![]() ![]() As the arm is every so slightly moved by the record groove, at angle, albeit slight, is created. Only trouble is, this design, while it may look like the arm is lined up, it actually must move by the turning tube that it drives it and there in lies the problem. The idea is that the arm will always be parallel to the record groove like the lath that cuts the master. Let's start with the heart of the turntable, the "linear" tone arm. Shame.Īhhh.the infamous Rabco, spawn from the depths of hell and designed by the Belsebub himself. You had a unit that needed help, and you tossed it out a three story window. 5 HZ? I don't know how your system is but I'd LOVE to see a speaker that could reproduce that 'sound'. Not on my, leveled, and properly adjusted machine.Īnd lastly, rumble. The arm is dragging across a few grooves? On whose? Even at the lead out, when the arm goes off angle after the music runs out, and the groove takes off to the center faster then the tracking, there is NO dragging at pickup. It's as close as you'll ever get to zero angle, and it's user adjustable. That exact angle is listed in the owners manual, something you would have probably looked at if you had any real experience with the machine and proper documentation at all. Well, you obviously know that the arm is connected to a roller, on a cylinder which turns, and the angle of the roller is the angle of the arm, right? All you said depends on that! But you're WRONGO!!! The tracking roller has it's own adjustment, so that when the arm is at 0 degrees, the roller is angled enough to move the arm at the average speed for an LP track. Our reviewer 'lesCrooge' says that there is no way that you can get zero tracking angle. Finicky to set up, yes, everyone agrees, but once you get a few rules down, you're having the time of your life. The sound is beyond reproach, and inner grooves will never sound anywhere as good on a pivot tracking arm. If you get your hands on one, fix it up! If you don't know how, ship it to me!! I'd love a spare. I LOVE this table, and I have been up to my elbows in it a few times, having the tracking all apart, so I know what it's about. There's a video on you tube.Īaahhh - an infamous reviewer, spawn from the fuzz that grows on ignorance.īut first. He was quite the inventor, first hard drive, letter sorting machines and it goes on and on. Interesting reading on Rabco, look up Jacob Rabinow, Mr. Any info would be helpful, service manual, etc. I still need to fix the pick up circuit, I'm hoping it is the relay. ST-5 motor with pulley on the 45 rpm speed with 2 O-rings is the correct speed. I had an HK ST-5 motor (300rpm) so after some experimentation got it to work good. I found an original motor but it was too gutless to move the platter let alone the roller. I had to replace the motor (600rpm) which squeaked. I also have an ST-4 which is a dinosaur by comparison to just about anything else but fun to play with nonetheless. I have never heard any noises coming out of the chassis so I think that can be attributed to the snob class of audiophiles. I've seen it said that the chassis rings, etc. I have a ST-5 solid aluminum roller that is waiting to be used if need be. ![]() I think my unit hasn't been used much before I bought it. I believe the rubber wheel turns to goo due to prolonged use due to the weight of the assembly it must move. In my table the roller wheel has not turned to goo yet. The ST-7 and ST-8 are optically triggered which is MUCH better. To put things in perspective, I have owned an HK ST-6 which I hated due to the end of record pick up mechanism, never worked correctly. ![]()
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