Platinum Matched Quads

PLATINUM MATCHED   Consistent, solid and reliable. The construction of gold-plated molybdenum alloy grid, carbon-coated screen grid makes it one of the best current production 6550 on the market...

Extremely musical with a sound that is rich, smooth, detailed without being edgy. Beautiful! It is the perfect EL84 for any vintage equipment & a sure way to improve the performance of even modern...

Smooth midrange sound with plenty of headroom. Gold-plated molybdenum alloy grid and carbon-coated screen grid makes it one of the best current production matched pair EL34’s on the market. It’s a...

The TAD EL84-CZ is the powerhouse and roughneck among the EL84s and provides most amps with an extra powerful bass response. You have to be careful with amps that already have a fat bass and you need...

The TAD E34L is a long-life EL34 type tube with thick and especially solid glass. It delivers lots of bite in the top end, punchy mids and well-focused bass power. Our burn-in process increases the...