
011055 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $29.95 | Condition is New, 128MB MEMORY RAM KIT For Kurzweil K2500 K2500R K2500S K2500X K2500XS Revision K, FREE SHIPPING | ![]() |
![]() | $40.00 | Condition is New, KURZWEIL K2500 K2500R K2500S K2500X K2500XS Sample Ram Memory 128MB (Revision K), shipping cost = $5.50 | 100.0% |
![]() | $139.95 | Condition is New, External ZuluSCSI Blaster - RP2350B Fully Set up Plug-n-Play, shipping cost = $12.35 | 100.0% |
![]() | $140.00 | Condition is New, Kurzweil K2600R SCSI Hard Drive Emulator - Internal install-w/Samples&Programs, shipping cost = $11.95 | 100.0% |
![]() | $140.00 | Condition is New, Kurzweil K2500R SCSI Hard Drive Emulator - Internal install-w/Samples & Programs, shipping cost = $11.95 | 100.0% |
![]() | $140.00 | Condition is New, Kurzweil K2000R SCSI Hard Drive Emulator - Internal install-w/Samples & Programs, shipping cost = $11.95 | 100.0% |
![]() | $140.00 | Condition is New, Kurzweil K2500R SCSI Hard Drive Emulator - floppy replacement-w/Samples&Programs, shipping cost = $11.95 | 100.0% |
![]() | $140.00 | Condition is New, Kurzweil K2500 SCSI Hard Drive Emulator - floppy replacement-w/Samples&Programs, shipping cost = $11.95 | 100.0% |
![]() | $140.00 | Condition is New, Kurzweil K2600 SCSI Hard Drive Emulator - Internal install-w/Samples&Programs, shipping cost = $11.95 | 100.0% |
![]() | $140.00 | Condition is New, Kurzweil K2600 SCSI Hard Drive Emulator - floppy replacement-w/Samples&Programs, shipping cost = $11.95 | 100.0% |
![]() | $140.00 | Condition is New, Kurzweil K2600R SCSI Hard Drive Emulator - floppy replacement-w/Samples&Programs, shipping cost = $11.95 | 100.0% |
![]() | $150.00 | Condition is New, Kurzweil K2500 External SCSI Hard Drive Emulator with Samples and Programs, shipping cost = $11.95 | 100.0% |
![]() | $150.00 | Condition is New, Kurzweil K2600 External ZuluSCSI Hard Drive Emulator with Samples & Programs, shipping cost = $11.95 | 100.0% |
![]() | $150.00 | Condition is New, Kurzweil K2000 External ZuluSCSI Hard Drive Emulator with Samples & Programs, shipping cost = $11.95 | 100.0% |
![]() | $2299.00 | Condition is New, K2061 61-Key V.A.S.T. Synthesizer, FREE SHIPPING | 99.4% |
![]() | $2299.00 | Condition is New, Kurzweil K2061 Synthesizer Workstation, FREE SHIPPING | 100.0% |
![]() | $2999.00 | Condition is New, Kurzweil K2088 Synthesizer Workstation CARRY BAG KIT, FREE SHIPPING | 100.0% |
![]() | $2999.00 | Top Pick! Condition is New, Kurzweil K2088 88 Key Synthesizer Workstation, FREE SHIPPING | 99.5% |
![]() | $2999.00 | Condition is New, Kurzweil K2088 Synthesizer Workstation, FREE SHIPPING | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $13.99 | Condition is Used, Cubig 836QCS 16MB 72-pin SIMM Desktop PC, Sampler, Synth RAM Memory 1994, shipping cost = $6.62 | 100.0% |
![]() | $15.99 | Condition is Used, KS-17 10232-2 32MB 72-pin SIMM Desktop PC, Sampler, Synth RAM Memory 1994, shipping cost = $6.62 | 100.0% |
![]() | $199.00 | Condition is Used, Kurzweil K2500/K2500X/K2500R Original Engine-Main Board. Works Great !, shipping cost = $20.00 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $40.67 | Condition is Usato, 32MB SDRAM PC100 100MHz 168-pin LOW DENSITY RAM ARCADE GAMING CHIP S3-8A 9948, shipping cost = $11.62 | 100.0% |

The Kurzweil K2500 Engine Board, model number 011055, is a crucial component for those with the vintage Kurzweil K2500 synthesizer. This motherboard, also referred to as the engine board, is the heart of the synthesizer's digital signal processing and memory functions. It houses the 30-pin 128MB Synchronous DRAM (SDRAM) memory module, which significantly enhances the synthesizer's sound generation capabilities.
This engine board is a direct replacement for the original board in the K2500 synthesizer. It is designed with the latest technology to ensure optimal performance, reliability, and compatibility with modern technology. The board is engineered with a robust design, featuring gold-plated connectors to prevent oxidation and ensure secure connections.
The 128MB SDRAM memory module installed on this engine board offers a substantial increase in memory capacity compared to the original board. This additional memory translates to a more extensive range of sounds, more complex patches, and more efficient sampling. The SDRAM memory also ensures faster data access times, resulting in smoother and more responsive performance.
The Kurzweil K2500 Engine Board 011055 is specifically designed for the K2500 synthesizer and is easily installed by following the provided instructions. The board is compatible with all versions of the K2500, including the XR and XP models. Installing this engine board in your Kurzweil K2500 synthesizer will breathe new life into your instrument, allowing you to explore a wider range of sounds and capabilities.
In summary, the Kurzweil K2500 Engine Board 011055 is a high-performance replacement motherboard for the vintage Kurzweil K2500 synthesizer. It features a 128MB SDRAM memory module and is designed with a robust gold-plated connector interface for optimal reliability. Installing this engine board in your K2500 synthesizer will significantly enhance its sound generation capabilities and overall performance.
The Kurzweil K2500 is a popular digital piano workstation known for its high-quality sound and versatility. The engine board or motherboard is an essential component of the K2500, responsible for processing data and managing various functions. Here are some potential pros and cons of buying a new Kurzweil 011055 K2500 engine board with 128MB memory:
Pros:1. Improved Performance: A new engine board can lead to faster processing times, smoother operation, and reduced latency, making your K2500 feel fresh and responsive.
2. Increased Memory: The 128MB memory expansion can offer several benefits, such as more voices, more multisamples, and larger sample libraries.
3. Compatibility: A new engine board ensures compatibility with the latest software updates and ensures that your K2500 remains a reliable and functional instrument.
4. Cost-effective: Upgrading the engine board is often a more cost-effective solution compared to buying a new instrument, especially if your K2500 is still in good condition.
Cons:1. Cost: A new engine board can be an expensive investment, especially when considering the cost of labor if you need to have it professionally installed.
2. Risk of Damage: Handling and installing the engine board can carry the risk of damaging it or other components.
3. Availability: Engine boards for older models like the K2500 may not be readily available from Kurzweil or authorized dealers, making it a challenge to find a replacement.
In conclusion, upgrading your Kurzweil K2500 with a new engine board and 128MB memory expansion can bring several benefits, including improved performance, increased memory, compatibility, and cost-effectiveness. However, it also comes with potential drawbacks such as cost, risk of damage, and availability. Ultimately, the decision to upgrade depends on your specific situation, budget, and desired outcomes. If you value the sound quality, versatility, and functionality of your K2500, and you're willing to invest in a new engine board, it can be a worthwhile upgrade. On the other hand, if the cost and potential risks outweigh the benefits, you may consider alternative solutions like upgrading your computer or investing in a new instrument.
Details:
Kurzweil K2500 engine board/mother board 30 pin version with 128mb memory. It was pulled from a working unit. It is in good working condition. This is the first version.
specifications audioproequip:
- brand: Kurzweil
- mpn: 011055
- type: Engine Board
- compatible model: K2500, K2500x, K2500s, K2500xs
- features: Mainboard, Motherboard, Circuitboard, Pcb, Engine Board
shipping audioproequip:
- class: standard
- type: calculated
- carrier: usps
- transit: 4-9 days
- service: usps ground advantage
offer audioproequip:
- best offers: true
- prices: $40.00–$2999.00
- item condition:
- New
- Used
- Usato
- started: april 27, 2025
- in stock #: 5
- options: ship-to-home
- availability: in stock
- sold #: 18
general audioproequip:
- category: Musical Instruments > Pro Audio Equipment Parts
seller audioproequip:
- # reviews: 391
- city: clarkston, georgia
- rating: 100.0%
returns audioproequip:
- method: money back
- paid by: buyer
- policy: returns accepted
- time: 30 days
payments audioproequip:
- credit card: visa
- wallet: google-pay
- other


















