Ceiling Speakers and Speaker-Strobes
... and never less than 65 dBA. In sleeping rooms the sound pressure level from an audible signal shall not be less than 75 dBA when any intervening doors between the device and the sleeping room are closed. ...
... and never less than 65 dBA. In sleeping rooms the sound pressure level from an audible signal shall not be less than 75 dBA when any intervening doors between the device and the sleeping room are closed. ...
Grinder Pumps
... The control panel shall be housed in a NEMA 4X thermoplastic enclosure. Panel shall include a visible and audible high water alarm with dry auxiliary contacts, alarm test and silence switch, IEC rated motor contactor, pump disconnect switch, 3 phase overload protection, control power disconnect swit ...
... The control panel shall be housed in a NEMA 4X thermoplastic enclosure. Panel shall include a visible and audible high water alarm with dry auxiliary contacts, alarm test and silence switch, IEC rated motor contactor, pump disconnect switch, 3 phase overload protection, control power disconnect swit ...
Modular Building Controller
... position of the end device. This aids in system startup and troubleshooting to test the equipment operation such as stroking valves and dampers. The manual override is supervised so the central operator is informed that an output is in the override position. A point log report indicates override pos ...
... position of the end device. This aids in system startup and troubleshooting to test the equipment operation such as stroking valves and dampers. The manual override is supervised so the central operator is informed that an output is in the override position. A point log report indicates override pos ...
R-100 OEM Pockels Cell Driver For BBO Pockels Cell Laser Pulse
... This equipment must only be used by qualified personnel. This device produces 2.5kV high voltage pulses. Normal precautions for working with high voltage circuits must be followed. When operating in a laser, this equipment is part of a system that generates high energy pulses of laser light that can ...
... This equipment must only be used by qualified personnel. This device produces 2.5kV high voltage pulses. Normal precautions for working with high voltage circuits must be followed. When operating in a laser, this equipment is part of a system that generates high energy pulses of laser light that can ...
P84327
... mounted to a NEMA galvanized steel enclosure, 10"W X 10" L X 6"D. The Strobe is mounted to a 4" deep backbox, which is then mounted to the steel enclosure. Speakers and Strobe are pre-wired to the internal terminal block. The speakers can be wired for one or two speaker circuit operation. The STH-15 ...
... mounted to a NEMA galvanized steel enclosure, 10"W X 10" L X 6"D. The Strobe is mounted to a 4" deep backbox, which is then mounted to the steel enclosure. Speakers and Strobe are pre-wired to the internal terminal block. The speakers can be wired for one or two speaker circuit operation. The STH-15 ...
MAGNE-SONICS® SERIES 200 Vibrating tuning fork Liquid level
... times through a lens in the cover. The LED will flash (once per second) when the 200 Series is ‘off’ and will be constantly lit when the 200 Series is ‘on’. The LED gives an indication that the 200 Series is functioning correctly and of course gives a local visual indication of the state of the wets ...
... times through a lens in the cover. The LED will flash (once per second) when the 200 Series is ‘off’ and will be constantly lit when the 200 Series is ‘on’. The LED gives an indication that the 200 Series is functioning correctly and of course gives a local visual indication of the state of the wets ...
Owners Manual - Frenzel Tube Amps
... PRESENCE – boosts the high frequency range and gives the amp more bright punch. Set at ½ for initial setting. (Please note that a slight scratchy noise is normal as the Presence control is adjusted. This is caused by the DC cathode current running through the contacts. It only occurs when the contro ...
... PRESENCE – boosts the high frequency range and gives the amp more bright punch. Set at ½ for initial setting. (Please note that a slight scratchy noise is normal as the Presence control is adjusted. This is caused by the DC cathode current running through the contacts. It only occurs when the contro ...
EEEE 381 Lab 6 Frequency Response - RIT
... (1) Measure the magnitude and phase at the output of the two-stage CMOS amplifier, varying the frequency of the small-signal input (shown as 1 kHz in Figure 2). The frequency of vsig should be varied from 1 kHz to a frequency that is sufficiently high to ensure that the magnitude of the voltage gain ...
... (1) Measure the magnitude and phase at the output of the two-stage CMOS amplifier, varying the frequency of the small-signal input (shown as 1 kHz in Figure 2). The frequency of vsig should be varied from 1 kHz to a frequency that is sufficiently high to ensure that the magnitude of the voltage gain ...
IMPORTANT SAFETY INSTRUCTION IF 1637 Solar Recombiner, Array Fuse, Disconnect Box
... The recombiner box output design current is determined by: (total PV module Isc x 125%) divided by a temperature correction factor. Select the appropriate temperature correction factor from the NEC. See NEC Articles 310.15 and 690.31 for proper wire sizing. ...
... The recombiner box output design current is determined by: (total PV module Isc x 125%) divided by a temperature correction factor. Select the appropriate temperature correction factor from the NEC. See NEC Articles 310.15 and 690.31 for proper wire sizing. ...
Gordon Brockhouse talks to Sunfire`s Bob Carver Few figures have
... frequency driver with a voltage source. Most people who have panel loudspeakers bi-wire them using that suggestion, and they like it better. There’s a sweet glow to the midrange and a soft high end that you associate with tube amps; along with the tightly controlled bass you expect from a good tran ...
... frequency driver with a voltage source. Most people who have panel loudspeakers bi-wire them using that suggestion, and they like it better. There’s a sweet glow to the midrange and a soft high end that you associate with tube amps; along with the tightly controlled bass you expect from a good tran ...
CRE White Paper (JL) 3-19-2009.pub
... everything connected to the amp to sound bad10. Consider that a typical “stress-test” for a Class A/B amplifier is to connect it to a 2uF load and see if it remains stable at reasonable levels. The capacitive nature of the piezo is causing the amplifier to be under a “stress-test” at high frequencie ...
... everything connected to the amp to sound bad10. Consider that a typical “stress-test” for a Class A/B amplifier is to connect it to a 2uF load and see if it remains stable at reasonable levels. The capacitive nature of the piezo is causing the amplifier to be under a “stress-test” at high frequencie ...
Mackie Fussion 3000 Owner`s Manual
... There is a Main Input with a Loop Out for connecting to other enclosures. Additionally, there is a Sub-Out connector for connecting to the FUSSION 1800AS active subwoofer system. This output incorporates low-pass and subsonic filtering as well as complete amplifier protection for delivering a line-l ...
... There is a Main Input with a Loop Out for connecting to other enclosures. Additionally, there is a Sub-Out connector for connecting to the FUSSION 1800AS active subwoofer system. This output incorporates low-pass and subsonic filtering as well as complete amplifier protection for delivering a line-l ...
roadhouse 30
... valve heaters are allowed to warm up before the high voltage is applied to them - allow 30 seconds or so in this position to prolong valve life. In the ‘On' position, the amplifier is ready to play). From left to right: Mains inlet socket (this accommodates a standard IEC mains lead. The mains fuse ...
... valve heaters are allowed to warm up before the high voltage is applied to them - allow 30 seconds or so in this position to prolong valve life. In the ‘On' position, the amplifier is ready to play). From left to right: Mains inlet socket (this accommodates a standard IEC mains lead. The mains fuse ...
KR400S USER MANUAL - english version PRELIMINARY
... connected KR400 modules with a power output of 1800W in each channel. All the specific functions for the KL21ma, such as crossovers, frequency, phase response, and driver protection are determined by a DSP processor installed inside the amplifier. The devices have three different types of audio sign ...
... connected KR400 modules with a power output of 1800W in each channel. All the specific functions for the KL21ma, such as crossovers, frequency, phase response, and driver protection are determined by a DSP processor installed inside the amplifier. The devices have three different types of audio sign ...
vs Guiderev3
... the waveform is impacted by physical conditions such as port turbulence and diffraction. KRK engineers implement design concepts that eliminate or minimize ...
... the waveform is impacted by physical conditions such as port turbulence and diffraction. KRK engineers implement design concepts that eliminate or minimize ...
Section H2: Preliminary Material
... –3dB ( = 20 log 1 2 ), of the midrange value. All frequencies below fL (ωL) are considered to be in the low frequency range, while those above fH (ωH) are in the high frequency range. Rather than try to include all the effects of all possible capacitances at one time, which is virtually impossible t ...
... –3dB ( = 20 log 1 2 ), of the midrange value. All frequencies below fL (ωL) are considered to be in the low frequency range, while those above fH (ωH) are in the high frequency range. Rather than try to include all the effects of all possible capacitances at one time, which is virtually impossible t ...
Busbar Trunking System
... feeding loads upto 400A with standard plug-in boxes. The system has provision of 4 Plug-in outlets per meter, which can be fitted quickly and provide total flexibility for any change in distribution layout at a later stage. The system has been designed especially for installations and projects where ...
... feeding loads upto 400A with standard plug-in boxes. The system has provision of 4 Plug-in outlets per meter, which can be fitted quickly and provide total flexibility for any change in distribution layout at a later stage. The system has been designed especially for installations and projects where ...
DS507 Manual - Dyne Systems
... Create knock-out holes in the appropriate locations using a knock-out punch driver. ...
... Create knock-out holes in the appropriate locations using a knock-out punch driver. ...
Modification of a Tube Amplifier
... guitar. My first plan was to build an amplifier from scratch. After looking up various schematics and build lists online, it became apparent that this would be prohibitively expensive, costing around five hundred dollars minimum. Next, I looked in to gutting an amp that I already had and reusing the ...
... guitar. My first plan was to build an amplifier from scratch. After looking up various schematics and build lists online, it became apparent that this would be prohibitively expensive, costing around five hundred dollars minimum. Next, I looked in to gutting an amp that I already had and reusing the ...
H420/HA335
... The power Mosfet inside the driver can actually operate within +18V－+40VDC, including power input fluctuation and back EMF voltage generated by motor coils during motor shaft deceleration. Higher voltage will damage the driver. Therefore, it is suggested to use power supplies with theoretical output ...
... The power Mosfet inside the driver can actually operate within +18V－+40VDC, including power input fluctuation and back EMF voltage generated by motor coils during motor shaft deceleration. Higher voltage will damage the driver. Therefore, it is suggested to use power supplies with theoretical output ...
SpectrAlert® Advance Indoor Selectable Output Speaker Strobes
... allows the installer to pre-wire mounting plates and dress the wires before plugging in the speakers. The plastic cover prevents nicked wires by covering exposed speaker components. This design also allows faster installations with instant feedback to ensure that wiring is properly connected, rotary ...
... allows the installer to pre-wire mounting plates and dress the wires before plugging in the speakers. The plastic cover prevents nicked wires by covering exposed speaker components. This design also allows faster installations with instant feedback to ensure that wiring is properly connected, rotary ...
SP2 Series Wall‑mount Speaker Strobes
... ▶ Compatible with 25 V or 70.7 V distribution amplifiers ▶ Dual voltage in one unit (12 V and 24 V) ▶ Selectable candela settings of 15 cd and 15/75 cd for the 12 V model and 15, 15/75, 30, 75, and 110 cd for the 24 V model ▶ Synchronizable with the MDL Sync•Circuit Module ...
... ▶ Compatible with 25 V or 70.7 V distribution amplifiers ▶ Dual voltage in one unit (12 V and 24 V) ▶ Selectable candela settings of 15 cd and 15/75 cd for the 12 V model and 15, 15/75, 30, 75, and 110 cd for the 24 V model ▶ Synchronizable with the MDL Sync•Circuit Module ...
A Trigger System with High Voltage Isolation for
... The semiconductor switches are the main elements of all kind of power converters or pulse power supply design. So, the trigger pulses to control these switches play most important role in these designs. There are a number of research papers related to these designs based on different topologies. But ...
... The semiconductor switches are the main elements of all kind of power converters or pulse power supply design. So, the trigger pulses to control these switches play most important role in these designs. There are a number of research papers related to these designs based on different topologies. But ...
Design and Evaluation of Electronic Circuit for Plasma Speaker
... The frequency level response of the plasma speaker (figure 16) shows a strong response in the frequency range upwards of 2 kHz. Above 10 kHz the response decreases, which is attributed to the low pass filter on the amplifier circuit. The low frequency level response is poor. For the THD result of th ...
... The frequency level response of the plasma speaker (figure 16) shows a strong response in the frequency range upwards of 2 kHz. Above 10 kHz the response decreases, which is attributed to the low pass filter on the amplifier circuit. The low frequency level response is poor. For the THD result of th ...
Loudspeaker enclosure
A loudspeaker enclosure or loudspeaker cabinet is an enclosure in which speaker drivers and associated electronic hardware, such as crossover circuits and amplifiers, are mounted. Enclosures may range in design from simple, rectangular particle-board boxes to very complex cabinets that incorporate composite materials, internal baffles, horns, ports and acoustic insulation.The primary role of the enclosure is to prevent sound waves generated by the rearward-facing surface of the diaphragm of an open driver interacting with sound waves generated at the front of the driver. Because the forward- and rearward-generated sounds are out of phase with each other, any interaction between the two in the listening space creates a distortion of the original signal as it was intended to be reproduced. Additionally, because they would travel different paths through the listening space, the sound waves would arrive at the listener's position at slightly different times, introducing echo and reverberation effects not part of the original sound.The enclosure also plays a role in managing vibration induced by the driver frame and moving airmass within the enclosure, as well as heat generated by driver voice coils and amplifiers (especially where woofers and subwoofers are concerned). Sometimes considered part of the enclosure, the base may include specially designed ""feet"" to decouple the speaker from the floor.