum machine and auto-bass and auto-chord section too.
We used some external effects, this machine really needs it :
the Tekson Fading pedal for phasing the drums, then an odd and crazy rare FBT Dual Channel Equalizer rack-unit for some color, and a Montarbo Analog Delay (actually digital) with a broken chip that somehow distorts things wonderfully. On some sounds we also pulled out our FBT R-21 Leslie simulator, an optical rack device based around a spinning disc, it looks almost like a tape echo.
Antonelli Syntorgan Specs:
Separate and combinable Poly and mono sections
High and low pass filters
Drum machine with presets
Bass preset sound
Auto bass and chord section
One finger mode."

See the Antonelli label directly below for more.

V.A.I. 70 : Antonelli Syntorgan 2445

video upload by Vintage Audio Institute Italia

You can find additional posts featuring the Antonelli Syntorgan 2445 here.

"Antonelli Syntorgan 2445.
Lovely and quirky machine with a mono synth and high / low pass filter controls.
It came with legs, preset overlays for a handful of sounds, and a songbook.
There’s a very simple drum machine and auto bass/chords on board as well.
The Antonelli Syntorgan 2445 is actually fun to play and compose with, the two filter types really save this toy keyboard and elevates it beyond Bontempi standards.
Marketed for beginners and kids, it was apparently manufactured by Siel - it’s basically a slimmed down and tinny sounding Siel Cruise : a mono section and a poly section.
On the Syntorgan you can route the poly section through the mono filter, plus it has a kind of hidden two octave bass preset, a drum machine and auto-bass and auto-chord section too.
We used some external effects, this machine really needs it :
the Tekson Fading pedal for phasing the drums, then an odd and crazy rare FBT Dual Channel Equalizer rack-unit for some color, and a Montarbo Analog Delay (actually digital) with a broken chip that somehow distorts things wonderfully. On some sounds we also pulled out our FBT R-21 Leslie simulator, an optical rack device based around a spinning disc, it looks almost like a tape echo.

Antonelli Syntorgan Specs:
Separate and combinable Poly and mono sections
High and low pass filters
Drum machine with presets
Bass preset sound
Auto bass and chord section
One finger mode."

ANTONELLI ' S " SYNTORGAN 2445 " ( Build by SIEL ). Démo. To sell on Reverb.com

Note: Auction links are affiliate links for which the site may be compensated.
video by Relax Max

You can find an additional demo of one posted here.

via this auction

"ANTONELLI 2445 / SIEL 2445

Attack / Decay / Release
Low Pass Filter
Band Pass Filter
Cut Off
LFO
VCA
VCF
Vibrato
Hold fonction
2 sections Mono et Poly
3 volumes knobs
Tempo setting knob
Memorize/ Hold your Own Chord
Vintage Simple Rythmic Section
3 Octaves Keyboard
Very Strong Metal Construction

This synth has not been used much : Rare Perfect Condition for this 40 years Rare Analog Synth. In Fact it was produced to order at SIEL ....

Antonelli has produced 2 synthesizers which each have a personality and a particular sound.
2445 which with its filters and its vibrato creates creamy waves chords at will ,
Solista IV which brings its big bass vibrations with its bass boost and some layers of
psychedelic sounds with its flanger and its vibrato.
They link very well, I often associated them with delays effects and loops."

Antonelli Syntorgan 2445

Note: Auction links are affiliate links for which the site may be compensated.
StudioSoba

via this auction

See the Antonelli label at the bottom of this post for more.

"This was the top of the line model of keyboard synth organs that company made in 80s with polyphonic organ and monophonic synthesizer voice with 2 octave settings and switches for envelope, LFO, vibrato, hold VCF, VAC/ VCF, low pass, band pass, loud- soft and a "cut off" knob - the synth voice can be layered and modulated with the polyphonic organ voice. Rhythm machine presets with tempo and automatic accompaniment, chord memory, single finger chord ("O.F.C.") and minor & 7th pushbuttons. 8 semi- OBS preset rhythms {tango, boogie, disco, samba | waltz, march, slow, bossa}, separate bass + chord volume knob), 44 keys, headphones and line output."

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