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Topic: Push-pull configuration

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Pi Speaker Forum - Re: Push-pull configuration - Adam, November 09, 2003 at 21:01:48 In Reply to: Re: Push-pull configuration posted by Frode on November 09, 2003 at 08:10:26: The one other issue with push pull is midrange interaction with the basket, however it may not be a big deal in this situation. I've run push-pull configs before, I didn't really notice a difference in sound. www.audioroundtable.com /PiSpeakers/messages/12966.html

Pi Speaker Forum - Re: Push-pull configuration - Frode, November 09, 2003 at 08:10:26 If you're going to use two drivers anyway, it's probably best to use them push-pull. But buying an extra driver just to make it possible to use PP configuration, is not worth the cost. If I'm going for two drivers later, I can always put another 7Pi on top on the first one and try PP. www.audioroundtable.com /PiSpeakers/messages/12962.html

Child Passenger Safety Technical Encyclopedia Be careful with some belt guides that may allow the child to lean forward and/or pull the belt out but have enough friction to keep it from automatically retracting again, as loose belts can result in injuries. Pushing the top toward the rear of the v These guides hold the lap belt low and flat across the child's upper thighs, while the same guide on the buckle side also pulls the shoulder belt toward the child and makes the belt angle more vertical. www.new.carseat.org /Technical/tech_update.htm

Primare - Primare A30.2 Dual Mono Power Amplifier with FREE mains cable ... by Primare from eDirectory.co.uk online shop Each uses four ultra-fast bi-polar output devices in a push-pull configuration to preserve perfectly the fidelity of musical transients and minimize distortion. The A30.2 is a dual-mono design, which means each channel has its own identical, dedicated mono amplifier incorporating a heavy-duty custom-made toridial transformer and low noise regulated power supplies. Each employs a low level of negative feedback, which is crucial to the reproduction of music in its natural state.For even higher fidelity, the A30.2 can be easily converted to balanced mono operation. www.edirectory.co.uk /pf/static/880/mi/301/p1649301.html

Patent 4385263: Television receiver, push-pull inverter, ferroresonant transformer power supply synchronized with horizontal deflection Transistors Q1 and Q2 are arranged in a push-pull configuration, being alternately switched into conduction to apply the DC input voltage V.sub.i alternately across primary winding sections 29a and 29b. To develop alternating output voltages across the output windings 29e-29g from the DC voltage V.sub.i applied to primary winding sections 29a-29b, an inverter 70, configured as a push-pull arrangement, is desirable to prevent the leakage inductances of ferroresonant transformer 29 from unduly stressing switching transistors Q1 and Q2 during the switching transitions. Push-pull inverter 70 comprises inverter switching transistors Q1 and Q2 and a turn-off control circuit 71 for applying a negative, turn-off switching signal to the bases of transistors Q1 and Q2 through diodes 32 and 33, respectively. www.freepatentsonline.com /4385263.html

Bob's Push-Pull 2A3 amp An other *interesting* feature of this transformer ratio is that if I simply pull out one tube from each channel I am left with a Single-ended amp with a 3k load. The driver stage is comprised of a both halves of a 6SN7 octal dual medium-mu triode, also in a differential amp configuration, with a 4.7ma constant current cathode load. The input stage is comprised of a both halves of a 6SL7 octal dual hi-mu triode in a differential amp configuration with a 1ma constant current cathode load. www.geocities.com /TimesSquare/1965/project.html

Special Designs This transformer is specially designed for two 211 or Svetlana SV572 triodes in Push Pull configuration, grid driven into the positive cathode-grid voltage region. This Push Pull output transformer is designed specially for speakers with impedances of 8 Ohms and 16 Ohms. The -3dB frequency range is up to 131 kHz offering excellent application of this transformer in a medium power push pull amplifier. www.plitron.com /pages/Products/Audio/special.htm

WINS Pull means to "pull in." I would have to press the "Send Replication Now" push button (push trigger) on 128.1.1.1 to 128.2.1.1 for the 128.2.1.1 database to get the 635 version. Push / Pull Replication Test #4 ( Bottom line: to enable replication - BOTH WINS servers must be configured as "Replication Options" Push Partner checkbox checked and Pull Partner checkbox chekced) Push / Pull Replication Test #3 (setting up "push / push" replication options on both servers) www.alternative.ca /tcpip/wins.html

www.onrgallery.com The train runs in a "push-pull" configuration for the hour long trip with an Engineer and Brakeman on each end. Seen here is FP7au 2001 patiently waiting it's tail end ride west as passengers can be seen in the background loading up for the trip. The Santa Claus Express fires up for another journey to Driftwood on the Kapuskasing Subdivision to pick up Mr. www.onrgallery.com /feb03a.html

Push-Pull Systems Based on the planetary feeder, we have developed a modular system which allows for a multitude of configurations. In this configuration it is possible to reach a maximum feeding length of 40m. This head is manufactured with highest precision out of high-tech materials such as titanium. www.satahitsi.fi /tbi/eng/tbipus.htm

Push Pull Controls Push Pull Controls featured items Push Pull Control Parts Online today! Push Pull Controls Custom Wire Rope Assemblies Bargain Offer available for a short time, Push Pull Controls. www.pushpullcontrolparts.com

Making Microsoft Safe for Capitalism by James Gleick Push was the next big thing, according to just about everyone. It just happens that some companies' applications cease functioning -- they "use nonstandard components" and "need special configuration." Those companies violated Microsoft's published guidelines, he says; they have realized their error and are preparing new versions of the software to repair the problem. In the Microsoft version of events, Windows 95 does not "disable" anything. www.around.com /microsoft.html

diyAudio Forums Archive - Power rating for push pull configuration question I am recently in the process of repairing a Bogen Challenger Amp with a push pull configuration of 6AQ5 tubes. In a push pull configuration, wouldn't that be 20 Watts total for the Amp? My question is that the tube characteristics book rates each tube at 10 Watts maximum power output capability. www.diyaudio.com /forums/showthread/t-3356.html

Push Pull All Waddington Feeds are available in push pull configuration Push Pull feeds are used for all types of thin material Select the items that apply, and then let us know how to contact you. www.waddingtonelectronics.com /Push_pull.htm

Subwoofers My initial plans were to use low Q sealed enclosures with two drivers per enclosure in a push pull configuration. Face to Back, out of phase driver configuration for reducing driver distortions Wanting to experiment before cutting wood I put a pair of the drivers into some old AR-3a cabinets that these drivers just happened to fit into. www.teresaudio.com /haven/subs/subs.html

K~Sine Products :::wire bonders... Machined limits prevent overload in both push and pull applications. Cam makes assembly rigid when locked to enable use as "Firing Switch" in West·Bond machines. Used on Nikon SMZ-2B microscope with B-7145.001 adapter nut. www.westbond.com /K~SINE.htm

McIntosh MC1201 Two matched amplifiers with complimentary balanced circuitry operate in a PUSH-PULL configuration. The resulting double balanced configuration cancels virtually all distortion. The MC1201 amplifier is fully double balanced from input to speaker output. www.hipposaudiovideo.com /mc1201.htm

Patent 4446445: Singly terminated push-pull distributed amplifier While this embodiment utilizes a four device per side configuration, the invention is not limited to such construction and five, six or more devices may be coupled on each side of a push-pull amplifier to attain similar advantages. A further advantage of the push-pull configuration is the even harmonics are effectively cancelled since the phase relationships of the "A" side relative to the "B" side are substantially in-phase at those even harmonic frequencies. The savings in output power are significant resulting in improvements in amplifier gain, and the lessened need for substrate area to provide an internal termination resistor or in the alternative, saving the interconnect area to an external resistor providing sufficient resistance to handle 50% of the design load. www.freepatentsonline.com /4446445.html

Push-Pull configuration : RC Universe! The Ultimate RC forum The push configuration will not have any effect on the engine mechanically. Consider what exactly will happen with thrust pushing back on the shaft instead of pulling out on it. The only concern I would have in a push situation would be the flow of direct cooling air, which may be lacking in this situation, nothing els. utopia.rcuniverse.com /rcarchive/157/2003/07/1/147862

Re: Push/Pull driver configuration In turn for this type of configuration, you actually reduce by half the required box volume. This will make one go out while the other pulls in. The way they work is that you "clam-shell" the 2 drivers face to face (in most cases) and reverse the polarity on one of the speakers. www.diysubwoofers.org /talkshop/messages/16530.htm

The educational encyclopedia, power electronics, SMPS, Switch mode power supplies Half bridge convertor half bridge rectifier, this converter design offers the possibility of reducing the size of the transformer by nearly 1/2 compared with the single transistor forward converter, because it's single ended push-pull configuration uses the transformer flux in both directions Flyback power supply design flyback power supply design users.pandora.be /educypedia/electronics/powerelectronicssmps.htm

AWS Polling and Communications In this configuration, Active Workstation QSR is used to push the SDF file to HQ via Kermit communications; that is, the call is initiated by QSR, not HQ. In this configuration (current in test and not released as of 6/14/99), Active Workstation QSR is used to push the file to HQ using a virtual private network (VPN) connection via the internet. This is done using Kermit 95 for Windows or Windows Dial-up networking depending on the configuration. www.geacrsd.com /aws/pollcomm.htm

BB.BC4x4.COM - Front axle disconnect swap to push/pull manual dis/connect? However, Ive heard of ways to modify the motor using a manual choke with a push/pull configuration to engage and dis-engage manually, instead of relying on the motor(i dont want to be stuck in a hole and have 4x4 cut out). I dont want to buy a posi-loc set either as these are rather expensive. I could have sworn there was a page on this forum about doing this, but I cant seem to find it. bb.bc4x4.com /showthread.php?s=67c58ae4cef8680fa538ae5308418813&postid=313659

Smart Convergence However, with the point of 4G technology to be mobile data speeds over 100 Mbps and (perhaps more importantly) the ability to support IP-based voice communications, the separate tracks that emerged from mobile phone operators (mainly W-CDMA or CDMA-based offerings) and from ISPs looking to push mobile data, begin to converge more seriously. Either way, these Asian companies -- both of whom come from countries that have more rapidly adopted wireless broadband than anywhere else in the world -- are clearly the driving forces in pushing these issues forward. This may set off alarm bells for some of the companies in Europe and North America who are used to setting the standards themselves, and then pushing them out to testbeds in Asia. www.smartconvergence.blogspot.com

Audio Trends Ringwood - M&K S-150 THX Surround Loudspeaker System Review It has two 12" drivers mounted in what MandK calls a "push-pull" configuration-that is, one driver mounted in the nonported cabinet conventionally, firing forward, and the other loading into the enclosure, with its rear hanging down toward the floor and its polarity reversed in order to keep the room-radiation in phase. In 1973, MandK (Miller and Kreisel Sound Corporation) more or less invented the satellite/Subwoofer configuration that dominates an entire sector of the loudspeaker market today. It could even be argued that in freeing loudspeakers from the size constraints inherent in full-range designs, Subwoofers made multichannel home theatres possible. www.audiotrends.com.au /closer-look/mk-s-150.htm

American airplanes: Ha - Hu First flown with two engines in push-pull configuration. www.aerofiles.com /_h.html

7044 push-pull amp Unlike Bob's amp, I used 6922's as drivers, in a configuration with a grounded cathode stage driving a split-load phase splitter, which drives the 7044's (two triodes paralleled). Having a bunch of 7044 computer triodes laying around (a lot like a 5687, also 7119/E182CC), and a couple of Hammond 125J's I bough for the EL34 SRPP project, I thought I'd throw together something useful out of them. www.pmillett.addr.com /7044_push-pull_amp.htm

Amp Rack Some people have said that it is not an efficient use of fans when they are used in a push-pull configuration. They've said that it's better to use both for pushing or both for pulling (either of which, they believe, is better than push-pull). The air pressure at the output end of the amp rack in this (push only) configuration is atmospheric pressure. www.bcae1.com /amprack.htm

Push-Pull Controls All configurations of controls exceed the performance requirements of MIL-C-62191, Control Assembly, Push-Pull. The handle (lever) pulls up, and the core is pulled.60 inch. Note: Basic pricing information can be found near the center of this page. www.beechhurst.com /Push_Pull_Controls.shtml

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