Optonica amplifier recap
Few months ago my son and I, we picked up an Optonica amplifier for his stereo system. Previously, he was using a not so vintage monster receiver from the early …
New and improved DBT – dim bulb tester
After seeing a post on Audiokarma.org forum, I have decided to upgrade my super basic DBT (dim bulb tester) to a fancier version. What’s a fancier version you may ask? …
Car stereo – convenience switches
This is sort of audio related. I have an after market touchscreen headunit in my car. It is a basic Sony radio with just enough features that I need. I …
Phono cartridge upgrade – going from AT3600 to Nagaoka MP-110
My Denon turntable came with the rebranded Audio-Technica AT3600 cartridge. While it was a decent performer, the cart is just plain low budget one so after a while I have …
Refoaming Boston Acoustics T830 woofers
A couple of years ago I heard the Boston Acoustics T830 towers at one of the AudioKarma forum meetups and remembered them as an easy listening and non-fatiguing speaker. They …
GE portable record player
A few months ago, I came across a General Electric portable record player. I took it home, cleaned and tried to run. Besides the loud motor, all was in good …
Refoaming speakers – Advent Tower II
A while ago, I brought home Advent Tower II speakers. Simple two-way design in a small tower box. The woofer’s surrounds were shot so I did not even test the …
Replacing speaker selector lamp in Onkyo Integra M-506RS amplifier
My latest addition to the stereo system, an Onkyo Integra M-506RS amplifier, had a speaker # 1 bulb out. After removing top and bottom panels, additional four screws hold the front …
Replacing supercapacitor in Onkyo Integra T-4087 tuner
If you have an Onkyo Integra tuner that has memory problems, the culprit is most likely a supercapacitor that Onkyo used to provide power for preset memory when unit is …
Kenwood KR-6160 receiver
This time, in my endless rotation of audio equipment, I got Kenwood KR-6160 receiver. I bought it because it had MIC input (two actually) which allowed me to have some …