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| deadzid |
 Posted: Fri Oct 28, 2005 11:35 am Post subject: DIY: True-Bypass Looper (projek utk beginner) |
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Joined: 13 Feb 2004
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DIY: True-Bypass Looper
Ok, topic ni akan membincangkan step-by-step mcmmana cara nak bikin True-Bypass Looper box, DIY style! Ni antara projek paling simple utk beginner pasal ia takde melibatkan circuit board. Cuma kena solder2 wire, switch dan jack saja. Tapi sebelum tu, apa kebendenya True-Bypass Looper nih??
Situasi:
Lets say setup pedals utk live kita macam rajah berikut:
Setup flow tersebut terdiri daripada guitar > distortion (MT2) > noise gate (Hush) > amp simulator (GT2) > chorus (Small Clone) > amplifier. Ok, dlm situasi live, masa tgh mod riffing, kita akan "on" kan MT2 & Hush pedal, yg lain "off". Then masuk part plucking pulak, so kita akan "off" kan kedua-dua pedal MT2 & Hush tadi, dan dgn pantas kena "on" kan pedal2 GT2 & Small Clone. So nak switch pedal2 nih "on/off" dgn pantas memang satu bencana alam, silap2 tgh kita sibuk pijak2 pedal tu, crowd ingat kita tgh tap-dancing plak!
Solution:
Di sinilah gunanya true-bypass looper box! Macam mana ia berfungsi? Well, rujuk diagram berikut:
Berdasarkan gambarajah di atas, looper box ni terdiri dari guitar input jack, "Loop 1" send (out) + return (in) jack, "Loop 2" send (out) + return (in) jack, dan output jack to amp. Dan ada satu je switch button.
First, kita akan pecahkan setup tadi kpd 2 bahagian, kita label sbg "Loop 1" dan "Loop 2". Loop 1 terdiri dpd pedal2 utk dirty channel (utk riffing - MT2 & Hush) dan Loop 2 utk setup pedal2 channel clean (GT2 & Small Clone).
Secondly, ambik satu cable, sambung pada Loop 1 send jack dan lagi satu sambung kat input jack pada MT2. Then ambk cable lain, sambung pada output Hush dan connect pada return jack pada Loop 1 looper box tadi. Repeat langkah tadi utk Loop 2 pulak... so basically setup kita jd mcm ni:
- Loop 1 send > input MT2 > input Hush > Loop 1 return
- Loop 2 send > input GT2 > input Small Clone > Loop 2 return
Signal Flow:
Input dari gitar akan masuk ke dlm looper box tu, then signal akan pergi ke salah satu channel (Loop 1 atau Loop 2) dan terus ke output direct ke amp. By default dia akan masuk Loop 1. Then, bila kita pijak switch pada looper box tu, signal akan bypass Loop 1 dan masuk terus ke Loop 2. Kalau pijak lagi sekali, signal akan masuk ke Loop 1 balik dan bypass Loop 2. Begitu la seterusnya sampai looper box tu jahanam!
Kesimpulan:
So basically, apa yg kita nak buat ni adalah satu switch box utk toggle between dirty channel dan clean channel. Kelebihannya? well, kita hanya perlu pijak satu switch saja, dpd sebelum nih kena pijak 4 pedals utk on / off.
Itu saja penerangan buat masa nih... sila ajukan sebarang kemusykilan sebelum kita mulakan projek DIY yg seronot ini! Lepas raya kita sambung balik, pasal esok aku dah start cuti, maybe rabu next 2 weeks baru boleh online balik... Esok aku nak gi beli barang2 yg diperlukan utk buat projek nih... dgn itu salam sejahtera dan selamat hari raya! drive carefully n have a safe journey!
p/s: aku belom try bikin lagi nih, esok baru nak beli barang... so hopefully, projek nih berjaya lah! kalau tak berjaya pon, aku yg dapat malu, dan korang boleh gelak je la! whahwahhahaah
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Last edited by deadzid on Tue May 29, 2012 7:29 pm; edited 1 time in total |
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| omarjamaludin |
| Posted: Fri Oct 28, 2005 3:12 pm Post subject: |
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Joined: 18 Feb 2004
Posts: 2615
Location: Tmn Melawati
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| silbi |
| Posted: Fri Oct 28, 2005 3:38 pm Post subject: |
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Joined: 12 Oct 2005
Posts: 843
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dedzid
walaupun aku tak habis baca sume lagi yg ko tulis pasal tgh pening kepala kejap ni, i think u did a groovy job there expalining all these!
anyways, interested with that hush pedal? kat sini ada jual ke? berapa sen menatang tu and what's the purpose? i believe it's some sort of noise gate / noise surpressor??
regards
www.salonthemovie.com |
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| ultraman_cosmo |
| Posted: Fri Oct 28, 2005 3:43 pm Post subject: |
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Joined: 29 Oct 2004
Posts: 1665
Location: Mines resort city
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Yea,
Cam tu lah sepatutnya kalo sepatutnya kalo pakai banyak single pedal punya effect. At least rantai effect boleh dipendekan.
Memang bagus guna keadah kerana bukan semua effect pedal yang true bypass.
Pas ne deadzid mesti buat lagi besar macam effect control bus plak... hehehhe.
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| kudo |
| Posted: Fri Oct 28, 2005 6:27 pm Post subject: |
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Joined: 23 Mar 2004
Posts: 342
Location: sheffield, england
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caya lah. ini kena tgk gambar bila siap ni.
aku pemalas... beli LOOOPER aje la. hahaha 
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| eos |
| Posted: Fri Oct 28, 2005 11:11 pm Post subject: |
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Joined: 12 Mar 2004
Posts: 200
Location: KJ
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| zid..kalo ko berjaya buat..aku nak belajar drpd ko..hihi.. |
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| ZiNK |
| Posted: Sat Oct 29, 2005 7:24 pm Post subject: |
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Joined: 08 Feb 2005
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Location: Setapak, KL
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| silbi |
| Posted: Sun Oct 30, 2005 4:36 am Post subject: |
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Joined: 12 Oct 2005
Posts: 843
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| dead_zink wrote: | kene g curik alat pateri kat bengkel skolah aku la time spm nnti... hehe  |
bro...you're still doin your spm? hehe...makes me feel ancient man! did my spm in 91...and i think i did good. but be careful on how you shape your future after that...some of us learned this the hard way... |
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| ZiNK |
| Posted: Sun Oct 30, 2005 12:57 pm Post subject: |
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| LOFX |
| Posted: Tue Nov 01, 2005 12:33 am Post subject: |
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Joined: 15 Apr 2004
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cik zid ni lupa ke nak kasi diapunya bahan2 ramuan utk mmbuat loops ni spt skru, penabur, kalsium sulphate dll, keterangan dah paham cuma barang nye je yg tak tau apa nak dbeli. trima kasih!! 
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| IZZI |
| Posted: Tue Nov 01, 2005 8:39 am Post subject: |
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Joined: 11 Dec 2004
Posts: 3447
Location: Melbourne, Australia
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modal yang paling mahal ialah utk DPDT switch tu ke zid? anyway gua caya la sama lu...
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| deadzid |
| Posted: Wed Nov 09, 2005 8:44 am Post subject: |
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Joined: 13 Feb 2004
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Location: Shah Alam
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| silbi wrote: | | anyways, interested with that hush pedal? kat sini ada jual ke? berapa sen menatang tu and what's the purpose? i believe it's some sort of noise gate / noise surpressor?? |
Rocktron Hush The Pedals tu lebih kurang mcm noise gate / supressor la.. kat sini diaorang (Mahogany) tak bawak masuk, kalau order kat oversea lebih kurang RM350 (includes shipping). tapi beter ko baca review dulu pasal menatang nih, ada yg kata bagus, ada yg kata mcm gampang! ntah la...
| kudo wrote: | caya lah. ini kena tgk gambar bila siap ni.
aku pemalas... beli LOOOPER aje la. hahaha |
yea.. aku dulu pon rasa malas nak buat, order je senang. tapi bila tau beza harga antara buat sendiri dgn beli kat Loooper, so aku decide nak buat sendiri..
well the box dah siap pon, and here goes... presenting the IDRAKI BOX!
tapi design tu sekadar perhiasan je, belom bikin lagi, tu aku just edit dgn photoshop... hehehe currently tgh dlm proses make-up lagi... nak order stencil kat kedai sticker then spray paint... but the box works great!
features:
- 2 loops (A/B)
- Tuner out
- Tuner / mute switch
- Switch to toggle between Loop A / B
- Guitar in + amp out
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Last edited by deadzid on Tue May 29, 2012 7:30 pm; edited 2 times in total |
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| wui223 |
| Posted: Wed Nov 09, 2005 8:53 am Post subject: |
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Joined: 05 Sep 2005
Posts: 123
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| Well done man. Very nice work. How u do the painting on the box? Is it a plastic box ? |
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| deadzid |
| Posted: Wed Nov 09, 2005 8:59 am Post subject: |
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Joined: 13 Feb 2004
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Location: Shah Alam
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yup the enclosure is plastic alright.. the paint job is not done yet, still in progress, the painting you see in the pic is just some photoshop magic! but that won't be a problem, you can just order your own stencil from a sticker shop for that purpose..
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| deadzid |
| Posted: Wed Nov 09, 2005 9:23 am Post subject: |
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Mod Squad
Joined: 13 Feb 2004
Posts: 3891
Location: Shah Alam
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| LOFX wrote: | | cik zid ni lupa ke nak kasi diapunya bahan2 ramuan utk mmbuat loops ni spt skru, penabur, kalsium sulphate dll, keterangan dah paham cuma barang nye je yg tak tau apa nak dbeli. trima kasih!! |
tak lupa... kan aku dah cakap lepas raya ni aku akan explain... so ini la bahan2 yg diperlukan...
Sebelum kita mulakan, kita kena sediakan bahan-bahan yang diperlukan untuk projek ni. Antara komponen yang penting ialah:
- 2 DPDT switch
- 7 mono jack (saiz 1/4")
- Enclosure (casing)
- Wires
Semua bahan-bahan tersebut boleh didapati dengan mudah di mana-mana kedai elektronik sepanjang area Jalan Pasar, kecuali switch DPDT. Switch ni memang susah nak dapat, yang aku tau kat Woh Fatt Music House je ada jual. Tapi dia tak panggil DPDT, dia tulis "switch for wah-wah pedal". Harga situ tulis RM22 each, tapi boleh kautim dapatkan less RM2 each.
Ok, sekarang mari kita kira modal untuk bikin projek ni:
| Code: | Item Name Price/unit Quantity Total
-----------------------------------------------------
DPDT switch RM 20.00 2 RM 40.00
1/4" jack RM 1.50 7 RM 10.50
Plastic enclosure RM 4.50 1 RM 4.50
Wire RM 0.20 3 RM 0.60
=====================================================
Main Total RM 55.60
===================================================== |
So, dengan budget sebanyak RM55.60, kita boleh bikin looper box sendiri yang bernilai lebih kurang RM300+ kalau order kat oversea! Tapi perlu diingat, kos ni tidak termasuk perkakas lain seperti soldering iron, solder lead (timah), drill (untuk tebuk lubang pada enclosure), spray paint, sand paper, screw driver, etc.
Tips:
- Untuk enclosure, aku rekemen kalau boleh dapatkan casing yang diperbuat daripada aluminium / besi sebab plastik tak sesuai untuk tujuan "grounding" yang berkesan bagi mengurangkan noise!
- Untuk solder lead pulak, cuba cari brand "Finex" 60/40 (diameter 1.2mm) sebab bagi aku timah ni sangat senang untuk dicairkan dan disolder, tapi ia menghasilkan asap yang banyak, so jangan la sedut asap tuh.
- Lastly, untuk wire, cari la yang ada single dawai dalam wire tu, sebab senang untuk "ikat" pada point untuk disolder nanti. Wire yang aku beli tu kira RM0.20 semeter, lebih dari cukup.
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Last edited by deadzid on Tue May 29, 2012 7:32 pm; edited 1 time in total |
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