(!!!) 6GM8=ECC86 Amperex Holland NOS 1975 faded printing (4.0/4.5ma)
$ 21.99
1 low noise tube) 6GM8=ECC86 Amperex Holland NOS 1975 faded printing (tn4 series)
4.0ma Gm=5800
4.5ma Gm=6500
Tested on Amplitrex
- Wavelength Cosecant USB DAC
- Aikido preamp
- Cavalli Audio EHHA (Embedded Hybrid Headphone Amplifier)
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