AB INTERNATIONAL PRECEDENT SERIES 600A

I believe it was around at 4 ohms. It did not come from the factory with a fan but I put the fan kit in it for 2 ohm loads. They used to go really cheap on Ebay. The is a basic class H amp, based on early work the engineer did while at Altec in the early 70’s. Yes, my password is: All the ‘s that I am aware of were EI square frame transformers. Seems to be a good build. View the Media Kit.

The heart of Minnesota’s Iron Range. I havnt hooked it up yet but was wondering if anybody knows anything about this brand. Seems to be a good build. By heating issues, I mean the A’s heatsink would be warm just idling, whereas, the would be cold. Log in or Sign up. Some sort of dual-rail, Class-G type circuit, I would imagine.

I never drove anything other than the sub with it short of a center channel, so I can’t say much as to its qualities there, but it did a great job with the sub.

Discussion in ‘ General Audio Discussion ‘ started by 6mantoysJun 27, Gobs of power and head room. I use mine for sub duties pushing a pair of Audiopiles APX18 sub-drivers at watts per side ,Yes their heavy and yes they last for years they remind me of the old PV CS amps which I own one of those to for monitor precedenh.

The is a basic class H amp, based on early work the engineer did while at Altec in the early 70’s.

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AB International Precedent Series A Power Amp Tested Works Great | eBay

I do not have good info on early ‘s but the predecessor to the used square frames. View the Media Kit. I was just wondering if they were precrdent amps??? Some sort of dual-rail, Class-G type circuit, I would imagine.

This only applies to reactive loads where there is current flowing with zero voltage. AB Precedent, were very good providing you didn’t try to load them into 2 ohms per channel.

I’ve read some good things about them. Here’s a link for their older products: They used to go really cheap on Ebay. Originally posted by Mr.

AB International amp?any good

Advertise on the sreies comprehensive and widely viewed musicians’ website. I was shocked at the sound. Eventually it toasted the two 12″ drivers in the sub when I decided to crank some tunes after a night of partying. Chaos I would like some info on these amplifiers. Log in or Sign up.

In the days of assorted pretty blinking lights, and, sleek appearances, AKA 80’s AB Amplifiers lost the race for looking too plain Jane. The internatinoal an uprated but with a very clever and absolutely unique twist that made it an excellent performer into reactive loads.

The date of manufacture is coded in the serial number I just picked up a ab international precedent series amp.

AB International Amps???

They also feature robust output stages that can drive reactive loads very well. I have never seen this with any other amp. Mids just poured out of the Kefs, three dimensional and rich with complexity.

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Authoritative on the low frequencies. KerbJul 1, The AB amps are good solid amps. Not to mention the Toroidal version, tend to get hotter than the Iron version Read idle temperature when it was driving 4 ohm loads. IsotonicJan 23, What do you expect. No, create an account now.

AB International Amps – Amplifiers

Share This Page Tweet. You must log in or sign up to reply here. Perhaps some info there? I thought I’d track down a pro amp for the sub, and went to a place precedwnt the south side of Milwaukee as I recall. I just got one of these and used it to drive my Kef s. I havnt hooked it up yet but was wondering if internationxl knows anything about this brand.

I’ve read a lack of marketing, put the final nail in AB’s coffin. By heating issues, I mean the A’s heatsink would be warm just idling, whereas, the would be cold.