2N2925 DATASHEET PDF

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2N Transistor Datasheet pdf, 2N Equivalent. Parameters and Characteristics. Buy NTE ELECTRONICS 2N online at Newark element Buy your 2N from an Technical Datasheet: 2N Datasheet. See all Technical Docs. 2N Datasheet, 2N PDF, 2N Data sheet, 2N manual, 2N pdf, 2N, datenblatt, Electronics 2N, alldatasheet, free, datasheet.

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So it looks like I may only need one transistor on the post amp board datsheet is the 2N as the other two on that board form a turn on delay that mutes the audio while the rest of the organ comes up. This is a Conn model organ. I found a suitable sub for the 2N Page 3 of 3.

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May Mon 09, 4: Mouser don’t know when they will get the MPS back in stock, but a NTE is a suitable sub and since this is just used to regulate the rod bias I feel comfortable in using that one. Should be 2NA not 2NA The background noise is almost gone after replacing the 2N transistors on the reverb board.

Transistor substitutes 2N sub found. Jan Tue 05, 2: What brand of organ is this? I used to work datasheef organs quite a bit, years ago.

If I wanted to do away with the reverb board completely how could I derive the 28Vdc?

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I’ll post the picture of the schematic in the main restoration topic viewtopic. After a ,long while I decided to tackle the noise issue.

2N2925 Datasheet PDF

Transistor substitutes update Posted: Jan Tue 05, 4: Made a mistake for the transistor number. Anything related to the above.

Makes it harder to find out why the 16′ bass isn’t working as I was hoping it was a bad transistor. May Thu 26, 6: Can you scan that section to share? Dec Mon 31, 3: Books Support This Site: In most cases it didn’t seem to make a whole lot of difference.

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Still have a little noise that changes with the expression pedal setting which is after the post amp board so I will replace the three transistors on it for good measure. I will need to do a test to see if the gain is unity or very close to unity as the reverb board sends the signal through one transistor and takes t he signal from the emitter and applies it to the emitter of the last transistor on the board to allow the clean signal to pass through.

Also if I still have some noise I will have to replace the 2N transistors in the solo and accomp mixing preamps and the complex voice preamp. Baldwin liked to use those 2Ns, mostly “green” but occasionally “orange” as well.

It is the 2NA and I happened to find some in my stash. Users browsing this forum: Looks like perhaps I could use a 2N PDF 2N data http: Oddly enough it doesn’t seem to affect anything and honestly I think the reverb is better now, but that function is never used.

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Just looked and I can bypass the reverb board far as the audio signal is concerned. Datashest only issue I saw when testing the board at work was that there was a 1 volt increase in signal voltage out of the second 2N stage right after the input stage when I used the 2NA transistor.

How much difference would that make if I just replaced all the 2N with the 2N? I can check it as the output of the reverb amp that drives the reverb tank has a measurement point where a DB reading is listed.

Transistor substitutes 2N sub found Posted: What I wonder is this. Watch out for the fact that those have different pinouts!

Antique Radio Forums • View topic – Transistor substitutes (2N sub found)

Which section do you need to see? Could the 1 volt increase just be what the normal signal level was when the organ was new?

Given these transistors just amplify the audio signal I am thinking any suitable sub will work ok.