Description Price (USD) Quantity Notes
Mini³ headphone amplifier printed circuit board and accessories
$10.00each
3 channels onboard Includes 3 ferrite beads and 1 set of battery contacts
M³ headphone amplifier printed circuit board
$21.00each
3 channels onboard
α10 stereo pre-amplifier backplane printed circuit board
$45.00each
Also need σ22, σ25, LCDuino-1, δ1, δ2, 2x α20 and related parts
α20 line amplifier printed circuit board
$8.00each
1 channel onboard
β22 amplifier printed circuit board
$12.00each
1 channel onboard
ε22 backplane printed circuit board
$35.00each
For 3-channel active-ground β22 amp
σ11 single-rail regulated power supply printed circuit board
$10.00each
PSU for M³ and others Back in stock!
σ22 dual-rail regulated power supply printed circuit board
$12.00each
PSU for α10, β22, β24, dynalo, dynahi and others
β24 fully-differential power amplifier printed circuit board
$45.00each
1 balanced channel onboard
CK²III (Cavalli-Kan Kumisa III) headphone amplifier printed circuit board
$12.00each
2 channels + PSU onboard
ε24 power switch driver printed circuit board
$9.00each
σ24 power transformer printed circuit board
$6.50each
For EI-30 transformers Optional companion to σ25 and ε24
σ25 regulated power supply printed circuit board
$7.00each
χ1 LiPo battery board for Mini³ and accessory
$8.00each
Includes one SIP-3 pin header
δ1 relay-based stereo R-2R attenuator printed circuit board and accessory
$12.50each
Part of the LCDuino-1 system Includes one ferrite bead 1 board for stereo/unbalanced 2 boards for stereo/balanced
δ2 relay-based stereo input/output selector printed circuit board and accessory
$12.50each
Part of the LCDuino-1 system Includes one ferrite bead 1 board for stereo/unbalanced 2 boards for stereo/balanced
ε12 muting / protect printed circuit board for headphone amps
$8.00each
Now ε12 v2
ε27 volume pot mounting board for Alps RK27 stereo potentiometer
$5.00each
Also compatible with Noble AP25 stereo pot
LCDuino-1 display I/O processor printed circuit board and accessories
$15.00each
Part of the LCDuino-1 system Includes two SIP-6 pin headers
γ1 modular miniature DAC printed circuit board set and accessories
$12.00each
Includes 1 USB board, 1 DAC board, 5 ferrite beads and 1 SIP-9 pin header
γ2 compact high performance DAC printed circuit board and accessories
$15.00each
Includes 5 ferrite beads and 1 SIP-9 pin header Requires γ1 PCB set and parts
dynahi PSU dual-rail regulated power supply printed circuit board
$12.00each
Recommend using σ22 instead
Mini³ pre-drilled and engraved aluminum panels, front and rear
$40.00set
1 set needed per Mini³ amp New rear panel markings work with NiMH or LiPo power options
γ1 pre-drilled and engraved aluminum panels, front and rear
$40.00set
1 set needed for γ1 full config
γ2 pre-drilled and engraved aluminum panels, front and rear
$48.00set
1 set needed for γ2 with all features
Aavid-Thermalloy 531102B00000 1.5" extruded TO-220 heatsink (10.4°C/W)
$1.50each
6 needed per M³ board
Aavid-Thermalloy 529802B00000 1.5" extruded TO-220 heatsink (3.7°C/W)
$2.00each
4 needed per β22 board 4 needed per σ22 board 2 needed per σ11 board
International Rectifier IRFZ24N / IRF9Z34N power MOSFET complementary pair (TO-220)
$3.50pair
2 pairs needed per β22 board 2 pairs needed per σ22 board 3 pairs needed per M³ board.
International Rectifier IRLZ24N power MOSFET (TO-220)
$3.50pair
1 pair needed per σ11 board 1 needed per ε24 board
Fairchild 2N5486 N-channel JFET (TO-92)
$0.50pair
3 pairs needed per M³ board Not matched for Idss as it is not necessary
Fairchild 2N5484 N-channel JFET (TO-92)
$0.50pair
1 pair needed per M³ board Not matched for Idss as it is not necessary
Toshiba 2SA1015GR PNP small-signal transistor (TO-92)
$0.60each
12 needed per dynalo board Limited quantities available
Toshiba 2SA1145Y PNP small-signal transistor (TO-92mod)
$1.20each
3 needed per dynahi board
Toshiba 2SC1815GR NPN small-signal transistor (TO-92)
$0.60each
12 needed per dynalo board Limited quantities available
Toshiba 2SC2705Y NPN small-signal transistor (TO-92mod)
$1.20each
3 needed per dynahi board
Toshiba 2SK170BL N-channel low noise JFET (TO-92)
$2.90each
2 needed for two α20 boards 2 needed per β22 board 4 needed per β24 board 2 needed per CK²III board 4 needed per dynalo board 2 needed per dynahi board See below for Idss matching service(Reserved item: see notes above before ordering)
Toshiba 2SJ74BL P-channel low noise JFET (TO-92)
$2.90each
2 needed for two α20 boards 2 needed per β22 board 4 needed per β24 board 2 needed per CK²III board 4 needed per dynalo board 2 needed per dynahi board See below for Idss matching service(Reserved item: see notes above before ordering)
Matching service for two 2SK170BL and two 2SJ74BL (JFETs not included!)
$4.00quad
Idss matched to within 0.5mA 1 quad needed for two α20 boards 1 quad needed per β22 board 2 quads needed per β24 board 1 quad needed per CK²III board 2 quads needed per dynalo board 1 quad needed per dynahi board
Fairchild PN4392 N-channel JFET (TO-92)
$0.50pair
1 pair needed per β22 board Not matched for Idss as it is not necessary
Bivar 3BC-3-CA-F bi-color LED, common anode, 3mm
$0.34each
1 needed per χ1 board
Fairchild BC546B NPN 65V small signal transistor (TO-92)
$0.20each
6 needed per σ22 board 3 needed per σ11 board 3 needed per ε12 v2 board
Fairchild BC556B PNP 65V small signal transistor (TO-92)
$0.20each
6 needed per σ22 board 3 needed per σ11 board 2 needed per ε12 v2 board
Semitec E-202 2.0mA current regulator diode (DO-35)
$2.30each
2 needed per σ11 board 2 needed per σ22 board
Semitec E-501 0.5mA current regulator diode (DO-35)
$2.30each
8 needed per β22 board 6 needed per β24 board
Semitec E-562 5.6mA current regulator diode (DO-35)
$2.30each
1 needed per σ11 board 2 needed per σ22 board
Fairchild BC550C NPN 45V small signal transistor (TO-92)
$0.20each
2 needed per α20 board 8 needed per β22 board 12 needed per β24 board 10 needed per CK²III board
Fairchild BC560C PNP 45V small signal transistor (TO-92)
$0.20each
1 needed per α20 board 8 needed per β22 board 12 needed per β24 board 8 needed per CK²III board
12.000MHz 20pF crystal HC49USX low profile
$0.50each
1 needed per γ1 board
Texas Instruments TLE2426CLP virtual ground rail splitter chip (TO-92)
$1.80each
1 needed per M³ board 1 needed per Mini³ board
Fairchild BZX55C12 12V 500mW low noise zener diode (DO-35)
$0.25each
8 needed per β22 board 8 needed per β24 board 1 needed per σ22 board (certain output voltages) 1 needed per σ11 board (certain output voltages) 1 needed per Mini³ board
TDK FK20 10µF 16V X7R multilayer ceramic capacitor
$0.75each
2 needed per χ1 board
Omron G6JU-2P-Y-DC4.5 4.5V DPDT latching miniature relay
$4.50each
up to 8 needed per δ1 board up to 8 needed per δ2 board
Wima MKS2 1µF 63V MKS film capacitor
$0.90each
1 needed per α20 board 7 needed per β22 board 6 needed per β24 board 4 needed per σ22 board 2 needed per σ11 board 13 needed per M³ board 1 needed per ε12 board 3 needed for γ1 full config 1 more for γ1 USB-to-S/PDIF converter or full++ config 2 needed per γ2 board
Kemet/Evox-Rifa MMK 3900pF 63V MKT film capacitor
$0.20each
2 needed per σ22 board 1 needed per σ11 board
JW Miller 79F470K 47µH miniature inductor
$0.30each
1 needed for γ1 full config, 1 more for γ1 USB-to-S/PDIF converter or full++ config
1KΩx10 resistor network, bussed (SIP-11) (Bourns 4611X-101-102LF or similar)
$0.45each
2 needed per δ1 board 2 needed per δ2 board
47KΩx5 resistor network, bussed (SIP-6) (Bourns 4606X-101-473LF or similar)
$0.30each
2 needed for γ1 full config
47KΩx8 resistor network, bussed (SIP-9) (Bourns 4609X-101-473LF or similar)
$0.40each
2 needed per δ1 board 2 needed per δ2 board
47Ωx8 resistor network, bussed (SIP-9) (Bourns 4609X-101-470LF or similar)
$0.40each
2 needed per δ1 board 2 needed per δ2 board
68Ωx4 resistor network, isolated (SIP-8) (Bourns 4608X-102-680LF or similar)
$0.30each
1 needed for γ1 all configs, except USB-to-S/PDIF or USB-to-I²S 2 needed per γ2 board
DC power jack, 2.5mm center pin, PCB-mount, Kycon KLDX-0202-B (or similar)
$0.40each
1 needed per Mini³ board
DC power jack, 1.3mm center pin, PCB-mount, CUI PJ-053DH
$0.70each
1 needed per γ1 board
3.5mm stereo mini phone jack, isolated, PCB-mount, CUI SJ1-3533NG
$1.10each
2 needed per Mini³ board 1 needed per γ1 board 1 needed per γ2 board
RCA jack, PCB-mount (same as CUI RCJ-041 but with gold-plated contacts)
$1.25each
1 needed for γ1 full config 1 more for γ1 USB-to-S/PDIF converter or full++ config 2 needed per γ2 board
3P single row pin receptacle, 0.1" pitch (Sullins PPPC or equivalent)
$0.40each
1 needed per γ1 board 1 needed per γ2 board 2 needed per α10 backplane 1 needed per χ1 board
5P single row pin receptacle, 0.1" pitch (Sullins PPPC or equivalent)
$0.50each
1 needed per γ1 board 1 needed per γ2 board 2 needed per α10 backplane
6P single row pin receptacle, 0.1" pitch (Sullins PPPC or equivalent)
$0.55each
2 needed per LCDuino-1 board 2 needed per α10 backplane
Alps RK0971221Z05 miniature stereo potentiometer with SPST switch, 10KΩ
$3.25each
1 needed per Mini³ board For portable amplifier volume and power
Alps RK16812MG099 dual potentiometer, 100KΩ motorized
$12.00each
1 needed for LCDuino-1
Alps RK27112A "blue velvet" premium stereo potentiometer, 50KΩ
$16.00each
1 needed for α20, β22, M³, CK²III, dynalo or dynahi volume control, 1 more for M³ bass boost. ε27 board recommended for α20, β22, CK²III, dynalo and dynahi!
Analog Devices AD8397ARDZ rail-to-rail high output current dual opamp (SOIC-8 with E-pad)
$5.90each
1 needed per Mini³ board "high performance"
TI/Burr-Brown OPA690ID wideband high output current opamp (SOIC-8)
$3.35each
1 needed per Mini³ board "high performance"
National Semiconductor LMH6642MA rail-to-rail low-power opamp (SOIC-8)
$1.90each
1 needed per Mini³ board "extended runtime"
National Semiconductor LMH6643MA rail-to-rail low-power dual opamp (SOIC-8)
$2.30each
1 needed per Mini³ board "extended runtime"
Atmel ATMEGA328P-PU microcontroller (DIP-28), Pre-flashed with bootloader and Volu-Master firmware
$6.00each
1 needed per LCDuino-1 board
Toshiba TORX147PL Toslink fiber-optic receiver
$2.15each
1 needed for γ1 full config
Toshiba TOTX147PL Toslink fiber-optic transmitter
$3.50each
1 needed for γ1 USB-to-S/PDIF converter or full++ config
Texas Instruments TPS2115APW power multiplexer (TSSOP-8)
$2.65each
1 needed per γ1 board
Wolfson WM8501GED/V 24b/192K high performance DAC (SOIC-14)
$2.50each
1 needed per γ1 board