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Sequential/ DSI 2700 OB 6 Keyboard

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Sequential/ DSI 2700 OB 6 Keyboard

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CHF 3’229.00 inkl. MwSt.
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Produkt Details

Beschreibung

Two Legends. One Instrument

The OB-6® is a once-in-a-lifetime collaboration between the two most influential designers in poly synth history, Dave Smith and Tom Oberheim. The OB-6 takes the classic bold Tom Oberheim sound — with its true voltage-controlled oscillators, 2-pole filter, and amplifiers — and adds modern enhancements such as studio-quality effects, a polyphonic step sequencer, an arpeggiator, and more. No other modern analog poly synth can boast such a pedigree or such a massive, in-your-face sonic signature.

 

Vintage SEM Tone

The OB-6 sound engine is inspired by Tom’s original SEM, the core of his acclaimed 4-voice and 8- voice synthesizers. It features two discrete voltage-controlled oscillators (plus sub-oscillator) per voice with continuously variable waveshapes (sawtooth and variable-width pulse, plus a triangle wave on oscillator 2). The classic Oberheim-inspired 2-pole, state-variable, resonant filter provides low-pass, high-pass, band-pass, and notch functionality. Voltage-controlled amplifiers complete the all-analog signal path.

 

Dual Effects

The dual effects section provides studio-quality reverbs, delays (standard and BBD), chorus, flangers, and faithful recreations of Tom’s original phase shifter and ring modulator. While the effects themselves are digital, with 24-bit, 48 kHz resolution, a true bypass maintains a full analog signal path.

 

X-Mod and Poly Step Sequencing

Also present is X-Mod, which expands the tonal palette and makes it easy to create dramatic and unconventional sounds. Modulation sources are filter envelope and oscillator 2, both with bi-polar control. Destinations include oscillator 1 frequency, oscillator 1 shape, oscillator 1 pulse width, filter cutoff, and filter mode. The polyphonic step sequencer allows up to 64 steps and up to 6 notes per step. You can create sequences polyphonically, with rests, and sync to an external MIDI clock. The full-featured arpeggiator can be synced to external MIDI clock as well. Unison mode features configurable voice count (1-6 voices), chord memory, and key modes.

 

Easy to Program

The knob-per-function front panel puts virtually all OB-6 functions at your fingertips. Included are 500 permanent factory programs and 500 rewritable user programs. Turning on the Manual button enables live panel mode, in which the sound of the OB-6 switches to its current front panel settings. In this state, what you see is what you hear.

 

Easy to Play

This analog powerhouse is packed into a four-octave, semi-weighted keyboard with velocity and channel aftertouch, making it perfect for stage or studio.

 

 

OSCILLATORS

Two discrete VCOs per voice

Continuously variable wave shape (sawtooth and variable-width pulse, plus triangle on oscillator 2) per oscillator

Pulse width per oscillator

Hard sync: oscillator 1 syncs to oscillator 2

Square wave sub-octave generator (oscillator 1) per voice

Low frequency mode (oscillator 2)

Keyboard tracking on/off (oscillator 2)

Oscillator detune amount for increased tuning instability, from subtle to extreme

 

MIXER

Oscillator 1 amount

Oscillator 1 sub-octave amount

Oscillator 2 amount

White noise amount

 

STATE-VARIABLE FILTER

Two-pole, resonant, filter per voice with low-pass, high-pass, band-pass, and notch functionality inspired by the original Oberheim SEM filter

Bi-polar filter envelope amount

Velocity modulation of envelope amount

Keyboard tracking: off, half, full

 

FILTER ENVELOPE

Four-stage (ADSR) envelope generator

Velocity modulation of envelope amount

 

AMPLIFIER ENVELOPE

Four-stage (ADSR) envelope generator

Velocity modulation of envelope amount

 

LOW FREQUENCY OSCILLATOR

Five wave shapes: sine, sawtooth, reverse sawtooth, square, and random (sample and hold)

Clock sync (internal or external MIDI clock)

Initial amount

Mod destinations: oscillator 1 frequency, oscillator 2 frequency, oscillator 1 and 2 pulse width, filter cutoff, filter mode, amp

 

X-MOD

Sources: filter envelope (bi-polar) and oscillator 2 (bi-polar)

Destinations: oscillator 1 frequency, oscillator 1 shape, oscillator 1 pulse width, filter cutoff, filter mode, normal to bandpass filter

 

AFTERTOUCH

Source: channel (mono) aftertouch with bi-polar amount

Destinations: oscillator 1 frequency, oscillator 2 frequency, LFO amount, amplifier envelope amount, filter envelope amount, filter mode

 

CLOCK

Master clock with tap tempo

BPM control and display

MIDI clock sync

 

ARPEGGIATOR

Selectable note value: 16th note, 8th note triplet, 8th note, dotted 8th note, quarter note

One, two, or three octave range

Up, down, up/down, random, and assign modes

 

SEQUENCER

Polyphonic step sequencer with up to 64 steps and rests

 

EFFECTS

Stereo analog distortion

Dual, 24-bit, 48 kHz digital effects, including: reverb (room, hall, plate, spring), delay (full bandwidth digital delay and emulated bucket brigade), chorus, flanger, phase shifters, and ring modulator

Delay sync

True bypass maintains fully analog signal path when digital effects are off

 

PERFORMANCE CONTROLS

Full-sized, semi-weighted, 4-octave keyboard with velocity and aftertouch

Backlit pitch and mod wheels

Spring-loaded pitch wheel with selectable range per program (1 to 12 semitones up and down)

Transpose controls for an 8-octave range

Hold switch latches held notes on

Polyphonic portamento

Unison (monophonic) mode with configurable voice count, from one to all six voices, chord memory, and key modes

Manual switch: when on, the front panel is live; what you see is what you hear

 

PATCH MEMORY

500 user and 500 factory programs in 10 banks of 100 programs each

Direct program access, including single-button access to the current set of 10 programs

 

IN/OUT

Left/mono and right audio outputs (2 x 1/4” phone jack)

Headphone output (stereo, 1/4” phone jack)

MIDI in, out, and thru ports

USB for bidirectional MIDI communication

Filter cutoff expression pedal input

Volume expression pedal input

Sustain footswitch input

Sequencer start/stop footswitch input

 

POWER

IEC AC power inlet for internal power supply

Operates worldwide on voltages between 100 and 240 volts at 50 to 60 Hz; 30 watts maximum power consumption

 

PHYSICAL SPECS

31.8” L x 12.7” W x 4.6″ H (80.7 cm x 32.3 cm x 11.7 cm)

20 lbs (9.5 kg)

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