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Stereo Memory Man [schematic]

Last post by nateflanigan « 21 Jan 2014, 12:27
Posted in Modern Stompbox Effects (1975 - ...)

by nateflanigan » 21 Jan 2014, 12:27 » in Modern Stompbox Effects (1975 - ...)

Hi, I'm really not sure what forum this belongs in.

I'm looking for help calibrating a Stereo Memory Man reissue, it's a later model, uses external wall wart. So, first the problems...

-Rather noisy
-Hi pitched whine, in the back ground while playing
-A sort of LFO pulse while playing (in time with the rate setting)

What I've done so far...
-replaced a bad filter cap
-replaced audio wires with shielded cable

I've got the schematic from EHX (attached).

Where I could really use some help is...

0 Replies

645 Views

Last post by nateflanigan
21 Jan 2014, 12:27
Cheap MXR Phaser Commander MOD missing something...

Last post by joseito « 16 Jan 2014, 19:00
Posted in Pimp-My-Cheap-Pedal

by joseito » 16 Jan 2014, 19:00 » in Pimp-My-Cheap-Pedal

Hi, all

First post here: I have a MXR Phaser M-161 Commander series. For the longest time, it was forgotten and left behind, but I'm building a new pedalboard and I figured I could find a spot for it if I could make it true-bypass (Disclaimer: I'm not a true-bypass fanatic, but this pedal doesn't even turn the LED off all the way, it is either lit or lit brighter...), good modding project (challenge) and it can be a fun pedal to have available.

THE MOD
Without making this a novel, I came to...

0 Replies

1901 Views

Last post by joseito
16 Jan 2014, 19:00
LKB1 (liberal komrade boost 1)

Last post by pinkjimiphoton « 13 Jan 2014, 00:42
Posted in Printed/Published Online Designs

by pinkjimiphoton » 13 Jan 2014, 00:42 » in Printed/Published Online Designs

ok, whup out your breadboard and try this one out.

4 fucking parts. (not counting switch/power supply/jacks and enclosure)

this is ONLY for SHITTY, LEAKY LOW-GAIN GERMANIUM TRANSISTORS.

it's so fuckin' simple i won't even post a schematic. try one on your breadboard, and let me know what you think.

hfe's best between 10-60. high hfe and non-leaky ge or silicon transistors do not work. the leakage of the transistor is what makes it work.... this was designed to be a good sounding boost with...

0 Replies

1199 Views

Last post by pinkjimiphoton
13 Jan 2014, 00:42
PCB for sale: Queen of Bone (QoB)

Last post by rullywowr « 24 Dec 2013, 21:50
Posted in Parts & Tools Sourcing & Trading

by rullywowr » 24 Dec 2013, 21:50 » in Parts & Tools Sourcing & Trading

MERRY CHRISTMAS!
Just verified my latest layout, dubbed...the Queen of Bone or QoB. Much like the Queen's husband (the King)...it is a dual overdrive based upon the venerable Bluesbreaker circuit.

Has a charge pump onboard to run at 9V or 18v (select by jumper). Fits great into a 1590BB, internal DIP switches for diode switching options, internal presence trimmers, as well as all PCB mount pots.

Build document located here:

Price = $12.25 plus shipping through the end of the...

0 Replies

1927 Views

Last post by rullywowr
24 Dec 2013, 21:50
Rigol DS1102D or DS1102E?

Last post by negativefx « 23 Dec 2013, 20:36
Posted in Measuring & Matching

by negativefx » 23 Dec 2013, 20:36 » in Measuring & Matching

Howdy,

Specifically for building pedals, is there any reason I should look to the mixed signal oscilloscope vs the digital only? I can get a Rigol DS1102D used for the same price as a DS1102E new but it doesn't come with any of the accessories (logic module, cables, probes) so I'm a bit cautious about getting it if I won't need the extra features. I am interested in getting into tremolos, reverbs, and delays if it makes a difference.

Thanks!

0 Replies

9267 Views

Last post by negativefx
23 Dec 2013, 20:36
Craig Anderton Phaser (vero verified)

Last post by OnTheTundra « 23 Dec 2013, 19:10
Posted in Vintage Stompbox Corner ( ... - 1975)

by OnTheTundra » 23 Dec 2013, 19:10 » in Vintage Stompbox Corner ( ... - 1975)

This is the Anderton Envelope Phaser from EPFM.

I know the layout is a little scattered and large. Looking back, I would have done all of the phase stages off of one tl074, but I digress.

I used NSL32's in my build which are the modern equivalent of clm6000.

I have built and verified the layout but I am getting some serious distortion.

After playing around with it, I don't mind the distortion and it reminds me of the Jet Phaser.

I'm just wondering if anyone has any input on why this may...

0 Replies

2005 Views

Last post by OnTheTundra
23 Dec 2013, 19:10
Milin Kamak Phaser (gut shots)

Last post by fuzzlabrador « 18 Dec 2013, 08:46
Posted in Boutique Stompboxes dissected...

by fuzzlabrador » 18 Dec 2013, 08:46 » in Boutique Stompboxes dissected...

sounds really nice. don't know about Boutique but it's rare...

0 Replies

894 Views

Last post by fuzzlabrador
18 Dec 2013, 08:46
DIY Ernie Ball VP!!!

Last post by brand0nized « 17 Dec 2013, 08:20
Posted in Printed/Published Online Designs

by brand0nized » 17 Dec 2013, 08:20 » in Printed/Published Online Designs

Just watched brodafin's new DIY Volume Pedal build! Although I personally wouldn't make it out of wood, his builds give some amazing insight!

:applause:

I've been planning my 125B mini volume pedal for some time with gears and pinions, but I think I'm going this route now!

Super excited to build my mini volume pedal now! :horsey:

0 Replies

1324 Views

Last post by brand0nized
17 Dec 2013, 08:20
[WTB] Meatsphere PCB

Last post by gilmour_pugliese « 15 Dec 2013, 10:45
Posted in Parts & Tools Sourcing & Trading

by gilmour_pugliese » 15 Dec 2013, 10:45 » in Parts & Tools Sourcing & Trading

This PCB is out of stock from several months:

If anyone has a spare, I'm interested to buy it. PM me :lol:

0 Replies

1445 Views

Last post by gilmour_pugliese
15 Dec 2013, 10:45
7W1573D 7R@N-51S73R QU1<K <#ANG3 5OCK37

Last post by pinkjimiphoton « 13 Dec 2013, 19:56
Posted in Printed/Published Online Designs

by pinkjimiphoton » 13 Dec 2013, 19:56 » in Printed/Published Online Designs

say wtf, photon, lay off the kif?

naaaaaah..... aye and aye be gettin right lately, this is one of my dumber ideas, mon...
the 7W1573D 7R@N-51S73R QU1
(the twisted tran-sister quick change socket, if ya don't get 1337)

i've done this on several fuzzes and things now... i am a germanium FREAK. screw that silicon stuff. it's not the same.
played thru my bro mike's rig last nite, all si and was startled by the differences in response of the wah and fuzz in particular... it is...

0 Replies

976 Views

Last post by pinkjimiphoton
13 Dec 2013, 19:56
Rothstein Hammer of the Gods Tone Bender MKII on turretboard

Last post by Cub « 02 Dec 2013, 22:25
Posted in Boutique Stompboxes dissected...

by Cub » 02 Dec 2013, 22:25 » in Boutique Stompboxes dissected...

Just a bunch of gutshots from Andy's site, I'm sure Sinner will find this interesting. :D

0 Replies

876 Views

Last post by Cub
02 Dec 2013, 22:25
Adding brightness cap to one channel of GXT-100

Last post by screamersusa « 02 Dec 2013, 16:00
Posted in Amplifiers

by screamersusa » 02 Dec 2013, 16:00 » in Amplifiers

I want to add a brightness cap to one of the drive pots on my GXT-100.
The problem is that the two footswitch selectable 10k drive pots are in the feedback
loop of the opamp. I would guess I need to put a cap across the second od channel
to darken it (cut highs) in the opposite was a normal bright cap is set up and
boost the treble for the first od channel (lower gain setting).

Suggestions please?

For anyone else with a GXT
Also I'm adding a mix defeat switch to simply disable the clean feed...

0 Replies

1497 Views

Last post by screamersusa
02 Dec 2013, 16:00
TS-7 hot mode mod question

Last post by screamersusa « 02 Dec 2013, 15:54
Posted in Pimp-My-Cheap-Pedal

by screamersusa » 02 Dec 2013, 15:54 » in Pimp-My-Cheap-Pedal

I like the tone of the hot mode (ts9) on my $20 tonelock ts7 but......
Has anyone modded it to lower the gain in hot mode and output?
Or should one mod C43 to stay on all the time and add a trimpot instead of
R28?
Perhaps reuse the bass part of the switch to switch in a trimmable pad
across the drive pot?
This way I can have two settings, semi-original ts7, hot mode with gain
lowered to match without having to readjust gain and output all the time.
Cheers

0 Replies

1691 Views

Last post by screamersusa
02 Dec 2013, 15:54
FS: JMK Super Happy OD (Sweet Honey clone)

Last post by fretwire « 23 Nov 2013, 15:14
Posted in Stuff Seen for Sale

by fretwire » 23 Nov 2013, 15:14 » in Stuff Seen for Sale

I'm selling fully-stuffed PCB and pots. Quality workmanship and parts. Built w/ favored OP275 chip. Socketed LEDs to allow for experimentation. Works perfectly.

$30 shipped (48 contig states). Thx. -Dave

SHOD 01.jpg

SHOD 02.jpg

0 Replies

3022 Views

Last post by fretwire
23 Nov 2013, 15:14
snarling dogs whine-o wah mods upgrades?

Last post by jamme61 « 22 Nov 2013, 15:07
Posted in Pimp-My-Cheap-Pedal

by jamme61 » 22 Nov 2013, 15:07 » in Pimp-My-Cheap-Pedal

Just picked this up. its an early version (I think )it doesn't have no true bypass or testosterone switch. Its pretty noisy and I think it could sound a lot better with some tweaks. Anyone have any info (schematic) or mods ? Thanks for any help

0 Replies

2262 Views

Last post by jamme61
22 Nov 2013, 15:07
WOBO double looper

Last post by Nocentelli « 17 Nov 2013, 22:52
Posted in Boutique Stompboxes dissected...

by Nocentelli » 17 Nov 2013, 22:52 » in Boutique Stompboxes dissected...

I've had this for years, but have never taken it apart to see how it works. It's built into a steel rectangular section conduit pipe thing. I have only become curious about how it might work recently as I want to change the invert footswitch to a loop order juggler. I think it's relay based switching all on a single pcb with all the jack sockets also board-mounted, hence my reluctance to dismantle it before now: It seems that all the hardware would have to come out in one piece, and then...

0 Replies

822 Views

Last post by Nocentelli
17 Nov 2013, 22:52
AMT Electronics - SS-11 A Preamp [schematic]

Last post by slkom « 17 Nov 2013, 12:05
Posted in Modern Stompbox Effects (1975 - ...)

by slkom » 17 Nov 2013, 12:05 » in Modern Stompbox Effects (1975 - ...)

AMT Electronics SS-11A (Classic)

0 Replies

805 Views

Last post by slkom
17 Nov 2013, 12:05
Bass Twin

Last post by allesz « 12 Nov 2013, 17:39
Posted in Printed/Published Online Designs

by allesz » 12 Nov 2013, 17:39 » in Printed/Published Online Designs

Hallo, I started to post a beta version of this bass effect (a present for my bass player actually) on the member's corner sub forum. I call it bass twin because I put the two in the same enclosure, of course they are not the same (so maybe I should call it bass bros :hmmm: ).

The first brother is a simple, and simplified too :shock: , Escobedo's idiot wha rip off that works great as a variable frequency booster; as a wha it's on the weak side btw.

The second brother is a fuzzy overdrive that...

0 Replies

1433 Views

Last post by allesz
12 Nov 2013, 17:39
Need a single MN3005

Last post by disorder « 09 Nov 2013, 21:55
Posted in Parts & Tools Sourcing & Trading

by disorder » 09 Nov 2013, 21:55 » in Parts & Tools Sourcing & Trading

I am searching for a real MN3005 and the Aquapuss/aquaboy 2xMN3005 daughterboard. Just one chip and one board. Let me know if you have one to sell or have seen them around. Have germanium, nice custom enclosures, ZZ top cassettes, and some other stuff to trade along with CASH money. Thanks.

0 Replies

1440 Views

Last post by disorder
09 Nov 2013, 21:55
FS :DIY Voodoo Vibe, Small Stone, phase 45 & Bassballs

Last post by frankgb « 04 Nov 2013, 06:53
Posted in Stuff Seen for Sale

by frankgb » 04 Nov 2013, 06:53 » in Stuff Seen for Sale

Hey,

just clearing out some pedals I'm no longer using :

All will come with relevant documentation.

More pictures available on request.

Postage from Australia

1x Roger Mayer Voodoo Vibe Clone
vv front.JPG
Home etched from DIY Stompboxes layout, 3PDT wired for true bypass with led indicator, 9v adaptor

$110 + postage

1x EH Small Stone Phaser DIY Clone
ss front.JPG
Home etched from Tonepad layout, 3PDT wired for true bypass with led indicator, 9v adaptor

$60 + postage

1x Phase...

0 Replies

2524 Views

Last post by frankgb
04 Nov 2013, 06:53
triple wreck no gain

Last post by leftfingaz « 29 Oct 2013, 15:16
Posted in Pedal Debugging & Troubleshooting Support

by leftfingaz » 29 Oct 2013, 15:16 » in Pedal Debugging & Troubleshooting Support

i got an issue :( there is an out but no gain? what could be the possible problem?
i use 1uF monolithic capacitor instead of film and linear potentiometer

0 Replies

1749 Views

Last post by leftfingaz
29 Oct 2013, 15:16
tripple tranny fuzz

Last post by friedtransistor « 29 Oct 2013, 00:34
Posted in Printed/Published Online Designs

by friedtransistor » 29 Oct 2013, 00:34 » in Printed/Published Online Designs

I designed this awesome fuzz that produces some really awesome resonant tones, and even does a nice mid-boost fuzz tone. Really loud, and tuned to be just under the point of oscillation.
IMG_3489 .JPG

0 Replies

1271 Views

Last post by friedtransistor
29 Oct 2013, 00:34
Bonamassa Fuzz Face, and the caps they use.

Last post by Thecomedian « 27 Oct 2013, 15:14
Posted in Capacitors

by Thecomedian » 27 Oct 2013, 15:14 » in Capacitors

I cant identify what caps those are, but Im planning my own version of a low gain fuzz face with different Ge transistors, and I already have some PiO output caps, what kind of input and feedback bypass caps does the bonamassa use? What would be a good suggestion or approximation apart from standard electrolytic?

0 Replies

7854 Views

Last post by Thecomedian
27 Oct 2013, 15:14
Red Bug Distortion

Last post by piod « 24 Oct 2013, 22:43
Posted in DIY Projects

by piod » 24 Oct 2013, 22:43 » in DIY Projects

Hi, everyone. Here is my small step by d.i.y stompbox building. Red Bug Distortion – is a classic hard clipping distortion pedal
This is a very simple and good sounding distortion pedal. You can see a very familiar circuit.

This pedal have a voltage multiplier to 15-24v for a more headroom and dynamic response.

Parts List
Layout

If you need pcb for building you can contact with me. Thanks for watching and enjoy!
Also you can visit my piod effects , and twitter

0 Replies

550 Views

Last post by piod
24 Oct 2013, 22:43
Trade J201's to fit Wampler builds

Last post by induction « 21 Oct 2013, 16:10
Posted in Parts & Tools Sourcing & Trading

by induction » 21 Oct 2013, 16:10 » in Parts & Tools Sourcing & Trading

I have finished a Black '65 and my Plexi-Drive, and I want to build a Tweed '57. I want to find J201's that work without twiddling the drain resistors.

I ordered over 100 J201's for these builds. My first order of 75 from Tayda got me exactly one that biased correctly for the Black '65 and several more that were close enough if I increased the drain resistor from 5k6 to 6k8 (which I didn't want to do, but I'm happy enough with it that I'm not planning to change them). The rest of them biased...

0 Replies

1849 Views

Last post by induction
21 Oct 2013, 16:10

Search found more than 1000 matches

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