KORG MS-50 Owner's Manual

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KORG MS-50 Specification

The KORG MS-50 is a monophonic analog synthesizer renowned for its modular capabilities and versatility in sound design. Released in the late 1970s, the MS-50 is designed to complement other synthesizers from the KORG MS series, offering an expansive array of patching options for intricate sound manipulation. The synthesizer features a single Voltage Controlled Oscillator (VCO) that provides stable frequency modulation across a wide range of waveforms, including sawtooth, triangle, and pulse. The Voltage Controlled Filter (VCF) is a 12dB/octave low-pass filter, known for its warm, resonant qualities, allowing for expressive tonal shaping.

An important aspect of the MS-50 is its extensive patch bay, which includes 35 patch points, enabling users to interconnect with other modular systems or standalone synthesizers. The patch bay includes inputs and outputs for modulation sources, filters, and envelope generators, providing users with a flexible platform for creating complex audio paths and modulations. This synthesizer is equipped with multiple modulation sources, including an envelope generator, a low-frequency oscillator (LFO), and a sample-and-hold circuit, enhancing its capability to produce dynamic and evolving sounds.

The MS-50's control panel is user-friendly, featuring a traditional analog interface with knobs and switches that facilitate real-time control of sound parameters. It does not have a built-in keyboard, reflecting its modular nature, and is usually controlled externally. The MS-50 includes a ring modulator and a noise generator, further expanding its sound design potential. Compact in size, this synthesizer is built with high-quality components and maintains the robust build quality typical of KORG's vintage instruments, making it a sought-after piece for enthusiasts of analog synthesis.

KORG MS-50 F.A.Q.

How do I connect the KORG MS-50 to other synthesizers for modular use?

To connect the KORG MS-50 to other synthesizers, use patch cables to connect the CV (Control Voltage) and Gate outputs of one synthesizer to the CV and Gate inputs of the MS-50. This allows for synchronized control and modulation.

What is the best way to maintain the KORG MS-50 to ensure its longevity?

Regularly dust the unit with a soft, dry cloth and avoid exposure to extreme temperatures and humidity. Ensure all cables are properly inserted and avoid unnecessary stress on the jacks to prevent wear and tear.

How can I troubleshoot if there is no sound output from the KORG MS-50?

First, check all cable connections and ensure the power supply is functional. Verify that the volume levels are appropriately set and inspect the patch configuration to ensure correct signal flow.

Can I use the KORG MS-50 with a MIDI controller?

The KORG MS-50 does not have MIDI connectivity by default. However, you can use a MIDI to CV converter to interface a MIDI controller with the MS-50.

What are common patch configurations for creating bass sounds on the KORG MS-50?

For a basic bass patch, connect the VCO output to the VCF input, then route the VCF output to the VCA. Use the envelope generator to modulate the VCA for dynamic control.

How do I calibrate the oscillators on the KORG MS-50?

To calibrate the oscillators, you need a tuner and a small screwdriver. Use the tuning knobs to adjust the pitch, and fine-tune using the trimmers inside the unit if necessary.

What should I do if the signal from the KORG MS-50 is distorted?

Check the gain settings on your amplifier or mixer to ensure they are not set too high. Also, verify that the patch connections are correct and that no cables are damaged.

How can I use the KORG MS-50 to process external audio signals?

Connect the external audio source to the External Signal Processor (ESP) input. Adjust the ESP settings to modify the incoming signal, which can then be routed through the synthesizer's modules.

What is the function of the Sample & Hold module on the KORG MS-50?

The Sample & Hold module captures and holds a random voltage level at each clock pulse, which can be used to create step-like modulations or random patterns in the sound.

How do I replace a faulty power supply in the KORG MS-50?

If the power supply is faulty, it is recommended to contact a professional technician since replacing it involves handling potentially dangerous voltages and ensuring the replacement matches the original specifications.