Price:
$789
*Check with our team or your local store for availability.
We guarantee that all of our stock is 100% genuine,
Australian sourced stock, with full local warranty.
Colour: Black

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

THD+N @ 1kHz (A-weighted)

Single-ended Input & Single-ended Output
<0.00007% @ 500mW (32Ω)
<0.00006% @ 80mW (300Ω)
Balanced Input & Single-ended Output
<0.00009% @ 500mW (32Ω)
<0.00006% @ 80mW (300Ω)
Single-ended Input & Balanced Output
<0.00007% @ 2000mW (32Ω)
<0.00006% @ 320mW (300Ω)
Balanced Input & Balanced Output
<0.00009% @ 2000mW (32Ω)
<0.00006% @ 320mW (300Ω)

THD+N @ 20-20kHz 90kBW

Single-ended Input & Single-ended Output

<0.00004% @ 500mW (32Ω)
<0.00001% @ 80mW (300Ω)

Balanced Input & Single-ended Output

<0.00004% @ 500mW (32Ω)
<0.00001% @ 80mW (300Ω)

Single-ended Input & Balanced Output

<0.00004% @ 2000mW (32Ω)
<0.00001% @ 320mW (300Ω)

Balanced Input & Balanced Output

<0.00004% @ 2000mW (32Ω)
<0.00001% @ 320mW (300Ω)

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
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
Balanced Input & Single-ended Output
9Vpp @ Gain = low
25Vpp @Gain = medium
25Vpp @Gain = high
Single-ended Input & Balanced Output
18Vpp @ Gain = low
49Vpp @Gain = medium
49Vpp @Gain = high
Balanced Input & Balanced Output
18Vpp @ Gain = low
49Vpp @Gain = medium
49Vpp @Gain = high
Noise level (Audio Precision / A-weighted) Single-ended Input & Single-ended Output
<0.7uVrms @ Gain = low
<0.7uVrms @ Gain = medium
<0.9uVrms @ Gain = high
Balanced Input & Single-ended Output
<0.7uVrms @ Gain = low
<0.7uVrms @ Gain = medium
<0.9uVrms @ Gain = high
Single-ended Input & Balanced Output
<0.9uVrms @ Gain = low
<0.9uVrms @ Gain = medium
<1.4uVrms @ Gain = high
Balanced Input & Balanced Output
<0.9uVrms @ Gain = low
<0.9uVrms @ Gain = medium
<1.4uVrms @ Gain = high
Noise level (Extrapolation / A-weighted) Single-ended Input & Single-ended Output
<0.2uVrms @ Gain = low
<0.2uVrms @ Gain = medium
<0.6uVrms @ Gain = high
Balanced Input & Single-ended Output
<0.2uVrms @ Gain = low
<0.2uVrms @ Gain = medium
<0.6uVrms @ Gain = high
Single-ended Input & Balanced Output
<0.6uVrms @ Gain = low
<0.6uVrms @ Gain = medium
<1.3uVrms @ Gain = high
Balanced Input & Balanced Output
<0.6uVrms @ Gain = low
<0.6uVrms @ Gain = medium
<1.3uVrms @ Gain = high
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
Balanced Input & Single-ended Output
-110dB @ SMPTE4 : 1
-115dB @ SMPTE1 : 1
Single-ended Input & Balanced Output
-110dB @ SMPTE4 : 1
-115dB @ SMPTE1 : 1
Balanced Input & Balanced Output
-110dB @ SMPTE4 : 1
-115dB @ SMPTE1 : 1
Input sensitivity Single-ended Input & Single-ended Output
9.5Vrms @ Gain = low
8.8Vrms @ Gain = medium
2.9Vrms @ Gain = high
Balanced Input & Single-ended Output
9.5Vrms @ Gain = low
8.8Vrms @ Gain = medium
2.9Vrms @ Gain = high
Single-ended Input & Balanced Output
9.5Vrms @ Gain = low
8.8Vrms @ Gain = medium
2.9Vrms @ Gain = high
Balanced Input & Balanced Output
-110dB @ SMPTE4 : 1
-115dB @ SMPTE1 : 1
Gain Single-ended Input & Single-ended Output
-9.5dB @ Gain = low
0dB @ Gain = medium
9.5dB @ Gain = high
Balanced Input & Single-ended Output
-9.5dB @ Gain = low
0dB @ Gain = medium
9.5dB @ Gain = high
Single-ended Input & Balanced Output
-3.5dB @ Gain = low
6dB @ Gain = medium
15.5dB @ Gain = high
Balanced Input & Balanced Output
-3.5dB @ Gain = low
6dB @ Gain = medium
15.5dB @ Gain = high
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%
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%
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%
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%
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
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
Balanced Input & Single-ended Output
9Vpp @ Gain = bas
25Vpp @Gain = moyen
25Vpp @Gain = haut
Single-ended Input & Balanced Output
18Vpp @ Gain = bas
49Vpp @Gain = moyen
49Vpp @Gain = haut
Balanced Input & Balanced Output
18Vpp @ Gain = bas
49Vpp @Gain = moyen
49Vpp @Gain = haut
Noise level (Audio Precision / A-weighted) Single-ended Input & Single-ended Output
<0.7uVrms @ Gain = bas
<0.7uVrms @ Gain = moyen
<0.9uVrms @ Gain = haut
Balanced Input & Single-ended Output
<0.7uVrms @ Gain = bas
<0.7uVrms @ Gain = moyen
<0.9uVrms @ Gain = haut
Single-ended Input & Balanced Output
<0.9uVrms @ Gain = bas
<0.9uVrms @ Gain = moyen
<1.4uVrms @ Gain = haut
Balanced Input & Balanced Output
<0.9uVrms @ Gain = bas
<0.9uVrms @ Gain = moyen
<1.4uVrms @ Gain = haut
Noise level (Extrapolation / A-weighted) Single-ended Input & Single-ended Output
<0.2uVrms @ Gain = bas
<0.2uVrms @ Gain = moyen
<0.6uVrms @ Gain = haut
Balanced Input & Single-ended Output
<0.2uVrms @ Gain = bas
<0.2uVrms @ Gain = moyen
<0.6uVrms @ Gain = haut
Single-ended Input & Balanced Output
<0.6uVrms @ Gain = bas
<0.6uVrms @ Gain = moyen
<1.3uVrms @ Gain = haut
Balanced Input & Balanced Output
<0.6uVrms @ Gain = bas
<0.6uVrms @ Gain = moyen
<1.3uVrms @ Gain = haut
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
Balanced Input & Single-ended Output
-110dB @ SMPTE4 : 1
-115dB @ SMPTE1 : 1
Single-ended Input & Balanced Output
-110dB @ SMPTE4 : 1
-115dB @ SMPTE1 : 1
Balanced Input & Balanced Output
-110dB @ SMPTE4 : 1
-115dB @ SMPTE1 : 1
Input sensitivity Single-ended Input & Single-ended Output
9.5Vrms @ Gain = bas
8.8Vrms @ Gain = moyen
2.9Vrms @ Gain = haut
Balanced Input & Single-ended Output
9.5Vrms @ Gain = bas
8.8Vrms @ Gain = moyen
2.9Vrms @ Gain = haut
Single-ended Input & Balanced Output
9.5Vrms @ Gain = bas
8.8Vrms @ Gain = moyen
2.9Vrms @ Gain = haut
Balanced Input & Balanced Output
9.5Vrms @ Gain = bas
8.8Vrms @ Gain = moyen
2.9Vrms @ Gain = haut
Gain Single-ended Input & Single-ended Output
-9.5dB @ Gain = bas
0dB @ Gain = moyen
9.5dB @ Gain = haut
Balanced Input & Single-ended Output
-9.5dB @ Gain = bas
0dB @ Gain = moyen
9.5dB @ Gain = haut
Single-ended Input & Balanced Output
-3.5dB @ Gain = bas
6dB @ Gain = moyen
15.5dB @ Gain = haut
Balanced Input & Balanced Output
-3.5dB @ Gain = bas
6dB @ Gain = moyen
15.5dB @ Gain = haut
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

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