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Transaudio T9.4 450W/4Ω Class AB Amplifier Power Amp Audiophile-Grade Power Amplifier (110V Silver)
Circuit Features:
* Fully symmetrical X-Amp ultra-fast power amplifier circuit
* Fully DC-coupled circuit
* Signal input can be either balanced or single-ended
* Features high damping, capable of driving large speakers with low sensitivity
* Delivers precise sound: high resolution, excellent control, and outstanding low-frequency performance
Design and Materials:
* Oversized, heavy-duty chassis: Width 430mm, depth 430mm (front to back), and height 230mm including feet (heatsink area increased by 29.5% compared to the previous generation)
* Two 800W transformers with an iron core for Nippon Steel, one for each channel
* Each channel features 8 x 10,000µF audiophile-grade electrolytic capacitors
* Completely independent design for each channel: separate amplifier boards, power boards, and protection boards
* 7 pairs of precisely matched, genuine power transistors (for Sanken) per channel
* Ultra-high quiescent current, with 120mA per transistor
* Comprehensive speaker protection to safeguard your expensive speakers
* Soft-start function for power-on and DC power filtering
* Power socket for Schurter and gold fuse
* High-quality binding posts
* RCA signal connectors
* Entire unit uses single-crystal copper signal wires
* Hand-soldered with American solder wire for ALPHA
Specifications:
* Input Impedance: 33KΩ
* Damping Factor: 2000
* Output Power: 225W at 8Ω, 450W at 4Ω (RMS power, stable full-power continuous output)
* Static Power Consumption: 180W
* Power Supply Voltage: AC110V or AC220V
* Overall Dimensions: 430mm x 430mm x 230mm
AP Test Parameters (Test data with 8Ω 800W load per channel):
* Output RMS Value: 40.75Vrms
* Channel Gain: 30.9dB (35.2 times)
* Signal-to-Noise Ratio (SNR): 120.6dB
* Dynamic Range: 120.6dB
* Total Harmonic Distortion (THD): 0.000525%
* THD + Noise (THD+N): 0.0016%
* Frequency Response Bandwidth: ±0.081dB
Package Included:
* 1 x Two Channel Amplifier
Packaging Details:
* Package Weight: 36kg
* Package Dimensions: 530mm x 530mm x 330mm