DSCN1736.jpg

For sale PCBs for DIY clone 2-band Preamps

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For the full backstory, see this rather long thread.

We've been building clone 2-band preamps based on Bajaman's reverse engineering work. The PCBs use artwork that I redid from scratch and had manufactured at a professional board house.


This was never intended to grow quite as large as it did, so out of respect for TB I'm moving the "PCBs for $" part of things over to the classifieds section.

Price: the price for one or two boards is the same as it was before: "buy me a beer" - whatever you pay for one beer on a Friday night is enough to cover my costs for a board. Keeps everything in the original just-for-fun spirit and a gives bit of a sliding scale. That includes shipping in the ConUS, further afield just ask, it's usually only $1-2.

For more than 3 boards, PM me and we can talk.

There's been a lot of PMs already asking about boards from this batch - I'll catch up with everyone as soon as I can, hopefully by the end of the week.

Here's the latest batch of boards:

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I'm dealing with a couple banking issues at the moment, so I don't know when I'll be able to buy them, but I'm interested in picking up a couple of these new ones, still need to post up a picture of the previous one!
 

johnk_10

vintage bass nut
Inactive
Commercial User
Feb 16, 2008
21,240
23,636
Washington, Utah
johnkvintageguitars.homestead.com
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John K Custom Basses
by the way, if you want to have a hotter output, you can replace the 220K input resistor with a 100K or 150K one for an increase of about 3db. my MM4.4 pickup seemed a little weak, so that what i did on mine and now it has the same output level as my passive p bass.
 

lowmid

Commercial User
Feb 2, 2005
738
87
belgium
Disclosures
Owner & builder CMC Audio
pardon my ignorance, but what 2 band pre was reverse engineered here?
 
Nov 13, 2009
1,188
252
San Diego
Does anyone have a Mouser based parts list for this?


http://www.talkbass.com/forum/9162661-post268.html

Pots:
http://www.mouser.com/Search/Produc...5K-3virtualkey14860000virtualkey313-1520F-25K

http://www.mouser.com/Search/Produc...K-3virtualkey14860000virtualkey313-1520F-100K

http://www.mouser.com/Search/Produc...K-C1Mvirtualkey14860000virtualkey313-1550F-1M

These pots are for mounting on pickguards and control plates, they might not be long enough to mount through a wood cavity

I just installed another pre for a $50 OLP MM2 I found in a garage sale. this time used a TLE2071 opamp. sounds great! :hyper: good luck with the builds! :bassist:
 

krovx

Thump or Bust
Supporting Member
Mar 11, 2003
2,649
613
Michigan, USA
If anyone is, that's cool, but please reply to krovx or anyone else asking by PM instead of posting in the thread.

Thanks for making these UncleFluffy! I am sure you have made a lot of people happy! I miss my classic ray :crying:
 
Mar 8, 2009
2,484
76
California
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Head Tinkerer, The Flufflab
Shipped 10 boards out tonight. All US folks should have a PM telling them that their boards have shipped. Those of you further afield will have to wait until tomorrow - I need to go buy stamps :)
 
Nov 13, 2009
1,188
252
San Diego
Another useful tip, I noticed the junk chinese pickups in these Music Man copy basses just don't cut it. with the preamp installed it just enhances the crapiness. For maximum tone the pickup should be upgraded. If you're a cheap f*** like me and don't wanna pay $100 for a pickup even a GFS or a G&B will sound better. I have both and they sound WAY better than the stock pickups. :bassist: They are both Alnico V's

http://www.guitarfetish.com/GFS-MM-Pro-Plus-Alnico-Music-Man-style-pickup-INCREDIBLE-tone_p_323.html

https://geargottago.com/onsale/catalog/product_info.php?products_id=463
 
Mar 8, 2009
2,484
76
California
Disclosures
Head Tinkerer, The Flufflab
Update: mailed off another batch Tuesday. Will be making a post-office run once for these once a week, so the next lot will probably go out Mon/Tue next week.
 
Apr 28, 2009
48
15
Hi there Monsieur fluffy !!...beautifull boards...many thanks again...just got to learn to solder and world domination is only days away..ha..ha
 

Passinwind

I know nothing.
Dec 3, 2003
23,066
45,992
Columbia River Gorge, WA.
passinwind.com
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Designer/Toaster Tech @ Passinwind Electronics

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