while all our open tubes feature a proprietary value-added refurbish, sealed box true nos are the rarest crown jewels!
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direct germany import telefunken 7dj8 pcc88 preamp audio tube, old production unobtanium true nos sealed box collectible
great plugin sub for pre/amps that run through 6922/6dj8 fast, added fidelity for vocals and mics ~ the sonic top echelon
not to be confused w/ common production this is the warmest richest oldest most transparent holographic version ever made
w/ true nos always start w/ heater power at first, then b+ over time
give 100+ session hours w/ your specific amps voltage to fully cure
be careful w/ bench test until tube fully stabilizes as dormant cathodes are fragile
ships well packed worldwide, combined postage available
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~vintage hifidelity audio curation by cali acoustics~