Sound Audio Dynamics Toolbox Manual de usuario
Dynamics Toolbox Processor User Manual Safe Sound Audio
Dynamics Toolbox
Audio Processor
User Manual
Safe Sound Audio, UK
Dynamics Toolbox Processor User Manual Page 2
Dynamics Toolbox Features
Compressor
Two great stereo lin able compressors in one pac age PLUS a
choice of ‘pea ride’ or ‘dynamic trac ing’ compression, so a
fantastic range of compression for trac ing and mixing.
Includes the fabled ‘New Yor ’ parallel compression - very rare in a
stereo lin able compressor. Allows an infinite blend of
compressed and uncompressed material.
Flexible sidechain
Built in sidechain filters to add lo end punch or hi end spar le plus
full insert access to the sidechain path so you can add an
additional external processor.
Fully stereo linkable
Control all compression and limiting functions in stereo lin mode
from one set of controls (channel 1 is the master when lin ed).
Limiter
New user adjustable threshold limiter for ultimate protection and
great as a dynamic effect when used with the ‘New Yor ’ blender.
Output stage
Superhigh +27dBu output level feeding both electronic balanced
outputs and a plug-in range of output transformers : so now you
can choose your favourite Lundahl, Sowter, enson or Cinemag
transformers.
Calibrated output gains pots with centre detent line-up position.
100% linear internal mains power supply (throw away those wall
warts for good!)
Dynamics Toolbox Processor User Manual Page 3
Contents Page
Dynamics Toolbox Features 2
Safety Information; READ THIS FIRST 4
Quic Start Guide 6
Fitting the optional transformer cards 9
Changing the mains operating voltage 12
Audio Connector wiring information 15
Detailed Operational Guide 17
Power on 17
Typical audio connections 18
Operating levels 19
Using the unit in stereo lin mode 20
The compressor 20
Accessing the compressor’s side-chain 25
‘New Yor ’ parallel blend compression 26
The limiter 28
Peakride compressor design theory 29
Dynamic Tracking compressor design theory 31
Limiter design theory 33
Answers to some common questions 37
Technical Specification 38
Fault finding 41
Customer Care 43
Warranty conditions 43
How to contact us 45
Dynamics Toolbox Processor User Manual Page 4
Important Safety Information : Read this first!
There are dangerous voltages present within the unit. Do not
open the unit when powered and refer all servicing to qualified
service personnel.
The lightning flash with arrowhead symbol,
within an equilateral triangle, is intended to
alert the user to dangerous voltages within
the unit.
The exclamation point within an equilateral
triangle is intended to alert the user to
important operating and safety instructions
in this user handboo .
Dynamics Toolbox Processor User Manual Page 5
This unit must be earthed.
This unit should only be connected to a
mains supply of the type mar ed on the
rear of the appliance. Ta e special note of
the required mains voltage.
The IEC mains connecting lead originally
supplied with this unit has been fitted with a
3A mains fuse. Always replace with a fuse
of the same rating. (UK plugs only)
This unit is fitted with an externally
accessible fuse. Always replace with a
fuse of the same type and rating. The fuse
type and rating are shown on the rear of
the unit just below the fuse receptacle.
Always disconnect the unit from the mains
supply before replacing this fuse.
Optional transformer cards may be fitted to
this unit. Ensure that fitting instructions are
closely followed and if in doubt always have
the fitting done by a qualified technician.
The operating mains voltage may be
selected inside the unit. Ensure that the
selection instructions are closely followed
and if in doubt always have this done by a
qualified technician.
Dynamics Toolbox Processor User Manual Page 6
Quick Start Guide
After reading the important safety information, you may wish to ‘plug
and go’. If, at any time, you are in doubt as to the correct operation
of the unit, all operational points are covered in detail later in this
manual, but as a quic start;
Dynamics Toolbox Schematic
Dynamics Toolbox Processor User Manual Page 7
BASIC FUNCTIONS
The Dynamics Toolbox is a two channel audio compressor/limiter
which can be lin ed for stereo operation or each channel can be run
completely independently with separate compression modes, parallel
compression blends, sidechain EQ and limiting for maximum
versatility.
POWERING
AC Mains powered via a standard IEC mains connector, internally
switchable to either 115V or 230/240V operation. Ma e sure you
connect to the correct mains voltage as shown on the rear panel
label.
AUDIO CONNECTIONS
All audio inputs and outputs are balanced but may be connected to
unbalanced equipment if required. The ¼” jac connector wiring
follows normal audio convention. Details are given later in this
manual.
COMPRESSOR
A sophisticated compressor with a choice of two compressor types;
Peakride multi side-chain compressor with variable threshold, attac
and ratio. ‘Follow-audio’ auto release time.
Dynamic Tracking compressor with variable threshold, attac ,
release (with auto release option) and ratio.
Both compressor types have 0 to +20db of ma e up gain available.
COMPRESSOR SIDE CHAIN
Full access sidechain with sweepable hi and lo pass filters, balanced
insert point and ‘listen to sidechain’ function.
Dynamics Toolbox Processor User Manual Page 8
LIMITER
Variable threshold fast limiter. Uses a separate side-chain to the
compressor and so is unaffected by changes to the sidechain filters
ensuring protection from overloads.
NEW ORK BLEND FUNCTION
‘New Yor Compression’ became a trade mar sound of many New
Yor based mixing engineers and uses a form of parallel
compression which mixes in a small amount of very heavily
compressed stereo submix (usually drums or rhythm guitars) bac
into the main uncompressed mix. The beauty of this technique is
that since you have full control of the blend between compressed
and uncompressed submix strands, you retain the timbre and
dynamics of the original submix whilst adding gritty texture via the
heavily compressed element.
STEREO LINK FUNCTION
Lin s channel 1 and channel 2 for stereo operation. All functions are
controlled from channel 1 with the exception of the metering, output
gain and sidechain ‘listen’.
BPASS FUNCTION
Relay switched bypass function which also provides auto-bypass
when the mains power to the unit is switched off.
VU METERING
Switchable pre and post the output gain control and to gain
reduction. 0VU line up level may be switched to either +6dBu or
+18dBu.
Dynamics Toolbox Processor User Manual Page 9
Fitting the optional output transformer cards
There are dangerous voltages present
within the unit. Do not open the unit when
powered and ensure that the transformer
cards are fitted by a technically competent
person. If in any doubt contact Safe Sound
Audio for further advice.
Please follow these instructions carefully.
With the AC power lead disconnected, place the Dynamics
Toolbox on a flat well lit wor bench.
Remove the six posi-head screws from the top cover panel and
carefully lift the top panel away from the unit. NOTE that the top
panel has a safety earth cable connection. Rotate the top panel and
lay beside the unit.
Dynamics Toolbox Processor User Manual Page 10
Chec that the connector pins of the transformer cards are straight
and undamaged. Insert each transformer card into the
corresponding soc ets in the unit’s main motherboard ta ing great
care to correctly align the six pins on each transformer connector
with the corresponding pins in the motherboard soc ets.
Correct positions of connector pins just before pushing the
transformer card down into its final position
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