Cannot catch a break: now an Ortofon pickup.
Posts: 16,213
Threads: 562
Joined: Oct 2011
City: Jackson
State, Province, Country: NJ
Last weekend I received an Ortofon pickup for my turntable. Claimed to be NOS, from Denmark (not many of them, in fact the only person who was selling it.
Today put it in my Technics. It is a T4P cartridge so it is a snap to do.
Sounds really great. I was about to leave the feedback but something stopped me. I thought the sound was asymnetric. I was playing an organ piece so the difference between the channels is not huge.
I listened to the right channel - there it was...nothing.
Put ZZ TOP sure enough, it became obvious right away.
Tried cables, nothing.
Put the old cartridge (a Stanton) back - both channels are fine.
So....return initiated to Denmark.
Ay carramba.
And it is so sad, the record of the organ really sounded wonderful.
People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.
Posts: 2,573
Threads: 337
Joined: Jun 2013
City: lawrenceville nj
Ok silly question
How will a needle know the difrance of left and right
Sam
Some day, and that day may never come, I will call upon you to do a service for me. But until that day, accept this justice as a gift
mafiamen2
Posts: 16,213
Threads: 562
Joined: Oct 2011
City: Jackson
State, Province, Country: NJ
It is a flex square frame, moving the magnet in different directions, and the record is also polarised.
https://en.m.wikipedia.org/wiki/Magnetic...tridge.jpg
People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.
Posts: 16,213
Threads: 562
Joined: Oct 2011
City: Jackson
State, Province, Country: NJ
Update
PS. Decided to install the cartridge again. Hmmmm.....shows open at the cable's end on the right. With the Stanton shows both channels at 500 ohm.
Bad socket spring in tonearm?
PPS. Yes. Stanton is reliably connected and the Ortofon's right is not.
I even see the reason. The Ortofon's pins are tapered or coned. Very slightly. But the coning starts at the middle of the pins and so the end diameter is just a little smaller. And for one of the contacts that is enough.
The Stanton was bought together with the turntable and I never touched it so there was no mating cycles.
I tried pressing upon the contacts...they have no leeway.
Not sure what to do. Don't want to screw the tonearm so my Stanton does not work either.
People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.
Posts: 16,213
Threads: 562
Joined: Oct 2011
City: Jackson
State, Province, Country: NJ
Well...under impression there was a problem with tonearm connector I tried some tricks, to no avail.
Eventually, frustrated, I measured the resistance on the cartridge again.
Well...sad news. It is an intermittent connection problem.
The left channel reliably shows 700 Ohm whenever probed, but the right one show open, then some kiloohms, then when touched and lightly pressed side to side, 750 ohm, then again open or tens of kiloohms.
I photographed it with my Fluke clipped to right/left channels, showing open or 700 ohms respectively.
Will have to return.
People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.
Posts: 2,573
Threads: 337
Joined: Jun 2013
City: lawrenceville nj
Thanks mike
I did not know that
Sam
Some day, and that day may never come, I will call upon you to do a service for me. But until that day, accept this justice as a gift
mafiamen2
Posts: 16,213
Threads: 562
Joined: Oct 2011
City: Jackson
State, Province, Country: NJ
Well
The seller seems to be a decent fellow, he read what I've done, apologized, said that it is nice to have a customer who knows what he's doing, and offered me another cartridge he was keeping for himself, plus another stylus.
Well, it'll take another 3 weeks but hey, it is in Denmark and the shipping was free.
People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.
Users browsing this thread:
|
|
Recent Posts
|
|
B&K 1077B no video
|
| Hello Tim,
I would if it's a leaky Capacitor So are all 3 of those B- voltages low then ?
Sincerely Richardradiorich — 01:55 AM |
|
B&K 1077B no video
|
| I found a schematic and think I have the problem traced down to the minus power supply. I have very low voltages that go...TV MAN — 12:41 AM |
|
RCA 15X
|
| I'd try replacing the bulb first and if that doesn't do it, then change the 35Z5 and see if the problem goes away.NostalgiaRadioTime — 12:28 AM |
|
B&K 1077B no video
|
| Hello Tim,
I have that exact unit in my shop too plus a Sencore unit there are times I like one or other !!.
Sincerely...radiorich — 11:07 PM |
|
RCA 15X
|
| Everthing goes at once, maybe it's the cold weather, I have had 2 dial strings break and no my little RCA is having dial...Paul Philco322 — 10:26 PM |
|
Philco 91 Schematic
|
| Hi Dan,
I can't explain this specific resistor but I have seen the use of a switch to apply B+ voltage to screen gri...RodB — 09:36 PM |
|
6TPZ and 5TPO Radio Help
|
| I suspect it's been repaired before.
And I suspect whoever repaired it, wanted to re-use old transistors' pin stubs in o...morzh — 09:24 PM |
|
B&K 1077B no video
|
| Thanks Rich! I'll take a look and see what he has. I know there's more modern equipment to be had, but this one I know a...TV MAN — 09:11 PM |
|
B&K 1077B no video
|
| Hello Tim,
Here is a link to restoration of one on Phil's old radios site !
Sincerely Richard
bk1077bradiorich — 09:01 PM |
|
6TPZ and 5TPO Radio Help
|
| I'm a little befuddled on this one. Should X5 and X4 be tied together like this? It looks like someone added this at so...R3Sons — 07:33 PM |
|
Who's Online
|
| There are currently no members online. |
|
 
|
![[-]](https://philcoradio.com/phorum/images/bootbb/collapse.png "[-]")
