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Ferguson 391T Radiogram
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25-04-2017, 07:23 PM
(This post was last modified: 25-04-2017, 07:28 PM by Geordie McBoyne.)
Circuit diagram of the Ferguson 391RG push-push audio amplifier. DC stabilising of the pentode amplifier is performed in a similar manner as the 3-3 amplifier. Note the separate unbypassed bias resistors for the EL84s. I think if I was to construct this amplifier I'd add a DC balance control.
Geordie McBoyne. |
| Messages In This Thread |
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Ferguson 391T Radiogram - by Murphyv310 - 24-04-2017, 07:32 PM
RE: Ferguson 391T Radiogram - by Murphyv310 - 25-04-2017, 01:08 PM
RE: Ferguson 391T Radiogram - by Geordie McBoyne - 25-04-2017, 02:12 PM
RE: Ferguson 391T Radiogram - by ppppenguin - 25-04-2017, 02:17 PM
RE: Ferguson 391T Radiogram - by pwdrive - 25-04-2017, 02:45 PM
RE: Ferguson 391T Radiogram - by ppppenguin - 25-04-2017, 03:45 PM
RE: Ferguson 391T Radiogram - by Murphyv310 - 25-04-2017, 04:25 PM
RE: Ferguson 391T Radiogram - by Geordie McBoyne - 25-04-2017, 07:23 PM
RE: Ferguson 391T Radiogram - by Synchrodyne - 26-04-2017, 01:17 AM
RE: Ferguson 391T Radiogram - by ppppenguin - 26-04-2017, 08:37 AM
RE: Ferguson 391T Radiogram - by Murphyv310 - 25-04-2017, 09:03 PM
RE: Ferguson 391T Radiogram - by Murphyv310 - 26-04-2017, 07:21 AM
RE: Ferguson 391T Radiogram - by Geordie McBoyne - 26-04-2017, 09:23 AM
RE: Ferguson 391T Radiogram - by Murphyv310 - 26-04-2017, 09:39 AM
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