# Marshall JMP-1 Valve MIDI Preamp — resale value

Source: JunkPal price guide — https://junkpal.ai/products/marshall-jmp-1-valve-midi-preamp-amps-reverb

**Marshall JMP-1 Valve MIDI Preamp** is worth about **$778.5**, based on real closed eBay sales.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/marshall-jmp-1-valve-midi-preamp-amps-reverb

## Value

| Condition | Value (USD) |
| --- | --- |
| Used | $778.5 |

Values are medians of real closed eBay sales, updated 2026-08-25. They are estimates for reference, not offers or appraisals — condition, completeness and edition move them a lot, so compare against the sold listings before pricing anything.

## Check the market

- [Sold listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DMarshall%2520JMP-1%2520Valve%2520MIDI%2520Preamp%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-sold&p=md-sold) — the closed sales these medians are computed from
- [Live listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DMarshall%2520JMP-1%2520Valve%2520MIDI%2520Preamp%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-live&p=md-live) — what sellers are asking right now

eBay links are affiliate links: JunkPal may earn a commission at no cost to you.

## Details

| Field | Value |
| --- | --- |
| Brand | Marshall |
| Model | JMP-1 Valve MIDI Preamp |
| Finishes seen | Gold |
| Used range | $540.82 – $852.31 |
| Sample size | 6 listings |
| Category | Amps |

## Marshall JMP-1 Valve MIDI Preamp resale value

The used Marshall JMP-1 Valve MIDI Preamp has a median Reverb asking price of **$778.5**, ranging from $540.82 to $852.31 across 6 current listings.

### What drives the price

For a used amp, tube vs solid-state, original speakers/tubes, wattage, and tolex/grille condition move the price most. Vintage and limited runs command a premium; player-grade and modified examples sell for less.

## FAQ

**What is the typical price range for the Marshall JMP-1?**

Based on current listings, the JMP-1 ranges between $605.36 and $1,120.67.

**Is the JMP-1 a common piece of vintage Marshall equipment?**

With only 5 listings observed, this 1992 model appears to be a relatively specific piece of gear.

**What finishes are available for this preamp?**

The Gold finish has been seen for this Marshall JMP-1 model.

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Full price guide: https://junkpal.ai/products/marshall-jmp-1-valve-midi-preamp-amps-reverb
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-08-25, based on real sold listings (junkpal.ai)"