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AD-1PA is a Hi-Fi stereo amplifier with Class A/AB mode, high power transformer, transistors and capacitors. It’s a flagship amplifier which can be perfectly connected with AD-1PRE+ processor. As a top 10 audio brand in China, Tonewinner has 30+ years experience in designing and manufacturing acoustic products. As an original supplier, Tonewinner always warmly welcomes distributors, partners and customers around the world.

Tonewinner best Hi-Fi pure amplifier high power high end amp

Main Features

• Class A circuit that adopts full balance, full symmetry, differential input to differential BTL power output.
• Both left and right channels adopt independent power supply, which boost the channel seperation to the highest degree.
• Output power 300W/8Ω each channel. It uses 1,200W high quality toroidal transformer and audio special capacitor up to 180,000uF. It also uses high power transistors to parallel output, offering 60A current output.
• High end aluminum chassis, rigorous intenal layout, and strong anti-interference ability.
• Specially gold plated IC socket for audiophiles to replace operational amplifier.
• lt adopts Tonewinner's patented technology: High/low voltage power supply intelligently switch management. It can meet the needs for Hi-Fi Class A power output, and also conforms to energy conservation and environment protection concept (patented number: ZL201420783891.8).
• Multiple circuit protection: short circuit protection, overheating protection and DC protection.
• It adopts Tonewinner's patented technology: ~110-115V/~220-230V power supply auto-switch(patented number: ZL.201420543195.X).

 

Functions

• Balance and unbalance inputs.
• Manual/Trigger/Standby functions.
• Amplifier static bias selections: ClassA/ClassAB/AUTO.
• Speaker output mode: A/B/A+B.
• Front panel indicating functions: Standby/ON/Protection.~110-115V/~220-230v power supply auto-switch.