Sphere lab

Location

The Sphere lab is located at the underground corridor (floor -2) between the Huygens Building and the Goudsmitpaviljoen (NMR). The entrance from the corridor is has the number W36A -2.002a. The Lab itself has the number -2.002d. The entrance code of the door lock is 2971.

Experimental setup

Sound booth

Acoustics

...todo...

Electronics rack

The electronics rack contains 10 TDT Zbus devices chassis, each containing two TDT series 3 devices. Furthermore it contains the Field coil amplifier and the Femto LockinAmplifier as part of the head tracking electronics. The zBus Monitor program has control functions for the optical bus. It shows all the connected zBus chassis and the TDT devices that are installed in each chassis. It also shows the version number of the installed firmware on the devices.

Image: zBus Monitor

The following table shows all the zBus chassis from top to bottom, with the installed devices.

Chassis	Front left	Front right	Back
Zbus	MS2 Monitor speaker	<empty>
Zbus	PA5 Attenuator	PA5 Attenuator	F05 optibit bus #1
Zbus	PA5 Attenuator	PA5 Attenuator	F05 optibit bus #2
Zbus	SA1 Speaker amplifier	SA1 Speaker amplifier
Zbus	RP2.1 Sound processor	RP2.1 Sound processor	F05 optibit bus #3
Zbus	PM2R Multiplexer	PM2R Multiplexer
Zbus	PM2R Multiplexer	PM2R Multiplexer
Zbus	PM2R Multiplexer	PM2R Multiplexer
Zbus	PM2R Multiplexer	PM2R Multiplexer
Zbus	RA16ba base station	RA8GA2 multi DAC	F05 optibit bus #4

Image: upper half of electronics rack

The next table shows all other electronics in the lower half of the rack from top to bottom.

PP16 Patch panel for Medusa Base Station

PP16 Patch panel for Medusa Base Station

Digital event recorder

Junction box panel (connects to junction box in sound boot)

Trigger distribution panel

Femto Lockin amplifiers

Tektronics Oscilloscope

Field coil amplifier

Rack main power switch

Patch panel for XLR output to Tannoy speakers

Image: lower half of electronics rack