This change alone was responsible for a huge increase in resolution in the mid and high frequencies. All within about an inch of each other. Many thanks to the FMtuners group and to the TIC web site I mean the folks of course for ideas, suggestions, advice and pointers.
Doing an IF "sweep" at I used the inexpensive Foreplay tube preamp circuit as the final gain stage and added a fuse holder on the rear to offer some protection to the electronics of both circuits. I also noticed that the long audio output PC traces run right past the power supply - ouch. Reception is darn good too, with three stock filters, but not super selective.
Bill Ammons can supply both the adjustable negative voltage regulator board and the op-amp adapters which are socketed for Burr Brown OPA and similar ICs. Everything makes a difference. The replacement op-amps and caps address any quibbles about the audio output section. I checked for proper polarity using the original plug, marked positions hot and neutral inside the chassis and installed an IEC, followed by the normal snubber circuit.
Power supply - Raise the transformer off the chassis with rubber grommets. Cleaned the plexiglass display window on both sides and the background frequency numbers and polished the frequency pointer. Most of you out there know what you like and want. Cleaned and polished the aluminium faceplate.
But think about why. These were mounted above the original ones. As far as I recall there is an additional cap of 10??? I did not raise the transformer off the chassis as in the mod, because this transformer seemed to run hotter and I figured it needs the chassis to help dissipate heat.
The wide frequency response, relaxed clarity and see-through ability on live transmissions has to be experienced to be believed, and is far beyond tuners like the KT, KT or KT KT also when modified.Car Battery Terminals Corrosion Silicon - Solar Panel For 12v Battery Car Battery Terminals Corrosion Silicon Interstate Batteries Deep Cycle Maintenance 24 Volt Battery Charger Marine Exide Marine Batteries Dual Purpose.
Reviews and photos of vintage stereo tuners, including Kenwood, Sansui, Pioneer, McIntosh, Yamaha, Accuphase, Onkyo, Denon, Rotel, Technics, Tandberg, Magnum Dynalab. Black electrical wire is used for power in all circuits. Any circuit's black wire should be considered hot or live.
Black wire is never used for a ground or neutral wire and should be used as the power feed for a switch or an outlet.
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This is a much beaten-up subject. Hardly a day goes by that on some ham radio board or reflector there isn't a question about “station grounding.” Funny part is, the subject's been so discussed, that anyone asking a question must have not been paying attention for the past several (fill in: days.Download