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This matched pair of Philips Miniwatt SQ manufactured in Holland in 1964 (typically Heerlen Plant) is a highly coveted, ultra-low-noise double triode vacuum tubes featuring gold-plated pins. This pair was purchased new by me from Brent Jesse RECORDING & Supply in 2005 and are truly NOS never having been used!
Key Specs & Features
Type: Double triode (equivalent to 7308, premium upgrade for 6DJ8 / E88CC / 6922).
Quality Grade: SQ (Special Qualty) designating long-life, rugged, shock- and vibration-resistant construction with anti microphonic design.
Sound: Similar to Siemens CCA but with a bit more midrange warmth.
