I would tend to go with Silvered Micas for the pF capacitors. Film capacitors may add some inductance you don't want. Film should be OK for the decoupling capacitors like C62/63
After finally setting up my listening room and using the Cewin Vegas, I really don't like the sound of the new NJW1302 and NJW3281 devices and the new 2SA1943 and 2SC5200 devices DRM used in this kit. I decided to use the new heatsink and drill/tap new holes and put the original output devices back in. They are the DAT1018N, DAT1018P, DAT1521N and DAT1521P. I also put the original Large 100v PS filter caps back in.
It now has a way better sound and not so harsh. Maybe with a better selection of replacement devices, it may have been better but It sounds fantastic with the originals back in. Glad I went through the pain of doing it...
It now has a way better sound and not so harsh. Maybe with a better selection of replacement devices, it may have been better but It sounds fantastic with the originals back in. Glad I went through the pain of doing it...
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Ok, I know this conversation is dated but... New to this group, obviously. I purchased a Kenwood Basic M2 in Japan in the early 80s to drive my Sansui PM-C200s (only released in Japan). Long and short of it is, sometime in the late 80s I shorted a speaker output, damaging the Sanken DAT transistors for that channel. I had it repaired at a stereo shop and it worked flawlessly for another 10 years before it happened again! At that point the entire setup went into the attic. Fast forward, my daughter developed an affinity for vinyl. We began buying old vinyl together at sales, used stuff stores, etc. Now I need something to play them on. So I pulled the old setup out of the attic, including my JVC QL-Y66F turntable. Now I need to repair my M2. I do have a smaller Kenwood amp in the interim but it does not compare to the M2. So the obvious question is... Is there an alternative to sourcing Sanken DAT1521N and DAT1521P transistors besides used on eBay? I know the drill. They were a specialty product produced for Kenwood and only used in the Basic M2 and Basic M2a. They have been out of production for decades and no data sheet was ever published. I am adamant about repairing this beast. Any insight is welcomed.
https://drmaudio.com/
He will rebuild it... Find out how much... He's a nice guy, I've talked to him on the phone
Or buy a used one from ebay or something and use the parts out of it.
Get it fixed. They don't make them like this anymore
Happy Holidays
He will rebuild it... Find out how much... He's a nice guy, I've talked to him on the phone
Or buy a used one from ebay or something and use the parts out of it.
Get it fixed. They don't make them like this anymore
Happy Holidays
If Dan at DRM is unable to help for some reason and you really and truly believe the outputs are the problem then let me know and I will send you a known good set of factory inputs. No charge. No shipping cost. Once again. If you know they are bad meaning you shorted them out and know that you did. Reason I say that is that I would just as soon keep them for someone who has only that problem and that problem alone and therefore will not short them out putting them in an amplifier with other trouble ruining them. Thanks, Jim.