Z8400PS

The Zilog Z8400PS/Z80 CPU 8238 Prophet-600 Synth Spare Kit is an essential collection of components designed for repairing or building a Zilog Z8400-based synthesizer, specifically the Prophet-600 model. This kit is ideal for musicians, hobbyists, or electronics enthusiasts looking to restore the functionality of their vintage Prophet-600 synth or construct a replica.

The heart of this kit is the Zilog Z8400PS microcontroller, which is a versatile 8-bit CPU that boasts an impressive range of features. It includes an integrated Z80 CPU for running microcode and handling complex instructions, making it an excellent choice for synthesizer applications. Furthermore, it offers 128 bytes of on-chip RAM, 4KB of on-chip ROM, and various I/O ports, ensuring seamless communication between different components.

The kit also includes the Intel 8238 DMA (Direct Memory Access) controller. This chip plays a crucial role in transferring data between memory and peripherals, such as the A/D and D/A converters, at high speeds. The 8238 DMA chip enables the synth to process data more efficiently, resulting in improved performance and sound quality.

Moreover, this spare kit includes a variety of discrete components, such as resistors, capacitors, diodes, and transistors, which are required for building or repairing the Prophet-600 synth's circuitry. These components are carefully selected to meet the specifications of the original design, ensuring accurate and authentic results.

Additionally, this kit comes with integrated circuits (ICs) like voltage-controlled oscillators (VCOs), voltage-controlled filters (VCFs), and voltage-controlled amplifiers (VCAs), which are vital for generating and shaping sound waves. These ICs provide the foundation for the synth's core sound generation capabilities.

The Zilog Z8400PS Z80 CPU 8238 Prophet-600 Synth Spare Kit is an extensive collection of components that caters to both repair and construction projects. It offers the necessary chips, ICs, and discrete components required to maintain or build a Prophet-600 synth, ensuring an authentic and functional experience for synth enthusiasts. With this kit, users can restore their vintage synth to its former glory or construct a replica, allowing them to explore the rich, expressive world of analog synthesizers.

The Zilog Z8400PS Z80 CPU 8238 Prophet-600 synth spare kit is a solution for those looking to restore or build a Prophet-600 synthesizer. This retro electronic musical instrument is known for its rich and versatile sound. Let's discuss the pros and cons of buying this spare kit.

1. Authenticity: The Z8400PS Z80 CPU 8238 Prophet-600 synth spare kit is designed to be a direct replacement for the original components that may have worn out or malfunctioned in your Prophet-600 synthesizer. This ensures that the sound and functionality of your instrument remain as close as possible to its original state.

2. Availability: The Z8400PS Z80 CPU 8238 Prophet-600 synth spare kit is relatively easy to find for sale online, making it a convenient option for those looking to restore their instrument.

3. Cost-effective: Compared to the cost of replacing the entire Prophet-600 synthesizer or buying a new one, the spare kit is a more cost-effective solution for restoring the functionality of your instrument.

1. Complexity: Restoring a Prophet-600 synthesizer using a spare kit requires a good understanding of electronic components and their interconnections. This may be a daunting task for those without experience in electronic repair or synthesizer restoration.

2. Time-consuming: The process of restoring a synthesizer using a spare kit can be time-consuming, as it may involve disassembling the entire instrument, replacing the faulty components, and reassembling the instrument.

3. Risk of damage: During the restoration process, there is a risk of causing further damage to the synthesizer if the replacement components are not installed correctly.

The Zilog Z8400PS Z80 CPU 8238 Prophet-600 synth spare kit is a suitable option for those who are committed to restoring their Prophet-600 synthesizer and have the necessary skills and experience. The authenticity, availability, and cost-effectiveness of the spare kit make it an attractive solution for those who value the unique sound and functionality of their vintage instrument. However, the complexity, time-consuming nature, and risk of damage during the restoration process are important considerations to keep in mind.

If you have the necessary skills, experience, and patience to restore your Prophet-600 synthesizer using a spare kit, then it is a worthwhile investment. However, if you are not comfortable with the restoration process or do not have the time to dedicate to it, then it may be more practical to consider other options, such as sending your synthesizer to a professional repair shop or purchasing a refurbished unit. Ultimately, the decision depends on your individual circumstances and priorities.

Details:

Both items were kept as backup service parts. Condition: z80 cpu appears unused, pulled from storage. Great for techs, restorers, or collectors of vintage synth hardware. Set of resistors labeled for PROPHET-600 keyboard circuit useful repairs or restoration.

Includes: Zilog z80 cpu Z8400PS, date code 8238 the main processor used in PROPHET-600 and many other vintage synths. Resistors are new old stock, never soldered. Vintage spare parts kit for sequential circuits PROPHET-600 synthesizer.

specifications audioproequip:

• brand: Zilog
• mpn: Z8400ps
• model: Z80 Cpu Z8400ps 8238
• compatible brand: Sequential Circuits
• type: Integrated Circuit
• compatible model: Prophet-600

seller audioproequip:

• # reviews: 34
• city: pinckney, michigan
• rating: 100.0%

general audioproequip:

• category: Musical Instruments > Pro Audio Equipment Parts

payments audioproequip:

• credit card: visa
• other
• wallet: google-pay

offer audioproequip:

• started: september 14, 2025
• prices: $3.50–$39.95
• item condition:
  • New – Open box
  • New
  • Used
• in stock #: 5
• options: ship-to-home
• sold #: 14
• availability: in stock
• best offers: true

shipping audioproequip:

• service: usps ground advantage
• carrier: usps
• type: calculated
• class: standard
• transit: 4-10 days

returns audioproequip:

• policy: no returns