Arcturus 6SN7GTB – NOS / NIB – 1960s Flat Black Plates – D Getter – 6.6 / 7.9 mA – USA

Listing details

Arcturus 6SN7GTB – NOS / NIB – Made in USA (1960s)

Flat black ribbed plates

Bottom D-style getter

RCA-style ladder plate internal structure

Includes original Arcturus box

Stored in climate-controlled conditions

📊 Tested on Triplett 3444:

Gm (Transconductance):

Triode 1: 2,250 Gm

Triode 2: 2,575 Gm

(Minimum good = 1,700 Gm, Average new = 2,600 Gm)

Plate Current (Ia):

Triode 1: 6.6 mA

Triode 2: 7.9 mA

✅ No shorts, leakage, gas, and verified low-noise

🎯 Excellent for high-fidelity tube preamps and amps:

Cary, Woo Audio, Atma-Sphere, Schiit Freya+, Rogue Audio, Bottlehead

✅ Ships fast, packed with care, and fully insured

💬 Ask about bundling with other NOS 6SN7s

Trusted seller — VTubeAudio

SKU (18-1 75887687)