Search found 135 matches

by copachino
03 Apr 2014, 04:02
Forum: Circuit Blocks
Topic: Dual Buffer Op Amp PCB
Replies: 6
Views: 10099

Re: Dual Buffer Op Amp PCB

This version is cleaned up. Nothing but the bare essentials, and it fits in 0.75" x 1.00". Nothing to clean-up in the realm of overly large pads. Much simpler. Haven't verified this one yet, but you can easily trace it vs the schematic, so if the schematic is good (and I do believe it is)...
by copachino
02 Apr 2014, 02:49
Forum: Ready-To-Build Effect Projects
Topic: Sansamp GT2 with QUAD OPAMP
Replies: 32
Views: 3663

Re: Sansamp GT2 with QUAD OPAMP

where are the layouts???
by copachino
02 Apr 2014, 02:44
Forum: Vintage Stompbox Corner ( ... - 1975)
Topic: Sola Sound - Tonebender Mark II Professional [schematic]
Replies: 692
Views: 271128

Re: Sola Sound - Tonebender Mark II Professional [schematic]

i want to build this pedal, im wating for the parts, but, im will be using normal poly caps and electro caps, by normal i mean not vintage ones, do ypu think that the tone of the pedal will be changed??, the transistor in within the specs of the MKII are from small bear I made a Mk II using modern ...
by copachino
01 Apr 2014, 22:55
Forum: Vintage Stompbox Corner ( ... - 1975)
Topic: Sola Sound - Tonebender Mark II Professional [schematic]
Replies: 692
Views: 271128

Re: Sola Sound - Tonebender Mark II Professional [schematic]

i want to build this pedal, im wating for the parts, but, im will be using normal poly caps and electro caps, by normal i mean not vintage ones, do ypu think that the tone of the pedal will be changed??, the transistor in within the specs of the MKII are from small bear
by copachino
01 Apr 2014, 22:21
Forum: Pimp-My-Cheap-Pedal
Topic: zoom gfx-1 mods
Replies: 5
Views: 3689

Re: zoom gfx-1 mods

i have check and yes tehre its 2 legs to the MCU, do you think its possible to change the switches for momentary dpdt??? o im wasting time on this i´ve found this on ebay, but im not so sure if they will work out if i use an spst momentrary switch??? i guees this ones are the best for the job like t...
by copachino
01 Apr 2014, 20:41
Forum: Ready-To-Build Effect Projects
Topic: Fred Briggs - '64 - Vintage Vox Tones :)
Replies: 79
Views: 6643

Re: Fred Briggs - '64 - Vintage Vox Tones :)

another stupid question, i only got 2.4M resistor for the bias in the trannie, or i need to change the 470k resistor to, maybe for a 270k??
by copachino
01 Apr 2014, 14:50
Forum: Ready-To-Build Effect Projects
Topic: Fred Briggs - '64 - Vintage Vox Tones :)
Replies: 79
Views: 6643

Re: Fred Briggs - '64 - Vintage Vox Tones :)

andregarcia57 wrote:Here in Brazil I found a lot of the older models are more 2N3565 ...
these transistor lose some characteristic over time?
thanks

i want some jejeje can you sell them??
by copachino
01 Apr 2014, 14:14
Forum: Amplifiers
Topic: fender twin reverb noise
Replies: 3
Views: 1797

fender twin reverb noise

i have a twin that its making some noises, but im not so sure where i can start to trace the problem, i only got a multimeter to do the jobs, but what kind of test can i make to ensure the elemt that its making that noise??
by copachino
01 Apr 2014, 13:17
Forum: Ready-To-Build Effect Projects
Topic: Fred Briggs - '64 - Vintage Vox Tones :)
Replies: 79
Views: 6643

Re: Fred Briggs - '64 - Vintage Vox Tones :)

ifound some 2N3565 in futulec, i will buy some and tr it out
by copachino
31 Mar 2014, 19:55
Forum: Ready-To-Build Effect Projects
Topic: Fred Briggs - '64 - Vintage Vox Tones :)
Replies: 79
Views: 6643

Re: Fred Briggs - '64 - Vintage Vox Tones :)

can i buld this using another trannie??? 2N3565 are really hard to get
by copachino
26 Mar 2014, 20:28
Forum: Switching & Wiring
Topic: ABY wiring
Replies: 0
Views: 6013

ABY wiring

hi, i want to make a ABY switcher, but i want also a mixer output, can it be done?? maybe mixing the signal with an op amp???
by copachino
24 Mar 2014, 17:44
Forum: Absolute Beginners
Topic: jacks problems
Replies: 5
Views: 3215

Re: jacks problems

thanks i will try this later after work, so i should join the sleves right??
by copachino
24 Mar 2014, 12:14
Forum: Absolute Beginners
Topic: jacks problems
Replies: 5
Views: 3215

Re: jacks problems

davent wrote:Need to connect the two jacks grounds as well.
dave

if there its not circuit can i ground them anywhre??? as long as the both jacks share the same ground, or am i missing someting??
by copachino
24 Mar 2014, 03:57
Forum: Pimp-My-Cheap-Pedal
Topic: zoom gfx-1 mods
Replies: 5
Views: 3689

Re: zoom gfx-1 mods

im planning to move the pedalboard to another case a bit bigger, and i was thinking in use some DPDT momentary switches for all he switches, the pedal uses some microswitches those are 4 legs pcb mount. the only thing i dont know how to change are the most annoyings ones the selectors, these are lik...
by copachino
23 Mar 2014, 20:52
Forum: Absolute Beginners
Topic: jacks problems
Replies: 5
Views: 3215

jacks problems

hi all, i think i have problem with my jacks, i can build anything, and the sound its only ground, but voltages are ok, in everything i have made, i have build many pedals, so i dont doubt my soldering skills, but i have tried something that mayme doubt of my jacks, if i use a two jacks, and solder ...
by copachino
23 Mar 2014, 20:48
Forum: Switching & Wiring
Topic: change micro switch for dpdt
Replies: 1
Views: 6905

change micro switch for dpdt

hi, a friend have a real bad pedalboard, a zoom, but it have many cheap components, most of the are the switches, the switches for the banks are mini switches, like this http://www.alpha-crucis.com/1861-2351-thickbox/pulse-mini-switch-button.jpg so i was thinking thta maybe its possible to change th...
by copachino
22 Mar 2014, 02:18
Forum: Pimp-My-Cheap-Pedal
Topic: zoom gfx-1 mods
Replies: 5
Views: 3689

zoom gfx-1 mods

hi, i would like to know if there its any chance to change the switches of this pedal, this its a very annoynig pedal because the switches get damages real fast, so i would like to change them for some dpdt or maybe some 3pdt
by copachino
22 Mar 2014, 01:06
Forum: Ready-To-Build Effect Projects
Topic: Devils fuzz
Replies: 1
Views: 352

Re: Devils fuzz

here are the layouts
by copachino
22 Mar 2014, 01:04
Forum: Ready-To-Build Effect Projects
Topic: BAJA Real Tube Drive pedal project [verified]
Replies: 789
Views: 98785

Re: BAJA Real Tube Drive pedal project [verified]

i knew something was wrong, i have alrady make the pcb, so... do you have the layout to build it anyway?? i guess its not that bad and seems to fit in a 1590b enclosure
by copachino
21 Mar 2014, 16:38
Forum: Ready-To-Build Effect Projects
Topic: Devils fuzz
Replies: 1
Views: 352

Devils fuzz

hI all, i want to share my version of the famous bazz fuss, this version has a tone control, gain, and volume, also a diode clipping selecotr using a spdt switch, on-off-on,

here its a demo video: