M90 - Piano Kurzweil - Free user manual and instructions
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| Product Type | Digital Piano |
| Brand | Kurzweil |
| Model | M90 |
| Keyboard | 88 weighted keys with touch sensitivity |
| Polyphony | 128 notes |
| Number of Voices | 30 preset sounds including piano, organ, strings |
| Dimensions (W x D x H) | 1350 x 400 x 800 mm |
| Weight | 38 kg |
| Power Supply | AC adapter (12V DC, 2A) |
| Power Consumption | 15 W |
| Built-in Speakers | 2 x 20W |
| Headphone Jack | 1/4" (6.35 mm) stereo |
| Pedal Inputs | 3 (damper, soft, sostenuto) |
| MIDI Connections | MIDI In, Out, USB-MIDI |
| Audio Connections | Line Out (L/R), AUX In |
| Display | Backlit LCD |
| Supported Functions | Metronome, Transpose, Reverb, Chorus, Recording/Playback |
| Housing | Wood cabinet with sliding key cover |
| Accessories Included | AC adapter, music rest, sustain pedal, user manual |
| Cleaning | Wipe with a soft, dry cloth. Avoid solvents and abrasives. |
| Safety | Use only supplied AC adapter. Keep away from liquids. Do not disassemble. |
| Spare Parts Availability | Contact authorized Kurzweil service centers for replacement parts. |
| Repairability | Repairs should be carried out by qualified personnel only. |
Frequently Asked Questions - M90 Kurzweil
How do I connect the M90 to a computer?
Use a standard USB cable to connect the USB-MIDI port on the piano to your computer. Install the Kurzweil M90 driver if required, then select the piano as a MIDI device in your software.
Can I use headphones with the M90?
Yes, plug a 1/4" (6.35 mm) stereo headphone into the headphone jack on the front panel. The built-in speakers will automatically mute.
How do I calibrate the pedals?
The pedals are usually plug-and-play. For sustain pedal polarity adjustment, you may need to hold the pedal while powering on the piano, or use the menu settings (refer to manual).
What should I do if some keys don't sound?
Check if the local control is on (in MIDI settings). Also ensure the volume is not set to zero. If the issue persists, perform a factory reset (hold the highest white key while powering on).
How do I transpose the piano?
Press the Transpose button, then use the +/- keys to change the pitch in semitones. The setting is shown on the display.
Can I record my playing?
Yes, the M90 has a built-in recorder. Press the Record button, then play. Press Play to hear the recording. You can record a single track.
How do I change the touch sensitivity?
Access the Function menu by pressing the Function button, then select Touch. You can choose from Hard, Medium, Soft or Fixed sensitivity.
What is the recommended maintenance?
Keep the piano away from direct sunlight and humidity. Clean the keys with a slightly damp cloth (not wet). Periodically dust the interior using a soft brush or vacuum on low suction.
How do I adjust the reverb effect?
Press the Function button, then scroll to Reverb. Use the +/- buttons to select a reverb type (Room, Hall, Stage) and adjust the depth.
Where can I find the serial number?
The serial number is located on the bottom panel of the piano, near the power input. It is also printed on the original packaging.
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USER MANUAL M90 Kurzweil
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Product information
Brand : Kurzweil
Model : M90
Category : Piano