<font color='navy' size='2' face='Georgia, Times New Roman, Times, Serif'><font size="2"><font face="Georgia, Times New Roman, Times, Serif">Steve<br>  Interesting stuff.<br>  </font></font>In <font color="navy" face="Georgia, Times New Roman, Times, Serif" size="2">my opinion this A-6 with the 5 note bichord transition was the best crossover sound to my ear. The company shoulda stuck with it. I've only seen & heard one and I sold it to Tom Cole. Tom? you still got it.<br>  I did not know all these designations existed for the Lowly Mason & Hamlin A<br> <div> <br> </div> <div> <br> </div> <div style="clear: both;"><b><font color="indigo" face="Georgia, Times New Roman, Times, Serif" size="1"><font size="2">Dale S. Erwin<br> </font><font size="2"><font size="1">www.Erwinspiano.com</font></font><br> <font size="1">Sitka Soundboard Sales<br> Ronsen Piano hammers<br> 209-577-8397</font><br> </font><font size="1"><br> </font></b><br> <br> </div> <div> <br> </div> <div> <br> </div> <div style="font-family: arial,helvetica; font-size: 10pt; color: black;">-----Original Message-----<br> From: Steve Jackson <steve@stevejacksonpianos.com><br> To: pianotech@ptg.org<br> Sent: Thu, Apr 14, 2011 4:43 am<br> Subject: Re: [pianotech] Mason A specs<br> <br> <div id="AOLMsgPart_0_4afa835b-28a1-4ad2-973b-089d72e88180" style="margin: 0px; font-family: Tahoma,Verdana,Arial,Sans-Serif; font-size: 12px; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> <pre style="font-size: 9pt;"><tt><br> > Hello Steve,<br> ><br> > There was the A- the A-3, A-4, A-5, and A-6,<br> ><br> > The last of the A,s that Aeolian built was the A,5.<br> ><br> > I ask Elmer and Allan Brooks in 77 why they went<br> > back to the A-5. I never got a clear answer<br> ><br> > There may have been the A,-1 and A,2 I can not<br> > speak to this as I have never seen one.<br> ><br> > Jack Wyatt<br> > Dallas Chapter<br> <br> These were an A3, with plain wire down to the tenor, an A4 or 5 with 2<br> bichords, and an A6 with a transition bridge at the tenor. I switched the<br> A6 action with the A5 (as it still had the ivory) and all was well. The<br> regulation was almost exactly the same with the switch. Amazing quality<br> control which is difficult to achieve even today.<br> <br> Steve<br> </tt></pre> </div>  </div> </font></font>