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Pioneer PL-L1000 Rubber Mat Specs

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TruthSpinner

New Member
I have a Pioneer PL-L1000 with an un-original platter mat. It seems that the mass of the used mat plays a role in the balancing of the dampening system. Thus, I am looking for a replacement mat that will fit the bill.

Can anyone tell me the exact width and weight of the original rubber mat?

Does anyone have good suggestions for a replacement that works well?
 
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That’s the first I’ve ever heard about the mat playing a critical role in the dampening. The rubber shocks, yes, but the mat? No.

Your best bet is to watch eBay for a replacement, or stick with what you got. Mine came with no platter mat, so I’ve used a Hudson Hifi acrylic for a couple years now, with zero complaints and a lot of compliments.
 
Not sure if it'll work for your situation, but I'm using a cork/rubber mat on my AT TT and am quite pleased with it. It's not expensive either.
 
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The mat can damp platter resonances (ringing) while helping to terminate platter reactive resonances into the platter mass, so yes, it can be a critical part of the turntable sonic performance.
 
Quoting professor Bizzt, who sells replacements for the rubber spring boots on the PL-L1000:

“Did you know that if you use a lightweight mat instead of the original mat, the suspended lower plastic sub-chassis could ride too high and mechanically short circuit to the top plinth destroying normal suspension operation?“

If this is true, then the weight is important.
 
Tapping the platter at the rim with/ without the mat can tell one how effective the mat is for damping the platter ringing. The mat should be loose coupled by its mass only to the platter, no adhesives, no sticky tape. The platter ringing would more or less add a metallic "sheen" to the playback sound. I use a Michell reflex clamp on my PL-L1000 to couple the record to the loose coupled mat mass.
 
TruthSpinner said:
Quoting professor Bizzt, who sells replacements for the rubber spring boots on the PL-L1000:

“Did you know that if you use a lightweight mat instead of the original mat, the suspended lower plastic sub-chassis could ride too high and mechanically short circuit to the top plinth destroying normal suspension operation?“

If this is true, then the weight is important.
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Can be checked by testing the suspension with the subject mat and a typical record on the platter. Too heavy, it bottoms with no bounce, too light it tops out and only moves down with pressing the spindle down and tops on the rebound.
 
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Pio1980 said:
Can be checked by testing the suspension with the subject mat and a typical record on the platter. Too heavy, it bottoms with no bounce, too light it tops out and only moves down with pressing the spindle down and tops on the rebound.
Click to expand...

Thank you for the tips. Clearly a clamp may be another path to balance, if the mat itself is not enough.
 
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