Topping L70

Name: Topping L70
Brand: Topping
SKU: L70-B
Price: 279.0 EUR
Availability: InStock

Headphone Amplifier

€279,00 €279,00

Alex

960 457 885

NFCA Amplifier

Details

Topping L70, full balance

L70 uses same NFCA module with A90. Voltage current hybrid feedback architecture along with UHGF technology provide excellent DC and AC performance, ultra-low THD+N and absurdly high dynamic range of even more, high output current drive capability, ultra-low output impedance an 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.

Balanced Outputs: XLR, 4.4mm y 6.35mm SE

L70 is compatible with common headphone jacks including: 4-pin XLR balanced, 4.4mm balanced, 6.35mm single-ended, and 3.5mm single-ended.

It-in fully balanced amplifier circuit can not only fit well with balanced headphones, but also have perfect performance with single-ended headphones.

Compatibility with headphones

L70's output has a high output voltage, high output current, low noise, low output impedance, so no headphones 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-sensitvity IEMs 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.

Two gain modes

The L70 can maintain ultra-low distortion output under high power load.

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

Pre-amp function

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 pode, and the 20ohm 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.

Knob volume control

L70 uses a R2R volume control composed of relays and resistor network brings the advantages of precise control, longevity, complete channel balanced and remote control.

L70 can set to memorizes the volume and gain for 8 outputs setings. It can be adapted more personalized when connecting different earphones and other devices, which greatly improves the convenience of use.

According to the customized settings, a safe volume can be set for the L70 to avoid sudden loud sound after power on/input switch.

XLR, TRS y RCA? Yes

L70 provides Combo and RCA input port, and is avaliable for XLR, TRS, RCA connection.

Ground loop noise may be encountered when multiple devices are used in combination. L70 has a GND/LIFT switch to solve this problem. When in normal use, set it to GND; and when ground loop noise is encountered switch it to LIFT. Then the ground loop noise is terminated.

12V Trigger

The L70 is equipped with 12V Trigger in & out interface. With 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.

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Specifications

Product Type: Headphone Amplifier / Preamplifier
Inputs: 6.35mm Stereo Balanced Connector / XLR combo, 1 RCA stereo
Outputs: 1x stereo XLR, 1x RCA stereo single-ended, 1x XLR 4 balanced headphone outputs, 1x balanced jack 4.4mm output, 1x single-ended headphone jack 6.35mm
Amplifier: NFCA
Color: Black and Silver
Dimensions: 200 x 138 x 44mm
Accessories: 1x Topping L70, 1x Remote control, 1x 6,35mm jack to 3.5mm jack adapter, 1x Powerd Cord

Specifications SE IN / SE PUT

THD+N @ 1kHz (A-wt): < 0.00006% @ 500mW, 32Ω
< 0.000055% @ 80mW, 300Ω
THD @ 20Hz-20kHz (90kBw): < 0.00008% @ 500mW, 32Ω < 0.00007% @ 80mW, 300Ω
SNR @ Max Out, 1kHz (A-wt): 143dB
Dynamic Range @ 1kHz (A-wt): 143dB
Frequency Response: 10Hz-100kHz (±0.1dB)
Output Level: 26vpp
Level Noise (A-wt): < 0,7 µVrms @ G=L < 1,2 µVrms @ G=H
Efective Level Noise * (A-wt): < 0,3 µVrms @ G=L < 1,1 µVrms @ G=H
Crosstalk @ 1kHz: -104dB
Input Sensitivity: 9,6 Vrms @ G=L 1,9 Vrms @ G=H
Gain: 0dB @ G=L 13.8dB @ G=H
Output Impedance: <0.1Ω
Output power:
- 2* 3500 mW a 16 Ω, THD+N < 0,1 %
- 2* 2300 mW a 32 Ω, THD+N < 0,1 %
- 2* 1200 mW a 64 Ω, THD+N < 0,1 %
- 2* 290 mW a 300 Ω, THD+N < 0,1 %
Load Impedance: > 8Ω

Specifications INPUT BAL /OUTPUT

THD+N @ 1kHz (A-wt): < 0,00007 % a 500 mW, 32 Ω

< 0,000065 % a 80 mW, 300 Ω

THD @ 20Hz-20kHz (90kBw): < 0,00015

% a 500 mW, 32 Ω < 0,00015 % a 80 mW, 300 Ω

SNR @ Max Out, 1kHz (A-wt): 138dB

Rango dinámico @ 1kHz (A-wt): 138dB

Respuesta de frecuencia: 10Hz-100kHz (±0.1dB)

Nivel de salida: 26vpp

AP Nivel de ruido medido (A-wt): < 0,7 µVrms @ G=L < 1,2 µVrms @ G=H

Nivel de ruido efectivo * (A-wt): < 0,3 µVrms @ G=L < 1,1 µVrms @ G=H

Diafonía @ 1kHz: -104dB

Sensibilidad de entrada: 9,6 Vrms @ G=L 1,9 Vrms @ G=H

Ganancia: 0dB @ G=L 13.8dB @ G=H

Impedancia de salida: <0.1Ω

Potencia de salida:

2* 3500 mW a 16 Ω, THD+N < 0,1 %
2* 2300 mW a 32 Ω, THD+N < 0,1 %
2* 1200 mW a 64 Ω, THD+N < 0,1 %
2* 290 mW a 300 Ω, THD+N < 0,1 %

Impedancia de carga: > 8Ω

SE INPUT / OUTPUT

THD+N @ 1kHz (A-wt): < 0,00006 % a 2000 mW, 32 Ω < 0,000055 % a 320 mW, 300 Ω

THD @ 20Hz-20kHz (90kBw): < 0,00009 % a 2000 mW, 32 Ω < 0,00008 % a 320 mW, 300 Ω
SNR @ Max Out, 1kHz (A-wt): 146dB
Dynamic Range @ 1kHz (A-wt): 146dB
Frequency Response: 10Hz-100kHz (±0.1dB)
Output Level: 52vpp
Level Noise: (A-wt): < 0,9 µVrms @ G=L< 2,2 µVrms @ G=H
Level noise efective * (A-wt): < 0,7 µVrms @ G=L< 2,2 µVrms @ G=H
Crosstalk @ 1kHz: -120dB
Input sensitivity: 9,6 Vrms @ G=L 1,9 Vrms @ G=H
Gain: 6dB @ G=L 19.8dB @ G=H
Output Impedance: <0.2Ω
Output Power:
- 2* 6000 mW a 16 Ω, THD+N < 0,1 %
- 2* 7500 mW a 32 Ω, THD+N < 0,1 %
- 2* 4700 mW a 64 Ω, THD+N < 0,1 %
- 2* 1150 mW a 300 Ω, THD+N < 0,1 %
- 2* 600 mW a 600 Ω, THD+N < 0,1 %
Load Impedance: > 8Ω

INPUT BAL/OUTPUT BAL

THD+N @ 1kHz (A-wt): < 0,00007 % a 2000 mW, 32 Ω < 0,000065 % a 320 mW, 300 Ω
THD @ 20Hz-20kHz (90kBw): < 0,0002 % a 2000 mW, 32 Ω < 0,00015 % a 320 mW, 300 Ω
SNR @ Max Out, 1kHz (A-wt): 139dB
Dynamic Range@ 1kHz (A-wt): 139dB
Frequency Response: 10Hz-100kHz (±0.5dB)
Level Output: 52vpp
Level Noise AP (A-wt): < 0,9 µVrms @ G=L < 1,2 µVrms @ G=H
Efective Level Noise * (A-wt): < 2,2 µVrms @ G=L < 1,1 µVrms @ G=H
Crosstalk @ 1kHz: -120dB
Input Sensitivity 9,6 Vrms @ G=L 1,9 Vrms @ G=H
Gain: 6dB @ G=L 1,9dB @ G=H
Output Impedance: <0.2Ω
Output Power:
- 2* 7500 mW a 32 Ω, THD+N < 0,1 %
- 2* 6000 mW a 16 Ω, THD+N < 0,1 %
- 2* 4700 mW a 64 Ω, THD+N < 0,1 %
- 2* 1150 mW a 300 Ω, THD+N < 0,1 %
- 2* 600 mW a 600 Ω, THD+N < 0,1 %
Load Impedance: > 8Ω

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Reviews

Este es mi segundo producto de Topping (tras un amplificador de auriculares L30 que me ha gustado mucho y ahora sigo utilizando en un segundo sistema), y la marca no deja de sorprenderme.
El L70 es muy elegante y con excelentes acabados.
Para un ampli de auriculares tine muchas opciones de configuración (qué entradas y salidas están activas, brillo del display configurable, etc).
El volumen es controlado por relays y por eso se escucha "click-click-click..." cuando lo adjustas. A algunas personas eso las molesta, pero no a mi.
Lo mejor es el sonido, impecablemente limpo y definido. Gran separación estereo, escena bien definida. Lo empleo también como previo en un sistema con componentes bastante respectables, y me da completa satisfacción.
El caracter es el mismo del L30 que ya tenía, pero te da un poco más de todo: más claridad, más dinamica, más separación, etc...
Muy contento con la compra.
El servicio de Zococity, y de Alex en particular, como de costumbre ha sido sobresaliente.