Best 211 listed at211

211 Power Triode (click on links below to check stock) 211 GE 1942-1943 211 RCA 1941-1943 211 / 211W / 38111A United 211D / 211E Western Electric
211 GE 1940's (excellent 211, 3rd best in overall sound behind RCA and United) ** ALL 211 tested at 900VDC for correct plate current flow and no grid current ** - Air Tight ATM-211 - Cary 805 - Navison - Cyber Consanance - Ongaku - Tektron - Tron - Jolida JD-3000A - NAT Audio Se1, Se2Se, Se3 (Serbia) - Wyetech - Coincident Dragon MK 2 (Vplate=630V, Vgrid=-30V, Iplate=85=100ma on average, 211 can last years) TO BUY 211 GE pairs
211 GE DISPLAY TUBES: -------------------- 1 display tube $15) 211 GE used/1940's, tube is weak with faded getter 1 display tube $15) 211 GE used/1940's, gassy tube with faded getter 1 display tube $15) 211 GE used/1940's, low emission and faded getter (19E3) date code 1 display tube $15) 211 GE used/1940's, low emission and faded getter (73F4) date code
211 RCA Radiotron 1941-1943 (reference 211, smooth and rich tone, wide soundstage) - Kondo Ongaku - Wyetech 211 - Audio Note - Cary TO BUY 211 RCA

38111A United 1940's = 211 United (38111A=211 with low capacitance, rare type) 0)
211 / 211W United 0) 211 United 0) 211W United
211E Western Electric 1920's (211 GE NOS specs: Vplate=630V, Vgrid=-15V, Iplate=85-95ma, Pout=60.7W) TO BUY 211D
1 tube $1395) 211D WE brass base like new 1920's with 211D WE data sheet in original 211D WE box (91ma)
211 SPECIFICATIONS Length = 7 7/8" Dia = 2 5/16" Bulb Shape = T18 Vfil= 10V Ifil = 3.25A Mu = 12 Max Ratings = 1250V, 75 watts Class A AF amp Typical Operation: Class A 1 tube Vplate = 1000V Vgrid = -61V Peak AF grid voltage = 56V Iplate = 53ma Gm = 3150 Rplate = 3800 ohms Load Resistnace = 7600 ohms Power Out (5% 2nd harmonic) = 12 watts 211 will have different ratings if operated in Class AB, Class B or Class C