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Zener Diode Voltage Limiter
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Manley ELOP Limiter $2970 Set it and forget it! The Manley Optical ELOP Limiter makes your job easy. The principle of operation is based around using a rectified sample of the audio to shine an LED (Light Emitting Diode) onto an LDR (Light Dependent Resistor). The photo-resistor in combination with a fixed resistor simply act as a changing voltage divider to attenuate the signal &mdash like a smart volume control. A similar principle was found in the older Teletronix & Urei LA-2A, LA-3, and LA-4 units, which used a slower electro-luminescent panel-light on a conventional LDR encased in a light-tight enclosure. The Manley ELOP Limiter uses modern VACTROL technology (but with a trick!) for exact sample-to-sample tracking and no high frequency loss while digging deep into limiting &mdash problems commonly associated with older LA-series limiters and other opto-based units. The audio signal passes only through Manley's super-clean single-ended vacuum tube line amplifier. Due to its inherently quick attack, this Electro-Optical Limiter is a skilled soldier for tracking vocals or individual instruments, although now with the addition of a very useful sidechain high-pass filter that can switch between 100Hz or 200Hz (or OUT) to allow the limiter to ignore heavy bass lines, the Manley ELOP limiter is proving more useful for modern urban music where you don't want the limiter only responding to the loudest "thing" i.e., the BIG bass. If you want the bass line to leave the rest of the mix alone, then this switch is for you! |
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Langevin Stereo Elop Limiter $1620 Set it and forget it! The Langevin Stereo-Optical ELOP Limiter makes your job easy. The principle of operation is based around using a rectified sample of the audio to shine an LED (Light Emitting Diode) onto an LDR (Light Dependent Resistor). The photo-resistor in combination with a fixed resistor simply act as a changing voltage divider to attenuate the signal &mdash like a smart volume control. A similar principle was found in the older Teletronix & Urei LA-2A, LA-3, and LA-4 units, which used a slower electro-luminescent panel-light on a conventional LDR encased in a light-tight enclosure. Manley uses modern VACTROL technology (but with a trick!) for exact sample-to-sample tracking and no high-frequency loss while digging deep into limiting &mdash problems commonly associated with older LA-series limiters and other opto-based units. The Langevin limiter's audio signal passes only through Manley's super-clean single-ended vacuum tube line amplifier. Each channel can be run separately or switched to "stereo &mdash link ". Due to its inherently quick attack, this Electro-Optical Limiter is a skilled soldier for tracking vocals or individual instruments, although now with the addition of a very useful sidechain high-pass filter that can switch between 100Hz or 200Hz (or OUT) to allow the limiter to ignore heavy bass lines, the ELOP limiter is proving more useful for modern urban music where you don't want the limiter only responding to the loudest "thing" i.e., the BIG bass. If you want the bass line to leave the rest of the mix alone, then this switch is for you! ALL-DISCRETE audio path Balanced XLR inputs & outputs Unbalanced 1/4" inputs & outputs Silent conductive plastic input attenuators Max. Gain reduction 22db Attack time: 10ms for 6db GR Release: 2.5 seconds for 6db GR BYPASS switches Sifam VU METERS Meters switch to read OUTPUT or REDUCTION STEREO LINK switch |
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Manley Elop Limiter $2970 Set it and forget it! The Manley Optical ELOP Limiter makes your job easy. The principle of operation is based around using a rectified sample of the audio to shine an LED (Light Emitting Diode) onto an LDR (Light Dependent Resistor). The photo-resistor in combination with a fixed resistor simply act as a changing voltage divider to attenuate the signal &mdash like a smart volume control. A similar principle was found in the older Teletronix & Urei LA-2A, LA-3, and LA-4 units, which used a slower electro-luminescent panel-light on a conventional LDR encased in a light-tight enclosure. The Manley ELOP Limiter uses modern VACTROL technology (but with a trick!) for exact sample-to-sample tracking and no high frequency loss while digging deep into limiting &mdash problems commonly associated with older LA-series limiters and other opto-based units. The audio signal passes only through Manley's super-clean single-ended vacuum tube line amplifier. Due to its inherently quick attack, this Electro-Optical Limiter is a skilled soldier for tracking vocals or individual instruments, although now with the addition of a very useful sidechain high-pass filter that can switch between 100Hz or 200Hz (or OUT) to allow the limiter to ignore heavy bass lines, the Manley ELOP limiter is proving more useful for modern urban music where you don't want the limiter only responding to the loudest "thing" i.e., the BIG bass. If you want the bass line to leave the rest of the mix alone, then this switch is for you!All-tube audio path 12au7wa + 6414 per ch.Unbalanced " inputs and outputs andBalanced transformer coupled XLR inputs and outputsHi-current drive |
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Transmission Lines and Schottky Diode $108.33 A nonlinear relation between current and voltage for schottky resonant tunneling diode is used. A general form of equation similar to VanDer Pol equation is obtained. A Resonant tunneling diode(RTD) has a negative differential resistance that means when the voltage increases the current decreases. This property is very useful for oscillators manufacture. Nonlinear transmission lines is considered to show that it canbe used in oscillators and to show that it can reshape the sinusoidal signals to othershapes by using OrCad and mathematica programming. Author: ElKhozondar, Hala J./ ElKhozondar, Rifa J./ Abo Ireban, Ibtisam Binding Type: Paperback Number of Pages: 80 Publication Date: 2011/07/12 Language: English Dimensions: 9.02 x 5.98 x 0.19 inches |
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Peavey CEL-2A Compressor, Expander, Limiter $349.99 The CEL-2a Compressor/Expander/Limiter is designed for use in all live performance and recording applications, and can be incorporated as either two independent compressors or one synched stereo compressor with true RMS summing. Voltage-controlled amplifier and RMS-integrated circuits maintain low distortion and excellent noise performance. Height: 12.5 Width: 0 Weight: 4.54 |
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Radial Engineering Komit Compressor Limiter $499.99 The Radial Komit Compressor Limiter is one of the eight modules designed to be comprise the Radial Workhorse Rack and Mixer System that combines the popular 500 series platform with an incredibly flexible patching system to let you create the ultimate studio environment. The Radial Komit is a feature-rich compressor-limiter that simplifies the process of dynamic manipulation while expanding upon creative tone shaping. At one end is a super-clean compressor that delivers amazing results with single knob control. At the other, an old-school diode bridge clipping limiter goes from 'vintage to nasty'. But don't let the minimalist approach deter; the Komit provides exceptional flexibility by integrating a series of automatic functions that are both musical and intuitive.The design begins with an auto-detecting feed-forward VCA that reads the incoming program material and reacts 'real-time' to the time constant. Set the 3-position attack-decay switch to slow for vocals, medium for instruments and fast for percussion. As you increase the ratio, the Komit FlexKnee compression dynamically adjusts the pivot point, seamlessly transitioning from soft to hard knee for more natural results. Yet unlike most limiters that are designed to be transparent, the Komit Clipper is designed to introduce personality to your recordings. The Clipper simulates the sound created by old-school diode bridge circuits from the early days of radio. These clip the input signal when they exceed the headroom. Same deal only here, you are in complete control. Ten settings are graduated from mild harmonic overload to extreme nasty. Think of Nine Inch Nails.To ensure absolute signal integrity, full size discrete electronics are employed throughout while the vintage style Hammond broadcast transformers add extra warmth to the signal path. A variable level control provides gain make-up or can be used to drive the Clipper for added distortion. Dual ballistic VU metering makes it easy to simultaneously view compression and output when making adjustments. Designed for use with all 500 series racks, the Komit can be linked for full stereo operation. When used with the Radial Workhorse, the Omniport is assigned as a key input for frequency dependent compression, de-essing, ducking or any number of dynamic manipulation effects.Applications:Channel StripThe Komit is the ideal compressor to compliment a 'gold' channel strip. Feed the mic into a PowerPre, an EQ and the Komit can keep dynamics under control for more professional results. Stereo programThe Komit can be set to stereo mode by linking two Komits together. This is great for mastering. And even though the two units will share the same time constant, independent compression retains the full stereo image. DuckingUse the key input (via the Omniport on the Workhorse) to automatically duck a guitar track (lower the level) when the vocalist begins to sing. Simply connect the TRS output from the PowerPre into the Omniport key input.Single dial |
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Black Lion Audio AGB Compressor Limiter $1199 Black Lion Audio introduces another member of the BLA product line; the Black Lion Audio AGB Compressor Limiter . An homage to the venerable Neve 33609, the AGB is a two-channel diode compressor and limiter housed in a 2U rack mount chassis. Imagine a quick, responsive, low noise compressor with powerful control features. The AGB Compressor does everything from smooth and easy compression to weird rhythmic clicks to funky envelope tricks. It's insanely fast and doesn't choke when you really push it. Strap it across your drum bus and smash away. Give your snare a nice, dense crack. Use it for program material. The slower attack mode is great for vocals. Whatever you use it on, you'll find it does the job well, and without raising the noise floor. So where does their design differ from the original? For one, the signal path is a fully balanced, opamp-based circuit. Rotary potentiometers are used instead of stepped potentiometers, giving you more control over things like input level and attack time. Like the original, the Black Lion AGB uses input, interstage, and output transformers. |
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Voltage Doubler $54.86 High Quality Content by WIKIPEDIA articles A voltage doubler is an electric circuit with an AC input and a DC output of roughly twice the peak input voltage. They are a variety of voltage multiplier circuit and are often, but not always, a single stage of a general form of such circuits. The term is usually applied to circuits consisting of rectifying diodes and capacitors only, other means of doubling voltages are not included.The Villard circuit consists simply of a capacitor and a diode. While it has the great benefit of simplicity, its output has very poor ripple characteristics. Essentially, the circuit is a diode clamp circuit. Author: Surhone, Lambert M./ Timpledon, Miriam T./ Marseken, Susan F. Binding Type: Paperback Number of Pages: 68 Publication Date: 2010/07/14 Language: English Dimensions: 6.00 x 9.00 x 0.16 inches |
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RPM Limiter $279.99 RPM Limiter; Hyfire; External; |
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Used Radial Engineering Komit Compressor Limiter $454.99 The Radial Komit Compressor Limiter is one of the eight modules designed to be comprise the Radial Workhorse Rack and Mixer System that combines the popular 500 series platform with an incredibly flexible patching system to let you create the ultimate studio environment. The Radial Komit is a feature-rich compressor-limiter that simplifies the process of dynamic manipulation while expanding upon creative tone shaping. At one end is a super-clean compressor that delivers amazing results with single knob control. At the other, an old-school diode bridge clipping limiter goes from 'vintage to nasty'. But don't let the minimalist approach deter; the Komit provides exceptional flexibility by integrating a series of automatic functions that are both musical and intuitive.The design begins with an auto-detecting feed-forward VCA that reads the incoming program material and reacts 'real-time' to the time constant. Set the 3-position attack-decay switch to slow for vocals, medium for instruments and fast for percussion. As you increase the ratio, the Komit FlexKnee compression dynamically adjusts the pivot point, seamlessly transitioning from soft to hard knee for more natural results. Yet unlike most limiters that are designed to be transparent, the Komit Clipper is designed to introduce personality to your recordings. The Clipper simulates the sound created by old-school diode bridge circuits from the early days of radio. These clip the input signal when they exceed the headroom. Same deal only here, you are in complete control. Ten settings are graduated from mild harmonic overload to extreme nasty. Think of Nine Inch Nails.To ensure absolute signal integrity, full size discrete electronics are employed throughout while the vintage style Hammond broadcast transformers add extra warmth to the signal path. A variable level control provides gain make-up or can be used to drive the Clipper for added distortion. Dual ballistic VU metering makes it easy to simultaneously view compression and output when making adjustments. Designed for use with all 500 series racks, the Komit can be linked for full stereo operation. When used with the Radial Workhorse, the Omniport is assigned as a key input for frequency dependent compression, de-essing, ducking or any number of dynamic manipulation effects.Applications:Channel StripThe Komit is the ideal compressor to compliment a 'gold' channel strip. Feed the mic into a PowerPre, an EQ and the Komit can keep dynamics under control for more professional results. Stereo programThe Komit can be set to stereo mode by linking two Komits together. This is great for mastering. And even though the two units will share the same time constant, independent compression retains the full stereo image. DuckingUse the key input (via the Omniport on the Workhorse) to automatically duck a guitar track (lower the level) when the vocalist begins to sing. Simply connect the TRS output from the PowerPre into the Omniport key input.Single dial |
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Tube-Tech Lca 2B 2-Channel Compressor And Limiter $4590 The two-channel Tube-Tech LCA-2B offers all-tube compression with the added flexibility an independent compressor and limiter per channel. It's perfect for drum overheads, stereo room mics, stereo guitar, bus compression, and just about any other stereo source you have in mind. You also have the option of inputting two mono sources, compressing on one while limiting on the other. Tube-Tech LCA 2B Compressor/Limiter, First Take: All tube, 2-channel with independent compressor and limiter per channel 6 attack/release presets and manual control Multi-unit link mode Independent Compressor/Limiter The rackmount Tube-Tech LCA 2B is a two-channel unit with an independent compressor and limiter per channel. The unit is all-tube based (except for the power supply and sidechain circuit). Output gain control is placed between the VCA and output stage. The VCA (1 dual triode) is placed between the input transformer and the output stage (2 dual triodes). The audio signal is picked up after the VCA and fed to the sidechain circuit. Six Presets and Manual Control The stereo compressor has six attack/release presets as well as manual control. The limiter attack/release is fixed and equipped with an on/off switch. The LED display is fed from the control amp. The limiter LED is fed from the limiter buffer. The audio path is fully symmetrical from input to output. Input and output have fully floating transformers. All DC voltages are stabilized, except the anode voltage for the output stage, which is only filtered. Link Mode The control signal from the compressor and limiter is combined and sent to the link switch and to the control amp, which feeds the VCA. The bi-directional link busses are accessible at two 1/4" stereo jack sockets on the rear panel. The channels can be linked together for stereo applications and also linked to other LCA 2B's via the two link busses and a standard stereo jack/jack cord. A switch (Link 1, Link 2) on the front panel selects which compressors are interconnected, and on which bus they are connected. If you select Link 1 on both channels, they will perform the same gain reduction. With several LCA 2B compressors in a rack, you can select which ones will work together. For example, by selecting LCA 2B #1, Ch. 1 on link 1; LCA 2B #2, Ch. 2 on link 1, and LCA 2B #3, Ch. 1 on link 1, they are now interconnected and will all act with the same compression. By interconnecting them in this fashion the unit that performs the most compression controls the others. It is also possible to have all the interconnected compressors control each other simultaneously. About Tube-Tech For over twenty years, Tube Tech has been one of the most prominent names in all-tube signal processing equipment. You'll find their gear in the best recording and mastering studios around the world. The company's founder, John Petersen is an electrical engineer who was factory trained at Solid State Logic, EMT, Studer, Sony, Neumann, and NTP Electonik (digit |
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Tube-Tech LCA 2B 2-Channel Compressor and Limiter $4176.9 The two-channel Tube-Tech LCA-2B offers all-tube compression with the added flexibility an independent compressor and limiter per channel. It's perfect for drum overheads, stereo room mics, stereo guitar, bus compression, and just about any other stereo source you have in mind. You also have the option of inputting two mono sources, compressing on one while limiting on the other. Tube-Tech LCA 2B Compressor/Limiter, First Take:All tube, 2-channel with independent compressor and limiter per channel6 attack/release presets and manual controlMulti-unit link modeIndependent Compressor/LimiterThe rackmount Tube-Tech LCA 2B is a two-channel unit with an independent compressor and limiter per channel. The unit is all-tube based (except for the power supply and sidechain circuit). Output gain control is placed between the VCA and output stage. The VCA (1 dual triode) is placed between the input transformer and the output stage (2 dual triodes). The audio signal is picked up after the VCA and fed to the sidechain circuit.Six Presets and Manual Control The stereo compressor has six attack/release presets as well as manual control. The limiter attack/release is fixed and equipped with an on/off switch. The LED display is fed from the control amp. The limiter LED is fed from the limiter buffer. The audio path is fully symmetrical from input to output. Input and output have fully floating transformers. All DC voltages are stabilized, except the anode voltage for the output stage, which is only filtered.Link ModeThe control signal from the compressor and limiter is combined and sent to the link switch and to the control amp, which feeds the VCA. The bi-directional link busses are accessible at two 1/4" stereo jack sockets on the rear panel. The channels can be linked together for stereo applications and also linked to other LCA 2B's via the two link busses and a standard stereo jack/jack cord. A switch (Link 1, Link 2) on the front panel selects which compressors are interconnected, and on which bus they are connected. If you select Link 1 on both channels, they will perform the same gain reduction. With several LCA 2B compressors in a rack, you can select which ones will work together. For example, by selecting LCA 2B #1, Ch. 1 on link 1; LCA 2B #2, Ch. 2 on link 1, and LCA 2B #3, Ch. 1 on link 1, they are now interconnected and will all act with the same compression. By interconnecting them in this fashion the unit that performs the most compression controls the others. It is also possible to have all the interconnected compressors control each other simultaneously.About Tube-TechFor over twenty years, Tube Tech has been one of the most prominent names in all-tube signal processing equipment. You'll find their gear in the best recording and mastering studios around the world. The company's founder, John Petersen is an electrical engineer who was factory trained at Solid State Logic, EMT, Studer, Sony, Neumann, and NTP Electonik (digital audio routers). He a |
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PyleHome PDMT08 Compact Digital Multimeter With ACDC Voltage#44; Current#44; Resistance#44; Diode Check#44; Continuity Test $75.39 DoubleMolded Plastic Housing. HighContrast LCD Display. CATIII Rated. Voltage DC: Max Range 600 V Accuracy: +/ 0.5. Voltage AC: Max Range 600 V Accuracy: +/ 1.2. Current DC: Max Range 10 A Accuracy: +/ 2.5. Resistance: 2 MO Accuracy: 0.8. Diode Check. Continuity Test. Accessories Included: Test Leads 9V Battery. Dimensions: 5.91 H x 2.76 W x 1.89 D. |
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Pyle LAN Tester,Multimeter and Diode Tester $110.8 2 in 1 LAN Tester and Multimeter with Voltage, Current, Resistance, Continuity, and Diode Tester Tests Pin Configuration for 10 Base-T, 10 Base-2, RJ45/RJ11, 356A, TIA-569A/568B and Token Ring Cable Remotely Test Cables Up to 330 Yards Away Test Ground Wire Measure DC/AC Voltage, DC/AC Current, Resistance, Continuity, and Diode DC Voltage: Max Range 600 V, Accuracy +/- 0.5% AC Voltage: Max Range 600 V, Accuracy +/- 1.2% DC Current: Max Range 200 mA, Accuracy +/- 1.2% AC Current: Max Range 200 mA, Accuracy +/- 2.0% Resistance: Max Range 20 MO, Accuracy +/- 0.8% Continuity Test: Beeps If Less Than 100 O Accessories Included: Test Leads, LANtest Remote Terminator, 9V Battery, Carrying Case Dimensions: 6.38" H x 2.93" W x 1.73" D Weight: 10.86 oz. |
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