Engl Special Edition E670 Custom Retube kit

Custom Kit

Want it your way? The "Custom Kit" is just that, you get to choose all of your preamp tubes and power tubes! We give you all the positions and you fill them! We left the quantity fields open so that spares or multiple tubes could be ordered to experiment with. Please click on the "More Details" button to get an in-depth description of the tonal differences.

Custom Kit

Power-Tubes

Here you can choose from 6L6GC's, 5881's, EL34II's, EL34's, E34L's, 6CA7's or KT77's. Please see click on the "More Details" button to get an in-depth description of the tonal differences.

6L6GC Matched Quad -

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5881 Matched Quad -

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EL34 Matched Quad -

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E34L Matched Quad -

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EL34II Matched Quad -

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6CA7 Matched Quad -

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KT77 Matched Quad -

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Bias Probes and Multimeters

These are all adjustable bias amps and all you need to check and adjust the bias is a bias probe and a Multimeter, or our all-in-one Eurotubes "Pro One" bias probe that reads both the plate current and the plate voltage simultaneously.

Eurotubes “Pro One” Bias Probe for octal power tubes -

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Eurotubes Octal Bias Probe -

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Cables-

These are made in-house from USA made real 10 Gauge oxygen free copper cable and high quality heavy duty 1/4" jacks. These cables leave no frequency unheard!

Eurotubes 10 Gauge 3 foot Speaker Cable -

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Eurotubes 10 Gauge 6 foot Speaker Cable -

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Configure: Engl Special Edition E670 Custom Retube kit