808_state
Super Member
Wow, almost identical to a GT-2000. Any ideas on "FG out"?
Yamaha GT-2000 Turntable Social Group
- Thread starter timofred
- Start date
Wow, almost identical to a GT-2000. Any ideas on "FG out"?
Tekniknissen
Active Member
Not sure if the tonearm is the same length as "the normal YA-39" as we know it. It reads YA-39 on the top but the foot seems to sit closer to the platter in some strange way. Even the counter weight adjustment tube looks different.
FG out might be some output for a strobe device to clock the speed I think. Normally FG stands for Frequency Generator or Generated. FG servo means that a chrystall's high frequency (f.ex 12MHz) is divided down to a low frequency (f.ex 50Hz) that is then compared from the pulses coming out from the detector inside the motor assembly. Then there is some sort of PLL (Phase Locked Loop) that tries to always keep the same phase between the generated frequency and the speedpulses from the motor. If it differs then the PLL circuit adds or lowers the power to the motor to keep the exact correct speed.
FG out might be some output for a strobe device to clock the speed I think. Normally FG stands for Frequency Generator or Generated. FG servo means that a chrystall's high frequency (f.ex 12MHz) is divided down to a low frequency (f.ex 50Hz) that is then compared from the pulses coming out from the detector inside the motor assembly. Then there is some sort of PLL (Phase Locked Loop) that tries to always keep the same phase between the generated frequency and the speedpulses from the motor. If it differs then the PLL circuit adds or lowers the power to the motor to keep the exact correct speed.
brunomarcs
Well-Known Member
One more question, what do you think it’ll go for? I’m the high bidder for now but really don’t need to become a collector, no other reason to own one other than to compare to the gigantic and tremendous model.
ateal
Super Member
I think it will get to $700 but i hope you get it for your current bid
If you do get it for a cheap price I would love to see you create another masterpiece. Maybe this time in a dark african wenge
brunomarcs
Well-Known Member
I have a sheet of 4’ by 8’ rosewood I want to use on the next one. Why not get an authentic GT rather than a want to be! Someone could’ve cobbled something together with this one in an attempt to defraud us? I doubt it though!
808_state
Super Member
One of the MC-100 carts I have is likely a prototype with a black underside and longer aluminum cantilver. It's too clean to be a re-tip.
I concur with your speculation.
Tekniknissen
Active Member
Anyone who know if the YDS-3 is coated with some plastic feeling lacquer? Mine isn't anymore 
. Took me some 4hour at the grinding machine to get this mirror finish I wanted. I thought it would be a shame to alter this old piece but it looked awful when I got it home today from ebay. Patina was the sellers argument. I thought it should look better this way.
First original pics from ebay:
Now only the Yamah sticker that needs some attention too in the near future.
. Took me some 4hour at the grinding machine to get this mirror finish I wanted. I thought it would be a shame to alter this old piece but it looked awful when I got it home today from ebay. Patina was the sellers argument. I thought it should look better this way.First original pics from ebay:
Now only the Yamah sticker that needs some attention too in the near future.
808_state
Super Member
Mine arrived from Japan looking all shiny like that but then quickly tarnished with handling. Your's looks fantastic...nice work Tek! Did you use brasso? Could you dip it in something to protect the finish? I'd love to replicate it with different combinations of materials.
Tekniknissen
Active Member
No I didn't use Brasso but some polishing sticks from my local hardwarestore. I checked their datasheet but only got this text out from the contents:
Mixture of fatty acids, paraffins, abrasive polishing minerals (tripoli, abrasive
minerals quartz).
Yes I'm thinking to wait and see if it degrades quickly about its shininess. If so I just polish it again and then clean it with alcohol and maybe use some plastic I had used before to seal it. I think it's called motorplastic and is in a spraycan as any paint but it hardens slow and then sits almost like a transparent rubber over all (almost like plastidip) . I tried it on an electronic board for many years ago and then ditched that test PCB outside for nature to kill it. After two years it still looked the same as when I sprayed it with the plastic. So seems to be a good product. Let's see what I decide.
Mixture of fatty acids, paraffins, abrasive polishing minerals (tripoli, abrasive
minerals quartz).
Yes I'm thinking to wait and see if it degrades quickly about its shininess. If so I just polish it again and then clean it with alcohol and maybe use some plastic I had used before to seal it. I think it's called motorplastic and is in a spraycan as any paint but it hardens slow and then sits almost like a transparent rubber over all (almost like plastidip) . I tried it on an electronic board for many years ago and then ditched that test PCB outside for nature to kill it. After two years it still looked the same as when I sprayed it with the plastic. So seems to be a good product. Let's see what I decide.
Tekniknissen
Active Member
Thank you Theophile for your kindness. It was more luck than skill that I found that by an accident. I go in to that site often and search for Yamah GT or Yamaha 2000 and so on. Then finally I found this odd looking "2000" and couldn't resist to share it here. I did some Googeling but ended up empty so as you say it seems to be rare or extremely rare.
brunomarcs
Well-Known Member
Yep nice find there. I search everyday for gt 2000 and never come across a GT-7. Can’t find anything else on it anywhere! My bid was only 200 and I’m not gonna pursue it, though I actually think it’s pretty valuable but try finding replacement parts!
808_state
Super Member
I assure you the Japanese are always surprised and flattered at our enthusiasm for their creations. My father-in-law loved hearing Supertramp on my NS-2000's. He actually spent his entire working career with Hitachi.
808_state
Super Member
Would love to crack it open and see the guts!
brunomarcs
Well-Known Member
Someone here needs to buy that G 7, there is only one guy who’s familiar with it and we can’t communicate with him.
brunomarcs
Well-Known Member
No not me either, Ateal was spot on at the $700 sale price with the added fees.
brunomarcs
Well-Known Member
I’ll be moving my GT inside for more serious listening, over the weekend once I finish my cabinet 
