Compare Quad 405 PCB with matched pre-drilled T-shape heatsink one channel $12.59 Add to Cart Quick view
Compare 110-240VAC i/p low noise LDO dual rail output headphone amp PSU PCB 1 piece ! $9.59 Add to Cart Quick view
Compare Stereo headphone amplifier Kaneda type highly transparent 1 piece ! $13.99 Add to Cart Quick view
Compare Kubota low noise regulator PCB with enhanced filtering cap arrays !! $9.59 Add to Cart Quick view
Compare jfet buffered transformer coupled mosfet power amplifier F6 PCB 1 piece $13.99 Add to Cart Quick view
Compare Discrete dual opamp Earth bare PCB JFET input /output high biasing current ! $6.99 Add to Cart Quick view
Compare clock board with on-board low noise regulator bare board one piece ! $4.59 Add to Cart Quick view
Quick view Quad 405 PCB with matched pre-drilled T-shape heatsink one channel This is an auction of one piece of bare PCB of Quad 405 and the matching T-shape heatsink . The heatsink is black anodized and pre-drilled so users save time in processing the heatsink. The T-shape heatsink is to mate to a big finned heatsink as in... $12.59 Add to Cart Compare
Quick view 110-240VAC i/p low noise LDO dual rail output headphone amp PSU PCB 1 piece ! This is a bare board of a power supply board, designed for headphone amp or preamplifier that draw current not more than 500mA continuously. Feature : The board allows the use of compact and low noise switching mode modules from Taiwan... $9.59 Add to Cart Compare
Quick view Stereo headphone amplifier Kaneda type highly transparent 1 piece ! This is a bare board of a high-end headphone amplifier. The design is based on Kaneda headphone amplifier. Kaneda is a Japan audio guru who contributes design in Japan audio magazine MJ( stands for Music Journal) for over 30 years. This headphone amp... $13.99 Add to Cart Compare
Quick view Kubota low noise regulator PCB with enhanced filtering cap arrays !! This is a new version of our very popular Kubota regulator, enhanced with filtering caps arrays. The filtering caps can be a number of Panasonic ( or similar size) 470uF FC or FM audio caps in parallel. Up to 10 pieces per rail in parallel can be... $9.59 Add to Cart Compare
Quick view jfet buffered transformer coupled mosfet power amplifier F6 PCB 1 piece This is the bare PCB of a MOSFET amplifier, based on F6 power amplifier. The board uses Jensen input transformer as input coupling and preceded by a J-FET buffer to allow a high input impedance. While F6 used SiC power JFETs, the same circuit can be used... $13.99 Add to Cart Compare
Quick view Discrete dual opamp Earth bare PCB JFET input /output high biasing current ! This is the PCBs of two discrete opamp Earth to be assembled for DIP-8 package. The design features : 1. JFET input ; 2. JFET output ; 3. high operating current ( 60mA@ +/-15Vdc ) The finished opamp can be used to replace standard single opamp... $6.99 Add to Cart Compare
Quick view High current +24VDC regulator board Hi-Cap Naim PCB 2 pieces ! On list is two pieces of high current DC regulator boards, using LM317K ( TO-3 package of LM317), or LM338K. Naim used two pieces of such regulator in their famous linear power supply hicap 1C. The values printed on the board allows a steady +24V... $7.99 Add to Cart Compare
Quick view clock board with on-board low noise regulator bare board one piece ! This is a clock bare PCB. The board includes a low noise series regulator circuit for the TCXO ( or OCXO) and the wave shaping logic circuit. The board can output the original clock frequency , clock frequency/2 and clock frequency/4 simultaneously... $4.59 Add to Cart Compare