![Blackbird Vacuum Tube Preamp](http://s1.studyres.com/store/data/007897652_1-47610be6f6afeafac99f5790f823893b-300x300.png)
Blackbird Vacuum Tube Preamp
... with equivalent miniature 9-pin double triode tubes from other manufacturers - Mil-Spec NOS tubes are recommended! The tube in the top right hand corner is the first gain stage and replacing this with types 12AV7, 12AT7 or 12AY7 will yield lower gain and shift the bias point to create different brea ...
... with equivalent miniature 9-pin double triode tubes from other manufacturers - Mil-Spec NOS tubes are recommended! The tube in the top right hand corner is the first gain stage and replacing this with types 12AV7, 12AT7 or 12AY7 will yield lower gain and shift the bias point to create different brea ...
Audion Premier MC Step Up
... black powder coated aluminium as is the transformer cover. The top plate and badge are mirror finished stainless steel. The Audion Moving coil step up is an active class A devices, with power supplies, that amplify the tiny voltage from moving coil cartridges so that it approximates the normal volta ...
... black powder coated aluminium as is the transformer cover. The top plate and badge are mirror finished stainless steel. The Audion Moving coil step up is an active class A devices, with power supplies, that amplify the tiny voltage from moving coil cartridges so that it approximates the normal volta ...
isbbrhtr20 - Hawkeye Steel
... heat by 5 degrees each week until chicks are transferred to finishing battery or growout pen. Keep temperatures of the brooder above 60 degrees F (16 degrees C) and provide ample ventilation without drafts. PLEASE NOTE: In event of insufficient heat, call your power company and have them check the l ...
... heat by 5 degrees each week until chicks are transferred to finishing battery or growout pen. Keep temperatures of the brooder above 60 degrees F (16 degrees C) and provide ample ventilation without drafts. PLEASE NOTE: In event of insufficient heat, call your power company and have them check the l ...
Input Circuit Types - DSX Access Systems, Inc.
... Systems using WinDSX support two, three, and four state supervised input monitoring. There are five programmable circuit types, which are shown below. Two and three state inputs use a 1K-ohm resistor. Four state inputs utilize a 180-ohm and 820-ohm resistor each. All inputs can be individually progr ...
... Systems using WinDSX support two, three, and four state supervised input monitoring. There are five programmable circuit types, which are shown below. Two and three state inputs use a 1K-ohm resistor. Four state inputs utilize a 180-ohm and 820-ohm resistor each. All inputs can be individually progr ...
Tube Town – Bias Setup
... Class A amplifier Class A amplifiers are often used in audio and hi-end stereo. The proportion of pure class A guitar and bass amps is on the other hand low because they are, in comparison to class AB amps, relatively low power, and the effort required to create a high power class A amplifier is far ...
... Class A amplifier Class A amplifiers are often used in audio and hi-end stereo. The proportion of pure class A guitar and bass amps is on the other hand low because they are, in comparison to class AB amps, relatively low power, and the effort required to create a high power class A amplifier is far ...
From Ideas To Implementation Experiments
... Results+ discussions: The maximum distance from the induction coil where the radio receives static reduces with the increasing gap distance. At different wavelengths, there is a higher frequency, pitch. (larger gap). The voltage across the gap produces electromagnetic radiation. Energy is tr ...
... Results+ discussions: The maximum distance from the induction coil where the radio receives static reduces with the increasing gap distance. At different wavelengths, there is a higher frequency, pitch. (larger gap). The voltage across the gap produces electromagnetic radiation. Energy is tr ...
L2X Stereo Line Preamplifier/Buffer PSX Power Supply User’s Manual
... version of the Line 2B SE line preamp without the dual heater voltage switch and balance control. Nichicon polypropylene film capacitors and Alpha carbon volume control are also employed. The L2X is matched to the compact PSX power supply that can be located remotely from the preamp itself. The powe ...
... version of the Line 2B SE line preamp without the dual heater voltage switch and balance control. Nichicon polypropylene film capacitors and Alpha carbon volume control are also employed. The L2X is matched to the compact PSX power supply that can be located remotely from the preamp itself. The powe ...
Temp. Controls Not Heating Up
... Degrees F increase in 60 Seconds when controller applying 100% to heatup load, Optional settings would trigger if there was less than 3 Degrees F increase in 250 seconds when the controller is applying 100% to heatup the load. Some controllers can disable this feature as an option. In these cases, D ...
... Degrees F increase in 60 Seconds when controller applying 100% to heatup load, Optional settings would trigger if there was less than 3 Degrees F increase in 250 seconds when the controller is applying 100% to heatup the load. Some controllers can disable this feature as an option. In these cases, D ...
Jolida 302b Upgrade
... **note – Bill Baker of Response Audio commented that he commonly uses 1k ohm ½ watt resistors in this location, but was not 100% certain of this application in all 302b amplifiers. Bill and I believe it is likely that many amplifiers have a 1k ohm resistor in this location from the factory. If this ...
... **note – Bill Baker of Response Audio commented that he commonly uses 1k ohm ½ watt resistors in this location, but was not 100% certain of this application in all 302b amplifiers. Bill and I believe it is likely that many amplifiers have a 1k ohm resistor in this location from the factory. If this ...
Practical Valve Linear Amplifier Construction
... If you have access to one, try Hi-Pot testing the anode circuitry up to 10kV Check blower airflow is adequate by measuring backpressure Gippstech 2004 ...
... If you have access to one, try Hi-Pot testing the anode circuitry up to 10kV Check blower airflow is adequate by measuring backpressure Gippstech 2004 ...
Bass Amp schematic
... Long-tail pair derived from design by Randall Aiken. Added transformer feedback proportionally similar to that on the November, feedback resistor adjusted to keep Ri/ (Ri+Rf) same as November (see Aiken for details). If you want to be exact, use 110K. I used 120K to keep down number of different val ...
... Long-tail pair derived from design by Randall Aiken. Added transformer feedback proportionally similar to that on the November, feedback resistor adjusted to keep Ri/ (Ri+Rf) same as November (see Aiken for details). If you want to be exact, use 110K. I used 120K to keep down number of different val ...
Single-Ended Tube-Based Guitar Amplifier
... I was able to find SPICE models for EL34 and 12AX7 vacuum tubes, as well as for an output transformer similar to the one I would be using. Additionally, I obtained a model for the guitar speaker that I already owned, Celestion’s Vintage 30. After incorporating these models into my LTspice netlist, I ...
... I was able to find SPICE models for EL34 and 12AX7 vacuum tubes, as well as for an output transformer similar to the one I would be using. Additionally, I obtained a model for the guitar speaker that I already owned, Celestion’s Vintage 30. After incorporating these models into my LTspice netlist, I ...
characteristics of passive circuit elements (r,l,c)
... Capacitors are classified according to the dielectric material used in their fabrication. The ranges of values available vary from type to type. Some of the commonly encountered types are: Electrolytic (above 1 F), Polyester (0.001-10 F), Paper (0.001-10 F), Mica (0.001-0.1 F) and Ceramic (less ...
... Capacitors are classified according to the dielectric material used in their fabrication. The ranges of values available vary from type to type. Some of the commonly encountered types are: Electrolytic (above 1 F), Polyester (0.001-10 F), Paper (0.001-10 F), Mica (0.001-0.1 F) and Ceramic (less ...
Heathkit of the Month: by Bob Eckweiler, AF6C Heath DX
... The Heath DX-100 has two separate built-in power supplies. The low voltage (LV) supply transformer powers the RF stages up to the final amplifier, as well as the audio stages up to the modulator. It uses a 5V4G rectifier tube in a capacitor input filter with a hearty choke for good regulation and a ...
... The Heath DX-100 has two separate built-in power supplies. The low voltage (LV) supply transformer powers the RF stages up to the final amplifier, as well as the audio stages up to the modulator. It uses a 5V4G rectifier tube in a capacitor input filter with a hearty choke for good regulation and a ...
Single-Ended Audio Output Transformer
... would be approximately twice the worst-case expected operating current. As with any output transformer, the UBT-2 should always have a load connected when driven. If there is no load and the output tube is over-driven, the high inductance of the primary will cause extremely high voltages to be produ ...
... would be approximately twice the worst-case expected operating current. As with any output transformer, the UBT-2 should always have a load connected when driven. If there is no load and the output tube is over-driven, the high inductance of the primary will cause extremely high voltages to be produ ...
PEPETOOLS INTELLIGENT POWER SUPPLY
... device is built upon on transformer-less PC Architecture. The software was coded specifically for the hardware to create a system with intuitive and easily configurable programming* No other devices on the market offers anywhere near the range of features, precision or affordability ...
... device is built upon on transformer-less PC Architecture. The software was coded specifically for the hardware to create a system with intuitive and easily configurable programming* No other devices on the market offers anywhere near the range of features, precision or affordability ...
user`s guide
... Then, in 1907, Dr. Lee de Forest added a third component – the grid – to the "Fleming's Valve" and the vacuum tube was a fact of life. The door to electronic amplification was now open. During World War II, data gleaned from their intensive research on the detectors used in radar systems led Bell Te ...
... Then, in 1907, Dr. Lee de Forest added a third component – the grid – to the "Fleming's Valve" and the vacuum tube was a fact of life. The door to electronic amplification was now open. During World War II, data gleaned from their intensive research on the detectors used in radar systems led Bell Te ...
THE OAK RIDGE AUTOMATIC COMPUTER
... output is at -100 volts. If the switch tube 5687 is cut off, then the regulating tube 12AT7 is allowed to function. The top (-13.5) of the transfer pulse is, accordingly, regulated. One circuit of interest is the unit gain electronic voltage divider. It is composed of two 12AT7's in cascade. The low ...
... output is at -100 volts. If the switch tube 5687 is cut off, then the regulating tube 12AT7 is allowed to function. The top (-13.5) of the transfer pulse is, accordingly, regulated. One circuit of interest is the unit gain electronic voltage divider. It is composed of two 12AT7's in cascade. The low ...
C22 Preamplifier Complete User Manual
... The circuit design is with referenced to the classical McIntosh C22 pre-amplifier. It uses three 12AX7 vacuum tubes for amplification and uses one pentode-triode vacuum tube 6F3P (6BM8) as voltage regulation. Vishay 1N5062 forming a bridge provides for fullwave rectification. The resulted ~300V DC. ...
... The circuit design is with referenced to the classical McIntosh C22 pre-amplifier. It uses three 12AX7 vacuum tubes for amplification and uses one pentode-triode vacuum tube 6F3P (6BM8) as voltage regulation. Vishay 1N5062 forming a bridge provides for fullwave rectification. The resulted ~300V DC. ...
here - DIY Hifi Supply
... 300B, compared to the 8-9 Watt available from more conventional designs. This is further done without unduly stressing the output tube such as by running it at maximum ratings as is often the case with amplifiers designed to offer large output power from a given tube. The Lux91 Mono Max operates at ...
... 300B, compared to the 8-9 Watt available from more conventional designs. This is further done without unduly stressing the output tube such as by running it at maximum ratings as is often the case with amplifiers designed to offer large output power from a given tube. The Lux91 Mono Max operates at ...
Double beam tube
... (b) a suitable stand (c) a power supply capable of giving an H.T output of from 0-300V (d.c. metered) (d) a variable low voltage supply (0 - 25V) (e) two variable low voltage supplies (0 - 6V) (f) leads (g) a pair of Helmholtz coils (h) a ruler (i) an ammeter (0 - 5A) (i) a milliammeter (0 - 20 mA) ...
... (b) a suitable stand (c) a power supply capable of giving an H.T output of from 0-300V (d.c. metered) (d) a variable low voltage supply (0 - 25V) (e) two variable low voltage supplies (0 - 6V) (f) leads (g) a pair of Helmholtz coils (h) a ruler (i) an ammeter (0 - 5A) (i) a milliammeter (0 - 20 mA) ...
Used Eagle LXS / 84 louver and perforated tube high speed
... steel or stainless steel sheets, it forms them around a mandrel then mechanically lock-seams them either internally or ...
... steel or stainless steel sheets, it forms them around a mandrel then mechanically lock-seams them either internally or ...
Lampizator
... Most DACs out there offer the option to have balanced output and by using 4 tubes - we can get XLR outputs as well as RCA's. If you can’t find the DAC datasheet in the www.alldatasheet.com – you can find the legs (V out only) by using a small speaker and a wire with sharp tips. Touch the ground with ...
... Most DACs out there offer the option to have balanced output and by using 4 tubes - we can get XLR outputs as well as RCA's. If you can’t find the DAC datasheet in the www.alldatasheet.com – you can find the legs (V out only) by using a small speaker and a wire with sharp tips. Touch the ground with ...
Technical Specs - Western Electric
... current of 100 milliamperes, provision should be made for adjusting the grid bias of each tube independently, so that the maximum safe plate current will not be exceeded in any tube. Alternatively, a self-biasing circuit may be used, in which the grid bias for the tube is obtained from the voltage d ...
... current of 100 milliamperes, provision should be made for adjusting the grid bias of each tube independently, so that the maximum safe plate current will not be exceeded in any tube. Alternatively, a self-biasing circuit may be used, in which the grid bias for the tube is obtained from the voltage d ...