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Björn
Björn
@bjf
Medlem
Blev medlem: 2018-11-28 11:54
Last seen: 2022-04-21 21:21
Ämnen: 0 / Svar: 29
Ämne
8 månader sedan
Forum
Replies: 1
Views: 402
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Sv:: BJF Reverb

Hi there Rasmus, The transformer output is a push-pull power amp and T4,T5 are powertransistors driving the transformer. Trimmer TR1 sets the re...

8 månader sedan
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Sv:: BJF Reverb

Hi There Peter It does seem the input transformer in reverbtank could be shorted. I have had one tank do that and it was caused by a metal flan...

12 månader sedan
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Sv:: BJF Reverb

Hi there Pter Ah yes my misstake then and as I said above measure output of transfomer under load and you will see... Are you sure tank is...

12 månader sedan
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Sv:: BJF Reverb

Hi there Peter, With Oscilliscope you can measure output at secondary of transformer under load and if you have a sine generator you'll see where ma...

12 månader sedan
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Sv:: BJF Reverb

Hi Peter, The transformer output is made to drive 8 Ohm tanks so yes it might be too low for 100 Ohm tanks. Ideally if you can find you'd need...

12 månader sedan
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Sv:: BJF Reverb

Hi there gents I’ll combine answers below Hej Björn (and others on the forum too)! I had an attempt at building the Universal Reverb kit...

1 år sedan
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Sv:: BJF Reverb

Hi there, OK so at deeper investigation: Firstly slight volume drp when increasing Dwell 1 wasn’t considered a problem because it also gi...

1 år sedan
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Sv:: BJF Reverb

Hi There Mike OK I 'll give this deep thought and may have to build a board and see if I can get this Re J Fet's : no it won't make any au...

1 år sedan
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Sv:: BJF Reverb

Hi there, OK so you still have a problem? I will try to help you figure this out. Re: J Fet’s, those typically have the worst possib...

1 år sedan
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Sv:: BJF Reverb

Hi Mike, Yes I see and yes connections are tight and next to output is B+ et.c. That is great to hear that it is now solved BJ

1 år sedan
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Sv:: BJF Reverb

Hi there, Yes tagging sends me a notification So let’s see how I can help you. Volume at ouput of circuit should be constant regardl...

1 år sedan
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Sv:: BJF Reverb

Hi There, If you want to EQ the reverb the moist strategic point of doing that is before reverb driver and connections to Dwell can be broken an...

2 år sedan
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Sv:: BJF Reverb

Hi There, Thank you, Let’s see how this can be figured out In faultfinding it is always best not to assume just methodically tes...

2 år sedan
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Sv:: BJF Reverb

Hi there, This is a fairly simple circuit so there are limits to what can go wrong. I will try to help as best I can- so hang on in there ...

2 år sedan
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