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Location: Italia, Zianigo di Mirano (Venezia) | the first photo is the can of op-pro (observed ,the sector on the right of pins is empty).... 
the second photo is the can of op pro-studio (observed,the sector on the right of pins has a cylindrical condenser)  ...........................................the question is:the cans are different?the preamp op-pro and op-pro-studio are interchangeables in this two cans? |
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| The second photo has a small capacitor installed on the PCB board, which is probably some sort of filter capacitor preventing or reducing signal noise from leaking back into the circuit.
As for the "cans" being the same, it makes sense, since the mold to manufacture the "cans" probably costs well over $10,000.00 to machine and assemble.
So, any company would design their product around saving money. |
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Posts: 4071
Location: Utah | The OpPro and the OpPro Studio preamps can go in either can. The important factor is the 8 pin connector. Older preamps such as the Op30 have only 7 copper pins in the connector, which are arranged so that they would create a short circuit if the wrong preamp is plugged in.
The capacitor you see in the OpPro Studio can is on the circuit board for the XLR output. The Studio will work just fine in either can, as will the VIP and regular OpPro. |
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Location: Keepin' It Weird in Portland, OR | Thank You Folks... I have been wondering what that thing was!
I have an OP-Pro Studio and an VIP-5 that I bought with cans...
Both cans have doohickeys, (capacitors, buttons, whatevers) whereas my regular OP-Pro cans do not.
Now I know what they are.
I still drop the OP-Pro Studio and the VIP and the iDea Module into the regular OP-Pro cans and they function just fine.
BTW-- The top can is the Studio and the lower one is the VIP...
One has an obvious capacitor and the other has some other doohickey. |
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Location: Italia, Zianigo di Mirano (Venezia) | tanks all for the answers.Now the story.I bought in internet a New op-pro-studio,completed of the can.I drop the op-studio into the can of my CL (normally is equipped of op-pro and vip-5).I turn on the amp, raise the volume,I hear a thin "bzzzzz" (mmmmmh,I think no good...)after played for 30 seconds,"BUMP",and the op-studio is burn.A friend of mine (electronic tech) open the preamp, he see a little component burned (the area of the component is highlighted into the grey circle: 
him off the component: 
It's possible fix it the preamp?the preamp was defective?...sorry for my english language.....
P.S.:anyone can read this topic a John Budny? |
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Location: Utah | I had a Studio die after about 2 years. Preamps have only a 1 year warranty when purchased alone, but a lifetime warranty if it comes in a guitar. Yours being opened is probably out of warranty...
The burned part can probably be replaced cheap by someone with the right tool. I don't know if the factory will do it. |
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Location: Colorado Rocky Mountains | This subject is above my head. However, I do know there is one difference between the OpPro and the OpPro Studio. Only the OpPro will accommodate the addition of a boost button. |
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Location: Italia, Zianigo di Mirano (Venezia) | mmmmmm....I know the warranty is invalid.If I knew what I could recover the component burned another, my friend weld it on the circuit board and the preamp would work ... maybe .... mah
:confused: :confused: :confused: |
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Location: Italia, Zianigo di Mirano (Venezia) | ...someone has the electronic scheme (electronic diagram?) of op-pro-studio?
:confused: |
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Location: Germany, where delicious wine is growing (Rheinh) | Hi, Titti,
Was it connected to the XLR output to an amp with phantom power??
I had shot a VIP-5 in the same way.
Bernie |
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Location: Italia, Zianigo di Mirano (Venezia) | no,it was connected with a single 1/4" output jack,the CL have also a output XLR,and the amp have also a phantom power...I don't use XLR and phantom power.... :rolleyes: |
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Location: Germany, where delicious wine is growing (Rheinh) | Okay, mine was gone dead using the VIP in a guitar with the OP-pro and using the XLR to a amp with phantom power.
I want to figure out what is the configuration that kills the VIP's and Studio's.
Thanks for your answer.
Bernie |
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Location: Italia, Zianigo di Mirano (Venezia) | ...Yesterday I removed the can (on the first photo), and I put the another can (on the second photo): I used op-pro and vip-5 (with only 1 / 4 "output jack, no XLR). Now I wait a second op-pro-studio ...maybe the "burn-problem is the different cans?
:rolleyes: :rolleyes: |
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Location: Utah | Bernie, is it the cans or are the preamps defective? My Studio went bad in my 2007 Collector which came with the VIP. It went bad on battery plugged in to the 1/4" jack. That should not have stressed the circuit. |
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Location: Germany, where delicious wine is growing (Rheinh) | I'm still not sure. All I know is that there are different looking cans (with 8 connectors inside) which don't work different. But there are different XLR output -units: One for the OP-Pro-Studio and VIP-5 with no phantom-power supporting to the preamp and that one for the OP-Pro with phantom-power.
I killed my VIP in the same way as Titti told us: plugged in the guitar to my Genz-Benz with a XLR-cable using pantom-power, because the guitar has usually the OP-Pro, feeded by Pantom-power.
So I thought the phantom power killed the VIP.
Back to your question:
I don't think that the cans are the problem, I'm using other preamps now in that guitar with still the same can and nothing happened to the preamps, but I always use the 1/4" jack for connecting.
I think now, that this little electronic part was from a bad lot, but,as I said, I'm not sure.
Bernie |
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Posts: 355
Location: Italia, Zianigo di Mirano (Venezia) | ....well,today came the new Op-pro studio, and it works great with 1/4 "output jack .But if I tried to connect XLR cable and phantom power?I don't know.Phantom power provide for 48 volts. In ovationguitar.com- electronics, there is: Op-pro and pro with xlr.Op-pro-studio and Op-pro studio with xlr.And VIP-5 (.....no XLR?)
:eek: :confused: |
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Location: Italia, Zianigo di Mirano (Venezia) | ....continued:at the end,the difference from op-pro and op-pro with xlr,is only the XLR Output included or not included (?) :rolleyes: |
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Posts: 355
Location: Italia, Zianigo di Mirano (Venezia) | Originally posted by bburg:
Okay, mine was gone dead using the VIP in a guitar with the OP-pro and using the XLR to a amp with phantom power.
I want to figure out what is the configuration that kills the VIP's and Studio's.
Thanks for your answer.
Bernie .....when you using the XLR to a amp with phantom power,in the outpout-jack was inserted the dummie plug ? |
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Posts: 1137
Location: Germany, where delicious wine is growing (Rheinh) | Sorry for answering so late...
Yes I need a dummy plug to activate the preamp, I've no zero-grounded cable.
For your questions before:
You can get all these OP-XXX-Series preamps without XLR (you have only a 1/4" jack and a little (1/8"??) jack to connect it with the can- or with XLR output-UNIT which is connected with a multi-colored flat cable to the can.
There a two different XLR output-UNITS, the one with pantom-power (for OP-Pro only) and the one without phnatom-power (for Studio and VIP-5).
The reason for phantom-power IS the output-unit, not the can.
I hope you can get it clear now.
Bernie |
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cans of op preamps
