The introduction of the Drawmer DL241 Dual Channel \’Auto-Compressor\’ highlights the beginning of a new generation of dynamic processors which set new standards of sonic excellence. Its combination of features, displays and well designed control functions make it an outstanding product for a vast range of broadcast, sound reinforcement, and recording applications. The DL241 \’Auto-Compressor\’ […]
The introduction of the Drawmer DL241 Dual Channel \’Auto-Compressor\’ highlights the beginning of a new generation of dynamic processors which set new standards of sonic excellence. Its combination of features, displays and well designed control functions make it an outstanding product for a vast range of broadcast, sound reinforcement, and recording applications. The DL241 \’Auto-Compressor\’ incorporates many automatic functions allowing the engineer to achieve optimum results in the minimum set up time but does not compromise skilled users with limited controls. Its sophisticated design produces a smooth, transparent and warm sonic performance.
Facilities available on the DL241 include:
Expander/Gate : Drawmer\’s unique “Programmed Adaptive Expansion” circuitry allows effective \’single control operation\’ producing a fast smooth response and eliminating \’chatter\’ on or around threshold. This design differs from that of conventional Expanders in that the Expansion Ratio, Hold Attack and Release continually adapt themselves to the dynamics of the incoming signal. The Expander/Gate provides 80dB range and variable threshold from +20dB to 70dB with an OFF position. Switching is provided for \’Fast\’ or \’Slow\’ release characteristics. The \’Fast\’ mode can be used for instruments with rapid decay times or for additional tightening of the gating effect. The \’Slow\’ mode is more suitable for vocals and instruments with longer decay times or can be used to smooth over rough fade outs. A single LED indicates gating action.
Compressor : A full Auto Attack/Release Compressor with variable Threshold and Ratio successfully combines the smoothness of the \’Soft Knee\’ principle with the precision of a \’Ratio\’ control. The advantage of this combination is that instead of the onset of compression being sudden at the threshold point the ratio increases over a 10dB input level range until it reaches the ratio set on the front panel control, thus achieving a more natural sounding compression. Selectable manual or fully automatic Attack and Release times dramatically extend the application range and user scope of the DL241. Selecting the \’Auto\’ mode removes the need for manual adjustment and is particularly valuable when the program being treated does not have predictable or consistent dynamics, often the case when processing a complete mix or a virtuoso bass guitar performance. Under manual control the wide range of adjustment available gives the user the ability to create dynamic effects as well as normal compression.
Peak Level. \’Zero Response Time\’, \’Zero Overshoot\’ circuitry : This provides an absolute limit to the peak level of the output signal, adjustable from OdB to +16dB above system level. When set to the required level, any excessive peaks will be stopped and the gain momentarily decreased if necessary. The \’Zero Response Time\’ is essential to avoid unpleasant distortion when mastering for CD or sending any signal to digital equipment. \’Zero Response Time\’ means that the DL241 provides complete protection from even the fastest and shortest signal \’spikes\’ (overloads), making the unit also ideally suited for speaker system protection in sound reinforcement applications.
Metering : Comprehensive bar graph displays give \’at a glance\’ indications of gain reduction, and output signal level Gain reduction from 1dB to -30dB is shown simultaneously with signal level from -20dB to +15dB Other single LEDs indicate function status of Gating Acton, Auto Mode, Bypass, Peak Limiting, Stereo Linking, and Power On.
Stereo Link : When processing stereo signals, linking should be used to prevent image shifting. This facility ties both channels together. Using channel 1 (left) as the master channel removes the need to duplicate control settings for both channels.
Bypass : A fully balanced hard-wire bypass connects the input directly to the output allowing signal to pass through the unit with no power applied. In bypass the VU level meter displays the Input signal.
Operating Level : The operating level of the DL241 can be instantly switched, independently on each channel, for either +4dBu or -10dBu operation using a rear panel push switch.
Input/Output : The DL241 is available with either XLR connections and fully balanced inputs and outputs, or with stereo jack (TRS) connections, fully balanced inputs and single ended outputs.
Weight
3.00 kg
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The introduction of the Drawmer DL241 Dual Channel \'Auto-Compressor\' highlights the beginning of a new generation of dynamic processors which set new standards of sonic excellence. Its combination of features, displays and well designed control functions make it an outstanding product for a vast range of broadcast, sound reinforcement, and recording applications. The DL241 \'Auto-Compressor\' incorporates many automatic functions allowing the engineer to achieve optimum results in the minimum set up time but does not compromise skilled users with limited controls. Its sophisticated design produces a smooth, transparent and warm sonic performance.
Facilities available on the DL241 include:
Expander/Gate : Drawmer\'s unique "Programmed Adaptive Expansion" circuitry allows effective \'single control operation\' producing a fast smooth response and eliminating \'chatter\' on or around threshold. This design differs from that of conventional Expanders in that the Expansion Ratio, Hold Attack and Release continually adapt themselves to the dynamics of the incoming signal. The Expander/Gate provides 80dB range and variable threshold from +20dB to 70dB with an OFF position. Switching is provided for \'Fast\' or \'Slow\' release characteristics. The \'Fast\' mode can be used for instruments with rapid decay times or for additional tightening of the gating effect. The \'Slow\' mode is more suitable for vocals and instruments with longer decay times or can be used to smooth over rough fade outs. A single LED indicates gating action.
Compressor : A full Auto Attack/Release Compressor with variable Threshold and Ratio successfully combines the smoothness of the \'Soft Knee\' principle with the precision of a \'Ratio\' control. The advantage of this combination is that instead of the onset of compression being sudden at the threshold point the ratio increases over a 10dB input level range until it reaches the ratio set on the front panel control, thus achieving a more natural sounding compression. Selectable manual or fully automatic Attack and Release times dramatically extend the application range and user scope of the DL241. Selecting the \'Auto\' mode removes the need for manual adjustment and is particularly valuable when the program being treated does not have predictable or consistent dynamics, often the case when processing a complete mix or a virtuoso bass guitar performance. Under manual control the wide range of adjustment available gives the user the ability to create dynamic effects as well as normal compression.
Peak Level. \'Zero Response Time\', \'Zero Overshoot\' circuitry : This provides an absolute limit to the peak level of the output signal, adjustable from OdB to +16dB above system level. When set to the required level, any excessive peaks will be stopped and the gain momentarily decreased if necessary. The \'Zero Response Time\' is essential to avoid unpleasant distortion when mastering for CD or sending any signal to digital equipment. \'Zero Response Time\' means that the DL241 provides complete protection from even the fastest and shortest signal \'spikes\' (overloads), making the unit also ideally suited for speaker system protection in sound reinforcement applications.
Metering : Comprehensive bar graph displays give \'at a glance\' indications of gain reduction, and output signal level Gain reduction from 1dB to -30dB is shown simultaneously with signal level from -20dB to +15dB Other single LEDs indicate function status of Gating Acton, Auto Mode, Bypass, Peak Limiting, Stereo Linking, and Power On.
Stereo Link : When processing stereo signals, linking should be used to prevent image shifting. This facility ties both channels together. Using channel 1 (left) as the master channel removes the need to duplicate control settings for both channels.
Bypass : A fully balanced hard-wire bypass connects the input directly to the output allowing signal to pass through the unit with no power applied. In bypass the VU level meter displays the Input signal.
Operating Level : The operating level of the DL241 can be instantly switched, independently on each channel, for either +4dBu or -10dBu operation using a rear panel push switch.
Input/Output : The DL241 is available with either XLR connections and fully balanced inputs and outputs, or with stereo jack (TRS) connections, fully balanced inputs and single ended outputs.
The Avalon VT-737SP features a combination of TUBE preamplifiers, opto-compressor,sweep equalizer, output level and VU metering in a 2U space. PREAMPLIFIER The VT-737SP has three input selections: 1. The VT-737SP features a higher-performance microphone input transformer with +48v phantom selection. 2. Instrument DI high source input with jack located on front panel. 3. Balanced line input, discrete high-level Class A. The Class A preamplifier utilizes two cascaded, dual vacuum tube triodes configured with minimum negative feedback. A high gain switch boosts the overall gain of the preamplifier. The four high quality tubes are configured as singled ended anode coupled followers. A passive-variable high pass filter and hard-wire relay bypass completes the input signal conditioning. The phase reverse relay is available on all three inputs. OPTO-COMPRESSOR The opto-compressor features a minimum signal path design with twin Class A vacuum tube triodes for gain matching. The optical attenuator acts as a simple passive level controller. Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls plus gain reduction selection on the large VU meter. Special spectral control including de-ess is available with the dual sweep mid EQ to side- chain switch. The EQ section can be flipped pre or post the opto-compressor via a front panel switch for alternate effects and tone shaping. Two VT-737SPs can be linked via a rear panel link cable for stereo tracking. The compressor bypass is a sealed silver relay for the most direct signal path. SWEEP-EQUALIZER AND OUTPUT LEVEL The VT-737SP equalizer utilizes 100% discrete, Class A-high-voltage transistors for optimum sonic performance. The high and low frequency bands provide the smooth characteristics of an all passive design, while the dual mid bands include variable frequency and switched Q-width selection. The enhanced range of the mid bands is extended into the high and low bands by the use of X10 frequency multipliers. The bypass switch incorporates a sealed silver relay for the most direct signal path. When the EQ to sidechain is engaged, the high-low EQ remains in the audio path for "tone enhancement“. The output level control provides a variable control of the overall signal path. The output amplifier utilizes another dual triode vacuum tube driving a 100% discrete, Class A, high-current, balanced and DC coupled low noise output amplifier.
AVALON VT-737SP FEATURES Vacuum tube triode signal path, transformer balanced microphone input, high-voltage circuits for maximum headroom to +30dB, low noise -92dB, internal discrete power supply with toroidal transformer, soft-start tube life extender, stereo link for compressors, all discrete Class A equalizer with musical passive filter design, sealed silver relays for signal routing, large control knobs with professional conductive plastic potentiometers, VU meter for output level monitoring and compressor gain reduction.
VT-737SP SPECIFICATIONS Circuit topology Four dual triode vacuum tubes (Sovtek 6922), high-voltage discrete Class A Gain Range Microphone: Transformer balanced 850/2500 ohm, 0dB to +58dB Instrument: Unbalanced 1 meg ohm, 0dB to+30dB Line: Balanced Class A 20k ohms, -27dB to 28dB Maximum input level and connector types Microphone26dB@25Hz, +30dB@1kHz balanced XLR Instrument+30dB unbalanced front panel jack socket Line +36dB balanced XLR Maximum output level +30dB balanced 600 ohms, DC coupled, discrete Class A Output type and gain XLR connector, output trim gain -45dB to20dB Noise 20kHz unweighted -92dB Noise microphone EIN -116dB, 22Hz to 22kHz unweighted Distortion THD, IMD 0.5% Frequency response -/2.5dB 10Hz to 120kHz input filter included Frequency response -3dB 1Hz to 200kHz line in-out VU meter and gain reduction High quality illuminated OVU =+4dB and gain reduction to -20dB High cut filter Variable 6dB per octave 30Hz to 140Hz Compressor type Optical passive attenuator incorporating twin vacuum tubes and stereo link 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 Equalizer type Discrete Class A, variable active and switched passive design Frequency bands (4) Treble - switched 10kHz, 15kHz, 20kHz, 32kHz, +/- 20dB range, shelf High mid - variable 200Hz to 2k8Hz and 2kHz to 28kHz, +/- 16dB range, hi-lo Q Low mid - variable 30Hz to 450Hz and 300Hz to 4k5Hz, +/- 16dB range, hi-lo Q Bass - switched 15Hz, 30Hz, 60Hz, 150Hz, +/- 24dB range, shelf AC power Internal toroidal 100v to 240v, 50-60Hz selectable, 75 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)
Product Features:
Ultra-high resolution 24-bit/96 kHz mastering processor featuring 32/40-bit floating-point DSP technology Audiophile 24-bit/96 kHz A/D- and D/A converters offering 113 dB dynamic range 4 concurrently selectable EQ modules (31-band graphic EQ, 10-band parametric EQ, Feedback Destroyer plus 3 Dynamic EQs per stereo channel) Ultra-high resolution 61-band real-time FFT analyzer with additional auto EQ function for room and loudspeaker equalization Unique VPQ (Virtual Paragraphic EQ) option allows parametric control of graphic EQs State-of-the-art compressor/expander with peak limiter per stereo channel, additional stereo imager and stereo delay for delay line applications Multi-functional level meters (peak/RMS, VU and SPL meter with dBA/dBC weighting via RTA/Mic input) 64 user memories for complete setups and/or individual module configurations Separate mic/line input with phantom power for RTA and Auto-EQ applications Balanced inputs and servo-balanced outputs with gold-plated XLR connectors, stereo aux output, AES/EBU and S/PDIF inputs and outputs (XLR and optical) Professional Wordclock input and MIDI connections for full remote control, preset dumps and system updates Open architecture allowing future software updates via MIDI "Planet Earth" switching power supply for maximum flexibility (100 - 240 V~), noise-free audio, superior transient response plus low power consumption for energy saving High-quality components and exceptionally rugged construction ensure long life Conceived and designed by BEHRINGER Germany
Renaissance Compressor
Designed to provide the classic warm sound of analog compressors, the legendary
Renaissance Compressor controls dynamics with studio-style warmth that flatters
full mixes, vocals, or instruments. Controls include selection of vintage-style Opto
or modern Electro compression, and threshold, ratio, and attack controls. Waves
ARC? (Automatic Release Control) algorithm dynamically optimizes the compressor's
release value for a wide-ranging input. ARC? reacts much the way a human ear
expects, and can produce increased RMS level with greater clarity.
In general, the release is faster for peak transients and slower for the overall RMS
level. The ARC? system varies the release time to fit the ear's expectations while
increasing RMS, and without creating distracting artifacts. In this way, the
Renaissance Compressor can serve as a leveler plus a fast compressor simultaneously.
L2 Ultramaximizer Peak Limiter
Heard on countless hit records and soundtracks, the L2 Ultramaximizer puts sound
up-front with breathtaking transparency. The L2 is capable of a very fast, overshoot-free
response. Once the limiter threshold has been set, you can define the actual peak level
that the processed signal will reach. Once set, limiting and level re-scaling becomes a
one-shot process. The L2 can significantly increase the average signal level without
introducing any audible side effects. Yet there is plenty of range to recreate "vintage"
effects such as level pumping or severely limited dynamic range if you like.
Pristine Sound Quality
The MaxxBCL offers 96kHz, 24-bit resolution with a 48-bit, double precision internal
processing path and a dynamic range of ~125dB. The totally passive analog input
path to the ADC uses Jensen transformers, while the output path also features Jensen
analog output transformers. The unit is galvanic-isolated, which prevents ground loops
and allows it to operate in electrically unstable environments. Waves MaxxBCL combines
the highest quality converters available with unequalled processing algorithms to offer you
astonishing new power in bass enhancement, dynamics processing, and format conversion
(analog-to-digital, digital-to-analog, and digital re-quantization).
Versatile Connections
The MaxxBCL supports optical, coaxial S/PDIF, AES/EBU, balanced and unbalanced
line-level analog signals. MaxxBCL features a unique set of input and output trim settings:
analog input headroom can be set from 9dB above 0dBu to 24dB in six precise steps
(using the rear-panel selectors). Analog output level is similarly set with a separate
rear-panel trim pot offering you the ability to connect between devices with a wide range
of input and output levels.
Waves MaxxBCL Features:
User Interface:
Clear backlit displays, meters, and buttons are visible in all lighting conditions
THD + Noise: ? 0.0006 % @ 1kHz @ -1dBFS
Precision metering with resettable peak hold options (2 sec, infinite)
Accurate, wide-range metering covering 90dB for input and output
and 12dB for compressor and limiter attenuation
Quick access independent bypass on each processing block
Tactile feedback knobs
Four easy store/recall user presets
Input / Output:
Analog, AES/EBU, S/PDIF
Independent rear-panel input and output headroom calibration in six steps
(+9, 12, 15, 18, 20, and 24 dBu)
Passive analog inputs to the A-to-D converters using Jensen analog input transformers
Jensen analog output transformers
High-performance IDR dithering to 16- or 24-bit output
Precise input level setting using 1% resistor networks
Processing:
48-bit end-to-end internal processing path
Switchable compressor/MaxxBass? order
MaxxBass:
Adjustable processor frequency from 25 to 120Hz
Adjustable harmonic mix percentage from 0 to 100%
High-pass Filter "harmonics only" option
Compressor:
Opto/Electro mode selection
Threshold (0-60dB), Ratio (1:1-12:1), and Attack (0.5, 1, 2, 5, 10, 20, and 50 ms) controls
Proprietary ARC? Automatic Release Control
Automatic gain makeup
Limiter:
Overshoot-free look-ahead processing
Adjustable Threshold (0-18dB)
Adjustable Output Ceiling (0-18dBFS)
Bring a more professional sound to your mix
Adding a dbx® 266xs Compressor/Limiter/Gate to your live sound rig or studio gives you more dynamic control to help create a more polished, professional sound. Having compression in your audio chain gives you the ability to smooth out uneven levels, add sustain to guitars and fatten up your drums. It also makes it easy to bring vocals to the front of your mix - adding greater clarity and making them stand out from the surrounding instruments.
dbx knows compressors...after all we invented them! The 266xs is the latest in a long line of the world's most successful compressors from the inventors of the technology. Its patented Overeasy® compression technology provides smooth and musical performance while the AutoDynamic™ attack and release controls, found only on dbx compressors, puts great sound within easy reach. The 266xs can operate in stereo or dual-mono modes, has true RMS power summing and features quality XLR and 1/4" TRS inputs and outputs. It cuts no corners on visual feedback with gain reduction metering and easy-to-read backlit switches.
Features
Error proof operation to smooth uneven levels, add sustain to guitars, fatten drums or tighten up mixes
New gate timing algorithms ensure the smoothest release characteristics
Program-adaptive expander/gates
Great sounding dynamics control for any type of program material
Separate precision LED displays for gain reduction, compression threshold and gate threshold allow quick, accurate setup
Stereo or dual-mono operation
Balanced inputs and outputs on 1/4" TRS and XLR connectors
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 0 dB<br>Frequency Response 20 Hz ... 20 kHz, +/- 1,5 dB<br>Feeback Cancellation 6 ... 10 dB<br>Power Requirement 30 ... 48 V Phantom<br>Current drain ca. 8 mA<br>External Power Supply 9 ... 20 V DC, 3,5 mm jack, tip +<br>Housing Aluminium Diecast<br>Weight 285 grams<br>Dimensions 112 x 60 x 32 mm</p></td><td>
<p>
Psychoacoustic Bass Enhancement Unit with Renaissance Compressor, MaxxBass, and L2
</p>
<p>
Bass Boost for Live Sound, Broadcast, Mastering & Post Production<br>
They say that in electronics there's no new technology - the only changes <br>
will be in size and applications. Things will simply keep getting smaller <br>
while doing more. This is certainly true in music (just think about what an <br>
iPod can do), but as we design smaller playback systems with small speakers, <br>
there are also some tradeoffs, particularly in music. Clever cabinet designs and <br>
high-excursion drivers can get you only so far. Any audio engineer trying to extract <br>
bass from real-world components must eventually face the laws of physics: <br>
All things being equal, small boxes and speaker cones can't move enough air <br>
to produce a room-shaking low end. When working with systems tiny enough to <br>
toss in a shoulder bag, the challenge is even more formidable. Interestingly enough, <br>
Waves MaxxBCL has a new solution to this problem using a very old concept.
</p>
<p>
Waves MaxxBCL at a Glance:<br>
MaxxBass? Bass Enhancement adds deep bass sound without adding bass frequencies<br>
Waves Renaissance Compressor<br>
L2 Ultramaximizer Peak Limiter<br>
24-bit/96kHz resolution with 48-bit, double-precision processing<br>
Supports optical, coaxial S/PDIF, AES/EBU, balanced and unbalanced line-level analog signals
</p>
<p>
MaxxBass Bass Enhancement<br>
Waves' patented algorithm adds stunning bass sound without adding bass frequencies, <br>
delivering a bigger bottom end. MaxxBass? allows your audience to hear bass frequencies <br>
lower than physically present by applying psychoacoustic principles: Even though we <br>
can hear a bass guitar from a small speaker, we don't actually hear the fundamental <br>
frequency because the speaker can't produce a pitch that low. Instead, we hear the <br>
harmonics that the speaker can produce, and this causes the brain to create the "acrobat_reader_logo."){kind=logo}
fundamental." MaxxBass? takes this well-known psychoacoustic phenomenon to the 
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