I have an SVT2 pro. I would like to run it bridged. I have two quarter inch speaker outputs and one set of red and black banana clips. How can I run it bridged or are the banana clips already bridged?
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Ampeg SVT2 pro question
- Thread starter vanmax1313
- Start date
- Feb 12, 2006
- 60,952
- 5
- 220,599
- Disclosures
- Development Engineer-Mesa Boogie, Development Engineer-Genzler (pedals), Product Support-Genz Benz
Ummm, unless I am missing something critical, why would you want to run an amp with a single power amp channel that can't possible be bridged... bridged?
Is this something that you heard out of context recommended?
I am not aware of any all-tube instrument amps that are bridgeable.
Most SVT 2-Pros do not have banana jacks. It took some hunting, but I found an image for the version with the banana jacks. I believe it's the Premiere Edition. Here is a related thread. Ampeg SVT-II Pro Premiere Edition
The thread indicates only 250 Premiere Edition SVT 2-Pros were made...so it's sort of a rare bird.
Here is snip of output jack panel, from the thread.
The 1/4" jacks and banana plugs are wired in parallel, so you can use either or both.
The amp expects either 2 ohms or 4 ohms. Figure out the load of all speakers connected in parallel, then set the impedance switch to the expected load.
Although SVTs are supposed to be safe running the impedance one order higher than expected, it's harder on the tubes and output circuits, and it reduces how much power the amp can make. IMHO I recommend avoiding an impedance mismatch if possible.
- Feb 12, 2006
- 60,952
- 5
- 220,599
- Disclosures
- Development Engineer-Mesa Boogie, Development Engineer-Genzler (pedals), Product Support-Genz Benz
The banana jacks were discontinued presumably to meet the European requirements for "touch-proof" outputs, but in reality there were so many mis-interpretations of this requirement (contained in IEC-60065) that in fact the amp may have passed depending on the test lab and examiner interpretation.
The banana terminals are the positive (+) and negative (-) of the single output.
Under no circumstance should you ever short the two terminals together!!!
Do not confuse this with bridged terminals used on some hifi speakers to run full range instead of biamped.
I would recommend using only the 1/4" outputs with the correct speaker load. Forget the banana terminals even exist.
Under no circumstance should you ever short the two terminals together!!!
Do not confuse this with bridged terminals used on some hifi speakers to run full range instead of biamped.
I would recommend using only the 1/4" outputs with the correct speaker load. Forget the banana terminals even exist.
- Feb 12, 2006
- 60,952
- 5
- 220,599
- Disclosures
- Development Engineer-Mesa Boogie, Development Engineer-Genzler (pedals), Product Support-Genz Benz
Maybe, but it seems pretty obvious that it’s a different amp with big ‘ol output tubes
Are you sure about the amp you own? Bridging an single power section is simply impossible. Especially since its a tube amp.
May we have a picture of it?
JeezyMcNuggles
Inactive
- Feb 23, 2018
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It's not a stereo amplifier. It only has one power section, and every output is wired in parallel.
Lol yeah I'm an idiot I misinterpreted something that I read thanks for the heads up and jokes on me
You probably read the features of the svt4 pro thinking it was the 2 pro. They look the same. But the 4 pro is 3u and the 2 pro is 4 u. Also, the weight is not the same and one is SS power section, the other full tube.
