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AMS Neve 1081 User Manual

AMS Neve 1081
27 pages
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AMS
NEVE
1081
Channel
Amplifier
Technical Manual
©
1 999
AMS Neve pic
own the
copyright of all
information
and
drawings contained in
this
manual
which
are
not to be copied or reproduced by
any
means
or
disclosed
in part
or
whole to any
third
party
without
written
permission.
As
part of
our policy of continual product
improvement,
we
reserve
the right
to alter
specifications
without
Disclaimer:
The
information
in this
manual
has been
carefully
checked
and
is
believed
to
be
accurate at the
time
of
publication.
However,
no
responsibilty is
taken by
us
for
inaccuracies,
errors
or
omissions nor is
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liability
assumed
for
any loss
or damage resulting
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HEAD OFFICE
AMS NEVE PLC
BILLINGTON ROAD
BURNLEY
LANCS BBI I SUB
ENGLAND
TELEPHONE:
+44(0)
1282
4S70II
FAX:
+44
(0)
1282 417282
LONDON OFFICE
TELEPHONE: +44
(0)
171 916 2828
FAX: +44
(0)
171
916 2827
NORTH AMERICAN
OFFICES
AMS
NEVE INC..
NEW
YORK
TEL:
+1
(212)965
1400
FAX:
+1
(212)965
3739
AMS
NEVE
INC..
HOLLYWOOD
TEL:
+1
(818)
753
8789
FAX
+1
(818)
623
4839
RUPERT
NEVE CANADA INC..
TORONTO
TEL:
+ I
(416)
365 3363
FAX + I
(416)
365
1044
e-mail:
enquiry@ams-neve.com
http://www.ams-neve.com
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AMS Neve 1081 Specifications

General IconGeneral
Output Impedance75 Ω
Maximum Output Level+26 dBu
Frequency Response10 Hz to 50 kHz
Input Impedance1.2kΩ (mic), 10kΩ (line)
Power SupplyExternal PSU
THD+N<0.1%
EQ Type4-band
High Frequency EQ+16 dB to -16 dB at 12 kHz
Notch FilterYes
Noise-90dBu (unweighted)
High Mid Frequency EQ±15 dB at 3 kHz to 6 kHz
Low Mid Frequency EQ80Hz - 1.2kHz, ±15dB

Summary

Product Overview

Component Location Diagram

Diagram showing the physical placement of components on the module.

General Description

Overview of the 1081 Channel Amplifier's purpose and key features.

Front Panel Layout

Detailed view and labeling of the amplifier's front panel controls and indicators.

Channel Controls

HI/LO Microphone Input

Toggle switch for selecting microphone input impedance levels.

Fader Preset Equalisation

Preset potentiometer for fine-tuning equalization calibration between channels.

Treble Switch Assembly

Dual concentric control for high-frequency roll-off and response shaping.

Presence Switch Assembly

Controls for adjusting presence frequencies and damping characteristics.

Bass Boost/Cut

Control for adjusting low-frequency response with peak/shelf options.

HP/LP Filter

Switch for selecting high-pass and low-pass filter roll-off points.

Equalisation, Solo, and Tone Controls

Controls for EQ bypass, Solo function, and Tone activation.

Switch Assembly Diagrams

Sensitivity Switch Assembly

Detailed diagram and wiring for the sensitivity adjustment switch.

Treble Switch Assembly

Detailed diagram of the treble frequency selection and boost/cut switch.

Presence Switch Assembly

Detailed diagram for the presence frequency adjustment switches.

Filter Switch Assembly

Detailed diagram for the HP/LP filter selection switch.

Bass Switch Assembly

Detailed diagram for the bass frequency selection and boost/cut switch.

Circuitry and Assemblies

Motherboard Assembly

Wiring diagram and connections for the main motherboard.

Printed Circuit Board Assemblies

Reference to specific PCB assemblies used in the unit.

BA306 Dual Voltage Follower

Circuit and layout for the BA306 dual voltage follower module.

BA338 Plug In Amp

Circuit and layout for the BA338 plug-in amplifier module.

BA340 Output Amplifier

Circuit and layout for the BA340 output amplifier module.

BA451/1 EQ Relay/Flip Flop

Circuit and layout for the BA451/1 EQ relay/flip flop module.

Block Diagram

High-level functional block representation of the amplifier system.

Main Circuit Diagram

Detailed schematic of the primary amplifier circuitry (EX 10312).