groove tubes 6l6

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6L6 - Do Power Amp tubes make any difference? From Ruby to Groove Tubes

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Groove Tubes Fender Svetlana 6L6GC vs SOVTEK 6L6GC Tube Comparison

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Fender Bandmaster AB763 - 6L6 Groove Tubes vs Sovtek 6L6 wxt+

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Fender Deville 4x10 - Power Tube change from Groove Tube to JJ 6L6

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6L6 Valve/Tube Comparison (Groove Tube/JJ/Electro-Harmonix/Mesa Boogie/Jan Philips)

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GROOVE TUBES 6L6GC Black Plate vs JJ 6L6GC Tone Test

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Groove Tubes 6L6GC China vs Groove Tubes 5881 Russia Tube Tone Comparison

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Old Tubes Vs New Tubes / How To Change Amp Tubes

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Groove Tubes 6L6GC vs Mullard EL34 Reissue Tube Tone Comparison

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6L6 Shootout: SED Wing C vs JJ

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6L6 and 12AX7 Tubes - Does replacing them all improve tone???

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Bugera 1960 Infinium - stock with Groove Tubes 6L6 power tubes and Bugera 12AX7 preamp tubes.

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EL34 vs 6L6 | Mesa Triple Crown Part 1

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EL34 vs 6L6 | Mesa Triple Crown Part 2

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6L6GC tubes test old stock vs new

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6L6 vs EL34; What Sounds More Brutal? *Dual Rectifier*

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Groove Tube 6L6GC in the ENGL E350 after 30 minutes.

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Can I swap out 6L6 and EL34 output tubes?

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EL34 vs 6L6 Tubes. Whats the difference?

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Groove Tube # 6L6-GC Fail, 4 Hours

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Carvin V3 EL34 VS 6L6 : sound on sound comparison.

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Fender Twin Reverb, lampe Groove Tubes 6L6

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Testing a Quad Groove Tubes 6L6GC on a SECO 107A and Peavey Triple X XXX

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Simple tests for Tubes with a Multi Meter