I just completed the restoration of a Nakamichi 582 cassette deck, it had four NJM4558 opamps, I pulled them and installed sockets. Now I have NJM5532 in there.
I understand the PNP/NPN difference on the inputs between a 4558 and 5532 (the 4558 is PNP input, 5532 is NPN). My question is where...
I have a 20 year old Acer Aspire that I loaded Daphile on and have used it with an Emotiva preamp (I sold the Emotiva) via USB.
Now I have a Geshelli Labs J2, with USB, coming in which will go to my main preamp.
I will be streaming Tidal and/or Qobuz and wonder if getting a Wiim Pro to use for...
I am working on a Rogue 88 amp for a friend and am wondering why the NFB circuit is controlled by a relay. Every amp I have worked on before always had a direct connection from the output to the input cathode. To me it looks like when the relay is engaged the output is shunted to ground.
The...
I want to get an EQ to play with, it will go between my DIY 3wpc tube amp and DIY tube preamp.
I will build one if I can find the right circuit (I can build from a schematic) or buying one is ok too.
I use different sources and want to be able to tweak the sound better. I am not interested in...
Hi everyone, being a new member and a believer in all formats I don't see much about the lowly cassette deck on this site (unless I am missing it).
There is a reel to reel forum, which is great, but some of the higher end cassette decks can come close to open reel or turntable quality.
I have 3...
I am a new member and this is my first real post, other than the intro thread.
My main hobby is refurbishing non-working gear or building from scratch.
I just completed repairing this JVC TD-V711 cassette tape deck (JVCs 1988 attempt to compete with the Nakamichi Dragon) that had been dropped...
I am an avid audiophile and DIYer. Spent 2 years in electronics school in the 70s, passed the associate CET and licensing exams, went back to school later and got into lab medicine (cytology).
I am semi-retired now and use my electronics training to build and modify gear. I am home brewer in...