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

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.

Model
AD-1PA+
Channels
2
Power
2x300W
THD
≤0.008%(1kHz)

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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.

Parameter

Model	AD-1PA+	THD	≤0.008%(1kHz, nomal working condition)
Channel	2	Dimension	444×294×449 mm(W×H×D)
SNR	≥108dB (A weighted, balance inpuit) ≥110dB (A weighted, unbalance inpuit)	Net weight	42KGS
Frequency	10Hz-100kHz(+1/-3dB)	Impedance	8 ohms
Standby power consumption	≤ 0.5W	Channel separation	≥80dB
Power consumption	Class A 260-300W or Class AB 70W-110W	Gain	29.5dB±1dB
Output power	300W（8Ω，THD=1%,1KHz, single channel)	Application	living room, demo room, etc.
Configuration	AD-1PRE+ preamp, TY-1CD CD player, TD-8 floor standing speaker	Accessories	power cord