Siemens

2x Siemens E88CC = 6922 Silver Shield BWB "Falcon" - Munich A6 4B/5B - Strong

$284.00 USD

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Product Summary

Stronger than time! This is the classic beauty in sound, admired by audiophiles for more than 60 years and will still be our top choice in the next 60 years. The legendary Siemens tone is considered the "reference sound" for serious classical listeners who need to upgrade the sound quality at phono stage.

Sound Characteristics

The airy and transparent sound produced by these vintage Siemens tubes has been unrivaled even to this day. The magically extended yet never tizzy highs, coupled with the slightly focused upper mid-range, deliver a clear presentation of the entire frequency spectrum, completed by the precise and deep controlled bass. And the most defining sound characteristic of Siemens E88CC tubes is their ability to retrieve the deepest levels of detail in sound, and these hidden sonic layers can go a long way to revealing the subtle ambient clues that help complete building a truly 3D holographic presentation. While as quiet and analytical as the best Telefunken E88CC tubes, Siemens E88CC's produce a warmer, smoother and more musical sound. To see how they compare to each other, please also see Soundlumia's exclusive Telefunken E88CC listings.

Professional Sound Evaluation

The pair worked wonderfully and sounded terrific in our professional studio setup for monitoring.

- Input: Cambridge Audio CXC V2 dedicated CD transport + Schiit Audio Bifrost 2 Multibit DAC

- Amplification: Liquid Platinum Tube Amplifier by Alex Cavalli

- Output: Focal Clear MG Pro open-back headphones

Our full tube sound review was written 100% based on the actual listening experience while this pair of tubes were running in the system described above.

Professional Tube Testing

This set was tested and certified by RoeTest V11 tester with the following result:

Tube 1:

Measured transconductance (GM): 12.19/12.56 mA/V - 98%/100% (100% = 12.50 mA/V)

Measured plate current (IA): 15.629/15.314 mA - 104%/102% (100% = 15 mA)

Tube 2:

Measured transconductance (GM): 12.18/9.69 mA/V - 97%/78% (100% = 12.50 mA/V)

Measured plate current (IA): 14.429/13.019 mA - 96%/87% (100% = 15 mA)

NO shorts, leakage or gas. NO noise or microphonics.

Curve trace is also included in the original RoeTest report.

Appearance & Cosmetic condition

Despite some loss of paint on one of the tubes, this pair overall is in great cosmetic condition. The 3-line Munich date codes etched on the glass are visible on both tubes although you may need to look closer to see them completely: