AMB audio shop

audio shop

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.

View previous order status

If you need parts that are not normally stocked here, and have difficulty getting them, AMB now offers special order service. Please contact AMB for details.

Items

Description	Price (USD)	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
β22 amplifier printed circuit board	$12.00 each	1 channel onboard
ε22 backplane printed circuit board	$35.00 each	For 3-channel active-ground β22 amp
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 β22 and others
CK²III (Cavalli-Kan Kumisa III) headphone amplifier printed circuit board	$12.00 each	2 channels + PSU onboard
ε24 power switch driver printed circuit board *New!*	$9.00 each
σ24 power transformer printed circuit board *New!*	$5.00 each	companion to ε24
ε12 muting / protect printed circuit board for headphone amps	$8.00 each
ε27 volume pot mounting board for Alps RK27 stereo potentiometer *New!*	$5.00 each	Also compatible with Noble AP25 stereo pot
JISBOS buffer amplifier printed circuit board	$5.00 each	1 channel onboard
Mini³ pre-drilled and engraved aluminum panels, front and rear	$40.00 set	1 set needed per Mini³ amp Fabricated to order Lead-time 12 business days
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
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
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
2SK170BL N-channel low noise JFET (TO-92)	$2.10 each	2 needed per β22 board 2 needed per CK²III board 2 needed for two JISBOS boards See below for Idss matching service
2SJ74BL P-channel low noise JFET (TO-92)	$2.10 each	2 needed per β22 board 2 needed per CK²III board 2 needed for two JISBOS boards 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 per β22 board 1 quad needed per CK²III board 1 quad needed for two JISBOS boards
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)	$1.86 each	8 needed per β22 board
BC546B NPN 65V small signal transistor (TO-92)	$0.20 each	6 needed per σ22 board 3 needed per σ11 board
BC556B PNP 65V small signal transistor (TO-92)	$0.20 each	6 needed per σ22 board 3 needed per σ11 board
BC550C NPN 45V small signal transistor (TO-92)	$0.20 each	8 needed per β22 board 10 needed per CK²III board 2 needed per JISBOS board
BC560C PNP 45V small signal transistor (TO-92)	$0.20 each	8 needed per β22 board 8 needed per CK²III board 1 needed per JISBOS board
Vishay-Siliconix J503 0.56mA current regulator diode TO-92)	$1.86 each	Remaining stock for part replacement only. New builds please use 1N5291 Limited quantities available
Texas Instruments TLE2426CLP virtual ground rail splitter chip (TO-92)	$1.30 each	1 needed per M³ board 1 needed per Mini³ board
BZX55C12 12V 500mW low noise zener diode (DO-35)	$0.10 each	8 needed per β22 board 1 needed per σ22 board (certain output voltages) 1 needed per σ11 board (certain output voltages) 1 needed per Mini³ board
Wima MKS2 1µF 63V MKS film capacitor	$0.80 each	Alternative to the Vishay-BC MKT below Limited quantities available
Vishay-BC MKT370 1µF 63V MKT film capacitor	$0.45 each	7 needed per β22 board 4 needed per σ22 board 2 needed per σ11 board 13 needed per M³ board 1 needed per ε12 board 1 needed per JISBOS board
DC power jack, 2.5mm center pin, PCB-mount, Kycon KLDX-0202-B (or similar)	$0.40 each	1 needed per Mini³ board
3.5mm stereo mini phone jack, isolated, PCB-mount, CUI SJ1-3533NG	$0.60 each	2 needed per Mini³ board
Alps RK0971221Z05 miniature stereo potentiometer with SPST switch, 10KΩ	$3.25 each	1 needed per Mini³ board For portable amplifier volume and power
Alps RK27112A "blue velvet" premium stereo potentiometer, 50KΩ	$16.00 each	1 needed for β22, M³ or CK²III volume control, 1 more for M³ bass boost. ε27 PCB recommended for β22 and CK²III
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)	$2.70 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)	$1.90 each	1 needed per Mini³ board "extended runtime"

Contact information

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Payment method

PayPal
Money order/Certified check

PayPal : Quickest method, ship to your PayPal shipping address after payment confirmation is received.
Money order/Certified check : Ship to address specified above after payment is received and clears the bank.
No cash or personal check please.
See the AMB audio shop shop policy for complete details.

Shipping:

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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