Audient ASP880 User Manual
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USER MANUAL v1.3
www.audient.com
Welcome & Thank You
ASP880 | Contents
Thank you for purchasing
this audient product!
ASP880 can be seen as the natural
progression of our classic ASP008
eight channel microphone preamplifier.
Using the same proven discrete class-a
8-transistor input stage with extended
bandwidth and a noise floor close to the
theoretical Johnson noise limit, ASP880
provides a world-class recording front end
in a convenient 1RU package.
The microphone preamplifier has been
refined over 15 years by design legend
David Dearden and is the same tried &
tested topology as featured in our consoles
and recording interfaces (iD22, ASP8024,
ASP4816).
Features include:
• 8 x superb class-a mic preamplifiers & 2
x discrete JFET instrument inputs
• Clean & stable P48 phantom power
• 60dB of clean gain with -10dB pads on
channels 1 & 2 for kick, snare etc
• Polarity reverse to enable phase
coherent recording across all tracks
• Variable input impedance providing a
“triangle-of-tone”. Lo, med and hi settings
allow you to voice your mic collection at
the flip of a switch!
Box Contents 1
ASP880 Overview 3
Safety Information 5
Declaration of Conformities 7
Hardware Features: 9
Microphone & Line Inputs 9
Instrument Inputs 10
Gain & Setting Levels 11
Input Signal Conditioning 12
Sweepable High Pass Filter 12
Variable Input Impedance 13
Analogue Line Outputs 15
Direct ADC Access & Inserts 15
AES Output 16
ADAT SMUX Output 16
Clocking - Setup and Wiring 17
ASP880 Block Diagram 19
However we did not stop there with ASP880
- after months of refinement and an entirely
new PSU design, we have been able to lower
the noise floor in the unit and have reduced
the 50Hz mains component to vanishingly
low levels and the unit is completely silent
(fanless operation) - impressive!
On top of this we have used the cutting edge
top-of-the-line Burr-Brown converters from
our iD22 interface to heavily upgrade the
digital card which now comes as standard!
The unit is built like a tank and now features
our custom, solid aluminium control knobs
which feel great and provide excellent visual
feedback. ASP880 will last for years to come!
• Super smooth 12dB/octave sweepable
high pass filter (25 to 250Hz) to clean
up low end rumble and mess!
• New A-D insert switch provides line
level direct access to converters for
integrating outboard processing
between the mic pres and ADC
• Integrated Burr-Brown 115dB ADC with
AES and SMUX ADAT outputs
• Integrated fanless, low noise PSU with
global operation
Troubleshooting 20
FAQ 21
Specifications 22
Dimensions 23
Warranty & Contact 24
Service 25
Glossary 26
Introduction
Contents
In your ASP880 packaging you should find
NOTES: ____________________
the following items:
• ASP880
• Mains IEC Cable (in rear protection tube)
• Quick Start Guide
Please visit:
www.audient.com/products/asp880/
downloads to get the latest version of the
quick start guide and this manual. Watch/
listen to our example video content and grab
Box Contents
useful things like a session recall sheet etc.
SESSION: ____________________ ARTIST: ____________________________
TITLE: ____________________ DATE: __________ TIME: __________
A
SOURCE:
MIC:
INSERT:
RECORDER
INPUT:
B
SOURCE:
MIC:
INSERT:
RECORDER
INPUT:
C
SOURCE:
MIC:
INSERT:
RECORDER
INPUT:
___________________________
___________________________
___________________________
___________________________
___________________________
SAMPLE RATE:
CLOCK SOURCE:
SAMPLE RATE:
CLOCK SOURCE:
SAMPLE RATE:
CLOCK SOURCE:
The integrated power supply in ASP880 will
accept line voltages from 90 - 264V and
can operate anywhere in the world without
re-configuration - just use the appropriate
mains IEC cable.
We hope that you enjoy using ASP880
wherever you are and may it aid you in
making great sounding music!
21
ASP880 Overview
48V PHANTOM POWER
Stable regulated supply for your mics
DISCRETE JFET D.I INPUT
Sounds fantastic on guitars & basses!
-10dB PAD
Preserve your headroom
on kick & snare drums
VARIABLE INPUT IMPEDANCE
Triangle of tone for your mics!
220,1200or2800Ω
POLARITY REVERSE
so you can be sure everything is in-phase
and as full sounding as possible
60dB of CLASS-A GAIN
Clean, quiet & punchy!
ADC DIRECT ACCESS / INSERT
Insert analogue gear between mic pre and ADC
or use ASP880 as a standalone line level ADC
SWEEPABLE HPF
Bypassable, smooth 12dB/oct variable
from 25 to 250Hz - clean up rumble and mud
SIGNAL / PEAK METERS
+18dBu = 0dBFS Clip Indicators
PEAK = -2dBFS
SIG = -28dBFS
Sample rate switch = green when using
external clock source, toggle through internal
at 4 sample rates and then external sync
SOLID ALUMINIUM KNOBS
TIP* roll them smoothly between
your fingers for easy operation
SAMPLE RATE INDICATORS
POWER ON INDICATOR
MAINS SAFETY FUSE
T1A Time Delay
(replace with same type)
MAINS IEC INPUT
90-264Va.c Operation
anywhere in the world!
BNC WORDCLOCK INPUT
Hi-Zor75ΩTermination
available on rear panel switch
AES or S/PDIF OUTPUT
9-Pin DSUB - format selected
with rear panel push switch
DB25 ANALOGUE OUTPUTS
Use to feed the mic preamps into
outboard for processing
ADAT SMUX OUTPUT
Top port 8 channels <48kHz
Both ports 4 channels split >48kHz
DB25 ADC INPUTS
Line level input direct to ADC to use as
standalone A-D converter, or return
outboard here to form an insert point
(pressing the front panel A-D switch)
XLR MIC / TRS LINE INPUTS
Line inputs are available on combi jacks
(padded into the mic pre) and have access
to all input functions (except P48)
43
Safety Information
Safety Instructions
Important Safety Instructions
Please read all of these instructions and save them for later reference before connecting
the mains IEC power cable and powering up ASP880. To prevent electrical shock and fire
hazard follow all instructions on the rear of the ASP880.
ASP880 does not contain any user serviceable parts inside the internal power supply and in
the event of a power supply failure, please contact
suitable service.
www.audient.com/support
audient support so that we can arrange
Important Safety Instructions
1. Read these instructions
2. Keep these instructions
3. Heed all warnings
4. Follow all instructions
5. Do not use this equipment near water
6. Clean only with dry cloth
7. Do not block any ventilation openings. Install in accordance with the manufacturer’s
instructions
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other
equipment (including amplifiers) that produce heat
9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized
plug has two blades with one wider than the other. A grounding type plug has two
blades and a third grounding prong. The wide blade or the third prong are provided for
A 1RU ventilation space above the unit is recommended and it is not advised to run the unit
in a rack above hot units such as valve outboard and multichannel AD/DA converters
without suitable ventilation space around the unit.
The internal switch-mode power supply design will accept any A.C line voltage from
90v to 264v @ 47-63Hz. Therefore the unit will work happily anywhere in the world but
please ensure your A.C mains line voltage is within this specification and you use an
appropriate cable for the region. Consult a qualified technician if you suspect difficulties.
Do not attempt to tamper with the power supply or mains voltages - HAZARDOUS TO HEALTH.
! WARNING !
TO REDUCE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO
RAIN OR MOISTURE.
your safety. If the provided plug does not fit into your outlet, consult an electrician for
replacement of the obsolete outlet
10. Protect power cords from being walked on or pinched particularly at plugs,
convenience receptacles, and the point where they exit from the equipment
11. Only use attachments/accessories specified by the manufacturer
12. For products that are not rack-mountable: Use only with a cart, stand, tripod, bracket,
or table specified by the manufacturer, or sold with the equipment. When a cart is
used, use caution when moving the cart/equipment combination to avoid injury from
tip-over
13. Unplug this equipment during lightning storms or when unused for long periods of time
14. Refer all servicing to qualified service personnel. Servicing is required when the
equipment has been damaged in any way, such as power-supply cord or plug is
damaged, liquid has been spilled or objects have fallen into the equipment, the
equipment has been exposed to rain or moisture, does not operate normally,
or has been dropped
NO USER SERVICEABLE PARTS INSIDE.
PLEASE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
15. For products that are a mains powered device: The equipment shall not be exposed
to dripping or splashing and no objects filled with liquids (such as vases) shall be
placed on the equipment
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