Price:
$1,069
*Check with our team or your local store for availability.
We guarantee that all of our stock is 100% genuine,
New Zealand sourced stock, with full local warranty.
New Zealand sourced stock, with full local warranty.
Description
- It's a great companion of active monitors stacked with D90 DAC when A90 work as pre-amp application.
- Full balanced and SE headphone output
- A90 is provided with a wide range of adaptation to headphones
- A90 is equipped with three gain settings of -9.5dB/ 0dB / 9.5dB for SE and -35dB / 6.0dB / 15.5dB for balanced
Headphone Amplifier Specifications |
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THD+N @ 1kHz (A-weighted) |
Single-ended Input & Single-ended Output | |
<0.00007% @ 500mW (32Ω) <0.00006% @ 80mW (300Ω) |
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Balanced Input & Single-ended Output | ||
<0.00009% @ 500mW (32Ω) <0.00006% @ 80mW (300Ω) |
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Single-ended Input & Balanced Output | ||
<0.00007% @ 2000mW (32Ω) <0.00006% @ 320mW (300Ω) |
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Balanced Input & Balanced Output | ||
<0.00009% @ 2000mW (32Ω) <0.00006% @ 320mW (300Ω) |
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THD+N @ 20-20kHz 90kBW |
Single-ended Input & Single-ended Output |
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<0.00004% @ 500mW (32Ω) |
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Balanced Input & Single-ended Output |
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<0.00004% @ 500mW (32Ω) |
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Single-ended Input & Balanced Output |
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<0.00004% @ 2000mW (32Ω) |
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Balanced Input & Balanced Output |
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<0.00004% @ 2000mW (32Ω) |
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SNR @ Max Out 1kHz (A-weighted)
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Single-ended Input & Single-ended Output |
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141dB |
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Balanced Input & Single-ended Output |
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137dB | ||
Single-ended Input & Balanced Output | ||
145dB | ||
Balanced Input & Balanced Output | ||
138dB | ||
Dynamic range @ Max Out 1kHz (A-weighted) | Single-ended Input & Single-ended Output | |
141dB | ||
Balanced Input & Single-ended Output | ||
137dB | ||
Single-ended Input & Balanced Output | ||
145dB | ||
Balanced Input & Balanced Output | ||
138dB | ||
Frequency Response | Single-ended Input & Single-ended Output | |
20Hz-40kHz (±0.05dB) | ||
Balanced Input & Single-ended Output | ||
20Hz-40kHz (±0.01dB) | ||
Single-ended Input & Balanced Output | ||
20Hz-40kHz (±0.05dB) | ||
Balanced Input & Balanced Output | ||
20Hz-40kHz (±0.01dB) | ||
Output level | Single-ended Input & Single-ended Output | |
9Vpp @ Gain = low 25Vpp @Gain = medium 25Vpp @Gain = high |
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Balanced Input & Single-ended Output | ||
9Vpp @ Gain = low 25Vpp @Gain = medium 25Vpp @Gain = high |
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Single-ended Input & Balanced Output | ||
18Vpp @ Gain = low 49Vpp @Gain = medium 49Vpp @Gain = high |
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Balanced Input & Balanced Output | ||
18Vpp @ Gain = low 49Vpp @Gain = medium 49Vpp @Gain = high |
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Noise level (Audio Precision / A-weighted) | Single-ended Input & Single-ended Output | |
<0.7uVrms @ Gain = low <0.7uVrms @ Gain = medium <0.9uVrms @ Gain = high |
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Balanced Input & Single-ended Output | ||
<0.7uVrms @ Gain = low <0.7uVrms @ Gain = medium <0.9uVrms @ Gain = high |
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Single-ended Input & Balanced Output | ||
<0.9uVrms @ Gain = low <0.9uVrms @ Gain = medium <1.4uVrms @ Gain = high |
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Balanced Input & Balanced Output | ||
<0.9uVrms @ Gain = low <0.9uVrms @ Gain = medium <1.4uVrms @ Gain = high |
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Noise level (Extrapolation / A-weighted) | Single-ended Input & Single-ended Output | |
<0.2uVrms @ Gain = low <0.2uVrms @ Gain = medium <0.6uVrms @ Gain = high |
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Balanced Input & Single-ended Output | ||
<0.2uVrms @ Gain = low <0.2uVrms @ Gain = medium <0.6uVrms @ Gain = high |
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Single-ended Input & Balanced Output | ||
<0.6uVrms @ Gain = low <0.6uVrms @ Gain = medium <1.3uVrms @ Gain = high |
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Balanced Input & Balanced Output | ||
<0.6uVrms @ Gain = low <0.6uVrms @ Gain = medium <1.3uVrms @ Gain = high |
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Crosstalk @ 1kHz | Single-ended Input & Single-ended Output | |
-106dB | ||
Balanced Input & Single-ended Output | ||
-102dB | ||
Single-ended Input & Balanced Output | ||
-105dB | ||
Balanced Input & Balanced Output | ||
-105dB | ||
IMD CCIF @ 18kHz +19kHz | Single-ended Input & Single-ended Output | |
-118dB | ||
Balanced Input & Single-ended Output | ||
-118dB | ||
Single-ended Input & Balanced Output | ||
-118dB | ||
Balanced Input & Balanced Output | ||
-118dB | ||
IMD SMPTE @ 60Hz +7kHz | Single-ended Input & Single-ended Output | |
-110dB @ SMPTE4 : 1 -115dB @ SMPTE1 : 1 |
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Balanced Input & Single-ended Output | ||
-110dB @ SMPTE4 : 1 -115dB @ SMPTE1 : 1 |
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Single-ended Input & Balanced Output | ||
-110dB @ SMPTE4 : 1 -115dB @ SMPTE1 : 1 |
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Balanced Input & Balanced Output | ||
-110dB @ SMPTE4 : 1 -115dB @ SMPTE1 : 1 |
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Input sensitivity | Single-ended Input & Single-ended Output | |
9.5Vrms @ Gain = low 8.8Vrms @ Gain = medium 2.9Vrms @ Gain = high |
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Balanced Input & Single-ended Output | ||
9.5Vrms @ Gain = low 8.8Vrms @ Gain = medium 2.9Vrms @ Gain = high |
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Single-ended Input & Balanced Output | ||
9.5Vrms @ Gain = low 8.8Vrms @ Gain = medium 2.9Vrms @ Gain = high |
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Balanced Input & Balanced Output | ||
-110dB @ SMPTE4 : 1 -115dB @ SMPTE1 : 1 |
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Gain | Single-ended Input & Single-ended Output | |
-9.5dB @ Gain = low 0dB @ Gain = medium 9.5dB @ Gain = high |
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Balanced Input & Single-ended Output | ||
-9.5dB @ Gain = low 0dB @ Gain = medium 9.5dB @ Gain = high |
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Single-ended Input & Balanced Output | ||
-3.5dB @ Gain = low 6dB @ Gain = medium 15.5dB @ Gain = high |
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Balanced Input & Balanced Output | ||
-3.5dB @ Gain = low 6dB @ Gain = medium 15.5dB @ Gain = high |
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Output impedance | Single-ended Input & Single-ended Output | |
<0.1Ω | ||
Balanced Input & Single-ended Output | ||
<0.1Ω | ||
Single-ended Input & Balanced Output | ||
<0.2Ω | ||
Balanced Input & Balanced Output | ||
<0.2Ω | ||
Output power | Single-ended Input & Single-ended Output | |
3300mW x 2 @ 16Ω THD+N<0.1% 2000mW x 2 @ 32Ω THD+N<0.1% 250mW x 2 @ 300Ω THD+N<0.1% 125mW x 2 @ 600Ω THD+N<0.1% |
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Balanced Input & Single-ended Output | ||
3300mW x 2 @ 16Ω THD+N<0.1% 2000mW x 2 @ 32Ω THD+N<0.1% 250mW x 2 @ 300Ω THD+N<0.1% 125mW x 2 @ 600Ω THD+N<0.1% |
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Single-ended Input & Balanced Output | ||
7600mW x 2 @ 16Ω THD+N<0.1% 6400mW x 2 @ 32Ω THD+N<0.1% 1000mW x 2 @ 300Ω THD+N<0.1% 500mW x 2 @ 600Ω THD+N<0.1% |
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Balanced Input & Balanced Output | ||
7600mW x 2 @ 16Ω THD+N<0.1% 6400mW x 2 @ 32Ω THD+N<0.1% 1000mW x 2 @ 300Ω THD+N<0.1% 500mW x 2 @ 600Ω THD+N<0.1% |
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Load impedance | Single-ended Input & Single-ended Output | |
>8Ω | ||
Balanced Input & Single-ended Output | ||
>8Ω | ||
Single-ended Input & Balanced Output | ||
>8Ω | ||
Balanced Input & Balanced Output | ||
>8Ω | ||
Preamplifier Specs |
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THD+N @ 1kHz (A-weighted) | Single-ended Input & Single-ended Output | |
<0.00006% | ||
Balanced Input & Single-ended Output | ||
<0.00006% | ||
Single-ended Input & Balanced Output | ||
<0.00006% | ||
Balanced Input & Balanced Output | ||
<0.00006% | ||
THD+N @ 20-20kHz 90kBW | Single-ended Input & Single-ended Output | |
<0.0001% | ||
Balanced Input & Single-ended Output | ||
<0.0001% | ||
Single-ended Input & Balanced Output | ||
<0.0001% | ||
Balanced Input & Balanced Output | ||
<0.0001% | ||
SNR @ Max Out 1kHz (A-weighted) | Single-ended Input & Single-ended Output | |
141dB | ||
Balanced Input & Single-ended Output | ||
137dB | ||
Single-ended Input & Balanced Output | ||
145dB | ||
Balanced Input & Balanced Output | ||
138dB | ||
Plage dynamique @ Max Out 1kHz (A-weighted) | Single-ended Input & Single-ended Output | |
141dB | ||
Balanced Input & Single-ended Output | ||
137dB | ||
Single-ended Input & Balanced Output | ||
145dB | ||
Balanced Input & Balanced Output | ||
138dB | ||
Frequency Response | Single-ended Input & Single-ended Output | |
20Hz-40kHz (±0.05dB) | ||
Balanced Input & Single-ended Output | ||
20Hz-40kHz (±0.01dB) | ||
Single-ended Input & Balanced Output | ||
20Hz-40kHz (±0.05dB) | ||
Balanced Input & Balanced Output | ||
20Hz-40kHz (±0.01dB) | ||
Output level | Single-ended Input & Single-ended Output | |
9Vpp @ Gain = bas 25Vpp @Gain = moyen 25Vpp @Gain = haut |
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Balanced Input & Single-ended Output | ||
9Vpp @ Gain = bas 25Vpp @Gain = moyen 25Vpp @Gain = haut |
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Single-ended Input & Balanced Output | ||
18Vpp @ Gain = bas 49Vpp @Gain = moyen 49Vpp @Gain = haut |
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Balanced Input & Balanced Output | ||
18Vpp @ Gain = bas 49Vpp @Gain = moyen 49Vpp @Gain = haut |
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Noise level (Audio Precision / A-weighted) | Single-ended Input & Single-ended Output | |
<0.7uVrms @ Gain = bas <0.7uVrms @ Gain = moyen <0.9uVrms @ Gain = haut |
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Balanced Input & Single-ended Output | ||
<0.7uVrms @ Gain = bas <0.7uVrms @ Gain = moyen <0.9uVrms @ Gain = haut |
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Single-ended Input & Balanced Output | ||
<0.9uVrms @ Gain = bas <0.9uVrms @ Gain = moyen <1.4uVrms @ Gain = haut |
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Balanced Input & Balanced Output | ||
<0.9uVrms @ Gain = bas <0.9uVrms @ Gain = moyen <1.4uVrms @ Gain = haut |
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Noise level (Extrapolation / A-weighted) | Single-ended Input & Single-ended Output | |
<0.2uVrms @ Gain = bas <0.2uVrms @ Gain = moyen <0.6uVrms @ Gain = haut |
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Balanced Input & Single-ended Output | ||
<0.2uVrms @ Gain = bas <0.2uVrms @ Gain = moyen <0.6uVrms @ Gain = haut |
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Single-ended Input & Balanced Output | ||
<0.6uVrms @ Gain = bas <0.6uVrms @ Gain = moyen <1.3uVrms @ Gain = haut |
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Balanced Input & Balanced Output | ||
<0.6uVrms @ Gain = bas <0.6uVrms @ Gain = moyen <1.3uVrms @ Gain = haut |
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Crosstalk @ 1kHz | Single-ended Input & Single-ended Output | |
-106dB | ||
Balanced Input & Single-ended Output | ||
-102dB | ||
Single-ended Input & Balanced Output | ||
-105dB | ||
Balanced Input & Balanced Output | ||
-102dB | ||
IMD CCIF @ 18kHz +19kHz | Single-ended Input & Single-ended Output | |
-118dB | ||
Balanced Input & Single-ended Output | ||
-118dB | ||
Single-ended Input & Balanced Output | ||
-118dB | ||
Balanced Input & Balanced Output | ||
-118dB | ||
IMD SMPTE @ 60Hz +7kHz | Single-ended Input & Single-ended Output | |
-110dB @ SMPTE4 : 1 -115dB @ SMPTE1 : 1 |
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Balanced Input & Single-ended Output | ||
-110dB @ SMPTE4 : 1 -115dB @ SMPTE1 : 1 |
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Single-ended Input & Balanced Output | ||
-110dB @ SMPTE4 : 1 -115dB @ SMPTE1 : 1 |
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Balanced Input & Balanced Output | ||
-110dB @ SMPTE4 : 1 -115dB @ SMPTE1 : 1 |
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Input sensitivity | Single-ended Input & Single-ended Output | |
9.5Vrms @ Gain = bas 8.8Vrms @ Gain = moyen 2.9Vrms @ Gain = haut |
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Balanced Input & Single-ended Output | ||
9.5Vrms @ Gain = bas 8.8Vrms @ Gain = moyen 2.9Vrms @ Gain = haut |
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Single-ended Input & Balanced Output | ||
9.5Vrms @ Gain = bas 8.8Vrms @ Gain = moyen 2.9Vrms @ Gain = haut |
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Balanced Input & Balanced Output | ||
9.5Vrms @ Gain = bas 8.8Vrms @ Gain = moyen 2.9Vrms @ Gain = haut |
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Gain | Single-ended Input & Single-ended Output | |
-9.5dB @ Gain = bas 0dB @ Gain = moyen 9.5dB @ Gain = haut |
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Balanced Input & Single-ended Output | ||
-9.5dB @ Gain = bas 0dB @ Gain = moyen 9.5dB @ Gain = haut |
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Single-ended Input & Balanced Output | ||
-3.5dB @ Gain = bas 6dB @ Gain = moyen 15.5dB @ Gain = haut |
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Balanced Input & Balanced Output | ||
-3.5dB @ Gain = bas 6dB @ Gain = moyen 15.5dB @ Gain = haut |
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Output impedance | Single-ended Input & Single-ended Output | |
20Ω | ||
Balanced Input & Single-ended Output | ||
20Ω | ||
Single-ended Input & Balanced Output | ||
40Ω | ||
Balanced Input & Balanced Output | ||
40Ω |
- "A90 Balanced Headphone Amplifier
- AC Cable
- 6.35mm to 3.5mm Connector
- User Manual
- Warranty Card"