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(microphonic tube) JRP-5687 Raytheon NOS black plates D getter NOS 1957 (31/31ma)

(microphonic tube) JRP-5687 Raytheon NOS black plates D getter NOS 1957 (31/31ma)

$ 14.99

1 microphonic tube) JRP-5687 Raytheon NOS black plates D getter NOS 1957 in white box, reddish-orange printing, from factory bulk pack of 100

1 section) 31ma Gm=9800

1 section) 31ma Gm=10,000


good as driver tube or output buffer tube

 

 

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