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These classic late 1950\'s thru late 1960\'s RCA tubes have tall gray plates and a large, side mounted \"D\" shaped getter. Many were branded for the keyboard companies such as Conn, Hammond, Wurlitzer, Lowrey, Baldwin etc. They are all the exact same tubes. Most tubes will have partial logos due to varying degrees of wear on the extremely fragile print.
All tubes come with a full 30 day, unconditional, no questions asked, money back or exchange satisfaction guarantee!
Test scores will average between90% and95% of NOS values.
Individual test scores will be written on the new white boxes that you\'ll receive at no additional cost with your purchase.
You are purchasinga\"Platinum Plus\" gradematched pair of tubes. This means that the plates are very tightly matched on a new, modern, digital, calibrated MAXI PREAMP 2 within5%.
These tubes were carefullyscreened by themanufacturers(Baldwin, Conn, Wurlitzer, Lowreyetc.)andspecially selected for theirlow noise and microphonic characteristics.
This makes them ideal for yourpreamplifier and phono stage applications.
Please see our other listings for\"Silver,Gold and Platinum\" tubes.
Silver Gradetubesare matched within 20%,Gold Grade within 15% and Platinum10%.
The Gold and Platinum Grade pairs arerecommendedfor more critical applications such asyour preamp andphono stage.
To purchase more than one pair, when available, simply change the number in the quantity box which is located just above the advertised price.
Please email with any questions and/or concerns.
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