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Sijosae's DIY Gallery
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- iHybrid Nano II (Tube Hybrid Headphone
Amplifier, powerd by 12 VDC)
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Headphone Amp (I built 130+ headphone
amps. 70+ amps are shown here.)
- CMOY
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All in one
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Clip (or pin)
case
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Nude type-1
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Nude type-2 a b
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Plug-in type
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Battery CMOY a b c d
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Tiny CMOY-1 a b c
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Tiny CMOY-2 (SMD
type OP-Amp, discrete rail splitter)
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Micro CMOY a b c (SMD version)
- RA-1 Clone a b c
- A47
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Battery A47 a b c d e
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Tiny A47-1 a b (SIP8 type OP-Amp)
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Tiny A47-2 a b
- Eaton a b
- Szekeres
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3 Szekeres
amps
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Original
version-1
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Original
version-2
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Original
version-3 (KAPLA case)
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Tomo version a b (KAPLA case)
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DC
coupled version
- Tori (KAPLA
case)
- SDS a b c (KAPLA case)
- Borbely Clone
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Altoid
tin-1
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Altoid
tin-2
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- Gilmore
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Original version-1 a b c (KAPLA
case)
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Original
version-2
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w/o DC servo a b c
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Simple
& easy version
- Meier
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w/o crossfeed-1 a b
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w/o crossfeed-2 a b c d
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w/ crossfeed-1 a b c d
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w/ crossfeed-2 a b c
- BUF634 buffered
Amp
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META42
clone-1
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META42 clone-2 a b c d e
- Discrete buffered
Amp
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OP
amp + simple push-pull buffer-1
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OP
amp + simple push-pull buffer-2
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OP
amp + simple push-pull buffer-3 (w/ discrete rail splitter)
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OP
amp + simple class-AB buffer-4 (current mirror push-pull)
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OP
amp + simple class-AB buffer-5 (current mirror push-pull)
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OP
amp + simple class-AB buffer-6 (LM317LZ-CCS biased push-pull)
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OP
amp + Jung's Diamond buffer w/ multiloop-1 (butterfly
amp in a film case)
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OP amp + Jung's Diamond buffer w/ multiloop-2 a b
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OP
amp + Jung's Diamond buffer w/ multiloop-3
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OP amp + Jung's Diamond buffer w/ multiloop-4 a b
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OP amp + selectable buffer w/ multiloop a
b
- Kumisa III a b c d e (+/-12VDC version)
- Satri Clone
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w/ BUF634 a b
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w/ Jung's
diamond buffer
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w/ selectable (daughter board) buffer a b c
- TDA1308
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3xAA
(buffered
amp & CMOY-type)
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2xAAA
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3xAAA & 9V a b
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Powered
by USB
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2xAA
(2.5V amp !!!, using LM2664 voltage inverter)
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1xAA
(1.2V amp !!!, 1.2V Battery - MAX1676
- LM2664 - TDA1308)
- TPA6120 a
b c
- 74HCU04 a b
- Headphone Driver
(Buffer)
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Eaton, Simpson, Diamond a b
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Tuna can diamond c d
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Diamond-1 a b c
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Diamond-2 a b
- Hybrid (Tube
+ MOSFET) ( current my favorite amp)
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Multi-hybrid-1
(6922 + IRF610)
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Multi-hybrid-2
(6111WA + IRF610)
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Multi-hybrid-3
(6922 + IRF610)
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Multi-hybrid-4
(6922 + IRF610)
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Multi-hybrid-5 (12AU7 + IRF610) a b
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Altoids
Tin Hybrid Amp (6922 + IRF610)
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12V
Hybrid (6922 + BUF634)
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9V
Hybrid (6922 + TDA1308)
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12V
Hybrid (6922 + NJM4556)
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iHybrid
Nano (6111 + NJM4556)
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iHybrid
Nano II (6111 + Diamond Buffer)
- etc.
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My historic
(1st) headphone amp (Oct. 2001)
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2 TR amp a b
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3 TR amp
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3V amp a b
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Digital
amp mod. (stand alone "Hurricane" PC-card amp)
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KAPLA amps
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Tin amps (two A47s & TPA6120) a b
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The others
- Power Supply
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Quad & virtual ground
(78xx+79xx, 2 resistors+dual
OP amp)
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Dual (78xx
+ 79xx)
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Quad (78xx
+ 79xx)
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Adjustable dual a b
(317
+ 337)
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Semi-Kubota (single)
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Kubota PS clone (dual)
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Simplest PS a b
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Virtual ground-1
(2
resistors + dual OP amp)
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Virtual ground-2
(2
resistors + dual OP amp)
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Discrete virtual ground
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Discrete rail splitter-1
(replacement
for TLE2426)
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Discrete rail splitter-2
(replacement
for TLE2426)
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DC to DC step-up converter (MC34063A, LM2577T-ADJ)
- Converter socket
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Class A
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Dual to single
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Dual OP-Amp
Buffer to BUF634
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Dual OP-Amp
Buffer to EL2001
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BUF634 to
Dual OP-Amp Buffer
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BUF634
to EL2001
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EL2001
to BUF634
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Single OP-Amp
Buffer to BUF634
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Gain reducer
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Multiloop
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Class
AB Buffer to BUF634
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Diamond
Buffer to BUF634
- Gainclone
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Gainclone a b
(LM1875)
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Gain pipe a b
(LM1875)
- Speaker
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Back load horn (Fostex 4") a b c d
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KAPLA speaker
(w/ LM1875 Gainclone)
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Water bottle speaker a b c
- Accessary
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Volume control
plug
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Schottky bridge diode
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CCS module-1
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CCS module-2
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Jung's diamond
buffer module-1
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Jung's diamond
buffer module-2
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BUF634 pin compatible buffer module a b (class-AB push-pull buffer)
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Dummy headphone
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Load resistor jack a b
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120 ohm load
jack
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Modifed Linkwitz crossfeed
module
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Modifed Linkwitz crossfeed
plug
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XinFeed plug-1
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XinFeed plug-2 a b
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XinFeed module
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LP stabilizer
- Tip
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Array resistor
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Speaker spike (steel ball
+ nut)
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Heat sink-1
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Heat sink-2
(bottle cap)
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Lego (clone) knob
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Stereo plug fixing
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Shaft extender
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SMD to DIP-1
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SMD to DIP-2
(my favorite method)
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SMD to DIP-3
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SMD to DIP-4
(recommend!)
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SMD to DIP-5
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DIP to SMD
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Connector & tube socket a b
(D-sub connector pin)
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Insulation pad
(out of the Teflon seal: press
with an iron)
- Tool
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Iron stand
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Lead bender for
TO-92
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Mini hot plate
for etching
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Source selector-1 (especially for the blind
A/B test)
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Source selector-2
- Circuit
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TR hFE checker
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Dual OP-amp rail
splitter
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Discrete rail
splitter I, II
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Tube hybrid headphone amp a
b c
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Constant current
source
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Voltage reference
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LM317 input buffer
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Class-AB headphone
amp
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12V Tube hybrid
headphone amp
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Simple OP-Amp
tester
- etc.
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Dimmer (especially for the solder iron power control)
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Digital thermometer
(DVM) (ICL7107 + LM35)
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KAPLA cases
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Battery snap lantern a b
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RCA plug lantern
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LED sound level
meter-1 (KA2281)
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LED sound level
meter-2 (KA2281)
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Peak detector
(mainly for the clipping check)
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PC remote control
(winamp play/pause, next/prev, volume up/down)
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Sine-wave generator-1
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Sine-wave generator-2
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1.5V LED Flashlight
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Test equipment
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Simple OP-Amp tester a b
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My DIY etching procedure
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- Drawings
& Stamps
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James Dean (mechanical
pencil) (at age 18)
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Dr. Zhivago (ballpoint
pen) (at age 18)
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Clint Eastwood
(mechanical pencil) (at age 16)
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Dustin Hoffman, Jackie Chan, Harrison J. Ford (mechanical pencil) (at age 17?)
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Stamps for X-mas card (50x25 mm eraser) a
b
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www.headphoneamp.co.kr - www.has.pe.kr
- ÇϽº (last modification: 2005.12.31)
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