Boulder 1012 DAC Preamplifier User manual
Boulder
1012 DAC Preamplifier
Owners Manual
10/27/03
Boulder Amplifiers, Inc.
3235 Prairie Ave.
Boulder, CO 80301
www.boulderamp.com
APPENDIX RECORDING
BOULDER
LINK
PROGRAMMING
REMOTE
CONTROL OPERATION
GETTING
STARTED
Boulder 1012 DAC Preamplifier Rear Panel
TABLE OF CONTENTS
GETTING STARTED
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Quick Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Placement of the 1012 DAC Preamplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Connecting to the Mains Outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Connecting a Digital Source. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Polarity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Connecting a Balanced Analog Source. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Connecting an Unbalanced Analog Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Connecting a Turntable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Connecting to a Balanced Input Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
Connecting to an Unbalanced Input Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
Setting the Boulderlink Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
OPERATION
Powering Up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Input Selections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Volume. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Balance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Mute. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
APPENDIX RECORDING
BOULDER
LINK
PROGRAMMING
REMOTE
CONTROL OPERATION
GETTING
STARTED
REMOTE CONTROL
Batteries. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Source Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Volume, Balance and Mute. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Polarity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
PROGRAMMING
Input Names. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Input Polarity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Theater Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Input Level Calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Input Balance Calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Main Outputs Polarity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Boulderlink ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Remote ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Master Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
BOULDERLINK
Connecting the Boulderlink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Setting Boulderlink Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Setting Boulderlink ID Numbers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Power up via Boulderlink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Boulderlink Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
APPENDIX RECORDING
BOULDER
LINK
PROGRAMMING
REMOTE
CONTROL OPERATION
GETTING
STARTED
RECORDING
Connecting a Recording Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
APPENDIX
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4
Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5
APPENDIX RECORDING
BOULDER
LINK
PROGRAMMING
REMOTE
CONTROL OPERATION
GETTING
STARTED
GETTING STARTED
INTRODUCTION
Congratulations on your selection of the Boulder 1012 DAC
Preamplifier. We at Boulder Amplifiers are certain it will provide years
of listening pleasure.
QUICK START
To get started listening, you only need to connect the 1012 as
you would any other preamplifier, but you should take note of the
following.
WARNING: The polished volume control is attractive and because it
is optical and has no stops, it is really tempting to just spin it around. DO
THIS ONLY WITH THE POWER OFF! It must be given the respect you
would any other volume control with its ability to get loud very quickly.
By the time you have turned it up to -40.0 dB with a source turned on,
you should be hearing some music. If not, don’t proceed any louder until
you have solved the problem. See trouble shooting section.
For the 1012 to work properly, the Boulderlink’s MASTER/SLAVE
switch should be set to MASTER.
A thorough reading of this manual will definitely enhance your
enjoyment of your 1012 DAC Preamplifier.
GETTING
STARTED
1-1
PLACEMENT OF THE 1012 DAC PREAMPLIFIER
Your Boulder 1012 DAC Preamplifier is designed to reduce the
effects that external magnetic and radio fields (RF) have on its internal
circuitry. While placement is not critical, known magnetic fields should
be avoided. Line of sight from the listening position is necessary for the
remote control to function properly.
Because the preamplifier is heavy, a solid, stable surface should be
used. As it will generate some heat, there should be good air circulation
around it. In particular, make certain that the power supply heat sink
fins on the rear of the chassis are not blocked.
You may want to have some access to the rear panels for cable
changes.
GETTING
STARTED
1-2
CONNECTING TO THE MAINS OUTLET
Your 1012 DAC Preamplifier is supplied with a mains cord suitable
to the location where it was purchased.
A label showing the exact voltage and frequency range is located
on the rear panel. Make certain that the mains voltage used is with in
the specifications shown. Also listed are the fuse ratings. There are two
fuse holders on the rear of the 1012 which are for each of the digital and
analog power transformers.
Use only specified fuses. Check with qualified service person first.
GETTING
STARTED
1-3
CONNECTING A DIGITAL SOURCE
There are four digital inputs to the DSP and D/A Converter section
of the 1012. Three inputs are the AES/EBU style. Because of the balanced
nature of these connections, it is the preferred method of connection and
should be used whenever available.
With the 1012, one DABL digital adapter is supplied and may be
plugged into any one of these inputs thus converting it to RCA phono
style SPDIF. Additional adapters are available if more than one input
needs conversion.
WARNING: In order to maintain proper impedance and level
matching, it is important to always use the DABL adapter when coming
from an unbalanced RCA phono style digital source. Do not use a
Boulder ABL analog adapter for this purpose.
The fourth connector normally supplied is toslink optical.
For possible future connections, consult your Boulder dealer.
GETTING
STARTED
1-4
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