HIFI PASS A3 Single-ended Class A power amplifier kit 30W+30W AMP ( 2 channel)
Description
This is one pair diy kit ( include 2 channel boards)
you need to solder it by yourself.single-ended class A has huge heat! A heat sink must be installed before power on. Otherwise it may burn board. Recommended each board radiator greater than 2kg.Reference to Famous PASS A3 circuit . All the FET are equipped same with the origianl machine, the input differentialTransistors using the new US FU9210, the power Transistors using the new origianl N-channel IRFP250, FET after precision matching,Sound style: Sweet and mellow, music taste very good, transparent.sound will be better than most of General amplifier. PCB Size: 122MMX74MMOperating voltage: Recommended DC: + - 25V ( the Transformer voltage recommned AC20V-0-AC20V. transformer power above 200VA)Power: 30watts @ 8ohms; 60watts @ 4 ohmsDistortion rate @ 1 KHz: 1% at rated output; 0.003% @ 5 watts into 8 ohmsInput impedance: 36kohm balanced, 18kohm single-endedOutput noise: <300uV unweighted 20-20kHzDynamic range: 140dBGain: 26 dSignal input support: balanced input or unbalanced input
Note: single-ended class A has huge heat! A heat sink must be installed before power on. Otherwise it may burn board. Recommended each board radiator greater than 2kg.
you need to solder it by yourself.
Note: single-ended class A has huge heat! A heat sink must be installed before power on.
Payment
1.We accept PayPal only.
2.All major credit cards are accepted through secure payment processor PayPal.
3.Payment must be received within 7 business days of auction closing.
4.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay.
Shipping
1.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay.
2.Items will be shipped within 1-3 business day when we received payment.
3.Delivery time depends on destination and other factors;
4.International buyers please note:
a.Import duties, taxes and charges are not included in the item price or shipping charges. These charges are buyer’s responsibility. We will try our best to reduce the risk of the custom duties.
b.Please check with your country's customs office to determine what these additional costs will be prior to buying.
Returns policy
1.If the item is not as described or damaged in transportation, please send it back within 7 days upon date of receipt
2.For defective item, we guarantee free exchange or full refund within 30 days from the day of placing order
3.Buyers pay shipping fees at their own cost to return products for exchange or refund. We will be responsible for the postage of replacements
4.Items must be unused, in original packaging and include all parts, accessories and packaging
5.When we receive your returned item, we will investigate the situation and consider to offer replacement or refund according to the situation
Terms of sales
1. All the items will be tested before shipping. Buy them with the confidence!
2. We maintain hightest buyer ratings StarStarStarStarStar and 100% customer satisfaction, Positive Feedback will be much appreciated from you.
3. Any dissatisfaction or problem, please contact us before you leave neutral Neutral feedback rating or negative Negative feedback rating feedback.
Feedback
1.When you received package and like it, kindly comfirm received order and leave a positive feedback with full stars for us. Thank you.
2.Any dissatisfaction or problem, please contact us before you leave neutral Neutral feedback rating or negative Negative feedback rating feedback.