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Amp Camp Amp - ACA
Amp Camp Amp - ACA
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Old 11th August 2018, 07:10 PM   #5161
motospark is offline motospark  United States
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Hi all, Question about the Switch on the back and the XLR connector. From the pictures posted for the 1.6 build that the XLR connector is installed along with the unbalanced input RCA inputs. Is the Switch on the back used to switch between using the Amp as a mono block or Stereo? I'm confused to this addition from the 1.5 version.

Yes I'm a novice building, and please excuse me if this has been covered elsewhere .

Good luck on all your builds.

Mark
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Old 11th August 2018, 08:52 PM   #5162
Mr_Zenith is offline Mr_Zenith  United States
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Amp Camp Amp - ACA
Mpitogo, that is one nice setup! I especially like the McIntosh and the Denon TT. Is it a direct drive? I ask because I was able to score a nice DP-1250 a few months back and found it to be phenomenal (not quite SP-10 material, but good enough for me at least).

Motospark, the short answer is 'yes'. But I'll let those more experienced than myself chime in with more details as I haven't yet tried mine in bridged mode.

Last edited by Mr_Zenith; 11th August 2018 at 08:54 PM.
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Old 11th August 2018, 09:13 PM   #5163
6L6 is offline 6L6  United States
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motospark -

The switch is not necessarily used to make it a monoblock, if you use the XLR, it's going to be bridged automatically. It is, however, used to make it bridged mono from the RCA inputs.

Stereo single ended, use RCA connectors on both RCA jacks and attach L and R speaker to the respective speaker posts.

Monoblock XLR, use the XLR jack and take speaker output from the two black posts.

Monoblock RCA, use the Left RCA for input, leave the right empty, flip the switch up, and take speaker output from the two black posts.
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Old 11th August 2018, 09:55 PM   #5164
johnnycamp5 is offline johnnycamp5  United States
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That's a great breakdown 6L6.
I would suggest including it in the upcoming ACA 1.6 build guide lol.
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Old 11th August 2018, 10:39 PM   #5165
starkeyg is offline starkeyg
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Hello,

Just finished building an amp camp amp. Very nice sounding, plenty loud with my 4PI speakers. Surprising how much bass they drive the 15" driver with.
Great kit. Thanks to all who worked so hard to produce them.

Greg
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Old 11th August 2018, 10:42 PM   #5166
6L6 is offline 6L6  United States
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Good idea!

(I should probably finish the guide, huh...?)

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Old 11th August 2018, 11:00 PM   #5167
johnnycamp5 is offline johnnycamp5  United States
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Quote:
Originally Posted by starkeyg View Post
Hello,

Just finished building an amp camp amp. Very nice sounding, plenty loud with my 4PI speakers. Surprising how much bass they drive the 15" driver with.
Great kit. Thanks to all who worked so hard to produce them.

Greg

I own those exact speakers and was looking forward to how they sounded with the ACA's!


Are you using one or did you build mono blocks?
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Old 12th August 2018, 01:17 AM   #5168
Mr_Zenith is offline Mr_Zenith  United States
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I don't want to speak out of turn here, but I've just now had the opportunity to listen to this thing (ACA non-bridged stereo) through a pair of ~99 dB Klipsch KLF 20's. I imagine your 4Pi setup is of comparable efficiency.

You're gonna' have a blast.

Trust me.
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Old 12th August 2018, 03:04 AM   #5169
RafaPolit is offline RafaPolit  Ecuador
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Quote:
Originally Posted by nycavsr2000 View Post
...Whenever I run into these mishaps, especially with SMD components, I use Chip Quik...
I'll keep my fingers crossed for you...
Best,
Anand.
Thanks a lot! Yeah, that sounds like an amazing thing! I'll be sure to have it for any future builds.

Quote:
Originally Posted by Alan4411 View Post
Hi Rafa,
Most likely it will be fine.
If you have a multimeter with a 'Diode' test on the ohms range you can check it out...

Alan
Thanks! I'll do that test tomorrow before doing the cable work inside the chassis.

I hope all is good, thanks for all the good wishes. Best regards,
Rafa.
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Old 12th August 2018, 03:06 AM   #5170
RafaPolit is offline RafaPolit  Ecuador
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In regarding to the cabling inside the case, I had an electronics question: why are we combining the chassis earth or ground to the negative of the power supply?

Is this a requirement? Is it easier? Would there be any benefits / Problems if one were to separate the chassis with the negative voltage?

As always, just trying to understand the process behind what we do. Thanks in advance,
Rafa.
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