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Cranborne Audio N22H Reference-Grade Headphone Amplifier, Cat 5 Snake, and C.A.S.T. Breakout Box.
Headphone Monitoring Made Easy
N22H is a reference-grade headphone amplifier with advanced C.A.S.T. cable management, battery power, and switchable power modes.
- Two balanced combi jack inputs
- Two balanced XLR and 1/4” jack outputs
- Reference-quality headphone amplifier
- THD+N: <0.0009% (-100.4dB) @ +6dBu, 1kHz, A-weighted, 100 kOhm load
- Output Wattage (1kHz): 252mW x 2 @ 600 ohms, 502mW x 2 @ 220 ohms, 950mW x 2 @ 100 ohms, 470mW x 2 @ 32 ohms
- Frequency Response: 1dB, <0.8Hz to >200kHz
- Switchable High and Low Power Modes
- High Power optimised for maximum power and performance for high-impedance, over-ear, and open back mixing/mastering headphones
- Low Power optimised for maximum battery life for low-impedance, in-ears and closed back tracking headphones
- 9V Battery compartment
- Up to ~10 hours battery life (Low Power Mode)
- Up to ~2 hours Battery life (High Power Mode)
- 9V DC Power Inlet
- Includes a 9V DC (centre negative) power supply
- Can be powered with any 3rd party 9v DC (centre negative) guitar pedal power supply (1000mA supply recommended)
- C.A.S.T IN RRTT Port
- For connecting to the C.A.S.T. Output of N22 or other C.A.S.T. enabled devices
- C.A.S.T OUT TTRR Port
- For connecting to the C.A.S.T. Input of 500R8, 500ADAT or other C.A.S.T. enabled devices
- Cat5 snake connectivity with N22 or second N22H
- Compatible with any shielded Cat 5e/Cat 6/Cat 7 cable with distances up to 100m/330ft
- Improved crosstalk performance with high-performance Cat 6 and Cat 7 (recommended)
- Ruggedised metal enclosure
- Fixing holes for permanent installation
- Cable-tie holes for cable management
- Non-slip rubber feet
- ⅜” mic stand thread mount on bottom
All specifications are typical performance unless otherwise noted. All specifications are subject to change at any time. Tested with Audio Precision APx555. | |
Headphone Amplifier (High Power Mode) | |
Test Signal Path | APx555 (Line Out) – Input 1-2 – Headphone Output – APx555 (Line In) |
Max Input Level | +28dBu |
Input Impedance | 44 kOhms |
Frequency Response | -0.5dB, <1.2Hz to >200kHz |
-1dB, <0.8Hz to >250kHz | |
THD | <0.0017% (-95dB) @ +20dBu, 1kHz, A-weighted, 300 Ohm load |
<0.0005% (-105dB) @ +6dBu, 1kHz, A-weighted, 100 kOhm load | |
THD+N | <0.0018% (-94.8dB) @ +20dBu, 1kHz, A-weighted, 300 Ohm load |
<0.0012% (-98.4dB) @ +14dBu, 1kHz, A-weighted, 100 kOhm load | |
<0.0009% (-100.4dB) @ +6dBu, 1kHz, A-weighted, 100 kOhm load | |
Output Impedance | 0.33 Ohms |
Output Wattage | 252mW x 2 @ 600 Ohms, 1kHz |
502mW x2 @ 300 Ohms, 1kHz | |
950mW x 2 @ 100 Ohms, 1kHz | |
470mW x 2 @ 32 Ohms, 1kHz | |
Dynamic Range | 114.7dB A-weighted, AES17 method, 20Hz – 20kHz, 600 Ohm load |
116.5dB A-weighted, AES17 method, 20Hz – 20kHz, 100 kOhm load | |
Noise Floor | -97.5dBu A-weighted, 20Hz – 20kHz, 32-100 kOhm load |
-99.9dBV A-weighted, 20Hz – 20kHz, 32-100 kOhm load | |
Headphone Amplifier (Low Power Mode) | |
Test Signal Path | APx555 (Line Out) – Input 1-2 – Headphone Output – APx555 (Line In) |
Max Input Level | +21.7dBu |
Input Impedance | 44 kOhms |
Frequency Response | -0.5dB, <1.2Hz to >200kHz |
-1dB, <0.8Hz to >250kHz | |
THD | <0.0002% (-114dB) @ +6dBu, 1kHz, A-weighted, 100 kOhm load |
THD+N | <0.00045% (-107dB) @ +14dBu, 1kHz, A-weighted, 100 kOhm load |
<0.0008% (-102dB) @ +6dBu, 1kHz, A-weighted, 100 kOhm load | |
Output Impedance | 1 Ohms |
Output Wattage | 46mW x 2 @ 600 Ohms, 1kHz |
73mW x2 @ 300 Ohms, 1kHz | |
112W x 2 @ 100 Ohms, 1kHz | |
71mW x 2 @ 32 Ohms, 1kHz | |
Dynamic Range | 110.1dB A-weighted, AES17 method, 20Hz – 20kHz, 600 Ohm load |
112.9dB A-weighted, AES17 method, 20Hz – 20kHz, 100 kOhm load | |
Noise Floor | -100dBu A-weighted, 20Hz – 20kHz, 32-100 kOhm load |
-102.3dBV A-weighted, 20Hz – 20kHz, 32-100 kOhm load | |
Power Consumption | |
All power consumption measurements are estimates. Actual power consumption will vary depending on headphone impedance/sensitivity, source material and it’s frequency content, as well as overall headphone volume. | |
Current Consumption | 110 mA idle, 390 mA peak, High Power |
30 mA idle, 80 mA peak, Low Power | |
Average Battery Life | ~ 2h (High Power) |
~ 9h 30m (Low Power) | |
Battery Low Indicator Threshold | 6.8v |
Unit Off Threshold | 3v |
Real-World Battery Life Tests | |
Actual battery life will vary depending on battery type being used, headphone impedance/sensitivity, source material and it’s frequency content, as well as overall headphone volume. | |
Test Signal Path | 500ADAT C.A.S.T. Input – N22H C.A.S.T. Output – Headphone Output |
Audio Technica ATH-M50x (38Ω) | 1h = Battery Low Indicator, 2h = Unit Off
(High Power Mode, Max Volume, Energizer Max Battery) |
8h 10m = Battery Low Indicator, 10h 25m = Unit Off
(Low Power Mode, Max Volume, Energizer Max Battery) |
|
Shure SE215 (17Ω) | 45m = Battery Low Indicator, 1h 44m = Unit Off
(High Power Mode, Max Volume, Duracell Plus Battery) |
7h = Battery Low Indicator On, 9h = Unit Off
(Low Power Mode, Max Volume, Duracell Plus Battery) |
|
Power Adapter Requirements | |
AC Requirements | 100V – 240V AC, 50 – 60 Hz |
Adapter Requirements | 9v, 500mA, DC (Centre Negative), (Included Supply) |
9v, 1000mA, DC (Centre Negative), (3rd Party Supply) | |
Environmental | |
Operating Temperature | +1 to 35 degrees Celsius |
Storage Conditions | -20 to 50 degrees Celsius |
Dims/Weights | |
Unit | |
Width | 150mm (5.9”) |
Height | 46mm (2.2″) |
Depth | 120mm (4.7″) |
Unit Weight | 0.91kg (2lb) |
Shipping Carton | |
Width | 250mm (9.8″) |
Height | 120mm (4.7″) |
Depth | 200mm (7.9″) |
Carton Weight | 1.4kg (3.1lb) |