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10% Non-refundable Deposit for the CSP325 that starts at $3195.00.


The CSP325, as it is known, is a feedback-free Single-Ended-Triode preamplifier recommended with any Decware amplifier or any brand or type amplifier.  It is compatible with literally everything because it has adjustable output voltage (0~25V).  


This Anniversary Edition was designed as a matching preamp to the 25th Anniversary Zen Triode amplifier but can be used with any amplifier.




CSP325 10% Deposit

  • Your amplifier comes with a 30 day money back guarantee less a 10% restock fee.  The trial starts upon date of receipt.  If you have any questions or aren't getting the results you anticipated, please contact us so we can walk you through it.  If you have any problems with it we will reset your 30 day trial once the issue is resolved.

  • Our amplifiers are built to order.  Wait times depend on how many orders we have on our real time build sheet.  Once we pull parts for your build, you will be notified followed by notifications each time the status of your build changes.  For example, Parts Pulled - On the Bench - Testing - Quality Control - Packing/Shipping.  

    When your amplifier is ready to ship we will contact you for the balance of your order. We accept major Credit Cards, Check, Paypal, Money Orders.



    Shipping for your order will be calculated  after we have researched the best carrier and rates for your location.   You will receive a total with shipping for your order showing your deposit and the balance due.  Please allow us some time to do this manually.

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