Ada_rocket_ra10_ra20 电路图 维修原理图.pdf

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1、收音机爱好者资料库 Ra d i o Fa n s .CN 收音机爱好者资料库 Ra d i o Fa n s .CN 收音机爱好者资料库 Ra d i o Fa n s .CN file:/C|/Documents%20and%20Settings/lholt3/Desktop/Websites/Heaven%203.0/New%20HTML%20Files/post70samps/rocket_ra10.txt I just finished this schemo, that I assembled from the two incomplete schemos that are flo

2、ating around. I own one of these, so I verified all the values and the complete schematic, as well as all the critical voltages, and the plate current. The Rocket A-10 is a single EL84 amp that sounds like a plexi at low volumes. It is mated to a celestion vintage 30. This amp is very loud for its s

3、ize. Feel free to put this on your website.JOe I believe the bright switch just has treble cap bypass the volume. Yes, this amp was made by the ADA dudes that made the MP-1, ect. It was made around 95, but didnt sell as well as they hoped. Some of that might have been the $500+ price tag. They sound

4、 excellent, much better than the AX-84 project amps that Ive heard. Im about ready to make this amp with a quad single ended output. It has a relatively high plate voltage for a single ended design, but man is it loud! It has an excellent clean sound as well, just rather quiet, comparatively. And yo

5、u can use any spare 50watt 6l6 iron that is sitting around. Thanx, Joe Joe: Looks pretty good! So is that ADA as in the MP-1 preamps, etc.? Are they still around or is this an older amp? So is the bright switch drawn up correctly? I see no bright cap- just a shunt from the top of the volume control

6、to the wiper. Or does that work as a bright switch? Thanks! Steve Ahola Ya know, Ill have to check out that bright switch. That doesnt look right to me either. It was on the original schemo, and I just assumed it was correct. Thanx, Joe O.K., heres the corrected schemo. I went through the whole circuit board and checked out all the switch areas. I think the 10meg resistor is to make the switch quieter.Thanx for noticing the error! file:/C|/Documents%20and%20Settings/lholt3/Desktop/Web.ven%203.0/New%20HTML%20Files/post70samps/rocket_ra10.txt3/19/2006 10:11:45 AM