Sijosae's DIY Gallery


 
iHybrid Nano II (Tube Hybrid Headphone Amplifier, powerd by 12 VDC)
 
 
Headphone Amp (I built 130+ headphone amps. 70+ amps are shown here.)
         CMOY
            - All in one
            - Clip (or pin) case
            - Nude type-1
            - Nude type-2 a b
            - Plug-in type
            - Battery CMOY a b c d
            - Tiny CMOY-1 a b c
            - Tiny CMOY-2  (SMD type OP-Amp, discrete rail splitter)
            - Micro CMOY a b c  (SMD version)
         RA-1 Clone a b c
         A47
            - Battery A47 a b c d e
            - Tiny A47-1 a b  (SIP8 type OP-Amp)
            - Tiny A47-2 a b
         Eaton a b
         Szekeres
            - 3 Szekeres amps
            - Original version-1
            - Original version-2
            - Original version-3   (KAPLA case)
            - Tomo version a b   (KAPLA case)
            - DC coupled version
         Tori  (KAPLA case)
         SDS a b c  (KAPLA case)
         Borbely Clone
            - Altoid tin-1
            - Altoid tin-2
         SHA
         Gilmore
            - Original version-1 a b c  (KAPLA case)
            - Original version-2
            - w/o DC servo a b c
            - Simple & easy version
         Meier
            - w/o crossfeed-1 a b
            - w/o crossfeed-2 a b c d
            - w/ crossfeed-1 a b c d
            - w/ crossfeed-2 a b c
         BUF634 buffered Amp
            - META42 clone-1
            - META42 clone-2 a b c d e
         Discrete buffered Amp
             - OP amp + simple push-pull buffer-1
             - OP amp + simple push-pull buffer-2
             - OP amp + simple push-pull buffer-3  (w/ discrete rail splitter)
             - OP amp + simple class-AB buffer-4  (current mirror push-pull)
             - OP amp + simple class-AB buffer-5  (current mirror push-pull)
             - OP amp + simple class-AB buffer-6  (LM317LZ-CCS biased push-pull)
             - OP amp + Jung's Diamond buffer w/ multiloop-1  (butterfly amp in a film case)
             - OP amp + Jung's Diamond buffer w/ multiloop-2 a b
             - OP amp + Jung's Diamond buffer w/ multiloop-3
             - OP amp + Jung's Diamond buffer w/ multiloop-4 a b
             - OP amp + selectable buffer w/ multiloop a b
         Kumisa III a b c d e  (+/-12VDC version)
         Satri Clone
            - w/ BUF634 a b
            - w/ Jung's diamond buffer
            - w/ selectable (daughter board) buffer a b c
         TDA1308
            - 3xAA  (buffered amp & CMOY-type)
            - 2xAAA
            - 3xAAA & 9V a b
            - Powered by USB
            - 2xAA  (2.5V amp !!!, using LM2664 voltage inverter)
            - 1xAA  (1.2V amp !!!,  1.2V Battery - MAX1676 - LM2664 - TDA1308)
         TPA6120 a b c
         74HCU04 a b
         Headphone Driver (Buffer)
            - Eaton, Simpson, Diamond a b
            - Tuna can diamond c d
            - Diamond-1 a b c
            - Diamond-2 a b
         Hybrid (Tube + MOSFET)  ( current my favorite amp)
            - Multi-hybrid-1 (6922 + IRF610)
            - Multi-hybrid-2 (6111WA + IRF610)
            - Multi-hybrid-3 (6922 + IRF610)
            - Multi-hybrid-4 (6922 + IRF610)
            - Multi-hybrid-5 (12AU7 + IRF610) a b
            - Altoids Tin Hybrid Amp (6922 + IRF610)
            - 12V Hybrid (6922 + BUF634)
            - 9V Hybrid (6922 + TDA1308)
            - 12V Hybrid (6922 + NJM4556)
            - iHybrid Nano (6111 + NJM4556)
            - iHybrid Nano II (6111 + Diamond Buffer)
         etc.
            - My historic (1st) headphone amp  (Oct. 2001)
            - 2 TR amp a b
            - 3 TR amp
            - 3V amp a b
            - Digital amp mod.  (stand alone "Hurricane" PC-card amp)
            - KAPLA amps
            - Tin amps (two A47s & TPA6120) a b
 
The others
         Power Supply
            - Quad & virtual ground (78xx+79xx, 2 resistors+dual OP amp)
            - Dual  (78xx + 79xx)
            - Quad  (78xx + 79xx)
            - Adjustable dual a b  (317 + 337)
            - Semi-Kubota  (single)
            - Kubota PS clone  (dual)
            - Simplest PS a b
            - Virtual ground-1  (2 resistors + dual OP amp)
            - Virtual ground-2  (2 resistors + dual OP amp)
            - Discrete virtual ground
            - Discrete rail splitter-1  (replacement for TLE2426)
            - Discrete rail splitter-2  (replacement for TLE2426)
            - DC to DC step-up converter  (MC34063A, LM2577T-ADJ)
         Converter socket
            - Class A
            - Dual to single
            - Dual OP-Amp Buffer to BUF634
            - Dual OP-Amp Buffer to EL2001
            - BUF634 to Dual OP-Amp Buffer
            - BUF634 to EL2001
            - EL2001 to BUF634
            - Single OP-Amp Buffer to BUF634
            - Gain reducer
            - Multiloop
            - Class AB Buffer to BUF634
            - Diamond Buffer to BUF634
         Gainclone
            - Gainclone a b  (LM1875)
            - Gain pipe a b  (LM1875)
         Speaker
            - Back load horn (Fostex 4") a b c d
            - KAPLA speaker (w/ LM1875 Gainclone)
            - Water bottle speaker a b c
         Accessary
            - Volume control plug
            - Schottky bridge diode
            - CCS module-1
            - CCS module-2
            - Jung's diamond buffer module-1
            - Jung's diamond buffer module-2
            - BUF634 pin compatible buffer module a b  (class-AB push-pull buffer)
            - Dummy headphone
            - Load resistor jack a b
            - 120 ohm load jack
            - Modifed Linkwitz crossfeed module
            - Modifed Linkwitz crossfeed plug
            - XinFeed plug-1
            - XinFeed plug-2 a b
            - XinFeed module
            - LP stabilizer
          Tip
            - Array resistor
            - Speaker spike  (steel ball + nut)
            - Heat sink-1
            - Heat sink-2  (bottle cap)
            - Lego (clone) knob
            - Stereo plug fixing
            - Shaft extender
            - SMD to DIP-1
            - SMD to DIP-2  (my favorite method)
            - SMD to DIP-3
            - SMD to DIP-4  (recommend!)
            - SMD to DIP-5
            - DIP to SMD
            - Connector & tube socket a b  (D-sub connector pin)
            - Insulation pad  (out of the Teflon seal: press with an iron)
         Tool
            - Iron stand
            - Lead bender for TO-92
            - Mini hot plate for etching
            - Source selector-1  (especially for the blind A/B test)
            - Source selector-2
         Circuit
            - TR hFE checker
            - Dual OP-amp rail splitter
            - Discrete rail splitter I, II
            - Tube hybrid headphone amp a b c
            - Constant current source
            - Voltage reference
            - LM317 input buffer
            - Class-AB headphone amp
            - 12V Tube hybrid headphone amp
            - Simple OP-Amp tester
         etc.
            - Dimmer (especially for the solder iron power control)
            - Digital thermometer (DVM)  (ICL7107 + LM35)
            - KAPLA cases
            - Battery snap lantern a b
            - RCA plug lantern
            - LED sound level meter-1  (KA2281)
            - LED sound level meter-2  (KA2281)
            - Peak detector  (mainly for the clipping check)
            - PC remote control  (winamp play/pause, next/prev, volume up/down)
            - Sine-wave generator-1
            - Sine-wave generator-2 
            - 1.5V LED Flashlight
            - Test equipment
            - Simple OP-Amp tester a b
            - My DIY etching procedure
 
         Drawings & Stamps
            - James Dean (mechanical pencil)  (at age 18)
            - Dr. Zhivago (ballpoint pen)  (at age 18)
            - Clint Eastwood (mechanical pencil)  (at age 16)
            - Dustin Hoffman, Jackie Chan, Harrison J. Ford (mechanical pencil)  (at age 17?)
            - Stamps for X-mas card (50x25 mm eraser) a b
            - Sijosae's Avatar
 
 
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