Tonewinner AD-1PA Class A 2CH HIFI Power Amplifier

Tonewinner AD-1PA Class A 2CH HIFI Power Amplifier


Specifications
AD-1PA
Specifications: Frequency response: 10Hz~100KHz ( +1/-3dB ) Total harmonic distortion: AP measured 0.006~0.0086 Signal to noise ratio: ≥108dB (A weighted, balanced input), ≥115dB (A weighted, unbalanced input) Output power: 300W (THD=1%, 1KHz, 8Ω single channel) Machine gain: 29.5dB ± 1dB Rated load impedance: 8Ω Dimension: 444mmx449mmx294mm (width x depth x height) Net weight: 42KG Gross weight: 44.5kg Power supply voltage: 220V (+-5%) 50Hz/60Hz
Details

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.

View more about Tonewinner AD-1PA Class A 2CH HIFI Power Amplifier on main site