(!) 12BZ7 CBS NOS rebranded Raytheon NOS 1960's (1.5/1.9ma)

(!) 12BZ7 CBS NOS rebranded Raytheon NOS 1960's (1.5/1.9ma)

$ 19.99

1 low noise tube)  12BZ7 CBS NOS rebranded Raytheon black oval plates NOS 1960's

1.5ma Gm=2600

1.9ma Gm=2800




(Max ratings: 300Vplate, 1.5 watts)
(Vfil=12.6V @ 300ma)
(Typical Operation Class A amp: Vplate=250V, Vgrid=-2V, Ip=2.5ma, Rp=31.8Kohms, Gm=3200, Mu=100)
(The 12BZ7 has been subbed for a 12AX7 in some circuits)
(The 12BZ7 has 2 times the Gm (3200 versus 1600) and lower plate resistance (31K versus 62K)
and higher filament current (300ma versus 150ma) than a 12AX7)
(The 12BZ7 was designed primarily for use as a sync separator and sync amplifier
in television receivers. It is also useful in clipping circuits and as a general purpose
audio amplifer)

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