Audiophiles vote these as the best-sounding top-rated Frame-Grid Construction CCa. These tubes are known for excellent performance, smooth highs, inner detail and overall resolution and balanced sound. Revered by many as one of the MOST DESIRABLE CCa - the HOLY-GRAIL of the E88CC family and one of the MOST DESIRABLE CCa.

Tube CCa or Röhre CCa ID19312, Double Triode, Noval, 9 pin miniature (USA pico-9) B9A and shown. Radio tubes are valves.

Audiophiles vote these as the best-sounding Frame-Grid Construction 6922 - even better sounding than Telefunken! These tubes are known for excellent performance, smooth highs, inner detail and overall resolution and balanced sound. Revered by many as one of the MOST DESIRABLE 6922 - the HOLY-GRAIL of the E88CC family and the MOST DESIRABLE 6922.

2015年3月31日 · As much as I found these tubes to be really special – I always had a nagging feeling that the best of the very best of the 6922's out there – like the legendary Siemens early 60's Cca's or the Amperex 6922 '60's Pinched Waists, even the amazing Telefunken E188CC's would be better.

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2022年11月19日 · 與Telefunken CCa並列最頂的E88CC/6922訊號管，價格也是 若前面的Telefunken E88CC是A類感，這支簡單來說就是 Accuphase的AB類 (前陣子才去聽P-7500，突然想到可以這樣形容)

2014年1月27日 · IMHO, the cleanest, best sounding alternative to that tube is a vintage Siemens CCa. Not just any Siemens though, got to find the yellow box with blue seal. This tube is the Holy Grail you seek, no doubts.

The CCa is a miniature double triode with an inter valve screen. The Siemens catalogue lists the applications that this high mutual conductance valve is suited to as:- A low noise universal twin triode for cascode, mixer and phase inverter stages, multivibrator and cathode coupled amplifiers.

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Below is our current selection of 6922 and E88CC vacuum tubes. There are several 6922 tube equivalent part numbers available. Vacuum tubes such as 7308 and E188CC are considered some of the very best but are less common. More rare, is the CCa preamp tube that was sparingly made by Telefunken and