(!!!) 6GM8=ECC86 SIEMENS HOLLAND NOS 1970 (3.9/4.4ma)
$ 19.99
1 low noise tube) 6GM8=ECC86 SIEMENS HOLLAND NOS 1970 (tn2 series, 2nd series)
1 section) 3.9ma Gm=5700
1 section) 4.4ma Gm=5800
tested on Amplitrex
- Wavelength Cosecant USB DAC
- Aikido preamp
- Cavalli Audio EHHA (Embedded Hybrid Headphone Amplifier)
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