Could be the thorens motor? I used to have a td320mk2. Only unwanted noise came from this part. It might amplified by the plint, table it connects on.
There seems to be a modkit for mk125..
There seems to be a modkit for mk125..
Rumble question- Thorens/black widow
Hello, I've been a reader for a while but this is my first post. Thanks in advance for any help/advice!
my turntable makes a very soft rumble sound mostly audible between the tracks or in very soft passages of music. I know the noise floor will never be like a cd but I would like to address this as I don't hear it in my previous turntable which is a cheapie.
I have a thorens td125mkii w an infinity black widow tonearm. I suspect the sound is actually due to the tonearm. That's because it seems to be microphonic, because if I gently rub my finger on any part of it, you can hear the gentle rubbing sound get picked up. This is the first black widow- it doesn't have damping trough.
-do you think the rumble is from lack of damping or maybe not?
-can I diy damp the arm easily to test it?
-or what else might be the problem? It has original wiring but theres no hum or feedback at all.
Thanks and sorry if this post was long!
-David
my turntable makes a very soft rumble sound mostly audible between the tracks or in very soft passages of music. I know the noise floor will never be like a cd but I would like to address this as I don't hear it in my previous turntable which is a cheapie.
I have a thorens td125mkii w an infinity black widow tonearm. I suspect the sound is actually due to the tonearm. That's because it seems to be microphonic, because if I gently rub my finger on any part of it, you can hear the gentle rubbing sound get picked up. This is the first black widow- it doesn't have damping trough.
-do you think the rumble is from lack of damping or maybe not?
-can I diy damp the arm easily to test it?
-or what else might be the problem? It has original wiring but theres no hum or feedback at all.
Thanks and sorry if this post was long!
-David
- ...
- 15 posts total
What cartridge are you using? That arm has a super light mass of 3 grams! http://www.theanalogdept.com/bw_adc.htm |
It may make sense to address the motor noise/vibration
first? Admittedly it has been a long time since owning a Thorens turntable, but
I don’t recall it having as much audible noise as you describe.
The first generation Infinity Black Widow tonearm with
knife-edge bearings requires the use of a low mass/high compliance cartridge
for it to perform at its best. (Back in the day think Micro Acoustics, ADC,
Grace, etc.) I would not recommend a “home brew” damping strategy. This does
not necessarily address your issue but should provide the opportunity for best
tonearm/cartridge performance.Watch those original wires, super fragile as you probably already know. |
- 15 posts total