6C33C-B (RU) – 6S33S-V
... - data of actual valves may deviate because of manufacturing tolerances, ageing, transport damage or unannounced variations in product specification or execution by the manufacturer(s). The author does not accept any responsibility and/or liability for damage or injury inflicted on any party based o ...
... - data of actual valves may deviate because of manufacturing tolerances, ageing, transport damage or unannounced variations in product specification or execution by the manufacturer(s). The author does not accept any responsibility and/or liability for damage or injury inflicted on any party based o ...
super sport manual
... remove the back cover of the amp. You will find the tubes packaged tightly on the left side of the Amp. Carefully remove the package and remove the tubes. You will have three preamp tubes and four power section tubes. Power Section Tubes: Tubes are marked with tube ratings! Use this number to re-ord ...
... remove the back cover of the amp. You will find the tubes packaged tightly on the left side of the Amp. Carefully remove the package and remove the tubes. You will have three preamp tubes and four power section tubes. Power Section Tubes: Tubes are marked with tube ratings! Use this number to re-ord ...
August - DVHRC
... Another idea for keeping the old weak 6XX tube in place and not tearing into the filament circuit is to use a source of B+ supply for the tube that is higher than what is normally supplied. Look for this higher voltage at the audio output screen grid, or even directly from the cathode of the power s ...
... Another idea for keeping the old weak 6XX tube in place and not tearing into the filament circuit is to use a source of B+ supply for the tube that is higher than what is normally supplied. Look for this higher voltage at the audio output screen grid, or even directly from the cathode of the power s ...
Quality Control Parameters
... Detect bad tubes by measuring the singles rates as function of the applied high voltage. In shipping box, no extra ground shield but AL foil in box is connected to tube/HV ground. The HV is decoupled with a 1nF HV capacitor. The wire signals are picked up with a 10 KOhm resistor. The discriminator t ...
... Detect bad tubes by measuring the singles rates as function of the applied high voltage. In shipping box, no extra ground shield but AL foil in box is connected to tube/HV ground. The HV is decoupled with a 1nF HV capacitor. The wire signals are picked up with a 10 KOhm resistor. The discriminator t ...
Linear-Beam Tubes (O type)
... the vacuum tube. The degenerate effect becomes more serious when the frequencies are well above 1 GHz. Once the electrons pass the grid , they are quickly accelerated to the anode by the high plate voltage. ...
... the vacuum tube. The degenerate effect becomes more serious when the frequencies are well above 1 GHz. Once the electrons pass the grid , they are quickly accelerated to the anode by the high plate voltage. ...
SRM-007t
... ■ BALANCED CIRCUIT WITH FIRST STAGE LOW NOISE DUAL FET The SRM-007t features a pure balanced circuit with no transformer or inverting amplifier in the signal path. A high quality 4 - Gang volume control is used for the XLR balanced input to minimize sonic degradation. ■ HYBRID DC AMPLIFIER CONFIGURA ...
... ■ BALANCED CIRCUIT WITH FIRST STAGE LOW NOISE DUAL FET The SRM-007t features a pure balanced circuit with no transformer or inverting amplifier in the signal path. A high quality 4 - Gang volume control is used for the XLR balanced input to minimize sonic degradation. ■ HYBRID DC AMPLIFIER CONFIGURA ...
Wheatfield Audio Wheatfield Audio
... Transformer-Less) headphone amplifier. It uses two tubes, each of which has two sections (one for each channel) plus a rectifier tube in the power supply. ...
... Transformer-Less) headphone amplifier. It uses two tubes, each of which has two sections (one for each channel) plus a rectifier tube in the power supply. ...
Bring that old rig back to life
... • Remove tubes (only after you are sure you know where to put them back) • Clean tubes with alcohol so as to not remove markings • Clean chassis with damp cloth and Q-Tips (water or alcohol) • Optional – after sealing transformers, IF cans, chokes and meters w/plastic and masking tape, spray chassis ...
... • Remove tubes (only after you are sure you know where to put them back) • Clean tubes with alcohol so as to not remove markings • Clean chassis with damp cloth and Q-Tips (water or alcohol) • Optional – after sealing transformers, IF cans, chokes and meters w/plastic and masking tape, spray chassis ...
The VDV-6AS7 (The Maurits)
... we are just within limits. The power dissipated by the tube is 245 * .047 = 11.4 Watts, maximum anode dissipation for the 6AS7 is 13 W, a pretty wide margin. Next comes the estimation of power efficiency. The total anode power equals 2 * 11.4 = 22.8 Watts, whereas output power amounts to 7 Watts, yi ...
... we are just within limits. The power dissipated by the tube is 245 * .047 = 11.4 Watts, maximum anode dissipation for the 6AS7 is 13 W, a pretty wide margin. Next comes the estimation of power efficiency. The total anode power equals 2 * 11.4 = 22.8 Watts, whereas output power amounts to 7 Watts, yi ...
multiple choice I
... You double the voltage across 1) Ohm’s law is obeyed since the current still increases when V a certain conductor and you ...
... You double the voltage across 1) Ohm’s law is obeyed since the current still increases when V a certain conductor and you ...
rotaid ptc aed cabinet heater positive temperature control
... requires a temperature controller to give the needed heat and temperature into the AED cabinet. The nature of the PTC heating elements will give the heater slightly different characteristics than a conventional fixed wattage heater. The start power will be higher but will fall quite quickly to some ...
... requires a temperature controller to give the needed heat and temperature into the AED cabinet. The nature of the PTC heating elements will give the heater slightly different characteristics than a conventional fixed wattage heater. The start power will be higher but will fall quite quickly to some ...
CompoTech Case Study
... Until recently, aluminium or steel robotic components have been standard in the automation industry. Car manufacturers, press shops, foundries and other plants have used aluminium booms and grippers, accepting considerable vibration, regular downtime to realign the machines, and unnecessary weight ...
... Until recently, aluminium or steel robotic components have been standard in the automation industry. Car manufacturers, press shops, foundries and other plants have used aluminium booms and grippers, accepting considerable vibration, regular downtime to realign the machines, and unnecessary weight ...
Digital Knight Dual Voltage Heater Conversion Instructions
... 2. Remove the top cover of the heat platen, and loosen the cable clamp so the wires can pass through the heat platen cover freely. 3. There are three female plug connections labeled 1, 2 and 3 on the heating element. There are 2 heater wires, but for 110V there is a Jumper wire that can join two plu ...
... 2. Remove the top cover of the heat platen, and loosen the cable clamp so the wires can pass through the heat platen cover freely. 3. There are three female plug connections labeled 1, 2 and 3 on the heating element. There are 2 heater wires, but for 110V there is a Jumper wire that can join two plu ...
Parallel Gain Stages..
... concluding that the performance of the dual triodes was about the highest with the smaller bottle 12AX7 & 12AU7 tubes at the impedance extremes, and the various well-known choices in between. Maybe I have to figure that with some amps having more power tubes the 12BH7 might sound different than a 12 ...
... concluding that the performance of the dual triodes was about the highest with the smaller bottle 12AX7 & 12AU7 tubes at the impedance extremes, and the various well-known choices in between. Maybe I have to figure that with some amps having more power tubes the 12BH7 might sound different than a 12 ...
Lee Feder repaired and restored a Fender Twin Reverb Amp
... the amplification circuitry. As Tables 3 and 4 show, the choke voltage, along with the plate and screen voltages are all 439 V. According to the original schematic, the plates should have the same voltage as the choke since they draw from the same power source with no interruptions. The screen, use ...
... the amplification circuitry. As Tables 3 and 4 show, the choke voltage, along with the plate and screen voltages are all 439 V. According to the original schematic, the plates should have the same voltage as the choke since they draw from the same power source with no interruptions. The screen, use ...
Testing LCD displays
... have heaters at the end to ionize the gas inside the tube. HCFL have heaters that run at a few volts to heat the gas up. Once heated and ionized it conducts and the starter cuts out of the circuit. CCFL lamps have no heaters. To ionize the gas we apply a high voltage. The voltage depending on the le ...
... have heaters at the end to ionize the gas inside the tube. HCFL have heaters that run at a few volts to heat the gas up. Once heated and ionized it conducts and the starter cuts out of the circuit. CCFL lamps have no heaters. To ionize the gas we apply a high voltage. The voltage depending on the le ...
VK-32SE - Music Direct
... The strength of the VK-32SE starts with its immense power supply, in dual mono configuration, using separate, oversized toroidal power transformers for each channel. The power supply generates symmetrical high voltage rails for the active gain stage, allowing it to operate linearly and with low dist ...
... The strength of the VK-32SE starts with its immense power supply, in dual mono configuration, using separate, oversized toroidal power transformers for each channel. The power supply generates symmetrical high voltage rails for the active gain stage, allowing it to operate linearly and with low dist ...
TAD-Datenblatt_RT043_12BH7A-STR_310113
... 12BH7A-STR TAD Premium Selected High Performance Medium-Mu Twin Triode The all-new TAD 12BH7A-STR combines the best sonic and mechanic performance of the NOS RCA black plate with the GE version. A maximum of reliability with outrageous tonal quality makes the new TAD 12BH7A-STR the first choice for ...
... 12BH7A-STR TAD Premium Selected High Performance Medium-Mu Twin Triode The all-new TAD 12BH7A-STR combines the best sonic and mechanic performance of the NOS RCA black plate with the GE version. A maximum of reliability with outrageous tonal quality makes the new TAD 12BH7A-STR the first choice for ...
HotShot Power Supply Kit
... The power supply in this kit should only be used on the 18” HotShot blankets. This is a wire wound transformer that is really tough. Electronic ‘switching’ transformers are subject to damaging line voltage surges that a wire wound transformer simply ignores. Installers should note that this is a SAF ...
... The power supply in this kit should only be used on the 18” HotShot blankets. This is a wire wound transformer that is really tough. Electronic ‘switching’ transformers are subject to damaging line voltage surges that a wire wound transformer simply ignores. Installers should note that this is a SAF ...
Users Manual
... the entire vocabulary, authority, and responses down to 2 or 3 watts. This feature makes Lil’ Elvis an outstanding recording, small club or large stage amp especially when in-ear monitors are required for your gig. ...
... the entire vocabulary, authority, and responses down to 2 or 3 watts. This feature makes Lil’ Elvis an outstanding recording, small club or large stage amp especially when in-ear monitors are required for your gig. ...
Pure Tube Guitar Head 15W/8 Ohm , MV-3H type Big
... (CCCP), the so-called NOS (new, old stock), produced for military purposes (high mechanical strength and long life, better performance than the current production), or to order for other companies producing out of the lamp. We recommend the version with the preamplifier to the Soviet triodes with a ...
... (CCCP), the so-called NOS (new, old stock), produced for military purposes (high mechanical strength and long life, better performance than the current production), or to order for other companies producing out of the lamp. We recommend the version with the preamplifier to the Soviet triodes with a ...