AVALON VT-747 SP TWIN SIGNAL PATH OPTO-COMPRESSOR-EQUALIZER

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Διαθεσιμότητα: Καταργήθηκε Καταργήθηκε Κωδικός προϊόντος: VT-747SP Κατηγορία:
The Avalon VT-747SP combines a creative STEREO tube-discrete Class A spectral-opto-compressor with a musical six band program equalizer, L-R output level and gain reduction metering and internal regulated power supplies in a 2U space. Ideal for high performance DAW input signal conditioning, stereo buss compression-EQ, stereo keyboards and analog mastering applications. SPECTRAL-OPTO-COMPRESSIONThe opto-compressor features a […]

 

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The Avalon VT-747SP combines a creative STEREO tube-discrete Class A
spectral-opto-compressor with a musical six band program equalizer, L-R
output level and gain reduction metering and internal regulated power supplies
in a 2U space. Ideal for high performance DAW input signal conditioning, stereo
buss compression-EQ, stereo keyboards and analog mastering applications.

SPECTRAL-OPTO-COMPRESSION
The opto-compressor features a minimum signal path design utilizing sealed
silver relays for all signal routing and by pass functions. The optical attenuator
acts as a passive level controller with a Class A, variable gain make-up amplifier.
Full dynamic control from soft compression to hard-knee limiting can be achieved
with master threshold, ratio-compression, attack and release controls. Gain
reduction indication is a large analog VU meter. Low frequency and high frequency
contour parametric spectral controls can be routed into the side-chain path for
enhanced frequency dependent compression with variable frequency and threshold
levels. SC listen provides side-chain listen mode for monitoring.
SIX BAND PROGRAM EQUALIZER
The VT-747SP equalizer utilizes 100% discrete, Class A high-voltage transistors
for optimum sonic performance. The six band STEREO program EQ incorporates
the smooth characteristics of an all passive design. The frequency turnover, Q
and amplitude ranges have been carefully chosen for each band to provide the most
natural harmonic balance and lowest phase change while offering simple and
effective tone control. The EQ can be placed pre or post the opto-compressor for
enhanced effects.
TSP – TWIN SIGNAL PATH
The VT-747SP features TSP which gives you the choice of either tube tone
or the classic, Class A discrete transistor sound by exchanging, three (3)
high-voltage dual triode tubes with discrete amplifiers in the opto-compressor
and primary output stages.
INPUT-OUTPUT and METERING
Fully balanced DC coupled, Class A discrete amplifiers are utilized for the
input and output drive interface with+36dB input headroom. A high quality
analog VU meter indicates accurate gain reduction. Twin 60dB range LED
meters provide fast L-R output status of all levels.

VT-747SP FEATURES 
Stereo Class A opto-compressor with spectral control
Stereo Class A six band discrete passive program EQ
TSP twin signal path, vacuum tube bypass
Low noise -92dB
Fully balanced Class A input and DC coupled outputs
Stereo dynamic 60dB high resolution output meters
High quality analog VU meter for gain reduction
High headroom+36dB input before overload
Spectral side-chain monitor for pre listen
EQ pre-post selection for opto-compressor
Sealed silver relays for all signal routing
Internal discrete regulated power supplies
Military spec vacuum tubes for long life and low noise
 
VT-747SP SPECIFICATIONS
Circuit topology Three (3) dual triode vacuum tubes (Sovtek 6922),
high-voltage discrete Class A mode.
Input gain range Balanced, Class A, 20k ohms, -20dB to +16dB with
high gain switch
Maximum input level +36dB balanced XLR pin 2 hot
Maximum output level +30dB balanced 600 ohms, DC coupled, discrete
Class A 
Output type XLR connector, output trim gain -45dB to +6dB
Noise 20kHz unweighted -92dB
Distortion THD, IMD 0.5%
Frequency response -3dB 1Hz to 200kHz
Gain reduction meter High quality, illuminated gain reduction meter 0dB
to -20dB range 
Output meter Twin 20 segment LED VU meters with -27dB to +30dB range
Compressor type Optical passive attenuator
Make-up gain Variable 0dB to +10dB stereo tracking 
Threshold – Ratio Threshold variable -30dB to +20dB, ratio-compression
variable 1:1 to 20:1
Attack – Release Attack variable 2mS to 200mS, release variable 100mS
to 5 seconds
Side-chain spectral contour Variable threshold -15dB to +15dB, frequency
70Hz to 9kHz twin ranges
Equalizer type Discrete Class A, passive design optimized for full range
program material
Frequency bands (6) Variable amplitude LF +/-24dB 15Hz shelf response
Variable amplitude MF1 +/-8dB 125Hz selected Q response
Variable amplitude MF2 +/-4dB 500Hz selected Q response
Variable amplitude MF3 +/-4dB 2kHz selected Q response
Variable amplitude MF4 +/-10dB 5kHz shelf response
Variable amplitude HF +/-20dB 32kHz shelf response
AC power Internal toroidal 100v to 240v, 50-60Hz selectable, 70 watts
maximum
Dimensions 19 x 12 x 3.5 in (482 x 305 x 89mm)
Weight 22lbs (10kg)
Dimensions-shipping carton  21 x 18 x 8 in (533 x 457 x 203mm)
Weight-packed 26lbs (11.8kg)

Βάρος 11.80 kg

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AVALON VT-747 SP TWIN SIGNAL PATH OPTO-COMPRESSOR-EQUALIZER removeBEHRINGER FBQ1000 FEEDBACK DESTROYER removeShure DP11EQE Ψηφιακός επεξεργαστής σήματο με Gate, Expander removeAVALON AD2055 DUAL MONO PURE CLASSA PARAMETRIC MUSIC EQUALIZER removeDBX 1074 NOISE GATE QUAD removeDBX 1046 COMPRESSOR/LIMITER 4 ΕΙΣΟΔΩΝ remove
NameAVALON VT-747 SP TWIN SIGNAL PATH OPTO-COMPRESSOR-EQUALIZER removeBEHRINGER FBQ1000 FEEDBACK DESTROYER removeShure DP11EQE Ψηφιακός επεξεργαστής σήματο με Gate, Expander removeAVALON AD2055 DUAL MONO PURE CLASSA PARAMETRIC MUSIC EQUALIZER removeDBX 1074 NOISE GATE QUAD removeDBX 1046 COMPRESSOR/LIMITER 4 ΕΙΣΟΔΩΝ remove
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SKUVT-747SPE005281DP11EQEAD2055DBX 1074DBX 1046
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Description
Content

The Avalon VT-747SP combines a creative STEREO tube-discrete Class A
spectral-opto-compressor with a musical six band program equalizer, L-R
output level and gain reduction metering and internal regulated power supplies
in a 2U space. Ideal for high performance DAW input signal conditioning, stereo
buss compression-EQ, stereo keyboards and analog mastering applications.

SPECTRAL-OPTO-COMPRESSION
The opto-compressor features a minimum signal path design utilizing sealed
silver relays for all signal routing and by pass functions. The optical attenuator
acts as a passive level controller with a Class A, variable gain make-up amplifier.
Full dynamic control from soft compression to hard-knee limiting can be achieved
with master threshold, ratio-compression, attack and release controls. Gain
reduction indication is a large analog VU meter. Low frequency and high frequency
contour parametric spectral controls can be routed into the side-chain path for
enhanced frequency dependent compression with variable frequency and threshold
levels. SC listen provides side-chain listen mode for monitoring.
SIX BAND PROGRAM EQUALIZER
The VT-747SP equalizer utilizes 100% discrete, Class A high-voltage transistors
for optimum sonic performance. The six band STEREO program EQ incorporates
the smooth characteristics of an all passive design. The frequency turnover, Q
and amplitude ranges have been carefully chosen for each band to provide the most
natural harmonic balance and lowest phase change while offering simple and
effective tone control. The EQ can be placed pre or post the opto-compressor for
enhanced effects.
TSP - TWIN SIGNAL PATH
The VT-747SP features TSP which gives you the choice of either tube tone
or the classic, Class A discrete transistor sound by exchanging, three (3)
high-voltage dual triode tubes with discrete amplifiers in the opto-compressor
and primary output stages.
INPUT-OUTPUT and METERING
Fully balanced DC coupled, Class A discrete amplifiers are utilized for the
input and output drive interface with+36dB input headroom. A high quality
analog VU meter indicates accurate gain reduction. Twin 60dB range LED
meters provide fast L-R output status of all levels.

VT-747SP FEATURES 
Stereo Class A opto-compressor with spectral control
Stereo Class A six band discrete passive program EQ
TSP twin signal path, vacuum tube bypass
Low noise -92dB
Fully balanced Class A input and DC coupled outputs
Stereo dynamic 60dB high resolution output meters
High quality analog VU meter for gain reduction
High headroom+36dB input before overload
Spectral side-chain monitor for pre listen
EQ pre-post selection for opto-compressor
Sealed silver relays for all signal routing
Internal discrete regulated power supplies
Military spec vacuum tubes for long life and low noise
 
VT-747SP SPECIFICATIONS
Circuit topology Three (3) dual triode vacuum tubes (Sovtek 6922),
high-voltage discrete Class A mode.
Input gain range Balanced, Class A, 20k ohms, -20dB to +16dB with
high gain switch
Maximum input level +36dB balanced XLR pin 2 hot
Maximum output level +30dB balanced 600 ohms, DC coupled, discrete
Class A 
Output type XLR connector, output trim gain -45dB to +6dB
Noise 20kHz unweighted -92dB
Distortion THD, IMD 0.5%
Frequency response -3dB 1Hz to 200kHz
Gain reduction meter High quality, illuminated gain reduction meter 0dB
to -20dB range 
Output meter Twin 20 segment LED VU meters with -27dB to +30dB range
Compressor type Optical passive attenuator
Make-up gain Variable 0dB to +10dB stereo tracking 
Threshold - Ratio Threshold variable -30dB to +20dB, ratio-compression
variable 1:1 to 20:1
Attack - Release Attack variable 2mS to 200mS, release variable 100mS
to 5 seconds
Side-chain spectral contour Variable threshold -15dB to +15dB, frequency
70Hz to 9kHz twin ranges
Equalizer type Discrete Class A, passive design optimized for full range
program material
Frequency bands (6) Variable amplitude LF +/-24dB 15Hz shelf response
Variable amplitude MF1 +/-8dB 125Hz selected Q response
Variable amplitude MF2 +/-4dB 500Hz selected Q response
Variable amplitude MF3 +/-4dB 2kHz selected Q response
Variable amplitude MF4 +/-10dB 5kHz shelf response
Variable amplitude HF +/-20dB 32kHz shelf response
AC power Internal toroidal 100v to 240v, 50-60Hz selectable, 70 watts
maximum
Dimensions 19 x 12 x 3.5 in (482 x 305 x 89mm)
Weight 22lbs (10kg)
Dimensions-shipping carton  21 x 18 x 8 in (533 x 457 x 203mm)
Weight-packed 26lbs (11.8kg)

Χαρακτηριστικά:

    Στερεοφωνικό αυτόματο feedback destroyer (σύστημα κατά των μικροφωνισμών), παραμετρικό ψηφιακό     equalizer και 24 φίλτρα FBQ
    Αυτόματα ανιχνεύει και εξουδετερώνει μικροφωνισμούς σε 24 συχνότητες
    Ultra-narrow FBQ φίλτρα για αποτελεσματική εξουδετέρωση των μικροφωνισμών ενώ διατηρείτε σε υψηλά επίπεδα  η ποιότητα του ήχου
    Εύκολη χρήση χωρίς πολλές ρυθμίσεις επιλέγοντας προεπιλεγμένες έτοιμες ρυθμίσεις
    Χειροκίνητη λειτουργία για ρυθμίσεις από προχωρημένους χρήστες
    Midi in/out και thru
    Frequency response: 20Hz – 20KHz, ±1dB
    Noise: >94dB
    THD: 0.0075%
    Crosstalk:

Ψηφιακός δυναμικός επεξεργαστής με λειτουργίες gate και expander. Παρέχει αυτόματο έλεγχο gain, compressor και limiter για την προστασία του συστήματος.Η είσοδος είναι combo με 1/4 καρφί και XLR. Διαθέτει δυο εξόδους 1/4 καρφί και XLR.Παραμετρικό equalizer για 9 μπάντες.

The AD2055 combines 100% discrete, pure class A signal amplifiers with state-of-
the-art passive and active filter topologies. The AD2055's unique circuitry delivers
very high resolution transient detail at the operational extremes of real world equalization
demands. The AD2055 auto-bias DC servo loop control eliminates the need for all
interstage capacitor coupling. The AD2055 breathes life into all musical performances!
 
AD2055 FEATURES
Pure Class A, 100% discrete design
Smooth musical detail and sonic excellence
Minimum audio signal path
Dual mono operation
Transparent active and passive filter design
High headroom +30dB Very low noise -94dB
Fully balanced inputs and outputs
DC coupled, no transformers in audio path
Switched frequencies in high and low bands
Mid bands use X10 frequency for extended range
Wide bandwidth -3dB 1Hz to 450kHz
Low distortion less than 0.5% THD and IMD
All signal routing with sealed silver relays Conductive
plastic potentiometers for low noise
External 150W toroidal power supply 100% discrete
power supplies for audio path
Long lasting, stainless steel hardware
 
SONIC EXCELLENCE
The Avalon AD2055 Pure Class A music equalizer is the most powerful, low noise
parametric equalizer available today. Designed to optimize absolute signal integrity
and musical performance, the AD2055 combines the best of active and passive filter
topologies with sonic excellence unequaled by lesser designs. The AD2055 is the
perfect solution for two buss music-program equalization, special instrument EQ and
FX applications and ultra high performance mastering studio's.

Features include state-of-the-art, balanced 100% discrete, Pure Class A signal amplifiers,
practical user features and rugged hardware designed to deliver true high performance
audio for many years. 

PASSIVE-ACTIVE FILTER DESIGN
Avalon equalizers feature the unique combination of both active and passive filter EQ designs.
This special combination enables the AD2055 to deliver high speed transient detail at the
operational extremes of real-world equalization demands. The passive high and low bands offer
alternate musical tone range to the full function active parametric mid bands. Passive equalizers
have long been a favorite with music lovers around the world.  Full bodied, powerful (up to +/-32dB,
64dB range !) and sweet frequency selections are the benefits of the passive high-low EQ bands.
The full bandwidth twin mid bands provide variable frequency selection (X10 frequency multipliers
for very wide range), variable Q (width) and amplitude control.

MINIMUM SIGNAL PATH DESIGN
Avalon's advanced true symmetry design offers high-voltage, large headroom, extended bandwidth
and very low noise. The use of 100% discrete, Pure Class A signal amplifiers give the serious music
professional unlimited sonic character and a natural harmonic detail that enhances the program
material and becomes one with the music itself. The Avalon AD2055 breathes life!

AD2055 SPECIFICATIONS
Circuit Topology  High-voltage 100% discrete, balanced and symmetrical
Class A 
Output Gain Range  Unity Gain 
Maximum Input Level  +30dB balanced XLR pin 2 hot 
Maximum Output Level  +32dB balanced 600 ohms, DC coupled, high-current
discrete Class A 
Input / Output Type  XLR type, pin 2 hot balanced 
Noise 20kHz Unweighted  -94dB (EQ in) 
Distortion THD, IMD  0.5% (typical 0.05% at +6dB 1kHz) 
Frequency Response -3dB  1Hz to 450kHz (input band limited) 
Equalizer Type  Passive high and low bands plus two fully parametric mid
bands 
Bypass  Hard-wire relay bypass for equalizer in-out 
Low Band F1  Passive, amplitude to -32dB to +32dB shelf or peak-dip curve 
F1 Frequency Range  Switched 10 position 18Hz, 25, 30, 50, 72, 100, 150, 215,
300, 450Hz 
Mid Band F2  Active, amplitude to -16dB to +16dB peak-dip curve 
F2 Frequency Range  Variable 35Hz to 450Hz (x10) 350Hz to 4k5Hz, Q (width)
0.3 to 3.0 
Mid Band F3  Active, amplitude to -16dB to +16dB peak-dip curve 
F3 Frequency Range  Variable 160Hz to 2k0Hz (x10) 1k6Hz to 20kHz, Q (width)
0.3 to 3.0 
High Band F4  Passive, amplitude to -26dB to +26dB shelf or peak-dip curve 
F4 Frequency Range  Switched 10 position 1k5Hz, 2k5, 3k5, 5k, 7k2, 10k, 12k5,
15k, 20k, 25kHz 
AC-DC Power  External AC supply, 150w toroidal transformer, 4 pin cable 90v
isolated, 
(B2T Power Supply Included)  100-240v selectable 50/60Hz, 150w max 
Dimensions  19 x 3.5 x 12 in (482 x 88 x 305mm) 
Shipping weight  30lbs (13.6 kg) 

DBX-1074                                
4 ch noise gate με δυνατότητα λειτουργίας σε ρυθμιζόμενο εύρος
συχνοτήτων XLR in/out, insert points.

 

  • Four independent channels of gating
  • Independent key filtering
  • Independent Threshold and Release controls
  • Differentially balanced gold-plated XLR and 1/4" inputs and outputs
  • True RMS level detection
  • Stereo Coupling mode
  • Switchable +4dBu or -10dBv operation per channel

    Input ConnectorsXLR (Pin 2 and tip hot)
    Input TypeElectronically balanced/unbalanced, RF filtered
    Input ImpedanceBalanced > 50 kOhm, unbalanced >25 kOhm
    Max Input> +22 dBu balanced or unbalanced
    CMRR40dB: Typically >55 dB at 1 kHz
    Key InputElectronically balanced/unbalanced, RF fitered Balanced 50kOhm, unbalanced > 25 kOhm
    Output ConnectorsXLR (Pin 2 hot)
    Output TypeServo-balanced/unbalanced, RF filtered
    Output ImpedanceBalanced 60 Ohm, unbalanced 30 Ohm
    Max Output> +22 dBm balanced, > +20 dBm unbalanced
    Bandwidth20 Hz to 20 kHz, +0/-0.5 dB
    Frequency Response0.35 Hz to 200 kHz, +0/-3 dB
    Noise
    Dynamic Range> 115 dB, unweighted
    THD+Noise0.008% typical at +4 dBu (1 kHz unity gain), 0.08% typical at +20 dBu (1 kHz unity gain),
    Interchannel Crosstalk
    Stereo CouplingTrue RMS Power Summing
    Operating Voltage100-120 VAC 50-60 Hz or 200-240 VAC 50/60 Hz
    Power Consumption30 Watts
    Fuse100-120 VAC:250 mA Slow Blow, 200-240 VAC:125 mA Type T
    Power ConnectorIEC receptacle
    Unit Weight6.9 lbs.
    Shipping Weight9.3 lbs.

DBX-1046
Compressor - limiter 4 εισόδων, κύκλωμα "overeasy“, peakstoplus,
είσοδοι - έξοδοι XLR και 1/4 TRS. Κατάλληλος για studio, live χρήση.

  • Four independent channels of operation, stereo linkable in two pairs
  • PeakStopPlus™ limiting control for setting maximum allowable level regardless of compressor settings
  • Independent Threshold and ratio controls
  • Switchable OverEasy® or Hard Knee compression
  • Classic dbx® compression
  • Differentially balanced gold-plated XLR and 1/4" inputs and outputs
  • True RMS level detection
  • Precision metering of input level, output level, and gain reduction
  • Dual True stereo or quad mono operation
  • Switchable +4dBu or -10dBV operation per channel

 

Input Connectors XLR and 1/4" TRS (Pin 2 and tip hot)
Input Type Electronically balanced/unbalanced, RF filtered
Input Impedance Balanced > 40 kOhm, unbalanced >20 kOhm
Max Input > +22 dBu balanced or unbalanced
CMRR Typically >50 dB at 1 kHz
Output Connectors XLR and 1/4" TRS (Pin 2 and tip hot)
Output Type Servo-balanced/unbalanced, RF filtered
Output Impedance Balanced 30 Ohm, unbalanced 15 Ohm
Max Output > +22 dBm balanced, > +20 dBm unbalanced
Bandwidth 20 Hz to 20 kHz, +0/-0.5 dB
Frequency Response 0.35 Hz to 90kHz, +0/-3 dB
Noise
Dynamic Range > 118 dB, unweighted
THD+Noise >0.008% typical at +4 dBu (1 kHz unity gain), 0.08% typical at +20 dBu (1 kHz unity gain),
IMD
Interchannel Crosstalk
Stereo Coupling True RMS Power Summing
Compressor Threshold Range -40 dBu to +20 dBu
Compressor Ratio 1:1 to infinity:1
Compressor Threshold Characteristic Selectable OverEasy® or hard knee
Compressor Attack/Release Characteristic AutoDynamic™
Compressor Attack Time Program-dependent
Compressor Release Time Program-dependent
Compressor Output Gain -20 to +20 dB
Limiter Threshold Range 0 dBu to +24 dBu (off)
Limiter Ratio infinity:1
Limiter Type PeakStopPlus® two-stage limiter
Limiter Stage 1 PeakStop® brickwall limiter
Limiter Stage 1 Attack Time Zero
Limiter Stage 1 Release Time Zero
Limiter Stage 2 Predictive intelligent program limiter
Limiter Stage 2 Attack Time Program-dependent
Limiter Stage 2 Release Time Program-dependent
OverEasy® Switch Activates the OverEasy compression function
I/O Meter Switch Switches between monitoring input and output levels on the Input/Output Level meter
Bypass Switch Activates the direct input-to-output hard-wire bypass
Operating Level Switch (rear panel) Switches the nominal operating level between -10 dBV and +4 dBu simultaneously for both input and output levels
ST Link Switch Links channels in stereo pairs. Channels One and Three become the master channels
Gain Reduction Meter 8 segment LED bar graph at 1, 3, 6, 10, 15, 20, 25, and 30 dB
I/O Meter 8-segment LED bar graph at -24, -18, -12, -6, 0, +6, +12, and +18 dBu
PeakStop™ Indicator 1 LED to indicate PeakStop™ limiting
Function Switches LED indicator for each front-panel switch
Output Transformer Options Jensen® JT-123-dbx or JT- 11-dbx, BCI RE- 123-dbx or RE-11-dbx
Operating Voltage Switchable:100-120 VAC 50-60 Hz or 200-240 VAC 50/60 Hz
Power Consumption 20 Watts
Fuse 100-120 VAC:250 mA Slow Blow, 200-240 VAC:125 mA Type T
Power Connector IEC receptacle
Dimensions 1.75“Hx19“Wx9“D (4.4cmx48.3cmx20.1cm)
Unit Weight 5.2 lbs. (2.4 kg)
Shipping Weight 7.6 lbs. (3.5 kg)

 

Weight11.80 kg1.90 kg3.00 kg13.60 kg3.00 kg3.50 kg
DimensionsΜ/ΔΜ/ΔΜ/ΔΜ/ΔΜ/ΔΜ/Δ
Additional information
Βάρος 11.80 kg
Βάρος 1.90 kg
Βάρος 3.00 kg
Βάρος 13.60 kg
Βάρος 3.00 kg
Βάρος 3.50 kg