Musical Fidelity X10-D heavy mod
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Here are some tweaks to cure this device from its weaknesses:
- Bypass Power Rail with :
4.7µF MKP 400V
10µF Elna Starget 35V
470µF Elna Starget 35V
1000µF Elna Starget 35V
make this twice (one for 0V - 36V, one fore -36V - 0V ; beware of polarity when using chemicals!!). - Change the four BC327-25 for medium power audio transitors BC640.
- Change 1N4007 rectifiers for BYW 98-200 ultra fast recovery diods (bypass each diod with ‘104′ ceramic capacitors).
- Add a simple ’snubber’ on the power input accros the transformer’s secondary (use a 1KV ‘103′ cap).
- Change all caps for better ones (went to ELNA Starget and Panasonic FC caps — don’t forget to remove all plastic caps) + blu-tac.
- Bypass all red caps with 390pF MKS polystyrene caps.
- Go from stock ECC88 to at least TFK PCC88, or even E288CC (siemens or TFK) (they just sound gorgeous on my system) - do not hesitate to tube roll for finding your favorite one !
- Remove the red power led (if you don’t like power waste and noise).
