Description

2 QUAD set ONLY! 

Pay for 1 pair at $500, and receive 2nd pair @ 60% OFF = $200. Total 4 tubes matched as a QUAD. 

Unique black coating high fidelity tubes for upgrading from stock entry level 845 to higher fidelity.

If you prefer to see more tube glow when enjoying music, please check out the ‘Clear Bottle’ version under the same tube model category.

• High purity carbon black coating inside tubes
• Graphite plate
• Gold coated base
• Gold coated pins
• Solid 4-pole structure for safer handling compared to other structure types
• Glass enclosure diameter 64mm (fat bottle tube)
• Sold in matched pairs