melomane13
Active Member
Amplifiers not have "sound"I had one in my cart to purchase. I decided to wait and see what others say about how it sounds versus the measurements. I guess I will purchase in the next batch.
Amplifiers not have "sound"I had one in my cart to purchase. I decided to wait and see what others say about how it sounds versus the measurements. I guess I will purchase in the next batch.
I think just the high pass filter would do as almost all subs have their own LP filters.
Personally I would take it without the HP as it isn't so difficult to build an external HP filter and then that can be used with any amp. What holds me back is the unattractiveness of the design and I find myself wondering how the case is constructed and how difficult it might be to replace the front plate with a bit of wood or acrylic, or even just plain black paint. shallow I know but it caused me sufficient hesitation not to rush into an order.
If you really want to carry out a meaningful and comparative hearing test and do not want to advantage or disadvantage one group of opinions or one device, then you must exclude or minimize all external physical influences as far as possible. Any kind of favoritism or mutual influence must also be ruled out.Why?
If you really want to carry out a meaningful and comparative hearing test and do not want to advantage or disadvantage one group of opinions or one device, then you must exclude or minimize all external physical influences as far as possible. Any kind of favoritism or mutual influence must also be ruled out.
I have experienced several times how developers had to throw away weeks or months of expensive development time due to errors in their test setups during listening tests because they were chasing an effect/phenomenon of their own making.
Whilst I’m sure you can build your own HP filter, or I suspect any other component, most people can’t, and would just prefer it to be there.
I know that you have said it with respect to A70 which has close to flat frequency response.Amplifiers not have "sound"
Unless they are incompetently designed or operating outside their limits when all bets will be off.Amplifiers not have "sound"
How? You’d have to tap into the PCB or wiring inside in order to do so, not? At least with the sub out you can run it into your own box with an active crossover.I think just the high pass filter would do as almost all subs have their own LP filters.
Personally I would take it without the HP as it isn't so difficult to build an external HP filter and then that can be used with any amp. What holds me back is the unattractiveness of the design and I find myself wondering how the case is constructed and how difficult it might be to replace the front plate with a bit of wood or acrylic, or even just plain black paint. shallow I know but it caused me sufficient hesitation not to rush into an order.
A small project box with (unless you have balanced connections) RCA connectors between pre and power amps. Or between line source and amp if you are running an integrated.How? You’d have to tap into the PCB or wiring inside in order to do so, not? At least with the sub out you can run it into your own box with an active crossover.
You realize there is no pre-out for the main speakers?A small project box with (unless you have balanced connections) RCA connectors between pre and power amps. Or between line source and amp if you are running an integrated.
Here's a random google search result that has some pictures and even a link to a calculator for selecting your components.
https://www.audiocircle.com/index.php?topic=181310.0
This!Has anyone bought this amplifier?What an impression.
Could you rephrase the question so that I'm sure what you are asking please?You realize there is no pre-out for the main speakers?
This amp (and others like it, with a sub out) does not have a main pre-out. All the routing of the main signal pass-through is done internally in the chassis, so I don't see any opportunity for someone to readily add an external or otherwise discrete high-pass box, except for 2 ways: 1) do it with passive filtering, which is pretty lame, and 2) solder some wires into the chassis to pull out the signal, and then re-feed it back in after the external active filter. Are there other ways to do it that I'm not seeing?Could you rephrase the question so that I'm sure what you are asking please?
OK, lets as an example say that you are feeding an analogue line level signal, e.g. from a DAC, into a simple integrated amp that doesn't let you split pre and power amp section inputs. In that case you might connect the DAC to the HiPass filter's RCA inputs and then connect the HiPass filter's RCA outputs to the amplifier's RCA line level inputs.This amp (and others like it, with a sub out) does not have a main pre-out. All the routing of the main signal pass-through is done internally in the chassis, so I don't see any opportunity for someone to readily add an external or otherwise discrete high-pass box, except for 2 ways: 1) do it with passive filtering, which is pretty lame, and 2) solder some wires into the chassis to pull out the signal, and then re-feed it back in after the external active filter. Are there other ways to do it that I'm not seeing?
Yes indeed, none of these solutions are ideal. Even if you do as per above you have the limitation that the hipass filter will be for a single input, so if you have multiple inputs you will need multiple filters , or some sort of switching arrangement.Ah, OK, I see what you mean. Yes, that's quite possible, but you do then have to include a volume control in this upstream high-pass box, otherwise the levels for the mains vs the sub will be out of sync.
Or, you use a DAC (or whatever source) with a built-in volume control. Which not all DACs have, so if one is planning to do something like this, they should get a DAC with volume control "just in case".