What kind of amplifier is this?

[DanielT]

Anyone have info on this amp? Manufacturer?

My friend has bought two. He got them very cheap because the seller knew nothing about them. Neither I nor my friend can find anything about this amp.

He gets them later today and will he will open them up. He can take more pictures then. Hopefully with better sharpness.

 

[staticV3]

It's an ANYtronics SA-300. Supposedly 400W at 4Ω.

Here's a reddit thread from another owner in the same situation:

https://www.reddit.com/r/audiophile/comments/3s4hqa/looking_for_info_on_anytronics_sa300_mosfet_power

 

[Blumlein 88]

Anytronics | Home

Lighting & Control Systems

anytronics.co.uk

One reddit thread said this lighting company in the UK offered those for a short time only making a few. Then stopped.

 

[DanielT]

Thanks for the reply and information.

I'll post some more pictures after my friend gets them.

 

[DanielT]

Edit:
Please note, it was the wrong amplifier. See #12 below for pictures of the ANYtronics SA-300.

This is a Cayin 265Ai:

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[Doodski]

View attachment 385863

Sigh. Not to be mean but those images look like a toaster took them. Do you not have a proper camera? Do you want my old Canon SX30is with charger and functional battery? Serious... I'm not using it because I have a new cel tel with great imaging and I am considering tossing it out because it's not worth anything to sell it.

 

[DanielT]

Sorry, there are no good pictures. Blurred picture of an amplifier, a bucket and a foot.

My friend sent me a Snapchat video so these are the screenshots I took. He might be able to take normal, better, pictures, but right now I don't know what he's doing.

 

[Doodski]

Sorry, there are no good pictures. My friend sent me a Snapchat video so these are the screenshots I took. He might be able to take normal, better, pictures, but right now I don't know what he's doing.

Ahhh... Okies.

 

[JSmith]

look like a toaster took them

JSmith

 

[restorer-john]

My friend sent me a Snapchat video so these are the screenshots I took. He might be able to take normal, better, pictures, but right now I don't know what he's doing.

It's a completely different amplifier to the top pictures.

Notice the row of RCA inputs and the volume control (Alps motorised).

 

[DanielT]

It's a completely different amplifier to the top pictures.

Notice the row of RCA inputs and the volume control (Alps motorised).

Weird. I'll check with him. He has a few different amplifiers. It is possible that he sent Snapchat video of some other amplifier. I will return with clarification.

 

[DanielT]

This is my friend's ANYtronics SA-300. I got the correct photos now:

 

[DanielT]

It's a completely different amplifier to the top pictures.

Notice the row of RCA inputs and the volume control (Alps motorised).

It was his Cayin 265Ai in the #5 that I posted pictures of. My fault, I mixed up the amps.

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[Count Arthur]

The company still exists: https://anytronics.co.uk/index.html

But, it doesn't look like they still make amps.

 

[restorer-john]

@DanielT Notice the date codes on the components. 1987.

37 years ago.

Cool vintage stuff and right at the very end of Hitachi's TO3 MOSFET devices just before they went to plastic pack TO3P.

 

[Wolf11Man]

Could have been a good amp if they had use 2x3 instead of 2x2 MosFet's. It is running on the edge of it's current limit bridged.

Renew thermal compound and the output relay, if amp is still working. Could be a nice, silent subwoofer amp.

 

[DanielT]

Thanks for the information.

My friend has a pair of Canton Reference 7.2 DC speakers. It should be an easy match for the ANYtronics SA-300 amplifier.

 

[AnalogSteph]

Looks like this unit should be very nearly AES48-compliant due to how closely the pin 1 wire is placed to its beefy central ground return, but I bet Mr. Douglas Self would be less than thrilled with the substantial loop areas in the power supply wiring (he called rail induction "[seemingly] a widespread cause of unnecessary distortion"). Realistically the entire circuit board layout is likely to be less than ideal as little care seems to have been taken to minimize stray inductance (or else the lugs for V+ and V- wouldn't be as far apart as they are). Normally the recommendation is keeping V+ and V- twisted together and running the ground return alongside, exactly none of which has been applied here.