difference between 5w and 10w speaker

Receive Exclusives-only offers and promos, get notified about new products and innovations and receive a 10 discount on your next order. Overall, 3W lights are the superior option for three reasons: They run cooler than a 5W LED that produces the same light output; Lower heat also leads to better reliability and safety, and lower cost than a comparable 5W LED; and 3W LEDs actually produce more light energy under real-world conditions. The standard outputs include 5W, 10W and 15W. Assume you have two amps; one has a power rating of 10 watts and the other 20 watts. With a deep understanding of the constantly evolving world of consumer electronics, Kern is poised to continue bringing his unique perspective and valuable insights to readers for years to come. If you have one speaker running at 3W, and you stick a 2nd speaker in parallel, they both see the same voltage, they are both running at 3W and you have twice the total power (as long as the amplifier holds-up). For instance a peak measurement will be higher than an RMS one; it is common practice to show Max SPL in peak, but RMS correlates to our loudness perception more than peak. Label on speaker reads "120W(MUSIC), 60W(DIN)." 129. It depends and you must follow manufacturer recommendations. Some manufacturers offer high-watt speaker, but with poor sound quality. 5W30 is always a synthetic lubricant. From the above example, you see that it takes so much power, wattage, to double the perceived loudness of a speaker. Just waiting on a picoferrad capacitor. The viscosity of 10w-30 is 10 in cold temperature and 30 in high temperature. (Resistance is the resistance to current flow). It may be used at temperatures ranging from -31F to 95F / -35C to +35C (outside temperature). The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup, WE need YOUR suggestions for help text (#1 - "Asking a good question"), WE need YOUR suggestions for help text (#2 - "Draft your question"). All vehicles are designed to handle specific oil weight/viscosities, and this information is usually labeled on the top of the crankcase, typically on the oil cap for convenience. The ChiCom speaker will require several hundred watts to run with that particular JBL,,,And will fry far before it ever gets there. (3) SAE J3oo viscosity grades for engine oil. An AC waveform swings positive & negative, which means [theoretically[/b] you could get +4.5V and -4.5V peak. In a logarithmic measurement unit, a doubled number doesnt necessarily mean that the quality is twice as much. In order to keep your motor protected and running optimally at all times, never use an oil that is outside of the manufacturers stated recommendations. However, when you double the power of the amp and speaker, you only get an increase of 3dB SPL. An oil with a lower 0W viscosity will remain thinner at cold temperatures and flow a little faster during cold-weather starts. It can heavily work in cold weather. The efficiency of a speaker, the number of speakers connected to an amplifier, and distance of the speakers from each other affect the loudness and quality of sound. ** Apple iPhone 8 and later. In summary, you need more wattage if you need to crank up the volume of the speaker. Find exactly what you need with a little help, Musician's Gear Deluxe Dreadnought Case Black, Gear Buying 10w30 oil is thicker than 5w30 oil because it has a higher viscosity in colder temperatures. The lower the first number, the thinner the oil gets at extreme low temperatures. Synthetic oils remain more fluid in cold weather for better protection than their conventional counterparts. What is the technical term for these speakers? Apple Music Library Gone? We assume only folks living in the frigid north need to worry about cold-weather protection. 2023 CNET, a Red Ventures company. The difference between 5W-20 and 10W-40 is that 5W-20 works best in winter while 10W-40 is an oil that is considered to be great for vehicles in hot reigns especially in the summer season. But they will remain more fluid and flow faster in the cold compared to 10W-30. JBL Boombox 2 (I love It, Wife Doesnt Heres Why!). I will be looking forward to get a quick response to this. A speaker is a very inefficient device and unless you can compare SPLs you can't really tell from reading the documents. It it has 188,000 miles. What output is supported by your phone? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. another example 10" 200W top vs. 12" 200W. : The main difference between these two models is the power of the laser module. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Most experts agree that 80% of engine wear occurs during startup (warming-up) the engine. The charger automatically adjusts the power output to the maximum output that your phone can absorb, which is often lower, such as 10W or 5W. Wattage determines the headroom and amp has more than volume it can produce. All vehicles are designed to handle specific oil weight/viscosities, and this . To understand this correctly 8ohms has more impedance thus lower wattage, less decibel range than the 4ohm 3 watts? the 100W amplifier. Wattage ratings on a speaker are a little complicated A 3W speaker is designed to handle a 3W amplifier operating at 3W peak with undistorted program material. Generally, it is best to choose the charger with an output at least equal to what is supported by your device. All the speakers are 12 inch. While you may consider loudness, it is also important to consider the quality of the sound. The challenging issue with speaker wattage is that it lacks a specific definition. all running off 9v battery if that matters. But this is an over-simplified explanation. Your email address will not be published. 5w30 is a SAE 5 when cold and SAE 30 when warm. AmazonBasics 5W Bluetooth 5.0 Speaker, Upto 36 Hrs Playtime, True Wireless Technology, Built in Mic, Multiple Connectivity Modes (Black) 44 #1 Best Seller in Multimedia Speaker Systems 1 offer from 699.00 What is in the box? You could probably burn-out the 3W speaker with constant full-volume test tones, or with a distorted guitar. Then your device will be placed on the charger for a couple of hours, so charging speed is not relevant. <> A steel ball moving from top to bottom indicates the thickness or viscosity of the oil. By checking the specs of your amp and speakers, you can find out whether they're compatible. Why buy a charger with a 10 Watt (W) output if the same charger is available in a 15W version? With respect to preventative maintenance, changing the oil on a regular basis is crucial. All rights reserved. Lets look at 5W-20 vs 5W-30 again. The 20-watt amp is double the power of the 10-watt amp, but doubling the power only translates to an increase of 3 dB SPL. Linear Algebra - Linear transformation question. The number of the oil is showing a lot of different viscosity in high and low temperatures. Assuming you already confirmed your phone supports wireless charging, it may also be interesting to look at some other features of your device. The same principle holds when looking at 0W-20 vs 5W-20 motor oil. You will have better quality sound and your speaker will be safer when the amp is at or below the power rating of the speaker. However, the 10W30 oil will be thicker when it is cold. In modern car engines, we need the oil to be thinner at the time of startup. Ten times the power means doubling SPL. x} #k]rv-DKH>a8s438'}'@z. [" /aV'w^_etc He played a bunch of bass-heavy dub reggae LPs, and the sound was truly spectacular. Thanks. Here is a section from a PDF document for the XSP_A series you linked to: -. Call or Chat for expert advice and to hear 4ohms is better for a low voltage bridged class-D amps, like this bridged class-D stereo amp. What does this mean? The Governor is 102dB and V30 is 100dB, Wizard is 103dB and G12H30 is 101dB, Private Jack is 101dB and Greenback is 98dB. Conclusion - the physically smaller sub will deliver a more "punchy" tight (think rock music) bass, while the bigger sub is more suited for low frequency (think hip-pop and house music) bass. The physical size is very closely related to the sound, for example to get a good bass response you need to be able to physically move a lot of air - so the only way to do this is with a large speaker. Sign in to see your saved items. 8 ohm requires more voltage for the same Watt, but 4 ohm requires thicker wires and good connections between the amplifier output and the speaker. W indicates winter or cold and thats why it is shown here in blue color. However, you may want to trade tonal accuracy for sound pressure, certainly for very low bass. Some automakers are even recommending 0W-16 to achieve even better fuel-economy gains. A large cabinet will fit a lot of small speakers, only, these together will generally be more expensive and heavier than a single large one. Assume you have a speaker with a sensitivity rating of the 80dB at 1W/1m and has a power rating of 90 watts. 10w30 must change after 5K KMs running 0W oils are becoming more popular because they help improve fuel economy due to their lighter cold-weather viscosity, which reduces pumping losses. 0. Meet Kern Campbell, a tech-savvy writer with a passion for consumer electronics and gadgets. When looking at 5W-30 vs 10W-30, they both provide the same viscosity at operating temperature, as indicated by their identical 30 ratings. But how do you find the right wireless charger for your devices? How to Check Transmission Fluid Without Dipstick, Check the SAE Viscosity chart called SAE J300 standard. Remember, in order to sound "twice as loud," you need an increase of 10dB, so while a 20W amplifier will sound noticeably louder than a 10W amp, it will not sound twice as loud. Will one have more bass? It takes power to move the cone up and down, and the bigger the material, the more power it takes - therefore, if the power is the same, the bigger sub will be less responsive. These authorities include Electronics Industries Alliance, Audio Engineering Society, and the International Electrotechnical Commission. If you only listen to your speaker at comfortable volumes, you never have to worry about the wattage as the amp will never use more than 20 watts. Additionally, there are some exceptions. Life has moved on, but one thing that hasn't is my passion for finding just the right gadget for the job. As a guide, synthetic 10W-30 may run 10,000KMs or more if recommended by the manufacturer. %PDF-1.4 If you hold all. When looking for a Qi wireless charger, you will see that one of the differences between the available chargers is the output. Of course, certain high-performance oil types are made to withstand extreme conditions, including temperature, aggressive driving, dusty/dirty climates, etc. Audio needs some tweeking to filter out the noise. Thanks. As you still seem to wonder about differences in sound between different speaker sizes: The speaker diameter is not directly related to how much bass you can get. The standard outputs include 5W, 10W and 15W. No wiring changes to the speaker circuits are required. Audio interface monitoring with 3.5mm cable and computer speakers, Macbook's DAC vs external / in-speaker DAC. This is either by means of the system used for measurements, or by the way information is presented. The way manufacturers cheat is that a speaker with: The specification is still valid, but 30Hz may be produced at a level 10 dB below, say 80Hz. That being the case, when comparing 5W-20 or 5W-30 vs 10W-30,the 5W oils will flow faster in cold weather, as indicated by their lower 5W rating. Answer (1 of 6): Strictly answering on the acoustical power and perceived loudness: you can't hear the difference. Sign up and become a Zens Exclusive (together with 5000+ others). That is usually 100C (212F) when the engine is running (in an average engine). For the guitars, we won't notice the difference. Their sensitivity rating is 91dB @ 2.83V, but if your speakers are rated at less than 86 dB @ 2.83V (the lower the first number, the more power the speakers need), buy the most powerful amp you can afford. It is important to notice that the task is to produce "Loud Low Frequencies" - so the cone size also relates to output levels. So what do you need to look for if you want to use fast charging? Music adds life to a social event. That's why iMax theatres employ momentous subs, whereas the dubbing theatres in which films are mixed employ smaller subs. What is the point of Thrower's Bandolier? But, an AC waveform only hits the peaks for an instant, and the RMS (a kind of average) is about .707 times the peak. Limited time. An oil with a higher viscosity at operating temperature provides a thicker lubricating film, which can help improve wear protection. The sensitivity of a speaker will appear as something like 80dB at 1W/1m. Your email address will not be published. If the spec is published, speakers are usually rated for a dBSPL rating with 1W at a distance of 1 Meter. I was looking at a powered speakers catalog here, http://www.soundz.co.za/c792-1/Powered-Speakers.aspx. %%Invocation: path/gs -P- -dSAFER -dCompatibilityLevel=1.4 -q -P- -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sstdout=? Check out this post for more about the differences between synthetic and conventional oil. But this all depends on the TV and quality of the speakers. It literally still runs like brand new. 5W-30 provides a nice balance of cold-weather fluidity and high-temperature protection, which is why its the most widely used and recommended viscosity. 5W-30 and 10W-40 are different lubricants. Some of the add-ons on this site are powered by. Air bubbles are trapped in the test tubes because of the low temperature. Viscosity is the most obvious difference between 5w30 and 10w30 oil. 5w-20 vs 10w-30 The difference between 5w-20 and 10w-30 is that 5w-20 is a thinner grade oil. The Sound Pressure Level, SPL, indicates the loudness of a speaker. The short answer is, if you crave high volume, have wild parties or a huge room, the more, the merrier. Body, No-Fear Gift Suggestions for Picky Musicians, A Hit Sound: Simmons Introduces Titan 50 and Titan 20 Electronic Drum Kits, Clarity and Connectivity: Alto Professional Revamps TrueSonic Loudspeakers, Evolved Music Making: Yamaha Unveils MODX+ Synthesizer, Inspired Tone: The Story of Line 6 Catalyst, Learn, Play, Jam: Positive Grid Spark MINI Delivers Maximum Fun, Making Waves: Mackie's Thump Powered Speakers Refresh, Big Sound in a Small Space With Harbinger's LX Series Mixers, Production Workflow Reimagined With Akai's MPC Key 61. #5. Song:Imagine Dragons - Believer Easy DIY. Different speakers maybe? The 5w30 motor oil is thinner than the 10w40 motor oil. You can increase the SPL measure of a speaker by increasing the power that goes to the speaker. It was recommended that I use either a 4 or 8 ohm speaker. Both 5W-20 and 10W-40 are very beneficial motor oil and also advantageous in fuel economy. The only problem with 5W30 is NOACK (evaporation tendencies of a lubricant (engine oil) at high temperature). It's all about efficiency when it comes to getting sound pressures at a given number of watts. Does wattage affect the loudness and clarity of a speaker? Learn more about Stack Overflow the company, and our products. Orders placed before 3 p.m. If you're unsure about how much or little power your speakers need, check with the manufacturer. ConTeXt: difference between text and label in referenceformat. Both 10W-30 and 5W30 have the same viscosity at 100C (212F), it is the operating temperature of an average engine. So if loudness is a big priority, buy as much power and the biggest speakers you can afford; if you listen at fairly moderate volume, don't worry about your receiver or amplifier's power rating. I haven't came across it, I guess this would be best for the highs? The larger the diaphragm, the more air that can potentially be pumped. See this link for more. If good sound doesn't matter, and it is a common amplifier, then 4 ohm is louder than 8 ohm. In this case a standard 5W charger will be more than enough to do the job, even if your phone supports a higher output and/or fast wireless charging. You can see it as the total power that a speaker can handle from the amplifier or see it as the amplifier power that a speaker needs. Thicker oil provides better lubrication for your vehicle's engine parts. But, you'll get some "drop" through the amplifier so you won't get the full voltage, and the 9V battery can't supply that much power (voltage and current at the same time) and you'd be lucky to get 1W. Also - i know there is allot more to be said on the subject if one delves deep into the differences, this is just an oversimplified view by a novice (me) to try and make sense of a subject that has quite a steep learning curve. In order to understand that you first need to know that when operating normally, most amplifiers are "voltage limited", and like most electronics, they are "constant voltage"* devices. In the deep bass range, an 18" will generally work fine and cheaply provide the large power you need down there. Again, if you play the speaker so loudly that you hear distortion, it might end up burned. Therefore, drivers who live in colder climates or those prone to near or below freezing temperatures during the winter months, are advised to use a thin grade oil (e.g. 25, 50, 100 or more watts, or maybe a lot less; the Audiophiliac ponders the wattage question. Why proper charging solutions are essential in hotels, restaurants and bars. %%+ -dEmbedAllFonts=true -dSubsetFonts=true -dCompressFonts=true -dNOPAUSE -dQUIET -dBATCH ? Trying to understand how to get this basic Fourier Series, Linear regulator thermal information missing in datasheet. Granted, you need better quality speakers and not necessarily high wattage speakers. If you multiply the original power by ten, so the speaker is powered by 10W, the SPL increases to 90dB. Shop, Hollow & Semi-Hollow When shopping for a speaker, you might want to know what it takes to enhance the loudness of a speaker. The class of the amplifier design affects the efficiency of the amplifier, thus with some designs you can get higher output levels with less input power. But 10w40 oils have an added advantage; they typically offer more protection than lighter oils. It's not enough on its own, since it might be dire quality, but in general you want a higher number. As per API recommendations (1) for car engines, you can use 10W30 oil if the maximum expected outside temperature is above -18C (0F). PS5 Trophies: Where They Are And How To Find Them. P = V2/Impedance (This one is handy for amplifiers & speakers.) OrganicTimbre said: Well the difference between 5W and 12W is ~4dB and it takes 10dB to perceive a doubling of volume. The differences begin at the molecular level. If you need a speaker that operates excellent at low power, you need one that is more sensitive. purchase from Musician's Friend (electric or acoustic, New or Open Box) includes two years of Basically it says more voltage = more current, and more resistance = less current. 10W-40 has higher viscosity when the engine is running than the 5W-30. 1,215. Interviews & protection from manufacturer defects. Why Is My iPhone Keyboard Split In Half? How should I choose the device power? No changes to the power taps on the speaker transformers are required. If you cut the impedance in half, you get twice the power. Often we say that a speaker has "flat" frequency response within a specific range, where "flat" means a certain error is allowed (3dB, for instance). - the incident has nothing to do with me; can I use this this way? 5W has lower viscosity when cool and is considered better for the car engine during engine start. It is, however, somewhat thicker than 5W20 at higher temperatures. rev2023.3.3.43278. Do Not Sell or Share My Personal Information. I highly suggest using a home cinema or sound bar if you want quality sound, as most TVs don't have good speakers nowadays. fully synthetic vs. conventional), the longer you can go without changing it. Troy Bilt super bronco 50 xp riding mower says use 10w30. How do you get out of a corner when plotting yourself into a corner, Styling contours by colour and by line thickness in QGIS, More inches = better bass response (potentially). What I can say is that for any given speaker, if you double the power into it you get about 30% more perceived loudness. The dimension of inches more than likely relates to the smallest dimension of the speaker enclosure and basically if you want more power, you need something that is bigger. The different rating standards confuse the end user, and that is why most people do not understand wattage and how it is arrived at. When you have more amplifier and speaker power, it means that your speakers can play loud without distortion. Is the God of a monotheism necessarily omnipotent? How do/should administrators estimate the cost of producing an online introductory mathematics class? You can, therefore, choose wattage depending on how loud you need your speaker to be. As you still seem to wonder about differences in sound between different speaker sizes: The speaker diameter is not directly related to how much bass you can get. Find below is the specification of the products being requested. The amp is supposedly able to push 8 watts, I have yet to test this. Volume capability was healthy, but his room was pretty small, maybe 12 by 16 feet. Spectrum Internet Keeps Dropping: Quick Fix In Minutes! Required fields are marked *. Given in dBSPL, typically at 1 meter away from the speaker, this is an indicator of how loud the speaker can get. Wattage comes cheap, but quality comes very expensively. Did you know this site is reader-supported? to guide you through your entire shopping experience. Every guitar or bass you But If the 4 ohm is build with less quality, then the 8 ohm is better DVDdoug January 30, 2016, 4:38pm 3 Practically, each manufacturer tweaks these two variables together with many others, like magnet size, cone depth and the cabinet (enclosure) design itself. Laboratory tested and proven on the road. Edit: A note about sensitivity. 5W is a good starting point when choosing an oil, as it means the oil will be runny when the engine starts, helping it to move more quickly through the system. When considering 5W-20 vs 5W-30, they are the same viscosity when the engine is cold. The 5W-20 will have a lower viscosity and provide less resistance than the 10W-30 at both start-up and normal engine operating temperatures. With an undergraduate degree in Computer Information Systems and marketing paired with a Master's in Business Administration, Kern brings a unique blend of technical expertise, business acumen, and personal experience to his writing. Klipsch offers a wide range of highly sensitive speakers that can make a big sound with 10 or 20 watts, and its RB-41 II bookshelf speakers are downright affordable. An efficient speaker should convert most of the energy to audio energy and not heat. I am by no means an expert, and have only just started "looking into" sound, having to "size" a system for my new car (previous car was bought with sound already installed) anyway, from what i understand (having spoken with 2 friends who installs sound for a living) is that all things being equal (i.e: same brand, same RMS watts) with the only difference being cone size (10 inch vs 12 inch for example), you will find that the 12 inch is less responsive. At 100C (212F), the viscosity or resistance to flow is almost the same for both 5W30 and 10W30. However, the larger the pump, the more resistant to moving the air it will be. Is it a small class-D amplifier ? All that matters is that your device is fully charged when you wake up. Then the filter is either for 8 ohm or 4 ohm. Speakers, for their part, typically have ohm ratings of between 4 and 8. But I guess that the drumset will be bad monitored. The higher the number, the greater the oils resistance to flow and the higher its viscosity. ? If good sound doesn't matter, and it is a common amplifier, then 4 ohm is louder than 8 ohm. JavaScript is disabled. Ok or not to use 5w30 in northeast Texas? There are no significant damages, but the main difference is between the 5w30 motor oil and the 10w40 motor oil is the viscosity difference at specific temperatures. Then you mix in speaker sensitivity and there's really no point in thinking about it. Before we go any further, let's be clear on what amplifier power provides: it defines the upper limit of how loud your speakers can play without distorting. You may find others rated 10 watts of less, but with good quality. Yes, you can use fully synthetic 10W-30, But you still have to check owners manual to verify the recommendations by the engine manufacturers. We want our website to best suit your needs. Shown in the video are 5W30 and 10W30 engine oils in tubes at 100C (212F). Orders, Shipping, Tracking, Your Account Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio salesman, and as a record producer. Some users associate watts with how loud a speaker sounds. For a deep dive on what happens if you use the wrong viscosity of oil, check out this post. my 5 watt Victoria is approximately the same loudness as my 12 watt Victoria. Only if the speakers have equal efficiency. May 3, 2017. So both the oils 5W30 and 10W30 have exactly the same viscosity (SAE 30) when your engine is running, and will perform in the same way. The thickness of 10W-30 is much higher, as shown in the video demonstration. For a better experience, please enable JavaScript in your browser before proceeding. In terms of a speaker, that means more electro-mechanical force is needed to move the speaker, shift the air and then pull it in the opposite direction again, many times a second. According to API motor oil guide [1], you can use the 10w30 if the lowest expected outdoor temperature is above -18C and you are following the manufacturers recommendations. I see online a 8ohm 1 watt and 4ohm 3 watt speaker. For example, the spaces between the crankshaft journals and main bearings are smaller. How To Restore Apple Music Library [2023]. This enables the 5w20 motor oil to reach engine parts quicker and create less drag that reduces fuel economy. You can switch the 80dB at 1W/1m speaker with a 100dB at 1W/1m speaker. Recommending lighter-viscosity oil, such as 5W-20, helps protect modern engines with tighter tolerances while promoting improved fuel economy. Ken Scales Auto advises Oregon residents to change install 5W motor oil before the first freeze, especially for folks who live in the eastern part of the state. Most hobbyists still use the ancient LM386. Most important for that is the cabinet size: without a cabinet, for any speaker most of the air will just "flow around" from front to back vice versa, if given enough time; so some distance away you basically get only high-frequency . Klipsch RB-41 II bookshelf speakers Klipsch Klipsch offers a wide. The primary difference between 5W-20 vs 5W-30 is their viscosity once your engine has reached operating temperature. It's more fuel-efficient, has a quicker flow rate, and is better suited to colder areas. Comment * document.getElementById("comment").setAttribute( "id", "a52b9f9d62231238f7d7aab4597ad98e" );document.getElementById("d1d327f8af").setAttribute( "id", "comment" ); Save my name, email, and website in this browser for the next time I comment. The first number (5W) refers to the oils viscosity when cold, measured at 40C (104F). So, due to viscosity, 5w20 is a thinner oil during operating temperatures, whereas 5w30 is thicker during . Oil thats too thick can cause precious seconds to pass when little-to-no oil is available to lubricate parts, resulting in wear. Well, more power does not necessarily mean faster charging. Absolutely yes for car engines, 5W-30 is usually synthetic and superior to 10W-30. Voltage = Current x Resistance Such high power will not be ideal for home use. There are so many Bluetooth speakers on the market to choose from. Like I said - im no expert and im sure ill be corrected. Best you can do is generally say higher watts = higher headroom, but even that can vary based on the nature of the circuit. How to use Slater Type Orbitals as a basis functions in matrix method correctly? It can easily mean the difference between your engine going 100,000 or 200,000 miles, not to mention the high cost of repairs that come with increased wear and tear! By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. How many watts make a good speaker? It only takes a minute to sign up. Some manufacturers do not follow the standard and rate speakers based on an informed guess. Watts come cheaply nowadays; sound quality can get expensive. 2"? The best answers are voted up and rise to the top, Not the answer you're looking for? Both have the same viscosity at the operating temperature of an average car engine. Those latter types are generally only suitable for warmer climates. To reproduce a particular frequency, all that a cone needs to do is oscillate at that frequency, regardless of its size. We've never needed to use the choke, never had to top-up the oil (it stays at the full mark), and it has never given a single puff of smoke. The first number is the viscosity at startup of the engine. Years ago, when hiking, friends gave me the nickname "Go Go Gadgets!"

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