How about the dealer who sold you the table/arm/cartridge? Proper set-up, operation, and your satisfaction should be included with the purchase and guaranteed.
Ground Hum with Rega RP6, Exact and TT PSU.
Greetings.
Just purchased a Rega RP6, Exact, TTPSU and I am getting a HELL of a hum. I am using an Aragon 47K Phone pre amp. I unplugged the wall wart and the cable which goes from the table and it is still there. I seems to get worse when I turn it on and the tonearm gets close to the center of the arm spindle and it picks up a lot of motor noise. Just sold a 28 year old Linn Axis with a Signet Cartridge and never had this issue with just the normal hiss associated as you turn up the volume. It's not noticeable a lower volumes but it is there during quiet passages and it is extremely annoying. The table sounds way better but the noise is very intrusive and honestly I am disappointed after dropping almost $2000. Thanks in advance
Just purchased a Rega RP6, Exact, TTPSU and I am getting a HELL of a hum. I am using an Aragon 47K Phone pre amp. I unplugged the wall wart and the cable which goes from the table and it is still there. I seems to get worse when I turn it on and the tonearm gets close to the center of the arm spindle and it picks up a lot of motor noise. Just sold a 28 year old Linn Axis with a Signet Cartridge and never had this issue with just the normal hiss associated as you turn up the volume. It's not noticeable a lower volumes but it is there during quiet passages and it is extremely annoying. The table sounds way better but the noise is very intrusive and honestly I am disappointed after dropping almost $2000. Thanks in advance
- ...
- 44 posts total
I would still ask about the 7mv. It can't hurt. Also think about the rest of your components and if you made any changes at all. Even if you don't think its related. Here's an example. Lets say your system sounds fine, and then you buy a new pair of speakers, and now you have the same noise issue. Your first instinct is to blame the speakers, but in reality, the problem may lie elsewhere. Its just as likely one of your source components has a lot of gain, If your new speakers are more efficient than your old ones, you can easily get the same noise. Nothing is broken, its just a system matching mistake. The above is just an example I made up so you don't overlook anything. Either way, there's no reason to worry, or get upset. Problems like this are usually easy to diag. |
I am not sure about the issue with the Exact having 7 mv. My old Signet had an output of 5.5 MV and never had that issue. I actually tried it at a higher gain and it just got louder with ZERO hum therefore I don't know if an extra 1.5 MV would cause this problem. To me it is obviously an issue with the table/cartridge. Thanks again for everyone's opinion. I just want stuff to work and not have to change a bunch of other equipment which works just fine. Best regards to all. |
Some carts are known for their hum problem as they get closer to the motor as the album plays on Rega TT's Grado is one cart I had to return for this very reason. Brands of Cart's I've had that do not have a problem on the Rega... Denon (my current pick) Nagoka Rega (of course - but not very good) Goldring You may get some reduction in hum if you place a grounded aluminum foil sheet/plate over the cavity that houses the motor - or better still place the foil tape used on HVAC duct work - inside the motor cavity and ground it. It really is a shortcoming of the Rega TT's I took the easy way out and replaced the cartridge Regards - Steve |
Hi, I recall a poster on Youtube with the same hum issue on his RP6 and TTPSU. His solution was to grab a length of wire, careful back out the left side, back screw on the TTPSU and apply the ground wire to the screw then place screw back in place. From such he then grounded out the TTPSU to his ground post on phono preamp and TA DA the hum vanished. Yes a thin ground wire does then stick out from the back of the TTPSU but his problem went away. Rega does not ground the TTPSU and on some cartridges the hum may be an issue. The Youtube video should be below. https://www.youtube.com/watch?v=CAY2rRsqHLE |
- 44 posts total