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Audio and Video Talk
Valves / Vacuum Tubes
Quad II and 202 has arrived
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<blockquote data-quote="fredeb" data-source="post: 742387" data-attributes="member: 13623"><p>Changing back from 5C3S to 2 old Mullard 5AR4's the anode voltage goes up to 365V from 340V . Voltage drop over cathode resistor goes up to 27V . Resulting in this :</p><p></p><p><img src="http://i258.photobucket.com/albums/hh250/fredeb777/Valve%20Research/Quad%20II%20w%206P3S_250_5AR4.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>So slightly more power still biased relatively "cool" . </p><p></p><p>I just spoke to Charles ( what a gentleman ! ) and he kindly gave me some advice , I'll be getting 4 of those 6L6G's / CV1947's that he tested recently in the 6L6 shootout thread . When those arrive , I'll re-install the original 180e 3 watt resistor .</p></blockquote><p></p>
[QUOTE="fredeb, post: 742387, member: 13623"] Changing back from 5C3S to 2 old Mullard 5AR4's the anode voltage goes up to 365V from 340V . Voltage drop over cathode resistor goes up to 27V . Resulting in this : [IMG]http://i258.photobucket.com/albums/hh250/fredeb777/Valve%20Research/Quad%20II%20w%206P3S_250_5AR4.jpg[/IMG] So slightly more power still biased relatively "cool" . I just spoke to Charles ( what a gentleman ! ) and he kindly gave me some advice , I'll be getting 4 of those 6L6G's / CV1947's that he tested recently in the 6L6 shootout thread . When those arrive , I'll re-install the original 180e 3 watt resistor . [/QUOTE]
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Audio and Video Talk
Valves / Vacuum Tubes
Quad II and 202 has arrived
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