Reply to thread

Message

<blockquote data-quote="c_hayhurst" data-source="post: 1922576" data-attributes="member: 555043">Well, here&#039;s the deal:I tested the RF amp by re-wiring the sub to it and connecting the sub directly to the amp which drives the 6&quot; speakers.&nbsp; The sub works fine on the other amp, so I tested the wiring and electrical performance of the RF amp with an ohmmeter/voltmeter.In picture 1, this is how the sub has always been wired and nothing has changed.&nbsp; I rewired the sub to the positions in pictures 2 and 3.&nbsp; In piture 2, the sub worked, but only used one channel&#039;s output.&nbsp; In picture 3, the sub made this weird, loud rumbling sound.&nbsp; Then I put a ohmmeter/voltmeter into the terminals used to bridge the amp.&nbsp; The ohmmeter showed 1 ohm and 40 DC volts.&nbsp; When I went to put the wires back in like picture 1, the sub also made that weird, loud rumbling sound.I tested the other terminals with the ohmmeter/voltmeter, and then all of a sudden, all the speakers made this God-awful hissing and popping noise in all the speakers and from teh RF amp itself!I completely disconnected the RF amp and the hissing and popping stopped.Then, I reconnected just the RF amp to the power supply but to no speakers;it was totally isolated from the speakers or other amp.&nbsp; Now, the loud hissing/popping sound came directly from the RF amp!&nbsp; The power light would glow, but was quite dim.&nbsp; The Thermal and Protect lights did not light up.I&#039;m not sure, but I thought I got a whiff of something burning, too and the heat sinks got quite warm- warmer than the other amp when it was on for roughly the same amount of time.Also, in picture 4, the ground wire is two-toned-copper on the outside strands, silver on the inside strands.&nbsp; Is that normal, or did something happen to make the wire&#039;s color change from its normal copper color?So, now I completely removed all wiring from the RF amp- no speaker, no power supply, no remote, no ground.I think the RF amp is dead.&nbsp; What do you think?What should I do with it now?&nbsp; Would it still be worth it to shell out the $33 to have it bench tested?&nbsp; Is it repairable?</blockquote>

[QUOTE="c_hayhurst, post: 1922576, member: 555043"] Well, here's the deal: I tested the RF amp by re-wiring the sub to it and connecting the sub directly to the amp which drives the 6" speakers. The sub works fine on the other amp, so I tested the wiring and electrical performance of the RF amp with an ohmmeter/voltmeter. In picture 1, this is how the sub has always been wired and nothing has changed. I rewired the sub to the positions in pictures 2 and 3. In piture 2, the sub worked, but only used one channel's output. In picture 3, the sub made this weird, loud rumbling sound. Then I put a ohmmeter/voltmeter into the terminals used to bridge the amp. The ohmmeter showed 1 ohm and 40 DC volts. When I went to put the wires back in like picture 1, the sub also made that weird, loud rumbling sound. I tested the other terminals with the ohmmeter/voltmeter, and then all of a sudden, all the speakers made this God-awful hissing and popping noise in all the speakers and from teh RF amp itself! I completely disconnected the RF amp and the hissing and popping stopped. Then, I reconnected just the RF amp to the power supply but to no speakers;it was totally isolated from the speakers or other amp. Now, the loud hissing/popping sound came directly from the RF amp! The power light would glow, but was quite dim. The Thermal and Protect lights did not light up. I'm not sure, but I thought I got a whiff of something burning, too and the heat sinks got quite warm- warmer than the other amp when it was on for roughly the same amount of time. Also, in picture 4, the ground wire is two-toned-copper on the outside strands, silver on the inside strands. Is that normal, or did something happen to make the wire's color change from its normal copper color? So, now I completely removed all wiring from the RF amp- no speaker, no power supply, no remote, no ground. I think the RF amp is dead. What do you think? What should I do with it now? Would it still be worth it to shell out the $33 to have it bench tested? Is it repairable? [/QUOTE]

Verification