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Eurotubes Bias Probe for Octal Base Power Tubes.

Q: how do you use this? my amp has no bias pots only can be bias from underneath the amp. will this work

Our bias probe allows you to monitor the idle bias point (plate current) of your power tubes. The bias point itself can only be adjusted by the bias adjustment trimmer built into the amp. If the bias adjustment trimmer is internal the amp will still need to be taken apart to access it (which is quite common). Thanks,EddieEurotubes503-659-7401

Q: Will this work for my '65 Deluxe Reverb Reissue?

Yes, our octal bias probe would work great with your '65 Deluxe Reverb Reissue. Don't hesitate to contact us directly if you need additional info. Thanks, ET

Q: I use to have these years ago for my deluxe reverb is it true that I can measure the plate voltage with these

No, our basic bias probe cannot be used to measure plate voltage. Please checkout or Pro One if you need this functionality: https://www.amazon.com/Eurotubes-Probe-Octal-Power-Tubes/dp/B01A7IKTA0/ref=sr_1_1?ie=UTF8&qid=1524269945&sr=8-1&keywords=eurotubes+pro+one Thanks, Eddie/Eurotubes

Q: will the work with the 7591a tube?

Yes, this bias probe head will work 7591A's. Don't hesitate to contact us directly if you would like more info. Thanks, Eurotubes

Product ID: 340940919

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Details

Brand
Eurotubes
Power Source
Battery
Colour
Black
Item Weight
9 g
Min. Operating Voltage
6 Volts

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Description

Eurotubes Bias Probe for Octal Base Power Tubes.

Specifications

Brand	Eurotubes
Power Source	Battery Powered
Colour	Black
Item Weight	9 g
Min. Operating Voltage	6 Volts
Specification Met	CE
Measurement Type	Multimeter
Manufacturer	Eurotubes Inc.
Item Weight	9.07 g
Item model number	Eurotubes Octal Bias Probe
Item Weight	9.07 g
Country of Origin	USA

Have a Question? See What Others Asked

how do you use this? my amp has no bias pots only can be bias from underneath the amp. will this work

Will this work for my '65 Deluxe Reverb Reissue?

I use to have these years ago for my deluxe reverb is it true that I can measure the plate voltage with these

will the work with the 7591a tube?

Common Questions

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€ 251.87

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TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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