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Preamp · Dual triode

6DJ8

Same type as ECC88

Frame-grid dual triode used in hi-fi preamps, phono stages and test equipment.

Base: 9-pin miniature (noval)

  • Specs not yet verified against a datasheet
  • No replacement verified yet

Where to buy 6DJ8

Each button opens that retailer's own search for 6DJ8. We don't see their prices or stock.

Before you buy, check that the listing names 6DJ8 or ECC88. A listing that mentions another tube name isn't necessarily the same type. Affiliate disclosure

Other names

  • ECC88 same type

    European designation for the 6DJ8 type.

  • 6922 variant — check before swapping

    Premium / long-life variant designation (E88CC) of the 6DJ8 type.

Specifications

Not yet verified

Electrical specifications are pending verification against a manufacturer datasheet. We don't publish numbers until they have a cited source.

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Common uses

  • hi-fi preamp
  • phono stage

Replacing a 6DJ8

A tube that fits the same socket is not automatically a safe replacement. Heater voltage, pin connections and electrical ratings must match what your amplifier is designed for. Check your amp's manual or a qualified technician.

Other preamp tubes

For browsing. Being listed here doesn't mean a tube can replace 6DJ8.