RolandJD-XA Hybrid Keyboard Synthesizer
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Roland JD-XA
Roland’s JD-XA is the perfect combination of digital precision and expansiveness with 100% analog voices. The synthesizer is comprised of two different parts: the first is a four-part all-analog section featuring 2 oscillators per part (for a total of 8 oscillators), a filter, amplifier sections, four envelope sections, and two LFOs. This is a great place to begin creating sounds which can then be sent to a dry analog output, or to the synthesizer’s onboard digital effects section. These effects range from traditional ones like Reverb, Delay, and EQ, to more esoteric processing techniques like Bitcrushing.
The unit features a microphone input through which a connected mic can serve as an expressive modulation source to control parameters like filter cutoff and cross-modulation. Additionally, the JD-XA features a built-in USB interface for seamless DAW integration and a CV/Gate interface for interaction with modular gear. All of this make the JD-XA a powerful, highly capable synthesizer that is a perfect addition to the studio or stage.
JD-XA Features
- Advanced synthesizer with independent analog and digital sound engines
- Discrete analog synth engine (four parts) with 2 x OSC, Filter, Amp, 4 x Env (2 x Pitch, Filter, Amp), and 2 x LFO per voice plus Analog Dry Out for raw signal output
- Analog filter section features 4-Pole, transistor-ladder, and multi-mode (LPF/HPF/BPF) filters with supremely smooth, natural response to knob movements
- OSC section includes Cross Mod, Ring Mod, and OSC Sync, all of which can be used simultaneously
- LFO rate covers a wide range from ultra-slow to ultra-fast
- Incredibly fast attack envelope time
- Separate digital section built around SuperNATURAL synth engine (four parts, 64 voices) that’s compatible with INTEGRA-7 sound libraries from Roland’s online Axial sound portal
- Digital parts can be routed through the analog filter section for warm, organic results
- Comprehensive effects with MFX for all parts plus five system effects (Reverb, TFX1, TFX2, Delay, and Master EQ)
- Flexible routing options for highly creative sound design
- Intuitive 16-track pattern sequencer (8 tracks for internal parts, 8 tracks for external parts) for fast creation of songs and loops
- Onboard USB, MIDI, and CV/GATE interfaces plus flexible MIDI control functionality make the JD-XA the ideal centerpiece for live performance and music production
- Mic input allows you to modulate synth sounds with your voice and explore classic Vocoder functionality
- Plenty of backlit knobs, sliders, and controllers for hands-on sound shaping
Keyboard
- Keyboard: 49 keys (with velocity and channel aftertouch)
- Maximum Polyphony (Analog): 4 voices
- Maximum Polyphony (Digital): 64 voices (varies according to the sound generator load)
Structure
- Analog/Digital Crossover Synthesizer
- Analog Part: 4 parts (2 OSCs + AUX, 1 Filter, 1 AMP, 2 Pitch ENV, 1 Filter ENV, 1 AMP ENV, 2 LFOs and 1 MOD LFO)
- Digital Part: 4 parts (3 Partial (3 OSCs, 3 Filters, 3 AMPs, Envelops for each section and LFOs)) (Digital Part uses SuperNATURAL Synth tones that is compatible with the Integra-7)
User Program Memory
- 256 Internal
- 256 USB Flash memory
- (The patterns of Arpeggio and Sequence are saved as programs)
Analog-OSC Section
- Oscillator waveforms: Saw, Square, Pulse/PWM, Triangle, Sine
- Knobs/Sliders: Pitch, Fine, Cross Mod, Pulse Width, Pulse Width Modulation
- Pitch Envelopes: Attack, Decay, Envelope Depth
- Modulation: Cross Modulation, Ring Modulation, Oscillator Sync
- A-OSC2 is applied as modulation to A-OSC1
Analog-FILTER Section
- Filter Type: LPF1, LPF2, LPF3, HPF, BPF, Bypass
- Knobs: Cutoff, Resonance, Key Follow, Envelope Depth, HPF, Drive
- Envelope: Attack, Decay, Sustain, Release  Â
Analog-AMP Section
- Knobs: Level
- Envelope: Attack, Decay, Sustain, Release
Digital-OSC Section
- Oscillator waveforms: Saw, Square, Pulse/PWM, Triangle, Sine, Variation
- Knobs/Sliders: Pitch, Fine, Pulse Width, Pulse Width Modulation
- Pitch Envelopes: Attack, Decay, Envelope Depth
- Modulation: Ring Modulation
- Partial2-OSC is applied as modulation to Partial1-OSC
Digital-FILTER Section
- Filter Type: LPF1, LPF2, LPF3, HPF, BPF, Variation, Bypass
- Knobs: Cutoff, Resonance, Key Follow, Envelope Depth, HPF
- Envelope: Attack, Decay, Sustain, Release  Â
Digital-AMP Section
- Knobs: Level
- Envelope: Attack, Decay, Sustain, Release  Â
LFO Section
- LFO Waveform: Triangle, Sine, Saw, Square, Sample&Hold, Random
- Knobs/Sliders: Rate, Fade Time, Pitch Depth, Filter Depth, Amp Depth
- Tempo Sync  Â
Mixer Section (For Analog Part)
- Level: A-OSC 1, A-OSC 2, AUXÂ Â Â
Mic
- Vocoder
- MIC Modulation
Effects
- MFX: 8 systems, 67 types (each part has a MFX)
- Part EQ: 8 systems (each part has a Part EQ)
- TFX: 2 systems, 29 types
- DELAY
- REVERB: 6 types
- Master EQ
- Mic Input Reverb: 8 types
Pattern Sequencer
- Tracks: 16
- Patterns are saved as a program
- SMF import supported
Arpeggio
- 64 Preset pattern 64
- User Patterns are saved as a program
Controllers
- Pitch bend and modulation lever, Pitch and modulation wheels  Â
Display
- 16 characters 2 line LCD
External Storage
- USB Flash memory
Connectors
- PHONES jack: Stereo 1/4-inch phone type
- MAIN OUTPUT jacks (L/MONO, R): 1/4-inch TRS phone type
- ANALOG DRY OUTPUT jack: 1/4-inch phone type
- CLICK OUTPUT jack: Stereo 1/4-inch phone type
- MIC jack: Combo type (XLR, 1/4-inch TRS phone), balanced
- FOOT PEDAL jacks (CTRL 1, CTRL 2, HOLD)
- CV/GATE OUTPUT jacks (2 systems): Miniature phone type
- (CV: These jacks support OCT/V (Hz/V is not supported) GATE: They output +5V)
- MIDI connectors (IN, OUT)
- USB COMPUTER port (USB Hi-Speed AUDIO/MIDI): USB B type
- (Use a USB cable and a computer with a USB port that support USB 2.0 Hi-Speed)
- USB MEMORY port: USB A type
- DC IN jack
Power Supply
- AC Adaptor
Current Draw
- 3,000 mAÂ Â Â
Accessories
- Owner's Manual
- AC Adaptor
- Power Cord
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