Originally developed by tungsol themselves, the 5687 series are legendary for their pure sound reproduction. established in 1907, tungsol usa is a highly regarded tenured manufacturer, truly collectible and sought after for good reason.
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Originally developed by tungsol themselves, the 5687 series are legendary for sound reproduction. established in 1907, tungsol usa is a highly regarded tenured manufacturer, truly collectible and sought after for good reason.
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Crown jewel early panasonic! highly revered for their incredible sound reproduction, and often compared to mullard sonics.
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Legendary tall glass 12bh7a, popular 12au7 ecc82 plugin subs, w/ many listeners hearing less distortion and a better signal. full mutual conductance gm test + leak/short/gas/life/sound checks, pristine balanced pair w/ nice silkscreens visible.
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114/114~115/116~114/116~112/118~108/107~106/105 % gm (65 % good) (cifte pair sold). accurate fast bass impact, and a natural top-end, all contribute to the collectible lore of mazda france. + also includes 1x freebie pin protector and 1x harmonic-distortion dampener.
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4 x black aluminum knobs used on vintage Spectra Sonics consoles and modules, used, with moderate wear. Diameter: 0.93”
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Introduced in 1948 by tungsol, the 5687 was designed for avionics (arinc), high transconductance for industrial and military use. the top sonic echelon 5687 black plate tungsol usa are grail ranked for their legendary holographic warm sound reproduction.
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Crown jewel early panasonic! highly revered for their incredible sound reproduction, and often compared to mullard sonics. full mutual conductance gm test + an impeccable leak/short/gas check and our life test (key longetivity indicator).
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