# Ruby KT88-C — resale value

**Ruby KT88-C** is worth about **$54.99**, based on real closed eBay sales.

## Value

| Condition | Value (USD) |
| --- | --- |
| Used | $54.99 |

Values are medians of real closed eBay sales, updated 2026-07-25. 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%3DRuby%2520KT88-C%2520Tube%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%3DRuby%2520KT88-C%2520Tube%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 | Ruby |
| Model | KT88-C |
| Used range | $54.99 – $54.99 |
| Sample size | 2 listings |
| Category | Tubes |

## Ruby KT88-C resale value

The used Ruby KT88-C has a median Reverb asking price of **$54.99**, ranging from $54.99 to $54.99 across 2 current listings.

### What drives the price

For a used part, condition, compatibility, and originality move the price most. Vintage and limited runs command a premium; player-grade and modified examples sell for less.

## FAQ

**What is the current resale price for the Ruby KT88-C tubes?**

The current used range for the Ruby KT88-C tubes is fixed at $54.99.

**How many listings are available for the KT88-C model?**

There are currently 2 listings available for the Ruby KT88-C tubes on the marketplace.

**Is the price consistent across all available KT88-C listings?**

Yes, the used range shows a consistent price of $54.99 for this model.

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Full price guide: https://junkpal.ai/products/ruby-kt88-c-tubes-reverb
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-07-25, based on real sold listings (junkpal.ai)"