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Welcome to AMB audio shop. Please use this order form to purchase parts.
A discount will be applied for items totaling over $100, $250 and $500.

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Description Price (USD) Quantity Notes
Mini³ headphone amplifier printed circuit board and accessories $10.00
each		 3 channels onboard
Includes 3 ferrite beads and 1 set of battery contacts 
M³ headphone amplifier printed circuit board $21.00
each		 3 channels onboard 
α10 stereo pre-amplifier backplane printed circuit board $45.00
each		 Also need σ22, σ25, LCDuino-1, δ1, δ2, 2x α20 and related parts 
α20 line amplifier printed circuit board $5.00
each		 1 channel onboard 
β22 amplifier printed circuit board $12.00
each		 1 channel onboard 
σ11 single-rail regulated power supply printed circuit board $10.00
each		 PSU for M³ and others 
σ22 dual-rail regulated power supply printed circuit board $12.00
each		 PSU for α10, β22, β24, dynalo, dynahi and others 
β24 fully-differential power amplifier printed circuit board $45.00
each		 1 balanced channel onboard 
CK²III (Cavalli-Kan Kumisa III) headphone amplifier printed circuit board $12.00
each		 2 channels + PSU onboard 
ε24 power switch driver printed circuit board $9.00
each		  
σ24 power transformer printed circuit board $6.50
each		 For EI-30 transformers
Optional companion to σ25 and ε24 
σ25 regulated power supply printed circuit board $7.00
each		  
χ1 LiPo battery board for Mini³ and accessory
New!		 $8.00
each		 Includes one SIP-3 pin header 
δ1 relay-based stereo R-2R attenuator printed circuit board and accessory $12.50
each		 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 $12.50
each		 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 $8.00
each		 Now ε12 v2 
ε27 volume pot mounting board for Alps RK27 stereo potentiometer $5.00
each		 Also compatible with Noble AP25 stereo pot 
LCDuino-1 display I/O processor printed circuit board and accessories $15.00
each		 Part of the LCDuino-1 system
Includes two SIP-6 pin headers 
γ1 modular miniature DAC printed circuit board set and accessories $12.00
each		 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 $15.00
each		 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 $12.00
each		 Recommend using σ22 instead 
dynalo headphone amplifier printed circuit board $12.00
each		 2 channels onboard 
Mini³ pre-drilled and engraved aluminum panels, front and rear $40.00
set		 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 $40.00
set		 1 set needed for γ1 full config 
γ2 pre-drilled and engraved aluminum panels, front and rear $48.00
set		 1 set needed for γ2 with all features 
Aavid-Thermalloy 531102B00000 1.5" extruded TO-220 heatsink (10.4°C/W) $1.50
each		 6 needed per M³ board 
Aavid-Thermalloy 529802B00000 1.5" extruded TO-220 heatsink (3.7°C/W) $2.00
each		 4 needed per β22 board
4 needed per σ22 board
2 needed per σ11 board 
International Rectifier IRFZ24N / IRF9Z34N power MOSFET, tested complementary pair (TO-220) $3.50
pair		 2 pairs needed per β22 board
2 pairs needed per σ22 board
3 pairs needed per M³ board. 
International Rectifier IRLZ24N power MOSFET, tested pair (TO-220) $3.50
pair		 1 pair needed per σ11 board
1 needed per ε24 board 
Fairchild 2N5486 N-channel JFET (TO-92), tested pair for M³ cascode current source $0.50
pair		 3 pairs needed per M³ board
Not matched for Idss as it is not necessary 
Fairchild 2N5484 N-channel JFET (TO-92), tested pair for M³ capacitance multiplier $0.50
pair		 1 pair needed per M³ board
Not matched for Idss as it is not necessary 
Toshiba 2SA1015GR PNP small-signal transistor (TO-92) $0.60
each		 12 needed per dynalo board 
Toshiba 2SA1145Y PNP small-signal transistor (TO-92mod) $1.20
each		 3 needed per dynahi board 
Toshiba 2SC1815GR NPN small-signal transistor (TO-92) $0.60
each		 12 needed per dynalo board 
Toshiba 2SC2705Y NPN small-signal transistor (TO-92mod) $1.20
each		 3 needed per dynahi board 
Toshiba 2SK170BL N-channel low noise JFET (TO-92) $2.50
each		 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 
Toshiba 2SJ74BL P-channel low noise JFET (TO-92) $2.50
each		 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 
Matching service for two 2SK170BL and two 2SJ74BL (JFETs not included) $4.00
quad		 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), tested pair for β22 output cascode $0.50
pair		 1 pair needed per β22 board
Not matched for Idss as it is not necessary 
Central Semiconductor 1N5291 0.56mA current regulator diode (DO-35) $5.00
each		 8 needed per β22 board
6 needed per β24 board 
Central Semiconductor 1N5306 2.2mA current regulator diode (DO-35)
New!		 $6.00
each		 2 needed per σ11 board
2 needed per σ22 board
Estimated restock Nov 4, 2011 
Central Semiconductor 1N5314 4.7mA current regulator diode (DO-35)
New!		 $6.00
each		 1 needed per σ11 board
2 needed per σ22 board 
Bivar 3BC-3-CA-F bi-color LED, common anode, 3mm
New!		 $0.34
each		 1 needed per χ1 board 
Fairchild BC546B NPN 65V small signal transistor (TO-92) $0.20
each		 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) $0.20
each		 6 needed per σ22 board
3 needed per σ11 board
2 needed per ε12 v2 board 
Fairchild BC550C NPN 45V small signal transistor (TO-92) $0.20
each		 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) $0.20
each		 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 $0.50
each		 1 needed per γ1 board 
Texas Instruments TLE2426CLP virtual ground rail splitter chip (TO-92) $1.80
each		 1 needed per M³ board
1 needed per Mini³ board 
Fairchild BZX55C12 12V 500mW low noise zener diode (DO-35) $0.25
each		 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
New!		 $0.75
each		 2 needed per χ1 board 
Omron G6JU-2P-Y-DC4.5 4.5V DPDT latching miniature relay $4.50
each		 up to 8 needed per δ1 board
up to 8 needed per δ2 board 
Wima MKS2 1µF 63V MKS film capacitor $0.90
each		 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 $0.20
each		 2 needed per σ22 board
1 needed per σ11 board 
JW Miller 79F470K 47µH miniature inductor $0.30
each		 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) $0.45
each		 2 needed per δ1 board
2 needed per δ2 board 
47KΩx5 resistor network, bussed (SIP-6) (Bourns 4606X-101-473LF or similar) $0.30
each		 2 needed for γ1 full config 
47KΩx8 resistor network, bussed (SIP-9) (Bourns 4609X-101-473LF or similar) $0.40
each		 2 needed per δ1 board
2 needed per δ2 board 
47Ωx8 resistor network, bussed (SIP-9) (Bourns 4609X-101-470LF or similar) $0.40
each		 2 needed per δ1 board
2 needed per δ2 board 
68Ωx4 resistor network, isolated (SIP-8) (Bourns 4608X-102-680LF or similar) $0.30
each		 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) $0.40
each		 1 needed per Mini³ board 
DC power jack, 1.3mm center pin, PCB-mount, CUI PJ-053DH $0.70
each		 1 needed per γ1 board 
3.5mm stereo mini phone jack, isolated, PCB-mount, CUI SJ1-3533NG $1.10
each		 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) $1.25
each		 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) $0.40
each		 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) $0.50
each		 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) $0.55
each		 2 needed per LCDuino-1 board
2 needed per α10 backplane 
Alps RK0971221Z05 miniature stereo potentiometer with SPST switch, 10KΩ $3.25
each		 1 needed per Mini³ board
For portable amplifier volume and power 
Alps RK16812MG099 dual potentiometer, 100KΩ motorized $12.00
each		 1 needed for LCDuino-1 
Alps RK27112A "blue velvet" premium stereo potentiometer, 50KΩ $16.00
each		 no stock1 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
This item is on order. 
Analog Devices AD8397ARDZ rail-to-rail high output current dual opamp (SOIC-8 with E-pad) $4.90
each		 1 needed per Mini³ board "high performance" 
TI/Burr-Brown OPA690ID wideband high output current opamp (SOIC-8) $3.35
each		 1 needed per Mini³ board "high performance" 
National Semiconductor LMH6642MA rail-to-rail low-power opamp (SOIC-8) $1.90
each		 1 needed per Mini³ board "extended runtime" 
National Semiconductor LMH6643MA rail-to-rail low-power dual opamp (SOIC-8) $2.30
each		 1 needed per Mini³ board "extended runtime" 
Atmel ATMEGA328P-PU microcontroller (DIP-28),
Pre-flashed with bootloader and Volu-Master firmware 		$6.00
each		 1 needed per LCDuino-1 board 
TI/Burr-Brown PCM2707PJT USB DAC (TQFP-32) $8.50
each		 1 needed per γ1 board 
Toshiba TORX147PL Toslink fiber-optic receiver $2.15
each		 1 needed for γ1 full config 
Toshiba TOTX147PL Toslink fiber-optic transmitter $3.50
each		 1 needed for γ1 USB-to-S/PDIF converter or full++ config 
Texas Instruments TPS2115APW power multiplexer (TSSOP-8) $2.65
each		 1 needed per γ1 board 
Wolfson WM8501GED/V 24b/192K high performance DAC (SOIC-14) $2.50
each		 1 needed per γ1 board 

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  • No cash or personal check please.
  • See the AMB audio shop shop policy for complete details.

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Rush shipment via Express Mail?
No
Yes

Purchase USPS shipping insurance?
No
Yes
  • AMB audio shop ships worldwide.
  • Priority Mail to USA domestic destinations.
  • Priority Mail International to International destinations in most cases.
  • These provide the best combination of reasonable cost and fast shipping time.
  • Express Mail is available for the fastest shipping time ( USA / international ).
  • AMB may ship via an alternate method at its discretion. If you require a different shipping method than those listed, please contact AMB before committing the order.
  • Shipping insurance is recommended for coverage against damage or loss in transit.
  • See the AMB audio shop shop policy for complete details.

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