October 27th, 2009 
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Vacuum System Tube
Where can I find a reliable cost effective circulation pump?
I am setting up a pumped solar water heating system and need a small circulation pump that will handle the temperature of a vacuum tube solar water heating system?
Thanks
Hello
You can get a great circulation pump from a company called Setsolar. They specialise in photovoltaic and solar water heating systems. I think it is called the SS1
Cheers
L
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250 Liter 24 Vacuum Tube Solar Water Heater System Electric Backup SRCC |  |
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US $2,195.00 | 1d 10h 23m |
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150 Liter 18 Vacuum Tube Solar Water Heater Seperated Tank System Electric SRCC | |
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US $1,850.00 | 1d 9h 57m |
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BLACK 3.5mm 10FT Silicone Vacuum Tube Hose for Radiator Turbo System Kit | |
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US $17.86 | 3d 8h 51m |
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Bosom Beauty Portable with brava tube Breast Vacuum Enlargement size E System | |
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US $205.37 | 28d 19h 24m |
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2 Rider BOOKS -- VACUUM TUBE VOLTMETERS 2nd Ed + AFC Systems Book | |
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US $13.99 | 27d 21h 24m |
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400 Liter 48 Vacuum Tube Solar Water Heater System Electric Backup SRCC | |
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US $3,395.00 | 26d 9h 39m |
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Conair TLR Direct Feed Material Loader Tube Loader 8.5" Vacuum Conveyance System | |
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US $990.00 | 26d 1h 22m |
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Conair TLR Direct Feed Material Loader Tube Loader 17" Vacuum Conveyance System | |
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US $990.00 | 26d 1h 13m |
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Conair TLR Direct Feed Material Tube Loader w/ Ratio Valve for Vacuum System | |
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US $990.00 | 24d 20h 40m |
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New Peluso P-67 Vacuum Tube Microphone System Mic w/PSU, Case, Shockmount | |
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US $1,963.50 | 23d 17m |
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Drawmer 1961 Vacuum Tube Equalizer $2325 Designed to complement the widely acclaimed Drawmer 1960 Mic Pre-Amp Vacuum Tube Compressor, the 1961 Vacuum Tube Equalizer combines low-noise circuitry with no fewer than twelve active tube stages to provide two channels of exceptional equalization possessing unique 'personality'. Rather than employ a continuously variable resistor as a means of frequency control, the 1961 utilizes the same rotary 'step' switching system used in vintage designs . This enables the component values for each frequency band to be optimized for uncompromising performance across the entire audio spectrum and also makes setting up more accurate, particularly when treating stereo signals. The design of the 1961 allows the user to control the amount of 'warmth' by deciding how hard to drive the tubes giving a sound as 'clean' as the best discrete solid state designs or as 'hot' as the 'hottest' classic tube designs. The 1961 and 1960 Can be 'interlinked' to provide, in effect, a two channel vacuum tube mixing console, - the perfect mastering or post audio 'sweetening' tool. Facilities available on the 1961 include: Input level A variable input level of -20dB to +20dB ensures compatibility with a wide range of input source material and enables the user to optimize signal level and drive the tubes 'soft' or 'hot' as required. LED bargraph displays give a clear indication of the input signal level. High Pass Filter A variable 12dB/Octave roll-off filter adjustable from - 15Hz to 500Hz section enables the user to remove unwanted low frequencies and sub-sonic noise. Equalization Each channel of the 1961 has four main equalizer sections with six carefully chosen overlapping frequencies and a separate tube stage for increased harmonic clarity. Each section also includes variable band width from 0.3 Octave to 3 Octaves and +18dB of Cut and Boost. BASS frequencies (Hz) 20, 32, 50, 80, 125, 200_LO-MID frequencies (Hz) 100,180, 250, 400, 650,1K_HI-MID frequencies (kHz) 0.5, 0.8,1.2, 2.0, 3.2, 5.0_TREBLE frequencies (kHz) 2.5, 4, 6,10,15, 25 Low Pass Filter A variable 12dB/Octave roll-off filter adjustable from 2.5kHz to 56kHz enables the user to remove high frequency interference or to band limit excessively high levels of high frequencies. Output Stage Two additional tube stages in the output section of each channel allow the user to achieve 'soft clipping' by adjusting the input level control whilst visually monitoring the effect upon the 'Soft' and 'O/L' (Overload) LED's. Bypass In addition to a master bypass switch for each channel each of the parametric and shelving filters has its own separate bypass switch. This not only makes the 1961 very straight forward to set up, by allowing instant A-B comparison ,but also enables the tube output stages to be used to add tube coloration without EQ simply by leaving each channel switched to 'In' and each individual EQ sections switched to 'Out' The master bypass switch for channel bypasses all the filter sections as well as the ou |
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Vacuum $92.4 Vacuum. Space, Outer space, Human adaptation to spaceflight, Vacuum pump, Outgassing, Pressure measurement, Manifold vacuum, Ultra high vacuum, Vacuum deposition, Vacuum energy, Vacuum flange, Vacuum tube, Vacuum packing, Vacuum brake Author: Miller, Frederic P./ Vandome, Agnes F./ McBrewster, John Binding Type: Paperback Number of Pages: 110 Publication Date: 2009/10/11 Language: English Dimensions: 5.98 x 9.01 x 0.26 inches |
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Group of Glass Vacuum Tube Diodes $29.99 Group of Glass Vacuum Tube Diodes - Photographic Print |
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dbx 386 Dual-Vacuum Tube Preamp $529.95 The dbx 386 Dual-Vacuum Tube Preamp is a 2-channel microphone preamp with digital outs and the dbx Type IV conversion system. It features selectable 96, 88.2, 48, or 44.1kHz sampling rates, 24-, 20-, and 16-bit wordlengths, selectable dither and noise shaping, AES/EBU and S/PDIF digital outputs, word clock sync input and output, separate analog and digital output controls, 60dB of gain and +/- 15dB of output gain, a selectable mic/line switch, 48V phantom power, a 75Hz low cut filter, phase reverse, 12 segment LED, and a 20dB pad. With its impressive features, the dbx 386 lets you work in the digital world while retaining the indispensable warmth of analog. |
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dbx 386 Dual-Vacuum Tube Preamp 889406719989 $450.46 The dbx 386 Dual-Vacuum Tube Preamp is a 2-channel microphone preamp with digital outs and the dbx Type IV conversion system. It features selectable 96, 88.2, 48, or 44.1kHz sampling rates, 24-, 20-, and 16-bit wordlengths, selectable dither and noise shaping, AES/EBU and S/PDIF digital outputs, word clock sync input and output, separate analog and digital output controls, 60dB of gain and +/- 15dB of output gain, a selectable mic/line switch, 48V phantom power, a 75Hz low cut filter, phase reverse, 12 segment LED, and a 20dB pad. With its impressive features, the dbx 386 lets you work in the digital world while retaining the indispensable warmth of analog. |
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dbx 386 Dual-Vacuum Tube Preamp 889406785663 $450.46 The dbx 386 Dual-Vacuum Tube Preamp is a 2-channel microphone preamp with digital outs and the dbx Type IV conversion system. It features selectable 96, 88.2, 48, or 44.1kHz sampling rates, 24-, 20-, and 16-bit wordlengths, selectable dither and noise shaping, AES/EBU and S/PDIF digital outputs, word clock sync input and output, separate analog and digital output controls, 60dB of gain and +/- 15dB of output gain, a selectable mic/line switch, 48V phantom power, a 75Hz low cut filter, phase reverse, 12 segment LED, and a 20dB pad. With its impressive features, the dbx 386 lets you work in the digital world while retaining the indispensable warmth of analog. |
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Dbx 386 Dual-Vacuum Tube Preamp $529.95 The dbx 386 Dual-Vacuum Tube Preamp is a 2-channel microphone preamp with digital outs and the dbx Type IV conversion system. It features selectable 96, 88.2, 48, or 44.1kHz sampling rates, 24-, 20-, and 16-bit wordlengths, selectable dither and noise shaping, AES/EBU and S/PDIF digital outputs, word clock sync input and output, separate analog and digital output controls, 60dB of gain and +/- 15dB of output gain, a selectable mic/line switch, 48V phantom power, a 75Hz low cut filter, phase reverse, 12 segment LED, and a 20dB pad. With its impressive features, the dbx 386 lets you work in the digital world while retaining the indispensable warmth of analog. |
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Used Dbx 386 Dual-Vacuum Tube Preamp $482.25 The dbx 386 Dual-Vacuum Tube Preamp is a 2-channel microphone preamp with digital outs and the dbx Type IV conversion system. It features selectable 96, 88.2, 48, or 44.1kHz sampling rates, 24-, 20-, and 16-bit wordlengths, selectable dither and noise shaping, AES/EBU and S/PDIF digital outputs, word clock sync input and output, separate analog and digital output controls, 60dB of gain and +/- 15dB of output gain, a selectable mic/line switch, 48V phantom power, a 75Hz low cut filter, phase reverse, 12 segment LED, and a 20dB pad. With its impressive features, the dbx 386 lets you work in the digital world while retaining the indispensable warmth of analog. |
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dbx 386 Dual Vacuum Tube Microphone Preamp with Digital Out $529.95 The Silver Series 386 dual channel tube mic preamp puts the best of both worlds into 1 affordable package by combining the warmth of the irreplaceable vacuum tube with the proprietary dbx Type IV conversion system. The 386 boasts many of the same features as other products in the Silver Series, such as +48V phantom power, a phase invert switch, and low cut filtering; but also includes digital outputs in both AES/EBU, and S/PDIF formats. |
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Vacuum System $1200 90" Long x 36" Diameter Vacuum Tank, Honda GX390 Gasoline Engine. The engine started and ran. The vacuum system was not operationally checked. IronPlanet cannot generate a NAFTA Certificate for this unit. Buyers from Mexico and Canada should check with their export agent to determine if any additional fees apply. |
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JJ Electronics 5AR4 / GZ34 Rectifier Vacuum Tube $23.5 JJ Electronics 5AR4 / GZ34 Rectifier Vacuum Tube |
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JJ Electronics EL34 Power Vacuum Tube Single $19.95 JJ Electronics EL34 Power Vacuum Tube Single |
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JJ Electronics 6V6 Power Vacuum Tube Single $19.95 JJ Electronics 6V6 Power Vacuum Tube Single |
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JJ Electronics 12AT7 / ECC81 Preamp Vacuum Tube $14.95 JJ Electronics 12AT7 / ECC81 Preamp Vacuum Tube |
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JJ Electronics 6L6GC Power Vacuum Tube Single $24.5 JJ Electronics 6L6GC Power Vacuum Tube Single |
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JJ Electronics 12AX7 / ECC83 Preamp Vacuum Tube $14.95 JJ Electronics 12AX7 / ECC83 Preamp Vacuum Tube |
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dbx 386 Dual-Vacuum Tube Preamp 889406719989 $450.46 dbx 386 Dual-Vacuum Tube Preamp 889406719989 |
 FoodSaver V3020 Vertical Vacuum Sealing System With Starter Kit List Price: Sale Price: $69.99 You save: $60.00 (46%)  Eligible for free shipping!Availability: Usually ships in 24 hours  |
 FoodSaver T03-0006-01 Regular-Mouth Jar Sealer List Price: Sale Price: $9.80 You save: $0.19 (2%) Eligible for free shipping!Availability: Usually ships in 1-2 business days |
 Dyson DC04, DC07 and DC14 Belt Pack for Clutch System - 2 Pack - Aftermarket Replacement Part Sale Price: $2.00 Eligible for free shipping!Availability: Usually ships in 2-3 business days |
 FoodSaver T03-0023-01 Wide-Mouth Jar Sealer List Price: Sale Price: $6.99 You save: $3.00 (30%) Eligible for free shipping!Availability: Usually ships in 1-2 business days |
 Shop-Vac 8017562 Workshop Sawdust Collection System List Price: Sale Price: $101.35 You save: $35.47 (26%) Eligible for free shipping!Availability: Usually ships in 6-10 business days |
 Dryer Vent Vacuum Cleaner Attachment List Price: Sale Price: $4.99 You save: $4.99 (50%) Eligible for free shipping!Availability: Usually ships in 1-2 business days |
 Hoover Cyclonic Bagless Upright Vacuum, Platinum Collection, UH70015 List Price: Sale Price: $220.11 You save: $79.88 (27%) Eligible for free shipping!Availability: Usually ships in 1-2 business days |
 Sunchaser 30-tube Solar Hot Water Heater/collector Vacuum Tube Sale Price: $995.00 Eligible for free shipping!Availability: Usually ships in 1-2 business days |
 Dyson DC07/DC14 Clutch Assembly #900252-04 - Genuine Sale Price: $31.09 Eligible for free shipping!Availability: Usually ships in 3-4 business days |
 SunChaser 16-Tube Solar Hot Water Collector Vacuum Tube List Price: Sale Price: $598.00 You save: $201.00 (25%) Eligible for free shipping!Availability: Usually ships in 1-2 business days |
hand making vacuum tubes Part 1
Help, I think I have a leak in my pool system. I have a fiberglass 12 x 24 in-ground pool.?
First I noticed it was loosing water and I was having to add water daily. Approx 1 - 1 1/2 inch a day. I started cutting my pump off when I was not at home because I was afraid it would run dry. I then realized it lost water more if the pump was not running. Then I noticed if I hook up my manual vacuum to the skimmer (after priming tubing) I get lot of air bubbles in the return jets and in a few minutes I do not have any suction on my vacuum and my pump is starving for water. If I take the vacuum loose it will prime back up good and only have a small amt of bubbles coming out of returns but I think there is a air leak somewhere. I was wondering if it means anything since it leaks less with the pump running?
Because it looses less when the pumps running i suspect the leak is in between then skim box and the pump it self.
You can do this experiment.
Plug the sucking whole in the skimmer box for 2 hours and see how much water you loose. Up plug the whole for 2 hours and compare the result.
Get a bucket and place it on a step in the pool fill the bucket with water to the same level of the pool water. This is so you can see at a glance if the pool is leaking.
Either way is a real bummer of a problem.
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