Cranborne Audio N22H User Manual Download Page 1 | Manualshive

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N22H - Reference-Grade Headphone Ampliﬁer, Cat

5 Snake, and C.A.S.T. Breakout Box.

User Manual

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Summary of Contents for N22H

Page 1: ...N22H Reference Grade Headphone Amplifier Cat 5 Snake and C A S T Breakout Box User Manual ...

Page 2: ... accessible whilst offering the highest quality and truly innovative new ways of working and achieving that sound that we all desire Cranborne Audio for us means so much more than metal boxes with components in them These are our labours of love that embody and demonstrate our demand for excellence By distilling what matters and putting our soul into these tools we hope to help other people make m...

Page 3: ...ur customers agreed Whether tracking with high impedance over ear headphones or low impedance in ear monitors N22H delivers maximum performance with a flick of a switch between high and low power modes For maximum flexibility your N22H can be powered in multiple ways with the included 9V DC power supply or any guitar pedal power supply Optionally a 9 volt battery will provide up to 10 hours of ope...

Page 4: ...dth Switch 5 15 Source Switch 6 15 C A S T 15 INPUTS 15 Battery Low Indicator 7 16 Power Indicator 8 16 Power Mode Switch 10 17 Low Power Mode 17 High Power Mode 17 Changing Power Modes 17 C A S T 19 Cable Requirements 19 C A S T Wiring 20 C A S T Warnings 21 Using C A S T with 48v Phantom Power 22 Application Guides 24 Standalone Reference Grade Headphone Amplifier 24 Using N22H with Camden EC2 2...

Page 5: ...34 Instructions for disposal of WEEE by end users in the European Union 34 Electromagnetic Compatibility 34 Environmental 34 Warning N22H s Headphone Output is extremely loud Prolonged exposure to loud music can cause permanent hearing loss Please exercise caution when using N22H and reduce the Headphones Level Control 1 when listening for long periods of time ...

Page 6: ...require power to operate 11 Power Inlet Powers N22H s headphone output using the supplied 9V DC power supply Battery is disconnected internally when a DC supply is being used Note When power inlet is used N22H stays Powered On 5 Width Switch Adjusts the Width of the headphones output between true Stereo or Mono 12 C A S T IN Used to connect N22H to the C A S T Output of another C A S T enabled dev...

Page 7: ...ter supplied with N22H is a 9v DC 500mA power supply with a centre negative 2 1mm barrel fitted on the end This supply is the same type of supply that is used to power many popular guitar pedals and pedalboards such including isolated multi output power supplies or inline daisy chain adapters Using 3rd party power supplies with N22H is supported provided the supply is of the correct specification ...

Page 8: ...o the push fit battery connector tuck the loose leads back inside N22H and locate the battery into the cavity Once the battery is secure and the fly lead is hidden away in N22H refit the Battery Cover 9 and tighten the thumb screw Note Please be careful when pulling on the battery fly lead when fitting the battery Excessive force on the connector could damage the wires of the connector or PCB When...

Page 9: ...not drain when mains power is connected If you re operating with both Battery and External power supplies connected when the Power Inlet 11 is removed N22H will default back to Battery power seamlessly without any drop out of audio The Power Inlet can then be reconnected and N22H will switch back to using external power without any drop out of audio Note N22H does not support trickle charging of r...

Page 10: ...that the playback source is a line level output from an audio interface or preamp 2 Select the Inputs option using the Source Switch 6 3 Connect headphones to N22H s Headphones Output 2 i If using battery power the unit will power on automatically when headphones are connected ii If using mains power N22H will power on automatically when power is detected Once connected stereo line sources passed ...

Page 11: ... option using the Source Switch 6 4 Connect headphones to N22H s Headphone Output 2 i If using battery power N22H will power on automatically when headphones are connected ii If using mains power N22H will power on automatically when power is detected Once connected Mic Line sources connected to N22H will travel through the C A S T connection and arrive at the inputs of the device for processing w...

Page 12: ...sed for connecting headphones to N22H s headphone amplifier The connection is made by a TRS connector that is found on popular professional and prosumer headphones For consumer headphones or earbuds with smaller connectors you can connect a suitable adapter to convert the jack to a larger jack Splitters and headphone extenders can be used with N22H but please exercise caution when connecting them ...

Page 13: ...vely and so do not require N22H to be powered on to operate When the Source Switch 6 is set to C A S T both the headphone amplifier and Outputs 3 of N22H receive the same signal from the C A S T system In the above diagram the C A S T Output 14 of N22H is connected to the C A S T Input of an N22 using a shielded Cat 5e Cat 6 or Cat 7 cable Audio connected to the inputs of N22 or any other C A S T ...

Page 14: ...not require N22H to be powered on to operate N22H s Inputs accept balanced mic line signals as well as unbalanced line signals from external devices It can also safely pass 48v Phantom Power depending on the devices used in the system Using C A S T with 48v Phantom Power In the above diagram the C A S T Output 14 of N22H is connected to the C A S T Input of an N22 using a shielded Cat 5e Cat 6 or ...

Page 15: ...22H is being used as part of a C A S T system In this mode the headphone amplifier will receive the audio signal incoming from C A S T For example if N22H s C A S T Output 13 is connected to a C A S T Input of a Cranborne Audio 500R8 N22H s headphone amplifier will monitor the Aux Mix and Talkback generated from the connected 500R8 INPUTS The Source Switch 6 should be set to Inputs when N22H is be...

Page 16: ...ay vary depending on the battery type being used and its voltage performance Some 9v batteries can drop quickly below 6 8v and remain in use for a long time whilst others can stay above 6 8v for extended periods and then drop suddenly Please see our Real World Battery Tests for more information on real world battery tests Power Indicator 8 The Power Indicator 8 lights Blue when N22H is Powered On ...

Page 17: ... battery life Note 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 Changing Power Modes First make sure any headphones are disconnected from N22H the Headphones Level Control 1 is reduced to minimum and the Power Inlet 11 is disconnected Remove the Battery Cover 9 by tw...

Page 18: ... from N22H Note The C A S T Input 12 comes shipping with a plastic RJ45 blocker to ensure that it is not accidentally connected to the common C A S T Input on 500R8 and 500ADAT rack This blocker should only be removed when N22H is to be connected to another device s C A S T Output C A S T Input RRTT Receive R Receive R Transmit T Transmit T To Output 1 To HP Output L To Output 2 HP Output R From I...

Page 19: ...abling whilst achieving the highest sonic results Each C A S T connection on a Cranborne Audio product features unique optimisation to ensure that the maximum signal integrity is transmitted over shielded Cat 5 Cat 6 and Cat 7 cables for distances of up to 100m 330ft without high end roll off and with very low crosstalk Recommendation For best possible performance over maximum distances we recomme...

Page 20: ...Audio warranty C A S T Wiring Below is the wiring table that is used in both TTRR Output and RRTT Input paths of C A S T Using this diagram you are able to create your own C A S T devices if desired TTRR RRTT Pin Signal Pin Signal 1 C A S T IN 1 1 C A S T OUT 1 2 C A S T IN 1 2 C A S T OUT 1 3 C A S T IN 2 3 C A S T OUT 2 4 C A S T OUT 1 4 C A S T IN1 5 C A S T OUT 1 5 C A S T IN 1 6 C A S T IN 2 ...

Page 21: ...ing 48v phantom power is easily high enough to cause permanent damage to home routers or computers Only connect C A S T Outputs to Input and Vice Versa Connecting a C A S T Input to another C A S T Input can cause irreparable damage to microphones speakers and Cranborne Audio gear Ensure the Cat 5e Cat 6 and Cat 7 cable used is fully shielded C A S T s performance is limited when non shielded cabl...

Page 22: ... N22H is connected to an N22 as a remote stagebox via C A S T with an audio interface or 3rd party preamp with full 48v Phantom Power support 1 Connect the XLR Outputs of N22 to your audio interface s preamp inputs 2 Connect the C A S T Output of the N22 to the C A S T Input 12 of N22H using shielded Cat 5e Cat 6 or Cat 7 cable 3 Connect your DI box or condenser microphone to N22H s Inputs 4 4 Eng...

Page 23: ... and adjust preamp Gain and settings to suit the source Now you can now record all signals connected to N22H s input as normal as though they are connected via a single XLR cable Note Please ensure that C A S T Outputs are connected to C A S T inputs of the next device and vice versa Mismatching connections and connecting Inputs to Inputs or Outputs to Outputs C A S T can cause serious harm to dow...

Page 24: ...s outboard hardware any device with line level outputs You can also use unbalanced connections such as from guitar pedalboards and FX processors However please ensure the level is line level for maximum volume and best performance This hardware setup diagram will get N22H configured as a standalone reference quality headphone amplifier 1 Connect your stereo playback source from an audio interface ...

Page 25: ...irectly through to the headphone amplifier for monitoring Adjust headphone level 1 to taste Using N22H instead of the headphone outputs of your interface allows you to upgrade the headphone monitoring quality of your existing setup and benefit from more power and higher clean volume with a wider range of headphones Note Connecting N22H to the headphone port of another device such as a computer wil...

Page 26: ... S T Input on Camden EC2 using a shielded Cat 5e Cat 6 or Cat 7 cable i Note A fully shielded connector is required in order to pass 48v correctly 2 Connect Camden EC2 s C A S T Output to the C A S T Input on N22 using a shielded Cat 5e Cat 6 or Cat 7 cable 3 On N22H set the Source Switch 6 to C A S T and connect your headphones to the Headphone Output 2 i If using battery power the unit will powe...

Page 27: ...C2 s C A S T Output to the C A S T Input on N22 using a shielded Cat 5e Cat 6 or Cat 7 cable 8 Connect the outputs of N22 to the inputs of your recording device i Output 1 Camden EC2 s Channel 1 output ii Output 2 Camden EC2 s Channel 2 output 9 Connect the outputs of your recording device to N22 s inputs These connections are sent through C A S T and to Camden EC2 s Aux In C A S T level control i...

Page 28: ...ct headphones to N22H s headphone output 2 i If using battery power the unit will power on automatically when headphones are connected ii If using mains power N22H powers on automatically when power is detected 5 Connect the XLR outputs of N22 to the Preamp Inputs of your recording device or Audio interface 6 Connect the Input of N22 to the line outputs of your recording device or Audio interface ...

Page 29: ...ack source into the Inputs 4 of the 1st N22H i Set the Source Switch 6 of the 1st N22H to Inputs 2 Connect C A S T Output 13 of the 1st N22H to the C A S T Input of the next N22H using shielded Cat 5e Cat 6 or Cat 7 cable i Set the Source Switch 6 of the 2nd N22H to C A S T 3 Connect C A S T Output 13 of the 2nd N22H to the C A S T Input of the next N22H using shielded Cat 5e Cat 6 or Cat 7 cable ...

Page 30: ...attery Shure SE215 17Ω Playing program material at maximum level High Power Mode 45m Battery Low Indicator 1h 44m Unit Off Duracell Plus Battery Low Power Mode 7h Battery Low Indicator On 9h Unit Off Duracell Plus Battery Battery Performance During our testing we found varying performances from high street battery brands Even two of the same battery from the same pack lasted different amounts of t...

Page 31: ...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 kOhm...

Page 32: ...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 Vo...

Page 33: ...nauthorized personnel Installation notes Ensure that no strain is placed on any cables connected to this apparatus Ensure that all such cables are not placed where they can be stepped on pulled or tripped over WARNING To reduce the risk of fire or electric shock do not expose this apparatus to rain or moisture ATTENTION Afin de réduire les risques de choc électrique ne pas exposer cet appareil à l...

Page 34: ...10 25214 10 2 and 58012 Health and Safety Code Section 42475 2 Public Resources Code Instructions for disposal of WEEE by end users in the European Union The symbol shown here which is on the product or on its packaging indicates that this product must not be disposed of with other waste It is the user s responsibility to dispose of their waste equipment by handing it over to a designated collecti...

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