One Pair PASS A3 30W+30W DC+/-25V Kit Single-Ended Class A Power Amplifier Board

Description

One Pair PASS A3 30W+30W DC+/-25V Kit Single-Ended Class A Power Amplifier Board
Parameter:
Size: 122MMX74MM
Working voltage: recommended DC: +-25V
Power: 30W  8ohms
60W  4 ohms
Distortion rate:1 KHz: 1% at rated output;
0.003% 5 watts into 8 ohms
Input impedance: 36kohm balanced, 18kohm single ended
Output noise: <300uV unweighted 20-20kHz
Dynamic range: 140dB
Gain: 26 dB
Signal input support: balanced input or unbalanced input
Note:
Single-ended Class A heat is huge! A heat sink must be installed to energize. Otherwise it may burn. It is recommended that each plate radiator be larger than 2kg.
Debugging tips:
The input tube and the output tube are paired. When the player is actually installed, please test the 0.47R non-inductive cement resistor. Select the two closest ones on the same side so that the tube can heat evenly.
Package:
One Pair PASS A3 30W+30W DC+/-25V Kit Single-Ended Class A Power Amplifier Board
Payment Method:
PayPal preferred
Shippment:
1.We provide free shipping to international via China Post Airmail, and every parcel will be registered with tracking number. We can also ship by UPS/EMS/DHL/FedEx for alternative shipping method for corresponding fees. Please let us know before payment if you need split shipment.
2.International shipping requires complicated shipping procedures (such as both countries customs, transit stations etc.), also will be affected by many factors, such as holidays, weather conditions etc, If you have not received your shipment within 30 days from payment, please contact us.
3.Time of Delivery:Based on the China Post Airmail and our experience, kindly please be noted that To United States / United Kingdom / Australia, it takes around 10-15 business days; To Canada, it takes around 12-18 business days; To Brazil / South America, it takes around 25-35 business days. To Italy / France / Spain / Germany/ Eastern Europe, it takes aournd 15-20 business days.
Returns & Replacements & Repair:
We accept returns & replacements within 30 days from the day the customer receive the products, please make first contact within 30 days from receiving the order. Products should be returned in original condition. As a benefit to our customers, we also provide repair within 3 months from the day when this item is shipped out, after repair is done, we will send you the item, but the customer should pay both shipping ways.
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