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(slightly microphonic - good value) 5687 Raytheon black plates NOS "square" getter halo 1950's (37/39ma) (strong Ma and Gm)
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(slightly microphonic - good value) 5687 Raytheon black plates NOS "square" getter halo 1950's (37/39ma) (strong Ma and Gm)
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(slightly microphonic - good value) 5687 Raytheon black plates NOS "square" getter halo 1950's (37/39ma) (strong Ma and Gm)1 slightly microphonic low noise tube) 5687 Raytheon black plates NOS "square" getter halo mid 1950's 1 section) 37ma Gm=11,300 1 section) 39ma Gm=11,800 microphonics are low, only slight thump when tapping on tube in circuit Recommended for Manley Modwright Audio Note Ray Samuels Ayon Kondo Mastersound Audio Thrills Loth
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1 slightly microphonic low noise tube) 5687 Raytheon black plates NOS "square" getter halo mid-1950's
1 section) 37ma Gm=11,300
1 section) 39ma Gm=11,800
microphonics are low, only slight thump when tapping on tube in circuit
Recommended for
Manley
Modwright
Audio Note
Ray Samuels
Ayon
Kondo
Mastersound
Audio Thrills
Loth
(slightly microphonic - good value) 5687 Raytheon black plates NOS "square" getter halo 1950's (37/39ma) (strong Ma and Gm)
Item no
:
10147693313
US$ 24.99
Pay in 4 interest-free payments of $6.25 Learn more
Min. order:
1piece
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 20 - Jun 25
US$40
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