Groove Tubes Valves GT-6L6-R Quartet (Matched)

Buy the Groove Tubes Valves GT-6L6-R Quartet (Matched) from Dolphin ...

• Online Price: £65.95 GBP (inc VAT)
• SRP: £65.95 GBP
• Euro Price: €83.39 EUR (1 GBP = 1.26444 EUR)
• Availability Online: Call 0844 815 0888 for availability
• Availability In Store:
  2 In Stock @ Liverpool Call: 0151 709 5997
  In Store price may differ from online price
  
• Manufacturer SKU: GT6L6-R   Dolphin ID: 30816
• Postage will be £6.99 per order.

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Russian made, same as the 5881 you are using now, but when these are matched in our system they are improved. These are a very sturdy and reliable tube.

Perhaps the most reliable of the currently made types, with slightly less power and a more aggressive edge when pushed into distortion.

These are the tubes that are used by Fender in amps that use 6L6 tubes and are amps that DO NOT come from their custom shop. These are used in the Hot Rod series, Blues DeVille series, Pro Tube series, BF reissue series.

The GT 6L6GE is used in the 57 Tweed, Vibroverb and Vibro King amps.

If you are trying to match your stock tube rating with the GT rating:

On Fender amps, output tubes in newer amps are color coded. The scale is:

• Blue = GT 1-3 rating
• White = GT 4-7 rating
• Red = GT 8-10 rating

GT Rating System: 8-10 (High)

Understanding the GT Tube Performance Rating System

Groove Tubes use a special process to categorically rate all their tubes so that players can select the tubes that best fit their preferred tones and styles. Here is a brief description.

• RATING 1 to 3: Offers an early and wide range of distortion and a softer attack. These tubes are great for Rock and Blues solos.
  
• RATING 4 to 7: Our normal performance tube rating. It's the best all around rating for all types of playing.
  
• RATING 8 to 10: GT's most dynamic, most clean power rating. These tubes are good for power players, Jazz, and bass amps.

IMPORTANT BIAS NOTE: If you're replacing a tube with the SAME TYPE of Groove Tube (tube model and rating), you should have no problems with your amp's bias. In any other case, you should always have a qualified amp tech reset your amp’s bias whenever changing your tube type or rating number. Contact Groove Tubes if you have questions about which
tube will work for your amplifier, or whether re-biasing is required.

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