Search found 540 matches
- 17 Apr 2024, 13:30
- Forum: Announcements and Forum Rules
- Topic: Forum Maintenance & Development News/Announcements
- Replies: 31
- Views: 27327
Re: Forum Maintenance & Development News/Announcements
Recently, the page selection links at the top right corner of posts (for page 1, 2, 3, etc) have disappeared beneath the content (see pic attached.) Links at the bottom of posts are still visible and accessible. It's the same with either Chrome or Firefox, so it's not browser-specific. They look ...
- 27 Mar 2024, 13:52
- Forum: Pedal Debugging & Troubleshooting Support
- Topic: Bazz Me Fuss You has no octave effect
- Replies: 11
- Views: 1634
Re: Bazz Me Fuss You has no octave effect
Have you tried asking JHS? Pretty sure he's the inventor of this circuit.
- 14 Mar 2024, 13:59
- Forum: Boutique Stompboxes dissected...
- Topic: Farm Pedals Bucket of Nails
- Replies: 2
- Views: 826
- 30 Jan 2024, 14:41
- Forum: Boutique Stompboxes dissected...
- Topic: Catalinbread - SCOD (Super Charged Overdrive) [traced]
- Replies: 137
- Views: 99461
Re: Catalinbread - SCOD (Super Charged Overdrive) [traced]
They are 9.1V zeners for protection on the BS170s (a la ZVEX SHO). There are no other diodes in the circuit. I have built this circuit and made a vero, however it was for this circuit and a Catalinbread Hyperpak in the same box, so the board has two circuits on it. Probably not what you need, but ...
- 19 Jan 2024, 15:08
- Forum: Vintage Stompbox Corner ( ... - 1975)
- Topic: EHX - Echoflanger [schematic]
- Replies: 199
- Views: 238417
Re: EHX - Echoflanger [schematic]
Thanks for the explanation!
- 19 Jan 2024, 15:06
- Forum: Pedal Debugging & Troubleshooting Support
- Topic: Capactitor Questions
- Replies: 3
- Views: 889
Re: Capactitor Questions
Thanks for the explanation!
- 18 Jan 2024, 21:16
- Forum: Pedal Debugging & Troubleshooting Support
- Topic: Capactitor Questions
- Replies: 3
- Views: 889
Capactitor Questions
I cross-posted this but the other version was in a thread about the EHX Echo Flange, and I understand how that could seem daunting. However my question is fairly generic, I think... Original post: https://www.freestompboxes.org/viewtopic.php?p=297524#p297524 I have two questions regarding this ...
- 15 Jan 2024, 20:55
- Forum: Vintage Stompbox Corner ( ... - 1975)
- Topic: EHX - Echoflanger [schematic]
- Replies: 199
- Views: 238417
Re: EH Echoflanger [schematic]
Not allowed to edit posts? Anyway, ignore previous schematic. Biasing for MN3007 wrong. Here. I have two questions regarding this schematic. This really relates to the original schematic but Paul's re-draw here is much easier to follow so we'll go with that. 1. Are C6 (50uF) and C7 (50uF) redundant ...
- 11 Jan 2024, 15:22
- Forum: Modern Stompbox Effects (1975 - ...)
- Topic: Smitty Pedals Smitty Bender 1.5 Guts
- Replies: 7
- Views: 1540
- 06 Jul 2023, 12:51
- Forum: DIY Projects
- Topic: DIY Tape Echo
- Replies: 3
- Views: 1437
Re: DIY Tape Echo
Posting a link to your website might be helpful
- 31 Dec 2022, 16:38
- Forum: Pedal Debugging & Troubleshooting Support
- Topic: MXR Blue Box Assistance/Question [SOLVED]
- Replies: 5
- Views: 1206
Re: MXR Blue Box Assistance/Question [SOLVED]
It sounds like you have a too low corner frequency in a high cut filter somewhere. Try removing c3 and c4, and see if the issue persists. THANKS for the assist. I removed C4 and high pitched squealing all around, but when I replaced it used a different cap which solved the issue just fine. I ...
- 30 Dec 2022, 14:20
- Forum: Pedal Debugging & Troubleshooting Support
- Topic: MXR Blue Box Assistance/Question [SOLVED]
- Replies: 5
- Views: 1206
Re: MXR Blue Box Assistance/Question [SOLVED]
Did you maybe mix up C3 and C4? Nah, those are correct. I should mention that i've checked my build a few times now. Accuracy to the layout, and that all the parts are of the correct value. I started with 2N3904 transistors and had the problem, then tried replacing them with MPSA18 (the reissues ...
- 29 Dec 2022, 21:15
- Forum: Pedal Debugging & Troubleshooting Support
- Topic: MXR Blue Box Assistance/Question [SOLVED]
- Replies: 5
- Views: 1206
MXR Blue Box Assistance/Question [SOLVED]
Howdy All, Been messing around with the MXR Blue Box circuit and i'm running into an issue. Basically i'm getting a decrease in volume the higher the note is that i'm playing. Notes played on the low E string are loud and clear and as I move up in frequency the volume drops to the point where an ...
- 10 Oct 2022, 14:02
- Forum: Davidoff Library
- Topic: Steve Daniels, Unijunction Tremolo, in: Electronics Hobbyist, Spring-Summer 1971 🇺🇸
- Replies: 6
- Views: 1304
Re: Steve Daniels, Unijunction Tremolo, in: Electronics Hobbyist, Spring-Summer 1971
Neat! Didnt know that.cspar wrote: ↑07 Oct 2022, 21:29Yes, one in the same.Dr Tony Balls wrote: ↑07 Oct 2022, 13:53 Wasnt the original Small Bear guy named Steve Daniels? Is it the same one?
- 07 Oct 2022, 13:53
- Forum: Davidoff Library
- Topic: Steve Daniels, Unijunction Tremolo, in: Electronics Hobbyist, Spring-Summer 1971 🇺🇸
- Replies: 6
- Views: 1304
Re: Steve Daniels, Unijunction Tremolo, in: Electronics Hobbyist, Spring-Summer 1971
Wasnt the original Small Bear guy named Steve Daniels? Is it the same one?
- 13 Jul 2022, 13:28
- Forum: Modern Stompbox Effects (1975 - ...)
- Topic: Zeus Audio Systems - Model 8444 Pre-Amp [schematic]
- Replies: 9
- Views: 7684
Re: Zeus Audio Systems - Model 8444 Pre-Amp [schematic]
I can't edit the original post, it seems, so here are the images from it: https://live.staticflickr.com/4436/36271102161_f027043964_c.jpg https://live.staticflickr.com/4357/35572790714_63735a4fb9_c.jpg https://live.staticflickr.com/4393/36271100741_09e8c319ed_c.jpg https://live.staticflickr.com/4405 ...
- 21 Jun 2022, 13:12
- Forum: Stuff Seen for Sale
- Topic: Amp building book, The Ultimate Tone by Kevin O'Connor and Merlin Blencowe books
- Replies: 11
- Views: 6374
Re: Amp building book, The Ultimate Tone by Kevin O'Connor and Merlin Blencowe books
Those Blencowe books cost $40 new.
- 17 Jun 2022, 13:32
- Forum: Boutique Stompboxes dissected...
- Topic: Rift Amplification - EL34 [traced]
- Replies: 38
- Views: 56082
Re: Rift Amplification - EL34 [traced]
Build circuit point to point in 3D as to fit a vacuum tube Make sure all external connections (in, out, pots) are on one side Make a mold using an EL34 Suspend circuit inside mold and pour clear epoxy resin Mount epoxied circuit to tube base, connections soldered to tube pins. Get Hammond box ...
- 24 Feb 2022, 21:08
- Forum: Pedal Debugging & Troubleshooting Support
- Topic: Linear vs Switch Mode Power Supply & Hum
- Replies: 1
- Views: 685
Linear vs Switch Mode Power Supply & Hum
I've built a tube driver in the BK Butler / Baja / Madbean Archibald vein and just noticed something that i've not come across before. I'm getting hum (120Hz) when using linear power supplies such as a Boss PSA-120T, but i'm not getting any hum when using a switch-mode power supply such as the Boss ...
- 28 Dec 2021, 16:15
- Forum: Pedal Debugging & Troubleshooting Support
- Topic: Troubleshooting help - BK/Baja Tube Drive content
- Replies: 12
- Views: 2201
Re: Troubleshooting help - BK/Baja Tube Drive content
Thanks for the information, but unfortunately this didnt seem to do the trick (unless i'm now missing something different). I reconfigured the charge pump to provide +/- 12V and got the same results. U It's not about negative voltage reference, but a cathode resistor/cap combo which you've ...