Forums
New posts
Search forums
What's new
New posts
New profile posts
Latest activity
Members
Current visitors
New profile posts
Search profile posts
Log in
Register
What's new
Search
Search
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Install the app
Install
If you have bought, sold or gained information from our Classifieds, please donate to Synergy/MTS Forum and give back.
You can
become a Supporting Member
which comes with a decal or just
click here to donate
.
General Forum Information
Classifieds
RM20 head (UK)
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Help Support Synergy/MTS Forum:
This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.
Message
<blockquote data-quote="BatAML" data-source="post: 163224" data-attributes="member: 4725"><p>Update: I've listed the modules separately (see other thread). In doing that I tested each one in this RM20 chassis, and all of the higher-gain modules squealed at higher settings. Odd, and as I hadn't used them much since putting them in storage, it seemed odd. But then I remembered I had used them with my Syn30 and not this amp. Curious...</p><p></p><p>So I opened up this amp to see if there's something odd here. First thing: the wire dress is ... "interesting". And may not be (I hope not!) factory standard. I will try to find some reference photos.</p><p></p><p>As I can also see a few mods to the PCB components - e.g. some 1960s Marshall 'mustard' capacitors - it's possible that the cable runs were not reinstated properly. And that may be the cause of the squealing with the higher gain modules. While it's open I will investigate and also use some contact cleaner on the amplifier's two scratchy pots.</p><p></p><p>Please bear this in mind if you want to buy! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="BatAML, post: 163224, member: 4725"] Update: I've listed the modules separately (see other thread). In doing that I tested each one in this RM20 chassis, and all of the higher-gain modules squealed at higher settings. Odd, and as I hadn't used them much since putting them in storage, it seemed odd. But then I remembered I had used them with my Syn30 and not this amp. Curious... So I opened up this amp to see if there's something odd here. First thing: the wire dress is ... "interesting". And may not be (I hope not!) factory standard. I will try to find some reference photos. As I can also see a few mods to the PCB components - e.g. some 1960s Marshall 'mustard' capacitors - it's possible that the cable runs were not reinstated properly. And that may be the cause of the squealing with the higher gain modules. While it's open I will investigate and also use some contact cleaner on the amplifier's two scratchy pots. Please bear this in mind if you want to buy! :) [/QUOTE]
Verification
Post reply
General Forum Information
Classifieds
RM20 head (UK)
Top