Question about Technics SL-1200 Turntable
Bought a Dual 1009 turntable off Ebay. No audio from the new cartridge, only humming. Has the agravating clip style cartridge holder that clips in the tonearm headshell. Tried cleaning the contact clips & phono jacks under the turntable & connectors to the cartridge as well. Still no deal. Was concidering re-wiring the tone arm bi-passing the clip. No idea where the wires would go to anyway. I read cleaning these connections will resolve the problem, not so. Also, the manual play switch won't stay on, goes back to stop position & won't stay running. Thanks for any advice. Chas1
Trace all the connections to the cartridge. One way to do this is touching all audio input lines with a metal or screwdriver (holding the metal part and not the handle) while connected to the receiver with the volume turned up a abit to hear the 60hz humming sound. A louder humming sound will indicate a good connection path. Check also for good shielding of the audio wires to the cartridge. Generally, it's a wire problem troubleshooting.
WARNING!!! don't do this unless you know what you are doing. Don't ever touch the AC voltage wires OR someone will hum your mishap :-)
Posted on Jan 13, 2009
I can help with this issue. To keep the platter spinning in manual mode, you have to cue the tonearm up and move it so it is over the record. Then flip the lever to manual. It should stay on in this position. This is a feature and not a bug.
Regarding the audio / humming problem. The Duals had what was known as a muting circuit that engages as the turntable is cycling between rest and play. The fact that you are getting no sound may be an indication that the muting circuit is still engaged. Here are a few things you can try:
1. If the unit was recently shipped, you may need to reset the mechanical function of the turntable. You can do this by locking down the tonearm to the tonearm rest, turning on the power and then flipping the lever for a full automatic cycle. The tonearm will stay fixed to the rest, but the remainder of the mechanical system underneath will be reset to proper positioning (this is detailed in the Dual manual). Of course, this assumes that everthing was OK prior to shipping.
2. Make sure your cartridge is properly mounted with a good stylus, check your tonearm wires (both in the headshell and underneath the turntable and finally, see if you can get underneath the turntable while you run an automatic cycle to see what is going on.
Lastly, if you can't get it going, Check out Bill at www.fixmydual.com He worked on my 1019 and knows them inside and out.
Posted on Apr 26, 2009
a 6ya Technician can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repair professionals here in the US.
click here to Talk to a Technician (only for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
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Frequency Response 15-22,000 Hz
Channel Separation 23/17 (dB at 1 kHz/10 kHz)
Vertical Tracking Force 3.0 - 5.0 grams
Stylus Construction Bonded round shank
Output 5.3 mV at 1 kHz, 5 cm/sec
Channel Balance 1.5 dB
Stylus Shape 0.4 x 0.7 mil elliptical
Cantilever Alloy tube
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