For any tube valve audio product from amplifiers to CD players that use the common 6922 tube/valve
Simple and easy drop-in replacement thanks to specially machined adapter
Hand selected and matched by computer after 48 hour burn-in
Ceramic adapter brings heater supply circuit noise sharply down
With iFi''s special rejuvenation process, we gradually bring the GE5670 back to life to continue the NOS military level of performance

Technical Details

Product Details

Package Dimensions
Width : 3.7 inch
Height : 1.9 inch
Length : 8.1 inch

Shipping Weight: 8 ounce (View shipping rates and policies)

ASIN : B018H1T928

Product Description

The 6922 tube/valve is one of the most famous ''dual triode'' designs and is ubiquitous. It has and is still, used in many tube/valve audio products from CD players to headphone amplifiers. First introduced by Western Electric in 1946 with the WE396A, from the 1950s onwards (and for the next 30 years thereafter) General Electric (and several other tube/valve manufacturers) followed Western Electric with their own premium version of 6922. This range had controlled warm-up and tight specifications on grid-current, noise and microphony. The result, significantly smoother and more organic sound qualities. While the 9-pin design was used, the electrical pin outs changed. As such, the GE5670 was not a straight ''drop-in'' substitute for the 6922. So the GE5670 remain unloved and unused until......2014 when iFi brought out the iTUBE tube buffer/pre-amplifier. From our research of the tube inventories around the globe, we found the GE5670 to be in supply and with surprisingly good sound. While the iTUBE was designed from day one with the GE5670 in mind, we found that customers really liked the GE5670 in the iTUBE but they wanted more...yet because of the different electrical pin configuration, the GE5670 was a no go. The iFi solution was to machine-fabricate a special ceramic adapter with a miniature capacitor circuit to bring heater supply circuit noise (a common issue) sharply down.