Groove Tubes® GT-6L6-S Duets (RATED 1-10) – Medium

Best for

Owners of 6L6-equipped guitar amplifiers needing a matched quartet in Groove Tubes' medium 4-7 rating range.

Who should skip

Players whose amp specifies EL34, EL84, 6V6, or other non-6L6 power tubes, or anyone unable to verify safe compatibility and bias requirements.

Watchouts

Power-tube replacement can require bias checking or adjustment. GTIN/UPC was not verified from reliable sources in the research pass.

Likely add-ons

• model-appropriate mounting hardware
• installation tools or qualified technician

Verify before buying

• What exact dimensions, mounting pattern, and model compatibility does this part support?
• Is all required mounting hardware included?
• Does installation require routing, drilling, soldering, or other irreversible work?
• Is the item still in stock at the displayed price, and what is the complete delivered cost to the intended destination?