T9.4 Audiophile-grade High-fidelity Class AB Dual-Channel Power Amplifier 225W/8 ohms 450W/4 ohms RCA Balanced Input

Evolution and development
In 2014, the first generation of T9 was launched
In 2023, the latest flagship Class A and B Master Edition T9.4 amplifier was launched
Line features
Fully symmetrical X-Amp ultra-fast power amplifier circuit
Fully DC coupled circuit
The signal can be balanced or single-ended input
With high damping, it can drive all low-sensitivity large speakers
It has a rigorous sound: high resolution, first-class control, and low frequency is unique
Design materials
Ultra-large and heavy chassis, 430mm wide, 430mm deep from front to back, 230mm high including machine feet. The radiator area is 29.5% larger than the previous generation
2 800W Nippon Steel core transformers, one for each left and right channel
Eight 10000uF audio electrolytics per channel
Completely independent design of left and right channels, the amplifier board, power board, and protection board are completely separated from the left and right
7 pairs of precision-matched Japanese-made genuine Sanken tube kings per channel
Ultra-large static current, 120mA per tube
Perfect speaker protection, effectively protect your expensive speakers
With soft start and power supply DC filtering function
Shut power socket and gold fuse
Shengyun high-quality terminal
Shengyun RCA signal socket
Single crystal copper signal line for the whole machine
Using American ALPHA solder wire
Specifications
Input impedance: 33K ohms
Damping coefficient: 2000
Output power: 225w/8 ohms, 450W/4 ohms RMS power, full power long-term stable output
Static power consumption: 180w
Power supply voltage: AC110V or AC220V
Chassis color: all silver or all black
Machine weight: 36kg including packaging weight
Machine size: 430*430*230mm Packing size: 530*530*330mm
AP test parameters 800W load test data per channel with 8 ohms
Output effective value: 40.75Vrms
Channel gain: 30.9dB   35.2 times
Signal-to-noise ratio: 120.6dB
Dynamic range: 120.6dB
THD distortion: 0.000525%
THD+N distortion: 0.0016%
Frequency response bandwidth: ±0.081dB
Quality assurance
To ensure quality, each complete machine of Transsion undergoes comprehensive AP testing to ensure that the design indicators are met
Tests include: bandwidth, noise (signal-to-noise ratio), dynamic range, distortion, intermodulation distortion, channel separation, amplification, etc.
The whole machine is tested for 72 hours, the amplifier is tested for 1 hour at full load of 8 ohms, and the audition is more than 1 hour

T9.4 Master Edition AP Test with 8 ohm 800 watt resistor test