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more FPIII heater supply resistor values for various tubes
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John Roman
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4
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243
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October 03, 2011, 06:18:47 PM
by Paul Joppa
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Adjusting Forplay III heater supply resistor for different tubes
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Doc B.
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9
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2491
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August 07, 2011, 01:06:46 PM
by porcupunctis
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New MJE 350 transistor orientation in Extended upgrade
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Doc B.
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0
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610
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November 22, 2010, 09:24:00 AM
by Doc B.
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Lower noise floor tweak for Extended Foreplay III
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Doc B.
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5
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3416
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April 12, 2010, 07:00:27 PM
by Doc B.
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Foreplay III info
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Doc B.
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0
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2675
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October 15, 2009, 11:07:03 AM
by Doc B.
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extended foreplay III troubleshooting help
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praff
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0
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94
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January 25, 2012, 08:14:52 AM
by praff
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foreplay III input crosstalk
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khingila
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2
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93
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January 21, 2012, 02:54:39 PM
by khingila
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Tube rolling on Foreplay III
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Anton
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27
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2405
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January 05, 2012, 02:19:52 PM
by Paul Joppa
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Foreplay III XFMR Resistance Check Problem
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Deafer_than_a_doornail
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19
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454
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January 02, 2012, 09:40:42 PM
by Deafer_than_a_doornail
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Foreplay III stock - coupling caps suggestions sought
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syncro
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24
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2088
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December 27, 2011, 03:30:28 PM
by Grainger49
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Adding additional outputs on Foreplay 3 to feed a headphone amp
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Pfenning
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1
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149
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December 25, 2011, 08:35:35 AM
by Grainger49
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Need more Gain Foreplay III Extended
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Pilot_dude
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3
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155
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December 24, 2011, 10:24:30 AM
by Pilot_dude
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Foreplay III whistling on turn off?
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Poultrygeist
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3
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176
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December 22, 2011, 02:16:11 PM
by elcraigo
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At bloody last!!!!
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epistaxsis
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8
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345
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December 19, 2011, 12:14:25 PM
by epistaxsis
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Old Foreplay
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dtaylo1066
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5
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256
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December 16, 2011, 04:02:13 AM
by Laudanum
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Soldering all the drain wires into T28
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pro_crip
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3
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211
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December 15, 2011, 10:41:36 AM
by pro_crip
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Question about replacing specific resistors in the Foreplay III
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Mr. Lin
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17
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563
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December 14, 2011, 11:30:03 AM
by epistaxsis
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New Foreplay build Questions
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mchurch
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22
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985
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December 13, 2011, 03:20:17 PM
by ajp
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Preamp for my 2a3 Paramours?
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Poultrygeist
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7
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233
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December 12, 2011, 03:56:36 PM
by Poultrygeist
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Output Transformer vs. Caps?
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Tickwomp
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3
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173
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December 12, 2011, 01:12:02 PM
by Paul Joppa
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