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For Sale FlatBT preamp & Sipi Shunt PSU

Things you have for sale.
For sale is Reference Class AudioPhile preamplifier FlatBT with 2pcb and all values of audiophile Vishay Dale RN60C low noise non induntance metal film resistors, Capacitors is Wuerth Elektronik red edition with low esr and high ripple current. Output transistors are Fairchild KSC and KSA in TO-126 package paired.

Buyer needs to buy heatsink and KSA/KSC in TO-92 case ( mouser have plenty of them at stock).

2pcbs of Shunt PSU called Sipi Shunt PSU high quality shunt psu, so buyer need to buy components. For sale is only 2pcbs.

Schematic will be send to buyer email address.

Price and shipping will be calculated on buyer shipping address information so if you are interest in buying please send private message and your shipping information.

Accepted payment is only by paypal.

Here are pictures of boards and components.

IMG_20230312_215024.jpg
 
Shunt low noise Sipi Shunt PSU using TL431 and FlatBT preamp board.

Sipi Shunt PSU is very good low noise voltage regulator that makes any audio device sound clean and powerful using RCLC filter at input and AC filtering on TL431 to archieve low noise below 100nV(sqrt)Hz.