
© 2014 EMM Labs Inc., All Rights Reserved. EMM Labs reserves the right to amend specifications & design without notice.
PRE2 STEREO PREAMPLIFIER OWNER’S MANUAL
001
Version 1.1

ank you for choosing EMM Labs...
Welcome
002
© 2014 EMM Labs Inc., All Rights Reserved. EMM Labs reserves the right to amend specifications & design without notice.
PRE2 STEREO PREAMPLIFIER OWNER’S MANUAL

Warranty
Operational Features
PRE2 STEREO PREAMPLIFIER
Main Screen
Front Panel & Functions
008
008
Rear Panel & Functions
011
012
003
Table Of Contents
Welcome
002
005
007
009
006
PRE2 STEREO PREAMPLIFIER OWNER’S MANUAL
Features & Specifications
012
012
013
Volume Knob and Signal Gain
Input Selectors
Product Power Up
Programming Menu
014
Display Contrast and Brightness
© 2014 EMM Labs Inc., All Rights Reserved. EMM Labs reserves the right to amend specifications & design without notice.

Appendix A - Serial Remote Control (RS232)
Infrared Remote Control
Input Naming Menu
Volume Display Units
System Maintenance
Input Preselect
017
008
Clear Settings
019
004
Table Of Contents
014
015
016
017
016
PRE2 STEREO PREAMPLIFIER OWNER’S MANUAL
Set Volume Font
018
© 2014 EMM Labs Inc., All Rights Reserved. EMM Labs reserves the right to amend specifications & design without notice.

Warranty
Warranty
EMM Labs warrants the PRE2 product against defects in material
and workmanship under normal use and service for a period of time
specied by the product’s serial number from the date of rst
delivery to the owner. e warranty time period is 5 years. Warranty
is limited to the original owner and is non-transferable.
EMM Labs will pay for return shipping charges back to the owner
when the product is sent to EMM Labs within the rst 90 days aer
purchase (US and Canada end-users only). Otherwise, owner will be
responsible for all shipping charges to and from EMM Labs.
For all warranty claims, a copy of the original invoice must
accompany the product.
Opening the product or modifying it in any way by the owner,
including but not limited to cryogenic treatment, will void any
warranty.
Please contact EMM Labs (support@emmlabs.com) for RMA number
and shipping instructions before shipping any product to EMM Labs.
EMM Labs products are sold worldwide through authorized dealers
with restricted territories. EMM Labs product purchased from
non-authorized dealers or from a dealer selling outside his / her
authorized territory will automatically void product warranty.
005
PRE2 STEREO PREAMPLIFIER OWNER’S MANUAL
© 2014 EMM Labs Inc., All Rights Reserved. EMM Labs reserves the right to amend specifications & design without notice.

006
PRE2 STEREO PREAMPLIFIER
PRE2 STEREO PREAMPLIFIER
Built on the heritage of the famous PA6i, the PRE2 preamplier
incorporates Ed’s latest preamplication designs coupled with ground
breaking technology.
e PRE2 STEREO PREAMPLIFIER features:
• 6 sets of stereo analog inputs and 1 stereo recording loop.
• 100% contactless dual-balanced discrete audio paths.
• Proprietary soware-based analog volume control.
• Exclusive aerospace-grade composite laminate circuit boards.
• Newly designed intuitive control system featuring
programmable input naming, settings recall and many
additional features.
• Proprietary High-isolation resonant mode power supply for
silent, green operation.
e PRE2 is the culmination of years of research and development
resulting in EMM Labs most sophisticated and transparent
preamplier to date.
PRE2 STEREO PREAMPLIFIER OWNER’S MANUAL
© 2014 EMM Labs Inc., All Rights Reserved. EMM Labs reserves the right to amend specifications & design without notice.

007
Features & Specifications
Features & Specications
S/N ratio: 110dB (A-weighted)
THD: 1kHz <0.01%; 20kHz <0.01%
Frequency range: 0Hz-100kHz
Gain control range: Better than 62dB
Maximum output level: +/- 11V p-p (+26 dBu)
Maximum input level: +/- 7V p-p (+22 dBu)
System Gain: +12dB
Analog Inputs:
• 2 Stereo sets of Balanced (XLR) - Input Impedance: 20kΩ
• 4 Stereo sets of Un-Balanced (RCA) - Input Impedance: 10kΩ
• 1 Stereo Loop Input Un-Balanced (RCA) - Input Impedance: 50kΩ
Analog Outputs:
• 1 Stereo set of Balanced (XLR) - Output Impedance: 150Ω
• 1 Stereo set of Un-Balanced (RCA) - Output Impedance: 75Ω
• 1 Stereo Loop Output Un-Balanced (RCA) - Output Impedance: 300Ω
System:
• System control via serial RS-232
• Soware upgradeable
Power Consumption Max: 40W
Dimensions W x D x H: 435 x 400 x 92mm, Weight: 12kg
PRE2 STEREO PREAMPLIFIER OWNER’S MANUAL
© 2014 EMM Labs Inc., All Rights Reserved. EMM Labs reserves the right to amend specifications & design without notice.

008
Front Panel and Functions
PRE2 STEREO PREAMPLIFIER OWNER’S MANUAL
Front Panel & Functions
1. Standby/Power-Save button:
Toggles the operation between on and power-save mode. In power save mode the
remote control and all front panel functions become inactive.
2. Program and Function buttons:
Front panel buttons used to access functions and program the PRE2.
3. PRE2 Display:
Display can be dimmed or turned o using the the remote DIM button.
4. Input Selection buttons.
5. PRE2 Volume Knob.
© 2014 EMM Labs Inc., All Rights Reserved. EMM Labs reserves the right to amend specifications & design without notice.