Sunday, August 26, 2018 - 4:31 PM
Description: For some time we have been looking for a good headphone amplifier as a supplement to our BUF634 based one but this time preferably triode based, without output transformer...
Thursday, March 29, 2018 - 10:09 PM
Description: My brother and I are building a FM tuner with a Phillips FM1216ME_MK3 tuner module and 6H30 tube output buffer. The finished design have a nice sound and seems...
Sunday, August 13, 2017 - 9:39 PM
Description: My brother and I have build a preamplifier with 6H30 double triode in SRPP mode. We have chosen the same design we used in our tuner as we like...