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(!!!!) (Best Single) ECC33 Mullard gray plates "D" getter halo NOS 1961 (9/9ma) 1-2% section balance
(!!!!) (Best Single) ECC33 Mullard gray plates "D" getter halo NOS 1961 (9/9ma) 1-2% section balance
$ 329.99
1 low noise tube) ECC33 Mullard (Blackburn UK factory) oval gray plates "D" getter halo NOS 1961 very good printing
1 section) 9ma Gm=4200
1 section) 9ma Gm=4300
Good mA range = 7-10mA
Good Gm = 3200-3600
- Sonic Comments: "the ECC33s sound great - big, expansive and very clean and open"
- Best sub for 6SN7GTB
Vfil=6.3V @ 400ma
Maximum ratings: Vplate=300V, Vfil-cathode=100V
Typical operation:
Vplate=250V
Vgrid = -4V
Iplate=9ma
Gm=3600
Mu=35
Rplate=9.7Kohms
Rk=450 ohms
Recommended for:
- Bada PH-12 headphone amp
- Eddie Current Balancing Act
- deHavilland Ultraverve
See more: vacuum tube
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 (Best Single) ECC33 Mullard gray plates "D" getter halo NOS 1961 (9/9ma) 1-2% section balance "Pin It")