I stumbled upon an old OHM power amp as part of a clear out from a music program, have tried to find info on it, but can't find much out, the model number is PA150D and I'll leave a photo in case someone recognizes it, any info at
all would be appreciated.
all would be appreciated.
Attachments
Anything printed on the rear by the output jacks? And is there any company identification? In other words is the company in the same city as the Ohm that makes stereo speakers?
It looks to me like a generic 1980s solid state PA head, pretty similar to this Peavey:
http://assets.peavey.com/literature/manuals/80322001.pdf
It looks to me like a generic 1980s solid state PA head, pretty similar to this Peavey:
http://assets.peavey.com/literature/manuals/80322001.pdf
Anything printed on the rear by the output jacks? And is there any company identification?
The company name is Ohm Amplification, the copyright's dated March 1981, but not much else of note on the back.
I'd guess at 150w into 8ohm. Mono. Avoid running to 4ohm unless it says you can.
Apart from that, those old mixer-amps are solid. I've got a McGregor one that comes out occasionally when I just need a mic and a speaker on a stick.
So far, I've taken some contact cleaner to all the controls and replaced the main bulk capacitors. Subjectively a bit more oomph before clipping, and the controls no longer have that scratchy sound as they're turned.
Chris
Apart from that, those old mixer-amps are solid. I've got a McGregor one that comes out occasionally when I just need a mic and a speaker on a stick.
So far, I've taken some contact cleaner to all the controls and replaced the main bulk capacitors. Subjectively a bit more oomph before clipping, and the controls no longer have that scratchy sound as they're turned.
Chris
I'd guess at 150w into 8ohm. Mono. Avoid running to 4ohm unless it says you can.
Yeah, the back say 4ohm min load by the speaker outs, although whilst taking it apart, I discovered some burns across the old circuitry, only two patches, however it doesn't look like it was well maintained, I have yet to test the sound out of them, but I'm hoping nothing's too damaged.
- Status
- Not open for further replies.