A1 Preamplifier Preamp Diy Kit -finished Board 5532

A1 pre-amplifier has good sound dynamics and rich details. The circuit board uses high-quality electronic components, including ENLNA, wima capacitors, ALPS 16 potentiometers, and 718 aviation resistors. Op amps include 5532DD and ad827 op amps.

There are 3 versions, if you have welding ability, you can choose the kit. Experience the fun of DIY, of course if you do not have electronic knowledge and welding skills. It is recommended to buy finished boards. There are two versions of the finished board with different op amps. The 5532DD op amp is and original. The AD827 version is the original old op amp. AD827 ba performance is better, of course you have to ignore it is a op amp.

Power supply: AC 12V-0-12V to AC 15V-0-15V

PCB size：93.5*42*1.6

Please note that the ELNA 2200uf 35V main capacitor is no longer available in the market. So we use the Rubycon 3300uf 35V of the same grade and larger capacity to replace it.

About shipping
Shipping and Packaging All itwill be double checked and well packed before sending.Itwill be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties ores. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very important to us
If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.