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- Order number: HL01914.Silver
Topping LA90
Ultra-High Performance Amplifier
Specifications:
- 2 x 90 watts at 4 ohms (1% THD+N)
- 2 x 110 watts at 4 ohms (10% THD+N)
- 1 x 220 watts at 8 ohms (THD+N) in mono mode
- 0.00007% THD+N at 8 Ohm / 10 Watt
- 0,0008% THD+N at 4 Ohm / 20 Watt
- 140dB SNR
-Two gain levels
- Inputs: 3 x XLR / TRS - Stereo / Mono operation
- Volume Bypass
The comeback of the linear amplifier
The new Topping LA90 achieves a new level of clarity and accuracy. The unprecedented level of performance takes music to a new level according to Topping. A background that couldn't be darker, accompanied by beguiling mids and highs.
Rock Solid
CNC-machined from solid aluminium, the LA90 has a detailed solidity that is equally exquisite. The milled cooling fins ideally dissipate heat.
Low noise at high output
The typical THD+N of the Topping LA90 is 0.00007% at 4 ohms and 10 watts output power. At 20 watts output power, the noise figure rises to just 0.00008%. This means 99.99992% of the audio signal arrives clean and well amplified.
Mono and Stereo Mode
In stereo mode, the Topping LA90 works as usual and outputs a stereo signal to drive two speakers. In mono mode, you use two LA90 power amplifiers with twice the output power per channel. The volume can be controlled either via the amplifiers or via bypass with a preamplifier.
Spezifikationen:
- THD+N @1kHz (A-wt)
- Stereo:
- <0,00009 % bei 4 Ω 5 W
- <0,00009 % bei 8 Ω 5 W
- Mono:
- <0,0001 % bei 8 Ω 5 W
- THD+N @No-wt (90kBw)
- Stereo:
- <0,0017 % bei 4 Ω 5 W
- <0,0009 % bei 8 Ω 5 W
- Mono:
- <0,0012 % bei 8 Ω 5 W
- SNR @A-wt
- Stereo: 140dB
- Mono: 142dB
- Dynamischer Bereich @A-wt
- Stereo: 140dB
- Mono: 142dB
- Frequenzgang
- Stereo
- 20 Hz - 40 kHz (±0,2 dB)
- 10Hz - 100kHz (±1dB)
- Mono
- 20Hz - 40kHz (0,2dB±)
- 10 Hz - 100 kHz (±1,0 dB)
- Ausgangspegel
- Stereo
- 51 Vss bei 4 Ω
- 58 Vss bei 4 Ω
- Mono
- 98 Vss bei 8 Ω
- Rauschen @A-wt
- Stereo:
- <2,0 uVrms @G=L
- <3,5 Vrms @G=H
- Mono
- <2,8 uVrms @G=L
- <5,0 uVrms @G=H
- Kanalübersprechen: -138 dB
- Eingangsempfindlichkeit
- Stereo:
- 6,9 Vrms @G=L
- 2,2 Vrms @G=H
- Mono
- 15,5 dB @G=L
- 25,2 dB @G=H
- Gain
- Stereo
- 9,5 dB @G=L
- 19,2 dB @G=H
- Mono
- 15,5 dB @G=L
- 25,2 dB @G=H
- Kanalunsymmetrie: 0,2 dB
- Ausgangsimpedanz
- Stereo: <3 mΩ
- Mono: <5 mΩ
- Ausgangsleistung
- Stereo
- 110 W x 2 bei 4 Ω Klirrfaktor + N < 10 %
- 90 W x 2 bei 4 Ω Klirrfaktor + N < 1 %
- 65 W x 2 bei 8 Ω Klirrfaktor + N < 10 %
- 50 W x 2 bei 8 Ω Klirrfaktor + N < 1 %
- Mono
- 220 W x 1 bei 8 Ω Klirrfaktor + N < 10 %
- 180 W x 1 bei 8 Ω Klirrfaktor + N < 1 %
- Lastimpedanz
- Stereo: ≥4Ω
- Mono: ≥8Ω