Philips

Philips ECC82 12AU7 Matched Pair - Dimple Disc Getter - Holland 1970/71 - NOS

$164.50 USD

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Product Summary

With strong NOS performance and practically same date codes, this special pair of vintage tubes are priced to sell! Many tube sound enthusiasts bought Holland 12AU7's as their first pair of vintage tubes to replace their JJ stock tubes...right here at Soundlumia's eBay store, and we believe it's the best choice they've ever made just like many others among us audiophiles.

Sound Characteristics

You get the wonderful Amperex Holland midrange presentation that is transparent, natural and expansive, with a slight touch of warmth that illuminates your musical world. The top end is super airy, smooth and nicely extended like one would expect from the best Siemens tubes, thanks to the very rare dimple disc getter on these tubes. Vocals are intimate, sweet and forward (but not right in your face.) Every piece of music you play through these tubes sounds like from a vinyl record, whether your sound source is phono or not. The sound stage is spacious and structured. Bass is incredibly deep but well controlled and feels as accurate as on the high end German ECC82's (Siemens, Telefunken, Valvo etc.) We would recommend these as an excellent alternative if you are seeking the high end 12AU7/ECC82 tubes that can deliver the legendary Dutch house sound flawlessly.

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: Woo Audio WA7 Fireflies (3rd gen) Balanced Headphone Amplifier

- 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 testing & sound evaluation

Both tubes tested NOS (100%+ nominal mutual conductance) on a reliable and regularly calibrated Mercury 2000 tube tester with the following results (mutual conductance both in uMhos and in percentage of nominal):

Tube 1: 3,190/3,100 (106%/103%)

Tube 2: 3,390/3,390 (113%/113%)

Good tubes start at 2000 and new tubes (incl. NOS/NIB) 3,000 - 3,100, and the Mercury 2000's rated mutual conductance (nominal) for new tubes is 3,000. Test result can also be seen in the pictures. In case you wonder what all these numbers mean to your sound experience, it's actually quite straightforward: mutual conductance directly translates to a tube's ability to amplify sound, so the higher these numbers the stronger.

Appearance & cosmetic condition