Attention !

Be carefull due to a hardware change it isn't possible to combine older versions with units produced after 01-01-2022 !!!
V.10 Main V.6 Extender	01-01-2022	POWER SUPPLY CHANGED TO 12 VOLT INSTEAD OF THE EARLIER USED 36 VOLT MAIN V.10 and EXTENDER V.6 ARE NOT COMPATIBLE WITH OLDER VERSIONS !!!

Version	Date	Airence PCB info and modifications
V.1	06-12-2013	-

V.2	14-01-2014	Airence 1C > Airence 1D: Added Mic-on 2 circuit at Extender

V.3	18-11-2014	Airence 2D > Airence 2E: USB noise reduced at Main
		Airence Main and Extender fronts with Powder Coating

V.4	20-01-2015	Airence 6E > C20, C38, C39, C40 replaced by 0R (wire), to prevent distortion at Announcer and Studio output

V.5	29-04-2015	Airence 9B > Added 8x 100K resistor, protection for peak voltages when connecting a powered Extender
		Airence Main new fronts without Master faders

V.6	28-05-2015	Airence 9B > C64, C65, C66, C67 replaced by 0R (wire), for better ground connection
		Airence Main and Extender remove powder coating at 15pin Sub D connector, for better ground connection

V.7	xx-06-2016	Airence Main 4, 5 and 6 pcb > SMD with different ledbar drivers
		Airence Main Added Digital option
		Airence 3 (Telco) > SMD with added Ring signal to Start jack
		Airence Main Added 100N capacitor to remove Fader start noise in Audio

		Airence V7 (Telco, Voip, Master 4, 5 and 6 pcb) not compatible with older versions due to Communication buss and Digital option. You'll have to replace the complete set except Airence 6 and 7!

V.8	xx-11-2017	Airence 3 (Telco) > R15, R17 replaced by leaded 600mW Resistors R17-R18 modification

V.9	xx-05-2018	Airence 3 (Telco) > R15, R17 replaced by SMD High power

V.10 Main V.6 Extender	01-01-2022	POWER SUPPLY CHANGED TO 12 VOLT INSTEAD OF THE EARLIER USED 36 VOLT MAIN V.10 and EXTENDER V.6 ARE NOT COMPATIBLE WITH OLDER VERSIONS !!!