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List of DIY headphone amplifiers - Page 4

post #46 of 64

This is a little bit dead but I just finished building my O2+ODAC and I'm so impressed with the results that I wanted to go further. Any recommendations?

post #47 of 64

Fun build: anything by Bottlehead. 

 

Insane build: QRV08

post #48 of 64

I´ll have to have a look into it to decide which one is the one that suits me better. :L3000:

 

I´m impressed how easy was to build the O2+ODAC, even though they didn´t recommend it for your first project. Some difficulties just in the trade of keeping the batteries in. Awesome combo by the way.

post #49 of 64
Quote:
Originally Posted by Ashade View Post
 

This is a little bit dead but I just finished building my O2+ODAC and I'm so impressed with the results that I wanted to go further. Any recommendations?

 

KGSSHV, Dynahi, Dynalo, b22, Megatron or a Blue Hawaii should be a fun build for you.

post #50 of 64

It's helpful:wink_face:

post #51 of 64
Quote:
Originally Posted by Armaegis View Post
 

Fun build: anything by Bottlehead. 

 

Insane build: QRV08

 

I haven't tried the Bottlehead, but the QRV08 was certainly fun. Also it sounds extremely good.

post #52 of 64
How difficult was the QRV08 build?
post #53 of 64

Took me about six hours to stuff the board. I mean once you learn how much solder to use it becomes easier and much faster than through-hole. Some of the part labels were harder to figure out but all in all - I wouldn't call it too hard if you know what you're doing. I had to troubleshoot two of the shuntregs because of a cold joint and a short. I just followed the schematic and it was alright.

post #54 of 64

I stumbled upon these kits http://www.augustica.com/  randomly while looking for different DIY options and was wondering what you guys think? I can't really find any info other then what the manufacturer  gives or anybody who has built or reviewed one yet. From what I gather they're a pretty new company from Canada and that's it. 

post #55 of 64

Headwise has a new url http://headwize.com

post #56 of 64
Quote:
Originally Posted by WyldRage View Post
 

EDIT: nullstring has made a wiki page with this list here: http://www.head-fi.org/wiki/list-of-diy-headphone-amps

 

I just had a thought: we need a list of current do-it-yourself headphone amplifiers. So here it is. I'll be updating when someone alerts me to new amps or amps that I have missed. Now, since there is a very large amount of circuit designs available, I'll only be listing available kits and PCB (if you want a circuit design only, you should check headwize).

 

And what do you know? I just found a brand new design that came up yesterday (31/01/2011)!

 

*****IMPORTANT***** If the link sends you to a thread, read it before posting. Nothing is worse than a newcomer asking questions that have already been answered.

 

Available as a kit (and sometimes as a PCB).

Available as a PCB.

Available as a group buy (hurry!)

Currently unavailable.

Schematics only. If you're lucky, there might be a bill of materials, or even files to make a PCB.

 

Solid State

AMB α20 (info & PCB)

AMB M3 (info & PCB)

AMB Cavalli-Kan Kumisa III (info & PCB)

AMB β22 (info & PCB) (kit)

DAO & DAO with Taylor CCS (info)

Kevin Gilmore Dynalo (info)   (PCB) 
Kevin Gilmore Dynahi (info) (PCB)

Pavel Macura Audio Dispre 2 - JFET (info & PCB)

Sjöström Audio QRV01 through QRV08 (info & PCB)

Twisted Pear Audio Ventus (info & kit)

"The Wire" (info & Group Buy @ DIY Audio)

 

Hybrid

Aikido 24V line-stage/headphone amplifier (info) (PCB & kit)

Cavalli Audio Compact Tube Hybrid (CTH) (info) (Group Buy @ Head-Fi)

Cavalli Audio Single Opamp Headphone Amplifier II (SOHA II) (info) (PCB & kit)

Cavalli Audio Embedded Hybrid Headphone Amplifier & Revision A (EHHA & EHHA Rev. A) (info) (PCB & kit)

Millett Hybrid MAXed (info) (PCB & kit)

Millett Hybrid MOSFET-MAX (info) (PCB & kit)

Millett Hybrid MiniMax (info) (PCB & kit)

Starving Student Millett Hybrid (info)

 

Tube

Aikido 9-Pin All-in-One Line-Stage/Head-Phone Amplifier (info) (PCB & kit)

Aikido Octal All-in-One Line-Stage/Head-Phone Amplifier (info) (PCB & kit)

Aikido SRPP+ stereo line-stage and headphone amplifier (info) (PCB & kit)

Bottlehead Crack OTL (info & kit)

Bottlehead Single Ended eXperimenter's (S.E.X) (info & kit)

Bottlehead Smack WOT (info & kit)

Cavalli Audio Bijou OTL (info) (PCB & kit)

ecp.cc L'espressivo (info)

Hagerman Technology Castanet (info)

Pete Millett "Jonokuchi" (info & PCB)

Maple Tree Audio Ear+ HD (info & kit)

World Designs HD3S (info & kit)

 

Portable

AMB Mini3 (info & PCB) (kit)

Decware ZKIT3 (info & kit)

CMoy (info) (Bass Boost PCB) (kit)

Oatley Electronics K272A (tube hybrid) (info & kit)

PPA (info & PCB)

PIMETA v2 (info & PCB)

 

Electrostatic

Cavalli Audio eXStatA (Solid State & Hybrid) (info)

Kevin Gilmore All-triode Direct Drive (tube) (info)

Kevin Gilmore Blue Hawaii (hybrid) (info)

Kevin Gilmore Current-Domain (KGSS predecessor?) (info)

Kevin Gilmore Solid State High Voltage (thread)

Kevin Gilmore's Stax SRM-T2 clone (thread)

 

Links

Audiologica (CMoy, PPA & Pimeta)

AMB Laboratories (also stocks PCB for Kevin Gilmore amps)

Beezar (kits for Millett Hybrids)

Bottlehead

Cavalli Audio

Decware

DIY RESOURCES - Kevin Gilmore DYNAMIC HEADPHONE AMPLIFIERS and POWER SUPPLIES

DIYforums.org (Millett Hybrids)

Electric Sumo (CMoy kit)

Glass Jar Audio (kits and PCB for AMB and Cavalli amps)

GlassWare Audio Design (Aikido)

Hagerman Technology

JDS Lab (CMoy Bass Boost PCB)

Maple Tree Audio Design

Oatley Electronics K272A kit

Pavel Macura Audio

Pete Millett's DIY Audio pages

Sjöström Audio

Twister Pear Audio

 

Threads

Thread on "The Wire"

Thread on the DAO

 

Schematics

ecp.cc (several DIY projects)

Headwize Library (DIY with an enphasis on the Y)

 

Hello my friends,

 

I would like to build a headphone amplifier to use with the IEM Unique Melody Miracle 16 ohms. I see many diferent options here and I´m a bit lost. I would like to have some suggestions. I did some diy before... but I´m not an electronic expert... then I´m looking for an amp that can drive well the miracle, with a not so complex project. 

 

I´m not looking for kits... I´m looking for a PCB gerber files, and components list (something with easy parts to find in market).

 

Hope you guys can help.

 

Thanks,

post #57 of 64
Any reason why the torpedo isn't in there?
post #58 of 64
Quote:
Originally Posted by koike View Post

Any reason why the torpedo isn't in there?

 

Sort of ... he copied the OP's original post, which was made in 2011.  The Torpedo was still just prototyping in 2011, with the first true kit sold in 2012, I think.  It really took until 2014 before we finished all of the tweaks and discovered the E90CC/5920 tube.

post #59 of 64
There are new tubes to roll in my torpedo? Does it require any tweaks? Haha.

Edit. Then we should add it in now!
Edited by koike - 9/11/15 at 6:43pm
post #60 of 64
Quote:
Originally Posted by koike View Post

There are new tubes to roll in my torpedo? Does it require any tweaks? Haha.

Edit. Then we should add it in now!

 

No tweaks* - the E90CC/5920 is a drop-in replacement for the 6J6, but it is quite a bit superior - less noise floor, less distortion.  An additional benefit is that they are tall enough that you can swap them out without taking the case lid off.

 

 

* Just to be sure, you need to implement both the zener diode tweak and the heater rectifier snubber caps.  Those are the primary differences from the early Torpedo prototypes and kits versus now.  Both make a huge difference.

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