1 x NOS SpecialRed DualDGetter BlackPlate 5691 RCA USA Premium 6SL7GT GrailAudio
Specifications
| Return Shipping Will Be Paid By | Buyer |
| All Returns Accepted | Returns Accepted |
| Item Must Be Returned Within | 14 Days |
| Refund Will Be Given As | Money Back |
| Brand | RCA |
| Type | Preamp Tubes |
| Country/Region Of Manufacture | United States |
one of the highest ranked sound stages ever made, radio corp of america have a long tenured history for their sound reproduction this sought after dual dgetter black plate classic red 5691 reveals a lush tubey sweet sound stage w/ plenty of detail and warmthgreat vocals piano and jazz, the romantic air, tonal separation, and impact without being harsh, contributes to the collectible lorethis premium tube captures an ultra low noise floor, w/ top sonic echelon transparent resolution, and a full accurate mid-band a highly revered sonic darling of any sound system, the special red 5691 is a rugged industrial aviation / military grade 6sl7w/ long life at 10k+ hours, 100g shock proof, a low-loss miconol base, thick mica spacers, and slightly higher filament currentthe legendary black plate carbide coating radiates heat better, reduces plate temps faster, and enhances tonal characteristicspopular for a variety of 6sl7 applications including mfa luminescence, woo audio wa5/wa22/wa234 and wes, and more! full mutual gm conductance test: 100% w/ pristine balance ~ 825/845 gm micromhos where 800 is nos (see photos!)+ undergoes a complimentary refurbish and deoxit process ~ one of a kind value-added quality control+ important life test pass (longetivity indicator) + impeccable leak / short / gas test give several sessions or up to 150+ hours w/ your specific amps voltage to fully cure / break-inships well packed worldwide w/ free economy postage! ~ authentic vintage hifidelity audiophile preamp tube / power tube / mic tube curation by caliacoustics ~see our official web site for new arrivals + reserve/request options + true-nos sealed box rarities + limited run special editions + pinched waist collectibles
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