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 clock board with on-board low noise regulator bare board one piece ! $4.59 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 jfet buffered transformer coupled mosfet power amp F6 PCB long verion 1 piece ! $21.99 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 Kubota low noise regulator PCB with enhanced filtering cap arrays !! $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 Tube crossover board circuit based on Marantz model 3 + daughter boards $34.49 Add to Cart Quick view
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 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
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 jfet buffered transformer coupled mosfet power amp F6 PCB long verion 1 piece ! This is a pair of bare PCB of a stereo MOSFET or SiC enhanced type JFET 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... $21.99 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 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 Power Follower( PF2019) new version w/tube driver board ! This is the bare PCBs of two channels of class A MOSFET SE power amplifier, named as "power follower" by the designer, audio expert Mr. Andrea Ciuffoli. This is the newest version 2019 and an authorized PCB version by the designer. For the... $22.49 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 Tube crossover board circuit based on Marantz model 3 + daughter boards This is the bare PCB of a tube crossover board , circuit based on legendary Marantz model 3. The circuit is a 6dB/oct 2-way crossover design, using three 12AX7 ( or three 12AY7, or 1 12AU7 and 2 12AX7). 6dB/oct gives a most natural roll off and musical... $34.49 Add to Cart Compare