Budget priced, overall pleasing sound.

Svetlana 6550C, from New Sensor. Rugged construction. Triple getter, three hole plate construction. Gold wire for the control grid. and carbonized wire for the screen grid give this a very natural and neutral sound. Noted as the best budget 6550! Price is for a pair.

Step up from this to the EH 6550 for better soundstage and overall improvement in highs, mids, and bass. Try out the SED 6550 for unbelievable midrange and rugged, durable construction.