**__Question:__** What are the differences in versions? \\
**__Answer:__** Link: [[airlabversion:start|please read the info at this link]]

^  Version  ^  Airlab PCB info and modifications  ^
|  MK 1  |  Grey coated front Master without SUB potentiometer  |
^  ^  ^
|  MK 1  |  Grey coated front Master with SUB potentiometer and Talkback potentiometer moved  |
^  ^  ^
|  MK 1  |  Grey coated front Channel with 48 volt Phantom power switch  |
^  ^  ^
|  MK 1  |  Grey coated front Channel with Mono switch and 48 volt Phantom power selected by jumper  |
^  ^  ^
|  MK 2  |  Silver coated front with added Mic insert  |
^  ^  ^
|  MK 2  |  Silver coated front with changed side panels and Handrest with D&R logo  |
^  ^  ^
|  DT V.1  |  Airlab 7 > Airlab PWR-MO (4 holes to adjust voltages  |
|    |  Airlab Mux 5 volt distribution circuit removed  |
|    |  Airlab USB 5 volt connected to Airlab PWR-MO  |
|    |  Airlab USB meter option and control surface added  |
|    |  Airlab VU meter bridge removed  |
|    |  Airlab 2 connect relay circuit changed to work with 5 volt relay  |
^  ^  ^
|  DT V.2  |  Airlab PWR-MO > Airlab PSU-A at +/- 15volt  |
^  ^  ^
|  DT V.3  |  Airlab channel boards to SMD  |
|    |  Reedrelay at connector board removed, Opto couper placed at channel board to control fader start   |
|    |  Airlab 2 connect relay circuit changed to work with 5 volt relay  |
^  ^  ^
|  DT V.4  |  Airlab master boards to SMD  |
|    |  Airlab backplane changed to Lisheng XLR  |
\\
^  Airlab channel, USB, Dig, Voip  ^  MK2  ^  DT  ^
|  Relais  |  12 volt  |  12 volt (no relais at connector PCB connected with 0 Ohm)  |
|  Resistor R 93  |  2K7 Ohm  |  3K48 Ohm  |
\\
^  Airlab Telco  ^  MK2  ^  DT  ^
|  Relais RL 1  |  12 volt  |  5 volt (no relais at connector PCB, connected with 0 Ohm)  |
|  Diode Z1  |  Zener 8,2 volt  |  1N4148  |
|  Resistor R52  |  120 Ohm  |  Not placed  |
|  Resistor R 93  |  2K7 Ohm  |  3K48 Ohm  |
\\
\\
^  Airlab 1x  ^  Airlab 10x  ^  Airlab PCB info  ^
|  Airlab 10A with reed relais (2 jacks)  |  Airlab 1A  |  Leaded components no insert (Neutrik XLR)  |
|    |    |   (switch at the top of the channel is 48 volt phantom power on/off)  |
|  Airlab 10A with reed relais (2 jacks)  |  Airlab 1B  |  Leaded components no insert (Neutrik XLR)  |
|    |    |   (switch at the top of the channel is channel mono)  |
|  Airlab 10A with reed relais (2 jacks)  |  Airlab 1C  |  Leaded components no insert (Neutrik XLR)  |
|  Airlab 10B with reed relais (3 jacks)  |  Airlab 1D  |  Leaded components with insert (Neutrik XLR)  |
|    |    |   (non insert connect J11)  |
|  Airlab 10B with reed relais (3 jacks)  |  Airlab 1E  |  Leaded components with insert (Neutrik XLR)  |
|    |    |   (non insert connect J11)  |
^    ^    ^    ^
|  Airlab 10B without reed relais (3 jacks)  |  Airlab 1A SMT  |  SMD components with insert (Neutrik XLR)  |  
|  -  |  -  |  (non insert connect insert jack at 10B)  |
^    ^    ^    ^
|  Airlab 10A SMT without reed relais insert (3 jacks)  |  Airlab 1A SMT  |  SMD components with insert (with Li Sheng XLR)  |
|  -  |  -  |  (non insert connect jack at 10B)  |
\\
\\
[[https://www.dnrbroadcast.com/support-related|Support Request]]\\
\\
[[start:|{{:iconhome.png?100|Home}}]][[SupAirlab:start|{{:iconback2.png?100|Back}}]]
\\