A different angle on things...
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A different angle on things...
http://i42.photobucket.com/albums/e3...1/DSC00582.jpg
Hi Richard - Not surprised the 6750 sounds good, the 6750 / 8750 do look like they were built to be proper 'audiophile' decks. I've promised myself a 8750 one day as a second deck with my 1210 which is an absolute keeper. Wait til you here your 6750 with the 2M Black on board. By the way, how easily is vta adjusted on the Sony's ? as vta/sra is vital with the Black. :)
Hi Robert - we had the Black playing in the Sony at Scalford but because of the hum issue with the deck only managed to play 3 or 4 tracks. Even with the thing only roughly set up (ie only vtf/vta were set) it was clearly obvious the Sony is a wee bit special.
One thing which made me smile is the platter as it slows - it's not particularly heavy (not that much more than the 1210's) but as it has no electronic brake, it just spins down under its own momentum. Takes ages to stop, and a good sign as to the lack of friction and quality of the main bearing - the housing in which it sits is engineered on a large scale and no doubt a sign of the good things within.
The deck itself is in pretty good condition - as is often the case with these old things the lid's not in its first flush of youth with cracks at the front and back. Still, its solid enough and has the 'anti-static grid' in the top. Basically what looks like a heated rear window over the path where the tonearm would travel across the record. Don't expect it does much but it's a nice touch.
All I need for it now is a decent headshell - probably not the Sumiko as I'd try to keep mass relatively low but would need adjustable azimuth as I found the 2M Black is extremely sensitive to getting it bang-on. The arm's not earthing quite right either, touch the bearing housing and there's a rise in the faint buzzing but I'll hopefully be able to get Richard to have a quick look at it when he's in the area soon. As to adjusting vta you'll see in the above picture a bit of sticky tape on the side of the plinth - under this is a small 'key' (basically a tiny Allen key) which is inserted into the arm pillar, which then can be released for height adjustment. The key sits in its own small hole in the plinth but was taped down for transportation.
All in all another previously (for me) undiscovered gem. :)
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Nice one Richard - You'll absolutely love the black when it's bang on, trust me. I've said loads of times how sensitive this superb cart is to vta/sra which you've also found along with a few of the other guys - It's all worth it though, hence I love the on da fly vta adjust of the Techie because you can literally do it whilst spinning a tune, turning ever ever so slowly whilst listening and eventually, wow !, you here that she's there - beautiful. :)
:)Richard, on a slightly different note, l see the SONY has a detachable IEC, have you experimented with different power cords?
Hi Andy - not realy experimented as such, but am using a MCRU cable (the 30 quid one) at the moment. Not sure it's ideal though as the cable's quite stiff, maybe something more flexible would be better for using with a turntable, less likely to affect any flexibility in the turntable's feet for example.
Richard. Didn't get a good look at the Sony at the show but remember you saying how much better than the Technics it is. From the photos I am not surprised. It is far more substantial. The platter looks massive and the arm appears to be a quality job. I'm sure if you could get the power supply off board this could be a winner. The hum sounds like just a bad earth connection between arm and deck.
Paul.
Hi Paul - yup, I too amm 99.9% sure the buzz is down to a failure (or intermittent of) the arm's earthing paths. Without a cartridge/headshell fitted there is no hum at all - just the faint 'wooosh' from the phonostage noise when the wick's turned up.
Insert the headshell and it buzzes - quite faintly most of the time - but touch the bearing housing on the arm and the buzz gets a lot louder. Touch the pair of bearing screws on either side and it's louder still. Take a short piece of wire, touch one end to the bearing housing, the other one touching the outside of one of the RCA leads' plugs (for an earth) and the buzz virtually disappears, even when touching the bearing housing again with my hand.
Fortunately the arm's fitting is identical to that on a PL71 ie 5 wires (2 pairs for signal, one single wire for arm earth) coming from the arm base, going to a tag board then onto the RCA outs via a pair of screened signal cables. Will get J7 to re-wire the arm and make sure it's earthed properly; I'm thinking the arm's earth from the headshell end is duffed. Whatever it is, Johnnie will be able to fix it. :)
Got the 2M Black fitted now and Jeez this thing's good!! :)