Meitner Audio PRE Manual de usuario
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Version 1.22 PRE Stereo Preamplifier Manual
meitner © 2023 Meitner Audio, All Rights Reserved. Meitner Audio reserves the right to amend specifications & design without notice.
002
Safety Instructions
Safety Instructions
Prior to Installing your new Meitner Audio product please read the following safety
instructions:
• Read and follow all instructions.
• Keep these instructions.
• Do not use or install product near any sources of water, rain and/or moisture.
• Clean using only a dry cloth or microfiber towel.
• Install only in accordance with the manufacturer’s instructions.
• Refer all servicing to approved service personnel.
• Do not install near any heat sources such as radiators, heat registers, stoves, or
other apparatus (including amplifiers) that produce heat.
• Do not install product outdoors or in direct sunlight.
• Leave at least 10cm or 4 inches around product to ensure proper ventilation.
• Do not place product near strong electrical or magnetic
radiation/emissions or near a power amplifier.
• In products that have OLED displays, to prevent display burnout, please
engage screen saver function when leaving the product on all the time.
This Meitner product must be connected to a mains socket outlet with a protective
earthing connection (grounding pin).
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE
THIS APPARATUS TO WATER OR MOISTURE.
EEC: This product has been designed and tested to comply with the limits set out in
EN55013, EN55020 and EN 60065:2009 (electrical safety).
PRE Stereo Preamplifier Manual
meitner © 2023 Meitner Audio, All Rights Reserved. Meitner Audio reserves the right to amend specifications & design without notice.
003
Introduction
Introduction
Welcome and congratulations on purchasing a Meitner Audio product.
We at Meitner Audio have strived to build and perfect the absolute best
product using our award winning technology and decades of experience.
We are confident that our products will bring you musical enjoyment for
many years to come.
This manual provides important information regarding the use, installation
and care of your new Meitner Audio product.
PRE Stereo Preamplifier Manual
meitner © 2023 Meitner Audio, All Rights Reserved. Meitner Audio reserves the right to amend specifications & design without notice.
004
Table of Contents
Table of Contents
Safety Instructions page 02
Introduction page 03
Warranty page 05
PRE Stereo Preamplifier page 06
Features & Specifications page 07
Front Panel & Functions page 09
Rear Panel page 11
Connecting and Operating the PRE page 13
Volume Presets page 14
Infrared Remote Control page 15
Appendix (Remote Battery Change) page 16
Appendix (Bypass Settings) page 16
Appendix (DC Protection Circuit) page 16
PRE Stereo Preamplifier Manual
meitner © 2023 Meitner Audio, All Rights Reserved. Meitner Audio reserves the right to amend specifications & design without notice.
Warranty
Meitner Audio warrants the PRE product against defects in material and
workmanship under normal use and service for a period of time specified by
the product’s serial number from the date of first delivery to the owner. The
warranty time period is 3 years. Warranty is limited to the original owner and
is non-transferable.
Meitner Audio will pay for return shipping charges back to the owner when
the product is sent to Meitner Audio within the first 90 days after purchase
(US and Canada end-users only). Otherwise, owner will be responsible for all
shipping charges to and from Meitner Audio.
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.
shipping instructions before shipping any product to Meitner Audio.
Meitner Audio products are sold worldwide through authorized dealers with
restricted territories. Meitner Audio product purchased from non-authorized
dealers or from a dealer selling outside his/her authorized territory will
automatically void product warranty.
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Warranty PRE Stereo Pre-amplifier Manual
meitner © 2023 Meitner Audio, All Rights Reserved. Meitner Audio reserves the right to amend specifications & design without notice.
PRE Stereo Preamplifier
The Meitner PRE preamplifier is designed with Ed Meitner’s philosophy
that an analog preamp acts as the heart of every music system.
The Meitner PRE preamplifier upholds the Meitner legacy of being a
class-defining value proposition, with its surprising performance and even
more surprising price point.
The Meitner PRE Stereo Preamplifier features:
• 3 pairs of stereo analog inputs
• 2 pairs of stereo analog outputs
• Contactless switching
• Discrete signal paths
• Pure class-A power to drive cables and loads without degradation
• Proprietary software-driven analog volume control
• User-friendly control system featuring 3 volume presets per inputs
and balance control
• High-efficiency power supply for silent and eco-friendly operation
• DC protection circuit
• RS232 interface for system upgrades and remote commands
006 PRE Stereo Preamplifier Manual
meitner © 2023 Meitner Audio, All Rights Reserved. Meitner Audio reserves the right to amend specifications & design without notice.
PRE Stereo Preamplifier Manual
Features & Specifications
S/N ratio: Better than 116 dB at 4V RMS output (20kHz bandwidth)
THD: less than 0.004%
Frequency range: 0Hz-200kHz
Gain control range: 74dB
Maximum input level: +18 dBu (6.2V RMS)
Analog stereo inputs:
• 1 pair balanced (XLR)
Input impedance: 20kΩ
• 2 pairs single-ended (RCA)
Input impedance: 10kΩ
Analog stereo outputs:
• 1 pair balanced (XLR)
Output impedance: 150Ω
• 1 pair un-balanced (RCA)
Output impedance: 75Ω
System gain: +6dB
System upgrade and Remote via wired RS232 interface.
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Features & Specifications PRE Stereo Preamplifier Manual
meitner © 2023 Meitner Audio, All Rights Reserved. Meitner Audio reserves the right to amend specifications & design without notice.
008
Features & Specifications
Features & Specifications
Power supply:
• Power factor corrected
• Universal 90V-260V, 50/60Hz operation
• Power consumption: max. 50W
• CE Approved
Dimensions: W x D x H: 435 x 400 x 92mm / 17.13 x 15.75 x 3.62in
Weight: 7.43kg / 16.39lbs net (with remote control)
PRE Stereo Preamplifier Manual
meitner © 2023 Meitner Audio, All Rights Reserved. Meitner Audio reserves the right to amend specifications & design without notice.
Mute (top) touch button
Input (bottom) touch button
Front Panel & Functions
1. Mute (top) touch button, toggles the MUTE function.
2. Input (bottom) touch button, cycles between available analog inputs.
3. Display shows volume and mute settings. The display also shows the presets saved
for that input. Eg. as shown above, volume preset A and C are assigned for the XLR
input. Volume is set to preset A (character is lit) while preset C is available but not
selected (dimmed). Preset B has not been assigned, hence the empty preset setting.
4. Volume control knob.
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Front Panel & Functions PRE Stereo Preamplifier Manual
meitner © 2023 Meitner Audio, All Rights Reserved. Meitner Audio reserves the right to amend specifications & design without notice.
42.0
XLR
VOL
Preset AC
Volume Units
EXIT
TOGGLE
VOLUME Units
Decibels
Front Panel & Functions
4. Access the PRE’s function screen by pressing and holding the Mute (top) touch
button from the main screen. The PREs function page contains settings for the
Balance, Screen Saver, Reset Settings menus, as well as the EXIT function. Use the
right arrow (bottom) touch button to select a menu, then press the OK (top) touch
button to access the menu or function.
5. Balance option menu (Remote BAL button) allows the end user to change the
audio balance between the left and right channels. In the balance menu page use
the volume knob or the left (<) and right (>) balance buttons on the remote to
adjust the audio balance. Pressing the OK touch button, or the BAL button on the
remote saves the setting, while pressing the bottom touch button, or the B button
on the remote, re-centers the balance. Pressing the A button on the remote sets
the balance completely to the left channel, and pressing the C button sets the
audio balance completely to the right channel.
6. Screen Saver option menu enables or disables the screen saver. Toggle the
setting using the CHANGE (bottom) touch button. The screen saver engages after
2 minutes of inactivity. It dims the screen for 3 seconds before turning the screen
off. Engaging the remote buttons, touch buttons or volume knob, turns the screen
back on. It is disabled when the display brightness is set to off. Enable
screensaver function to prevent OLED display burn in.
7. Reset Settings menu allows the user to reset the PRE back to its factory defaults.
8. EXIT, exits out from the PREs function page, back to main display.
9. To display the Firmware version loaded on your PRE, from the main screen, press
and hold the input touch (bottom) button.
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Front Panel & Functions PRE Stereo Preamplifier Manual
meitner © 2023 Meitner Audio, All Rights Reserved. Meitner Audio reserves the right to amend specifications & design without notice.
Firmware
Product Firmware
1.08
Meitner Audio
Screen Saver
EXIT
CHANGE
Screen Saver
Enabled
Balance
| | | | | | | | | | | | | | |
RCA1 Balance
CENTER
OK
PRE Function Screen
BALANCE SCREEN
SAVER
RESET
SETTINGS
OK EXIT
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