Tempering Valve
Vdn Otl Tube Technology
OTL (“Output Transformerless”) tube amplifiers are existing for as long as 40 yrs., and they were always highly appreciated by the serious audiophiles searching for the ultimate sound reproduction. But, with all adoration, OTLs hardly tamed temper (impedance sensitivity, operation reliability) limited their possession to the very few audio enthusiasts.
The goal of VDN’s engineers was to reach this gem design by meeting the highest possible requirements of the modern fastidious audio community. The REX-100 mono integrated tube OTL amplifier is designed with the sole purpose to reflect the harmonic structure of the real life music, hence enabling the listener to experience his feelings completely immersing its essence… it is our believeing that our OTL approaches the unparalleled sound to the electrostats, as well as to electrodynamic loudspeakers additionally enabling the precisely defined bass reproduction…Why we decided to build OTL 12+ years, ago ?The story is very interesting…11 years ago the first production started, but the initial idea of building the OTL amplifier came 2+ years earlier, through a local audiophile, a close friend to both VDN’s owners. And there was another one who not only belonged to the circle of audiophiles but was professionally involved with High End audio. With such a small team, but truly armed with all neccessary knowledges and experience, it was just the matter of time for successfull birth of the very sophisticated OTL amplifier. It took 2+ years to reach the prototype and almost an extra year to come to the production-ready REX-100 OTL.What we believe REX-100′s highlights are ?- beautiful, natural sound with extraordinary 3-dimensional stage and rich powerfull bass, which is more felt than heard- very reliable operation, even with the toughest loads- minimum signal path throughout the amplifier- compact design which doesn’t occupy much space in the room- distinctive looks – simple, yet elegant* after all, why “REX”; it is a latin word for the KING and we beleieve it is…
The VDN team
About the Author
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TACO 507-046RP THERMOSTATIC TEMPERING VALVE ELEMENT $23.50 |
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Watts Regulator Hot Water Tempering Valve 3/4″ 70A NOS $35.00 |
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TA MIX THERMOSTATIC TEMPERING VALVE 1/2″ $35.00 |
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Aqua-Gard Tempering Mixing Valve $39.99 |
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TACO 589-1 2″ TEMPERING VALVE ADJUSTABLE 130-180 NEW – OLD STOCK $45.00 |
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Watts Regulator 70A Tempering Valve [3/4" Sweat] $58.63 |
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SYMMONS 5-210-CK MAXLINE TEMPERING VALVE 5210 CK MIXING BRASS honeywell $59.00 |
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Symmons Thermixer Tempering Valve 5-130-CK, NIB $62.98 |
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SYMMONS 5-210-CK MAXLINE TEMPERING VALVE $62.99 |
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WATTS HOT WATER EXTENDER TEMPERING VALVE REPAIR KIT N170LCRKM2 [EDP#0877076] $65.00 |
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AQUA-GARD TEMPERING MIXING VALVE HIGH TEMPERATURE ZW1017HT 3/4″ $69.95 |
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HOLBY Piston for 1-1/2″ Holby Tempering Mixing Valve $69.99 |
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3/4″ Tempering Valve (Thermostatic Mixing Valve $78.00 |
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NEW POWERS E480-00 1/2″ NPT LOW FLOW COMBINATION TEMPERING VALVE ASSEMBLY $79.99 |
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POWERS E480-10 3/8″ COMPRESSION LOW FLOW COMBINATION TEMPERING VALVE ASSEMBLY $79.99 |
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Solar Water Heater Water Tempering Valve or Mixing Vavle (Scald Protection) $80.00 |
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lot of 3 tempering valve inlet outlet 1/2″ new unused in original box 50% off $89.00 |
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1/2″ NPT Symmons tempering mixing valve 5-225-ck-f $90.00 |
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NEW POWERS 420 610 UTC BONNET REPLACEMENT Thermostatic Tempering Valve $99.00 |
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TACO 1/2″ Sweat Mixing Valve 5002-C2 Tempering Valve $99.95 |
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TACO 3/4″ Sweat Mixing Valve 5003-C2 Tempering Valve $109.95 |
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TACO 1″ Sweat, Mixing Valve Product No. 5004-C1 Tempering Valve $110.00 |
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Watts N170L-M1 3/4″ Hot Water Extender Tempering Valve, NIB $115.00 |
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Watts 70AT 1/2″ Hot Water Tempering Valve $115.57 |
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1″ Tempering Valve (Thermostatic Mixing Valve $118.00 |
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HOLBY Piston for 2″ Holby Tempering Mixing Valve $119.99 |
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NEW POWERS HYDROGUARD LM492-1 1″ UNION NPT THERMOSTATIC TEMPERING VALVE 80-160F $119.99 |
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TACO 1″ Sweat Mixing Valve 5004-C2 Tempering Valve $128.95 |
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NEW ESBE 3-way valve 1 1/2″ boiler mixing tempering $137.00 |
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Watts 70AT 3/4″ Hot Water Tempering Valve $140.52 |
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Symmons Rough Bronze 5-140-CK Thermixer Thermostatic Tempering Mixing Valve $143.10 |
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WATTS N170L-M1 1″ HOT WATER EXTENDER TEMPERING VALVE. NEW $149.00 |
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WATTS N170 – M2 1″ HOT WATER EXTENDER TEMPERING VALVE $175.00 |
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POWERS by WATTS E425DX000000 Thermostatic Shower Mixing Tempering Valve $180.00 |
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POWERS by WATTS E4260000 Thermostatic Shower Mixing Tempering Valve $180.00 |
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HOLBY Piston for 2 1/2″ Holby Tempering Mixing Valve $205.00 |
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NIB POWERS HYDROGUARD T/P SERIES e420 THERMOSTATIC MIXING TEMPERING VALVE $249.99 |
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Powers/Watts Hydroguard XP Master Tempering valve Model MM431-1 $250.00 |
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BRAND NEW 6 (SIX) WATTS 70A-F 1/2″ HOT WATER 120F-160F EXTENDER TEMPERING VALVE $250.00 |
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Watts No. N170-M2 Hot Water Extender Tempering Valves $399.00 |
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HOLBY TEMPERING VALVE 1/2″ COMPLETE OEM REPAIR KIT NEW $450.95 |
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HOLBY TEMPERING VALVE 3/4″ COMPLETE OEM REPAIR KIT NEW $450.95 |
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HOLBY TEMPERING VALVE 1/2″ COMPLETE OEM NEW $470.25 |
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HOLBY TEMPERING VALVE 3/4″ COMPLETE OEM NEW $470.25 |
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1-1/4″ Watts N170-M2 Hot Water Extender Tempering Valve $489.99 |
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HOLBY TEMPERING VALVE 1″ COMPLETE OEM REPAIR KIT NEW $498.36 |
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HOLBY TEMPERING VALVE 1-1/4″ COMPLETE OEM REPAIR KIT NEW $584.36 |
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HOLBY 1″ Bronze Thermostatic Tempering Valve Mixing Valve $625.00 |
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HOLBY TEMPERING VALVE 1″ COMPLETE OEM NEW $694.20 |
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HOLBY TEMPERING VALVE 1-1/2″ COMPLETE OEM REPAIR KIT NEW $724.36 |
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HOLBY TEMPERING VALVE 2″ COMPLETE OEM REPAIR KIT NEW $854.32 |
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HOLBY 1-1/4″ Bronze Thermostatic Tempering Mixing Valve $860.00 |
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HOLBY TEMPERING VALVE 1-1/4″ COMPLETE OEM NEW $958.21 |
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HOLBY 1-1/2″ Bronze Thermostatic Tempering Mixing Valve $1,020.00 |
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HOLBY TEMPERING VALVE 1-1/2″ COMPLETE OEM NEW $1,138.45 |
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HOLBY 2″ Bronze Thermostatic Tempering Mixing Valve $1,280.00 |
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HOLBY TEMPERING VALVE 2-1/2″ COMPLETE OEM REPAIR KIT NEW $1,381.23 |
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HOLBY TEMPERING VALVE 2″ COMPLETE OEM NEW $1,424.95 |
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HOLBY TEMPERING VALVE 3″ COMPLETE OEM REPAIR KIT NEW $1,612.85 |
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HOLBY Thermostatic Tempering Valve HTV 3″ $2,000.00 |
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HOLBY TEMPERING VALVE 2-1/2″ COMPLETE OEM NEW $2,554.61 |
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HOLBY TEMPERING VALVE 4″ COMPLETE OEM REPAIR KIT NEW $2,998.36 |
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HOLBY TEMPERING VALVE 3″ COMPLETE OEM NEW $3,384.26 |
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HOLBY TEMPERING VALVE 4″ COMPLETE OEM NEW $6,712.20 |
