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matthew-levi

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About matthew-levi

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  1. Does anyone has any experience in upgrading the trafos on the SRD 7 and what were the results. Interested to hear any experience out there.
  2. The transformers in SRD 7 are not isolation transformers. I have measured the input voltage (from the amplifier loudspeaker terminal) and the SRD 7 transformer output voltage to the earphone. I put a 1Khz 1 volt input into the transformer and the output is about 36 volts. So its a step up transformer.
  3. I am new to this forum, so if the question below have been answered, please bear with me, and help point me to the post. I have an Stax Lamda and SRD 7 combination. Recently I opened up the SRD 7 to take a look inside and found the two transformers quite anaemic. I thought may be the performance of the SRD 7 could be better if we use a better transformer. I am using an Audio Research VS115 power amp to drive it. Looking the schematic, it looks look the transformers are like tube output transformers. Does anyone have any idea about what spec those transformer would be like, primary impedance (facing the loudspeaker output from the amp) vs secondary impedance (facing the stators). Would a 10K : 8ohm push pull output transformer be suitable for this, just want to experiment. Any advice would be appreciated.
  4. I have an Stax Lamda and SRD 7 combination. Recently I opened up the SRD 7 to take a look inside and found the two transformers quite anaemic.I thought may be the performance of the SRD 7 could be better if we use a better transformer. Looking the schematic, it looks look the transformers are like tube output transformers. Does anyone have any idea about what spec those transformer would be like, primary impedance (facing the loudspeaker output from the amp) vs secondary impedance (facing the stators). Would a 10K : 8ohm push pull output transformer be suitable for this. Any advice would be appreciated.
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