JVC QL-7 plinth question

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orthobiz

Re: JVC QL-7 plinth question
« Reply #20 on: 26 Jun 2013, 10:30 pm »
Qup at Gene Rubin Audio . com.

On eBay all the time. Usually a discount of 10 percent if you order from him direct.

I have no experience with the product, but I bought my Audio Desk record cleaner from him.

Paul

Cheeseboy

Re: JVC QL-7 plinth question
« Reply #21 on: 26 Jun 2013, 10:55 pm »
I  JVC QL-8 and I love it.  The JVC QL-7 is vastly superior to the aformentioned Technics. 
There is nothing wrong with Q-Up.  Works great.

JackD

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Re: JVC QL-7 plinth question
« Reply #22 on: 26 Jun 2013, 11:25 pm »
The Q-Up is a remanufacturing of a Thorens product from the 70's.  It seems to work fine if you have room between the tonearm mounting position and the platter, though it can apparently look scary to see the tonearm go flying up.  Never tried one as I have a AT Safety Raiser and Expressimo Lifter around here in a parts box.  I think they are around $60 and you can buy from the manufacturer or from a dealer.  On the Q-Up website there are mounting minimum distances and even a template you can print out and see if it will work before you order.

Jack

WireNut

Re: JVC QL-7 plinth question
« Reply #23 on: 29 Jun 2013, 06:07 pm »

Filling it with clay with help the sonics...but didn't help with microphony.  I tracked that down largely to the particleboard bottom.  It acts as a huge bellows for sound bouncing waves back in and around the deck and more problematic at higher volumes.

Leaving the particleboard bottom off entirely actually helps....otherwise, what I did to greatly help was the use a heavy mastic-type, damping spray on the bottom board (both sides best).  Once dried, replace the stock feet with something more effective...the best combo I came up with is Herbies' Tenderfeet on the table bottom, under that are 4 brass toes pointed straight down into a 3" thick maple platform.

Has anyone tried putting acoustic foam underneath a TT to try and keep sound from bouncing around under the deck. Seems like it would help although the table might have to be raised depending on the thickness of the foam.