Topping L70 Full Balanced NFCA Headphone Amplifier

Topping L70 Full Balanced NFCA Headphone Amplifier

Name: Topping L70 Full Balanced NFCA Headphone Amplifier
Brand: TOPPING
SKU: TOP.L70.BK
Price: 619.0 AUD
Availability: InStock

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$619

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Ultra-High Performance NFCA modules
L70 uses same NFCA (Nested Feedback Composite Amplifier) module with A90. Voltage current hybrid feedback architecture along with UHGF (Ultra High Gain Feedback) technology provide excellent DC and AC performance, ultra-low THD+N and absurdly high dynamic range of 146dB. Even more, high output current drive capability, ultra-low output
impedance and the ultra-low noise of 0.3uV which is miles ahead of the competition provide sufficient guarantee for driving headphones with various characteristics so that high-fidelity music can be vividly performed on different headphones.

4-Pin-XLRI4.4mm balanced/6.35mm SE
The L70 is compatible with common headphone jacks including: 4-pin XLR balanced, 4.4mm balanced, 6.35mm single-ended, and 3.5mm single-ended. The built-in fully balanced amplifier circuit can not only fit well with balanced headphones, but also have perfect performance with single-ended headphones.

Compatible with almost all kinds of headphones
L70's output has high output voltage, high output current, low noise, low output impedance, so no headphones that can't be dealt with. High output voltage can easily drive high-impedance headphones; High output current allows low-sensitivity headphones to obtain enough power Low noise allows high-sensitivity 1EMs to not suffer from any background noise; The low output impedance will not bring unnecessary effect on FR when driving low-impedance headphones. Different headphones can be easily driven by the L70.

2 gain settings to suit different needs
L70 has 2 gain settings, which cover a wider range of needs to meet the needs of different headphones from low-sensitivity ful-sized over-ears to high-sensitivity IEMs. With the help of extremely low noise 0.3uV, even IEMs will not hear any background noise.

A Headphone Amp, also a Preamp
The L70 is not only able to drive the headphones but also served as a preamp. When it is in preamp mode, you can get the same high performance as the headphone amp mode, and the 200hm SE and 40ohm balanced output impedance are widely suitable for various power amplifiers. The full-featured remote control makes it more convenient for you to use.

12V Trigger interface
The L70 is equipped with 12V Trigger in & out interface. WNith only one easy-to-obtain 3.5mm to 3.5mm cable, the L70 can be turned on and off synchronously with other devices equipped with a 12V Trigger interface.

Specifications
	SE IN / SE OUT	BAL IN / SE OUT	SE IN / BAL OUT	BAL IN / BAL OUT
THD+N @ 1kHz (A-wt)	< 0.00006% @ 500mW, 32Ω < 0.000055% @ 80mW, 300Ω	< 0.00007% @ 500mW, 32Ω < 0.000065% @ 80mW, 300Ω	< 0.00006% @ 2000mW, 32Ω < 0.000055% @ 320mW, 300Ω	< 0.00007% @ 2000mW, 32Ω < 0.000065% @ 320mW, 300Ω
THD @ 20Hz-20kHz (90kBw)	< 0.00008% @ 500mW, 32Ω < 0.00007% @ 80mW, 300Ω	< 0.00015% @ 500mW, 32Ω < 0.00015% @ 80mW, 300Ω	< 0.00009% @ 2000mW, 32Ω < 0.00008% @ 320mW, 300Ω	< 0.0002% @ 2000mW, 32Ω < 0.00015% @ 320mW, 300Ω
SNR @ Max Out, 1kHz (A-wt)	143dB	138dB	146dB	139dB
Dynamic range @ 1kHz (A-wt)	143dB	138dB	146dB	139dB
Frequency response	10Hz-100kHz (±0.1dB)	10Hz-100kHz (±0.5dB)	10Hz-100kHz (±0.1dB)	10Hz-100kHz (±0.5dB)
Output level	26vpp	26Vpp	52Vpp	52Vpp
AP Measured noise level (A-wt)	< 0.7µVrms @ G=L < 1.2µVrms @ G=H	< 0.7µVrms @ G=L < 1.2µVrms @ G=H	< 0.9µVrms @ G=L < 2.2µVrms @ G=H	< 0.9µVrms @ G=L < 2.2µVrms @ G=H
Effective noise level* (A-wt)	< 0.3µVrms @ G=L < 1.1µVrms @ G=H	< 0.3µVrms @ G=L < 1.1µVrms @ G=H	< 0.7µVrms @ G=L < 2.2µVrms @ G=H	< 0.4µVrms @ G=L < 2.2µVrms @ G=H
Crosstalk @ 1kHz	-104dB	-104dB	-120dB	-120dB
Input sensitivity	9.6Vrms @ G=L 1.9Vrms @ G=H	9.6Vrms @ G=L 1.9Vrms @ G=H	9.6Vrms @ G=L 1.9Vrms @ G=H	9.6Vrms @ G=L 1.9Vrms @ G=H
Gain	0dB @ G=L 13.8dB @ G=H	0dB @ G=L 13.8dB @ G=H	6dB @ G=L 19.8dB @ G=H	6dB @ G=L 19.8dB @ G=H
Output impedance	< 0.1Ω	< 0.1Ω	< 0.2Ω	< 0.2Ω
Output power	2* 3500mW @ 16Ω, THD+N < 0.1% 2* 2300mW @ 32Ω, THD+N < 0.1% 2* 1200mW @ 64Ω, THD+N < 0.1% 2* 290mW @ 300Ω, THD+N < 0.1%		2* 6000mW @ 16Ω, THD+N < 0.1% 2* 7500mW @ 32Ω, THD+N < 0.1% 2* 4700mW @ 64Ω, THD+N < 0.1% 2* 1150mW @ 300Ω, THD+N < 0.1% 2* 600mW @ 600Ω, THD+N < 0.1%
Load impedance	> 8Ω
Preamplifier Measurements
	SE IN / SE OUT	BAL IN / SE OUT	SE IN / BAL OUT	BAL IN / BAL OUT
THD+N @ 1kHz (A-wt)	< 0.000055%	< 0.00006%	< 0.000055%	< 0.00006%
THD @ 20Hz-20kHz (90kBw)	< 0.00007%	< 0.00015%	< 0.00008%	< 0.00015%
SNR @ 1kHz (A-wt)	143dB	138dB	146dB	139dB
Dynamic range @ 1kHz (A-wt)	143dB	138dB	146dB	139dB
Frequency response	10Hz-100kHz (±0.1dB)	10Hz-100kHz (±0.5dB)	10Hz-100kHz (±0.1dB)	10Hz-100kHz (±0.5dB)
Output level	26vpp	26vpp	52Vpp	52Vpp
AP Measured noise level (A-wt)	< 0.7µVrms @ G=L < 1.2µVrms @ G=H	< 0.7µVrms @ G=L < 1.2µVrms @ G=H	< 0.9µVrms @ G=L < 2.2µVrms @ G=H	< 0.9µVrms @ G=L < 2.2µVrms @ G=H
Effective noise level* (A-wt)	< 0.3µVrms @ G=L < 1.1µVrms @ G=H	< 0.3µVrms @ G=L < 1.1µVrms @ G=H	< 0.7µVrms @ G=L < 2.2µVrms @ G=H	< 0.4µVrms @ G=L < 2.2µVrms @ G=H
Crosstalk @ 1kHz	-104dB	-104dB	-120dB	-120dB
Input sensitivity	9.6Vrms @ G=L 1.9Vrms @ G=H	9.6Vrms @ G=L 1.9Vrms @ G=H	9.6Vrms @ G=L 1.9Vrms @ G=H	9.6Vrms @ G=L 1.9Vrms @ G=H
Gain	0dB @ G=L 13.8dB @ G=H	0dB @ G=L 13.8dB @ G=H	6dB @ G=L 19.8dB @ G=H	6dB @ G=L 19.8dB @ G=H
Output impedance	20Ω	20Ω	40Ω	40Ω

Topping L70
Remote Control
AC Cable
6.35mm to 3.5mm Adaptor
User manual
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Topping L70 Full Balanced NFCA Headphone Amplifier

Description

Specifications

Preamplifier Measurements

Customer Reviews

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