TEAC TN-300 eBrochue Premium Components 2015 (English) - Page 8
Driving your headphone
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Reference 501 Maximize your headphone's potential by choosing the right damping factor setting. Driving your headphone USB DAC UD-501 Black Silver ● PCM 384kHz/32-bit, DSD 5.6MHz Hi-Res Digital Audio Streaming via USB Cable. ● Dual-monaural Circuit Design Eliminates Interference between Left and Right Channels. ● 4 types of DSD Cut-off Frequency, and 3 types of FIR Filter Options for Fine Tuning. ● Dual Toroidal-core Power Transformers for both Left and Right Channels. Headphone Amplifier HA-501 Black Silver ● Maximizing your Headphones Performance by Choosing the Right Damping Factor Settings. ● Class-A Amplifier with 1400mW + 1400mW Output Power Drives even High-end Headphones. ● Full-analog, and Dual-monaural Circuit Design. ● Active DC Servo Technology Eliminates Unwanted Output Signal Caused by Voltage Difference inside the Transistors. ● XLR Balance Audio Input to Connect with High-end Audio or Professional Audio Equipment ● Wide-pitch Line-in RCA Connector Layout Allows to Accommodate Large-shell Pin Plug. Damping Factor for Optimizing Performance Each pair of headphones has its Damping Factor, a resisting force against non-intentional movement of the diaphragm moving air forwards and backwards as sound. The value of the Damping Factor varies model by model, as diaphragms are made by different materials, in different shapes or different construction designs. Since headphones' diaphragms are activated by a very small current compared to conventional speakers, the damping factor increases, the sound is lean and crisp, and has a close relationship with headphones' impedance. Position Headphone Impedance Damping Factor HIGH 32 ohms DF = 76 (MID-HIGH) 64 ohms DF = 88 MID 120 ohms DF = 97 (MID-LOW) 300 ohms DF = 115 LOW 600 ohms DF = 118 Actual Damping Factor may vary due to impedance of headphone cable and plug. 8 HA-501 UD-501