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 Post subject: Amplification Question for Gearheads
 Post Posted: Mon Sep 14, 2015 1:42 pm 
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Joined: Fri Jun 19, 2015 12:45 pm
Posts: 8
I'm interested in setting up a two channel rig so that I can run my 4003 in stereo (Rick-O-Sound). My goal is simple... start with a foundation that I can ("inexpensively") build on and add components as finances allow.

Here's what I'm considering as the desired end result, but would like to hear your thoughts/feedback.

(2) Tech21 Sansamp RBIs
(1) 2 channel power amp (ex. Crown XLS1500)
(1) 4x10 cab
(1) 1x15 cab (or another 4x10)

In my eyes, I could start with one RBI, the power amp and a cab and be up and running. Then at a later date, add the second RBI and cab.

This way the rig can stay "small".

Thoughts?


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 Post subject: Re: Amplification Question for Gearheads
 Post Posted: Tue Sep 15, 2015 12:33 am 
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Joined: Wed Jan 16, 2008 3:58 am
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Not too different that what I use:
Attachment:
CJ7_0793.jpg [41.9 KiB]
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 Post subject: Re: Amplification Question for Gearheads
 Post Posted: Tue Sep 15, 2015 5:55 am 
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cjj wrote:
Not too different that what I use:
Attachment:
CJ7_0793.jpg


Nice. What do you have in the other three slots? Only thing my old eyes can recognize is the Lexicon unit.

What do you use for cabs?


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 Post subject: Re: Amplification Question for Gearheads
 Post Posted: Wed Sep 16, 2015 12:41 am 
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Joined: Wed Jan 16, 2008 3:58 am
Posts: 1336
Location: En Zed
From top to bottom:
SansAmp RPM
SansAmp RPM
Rane DC-24 Stereo Compressor
Lexicon MX200
Rane AC-22B Stereo Active Crossover
Custom made input switching (stereo/reverse/mono) with high impedance buffering, headphone amp with mixer for practice.

I've used Ampeg 410's & 115, went to a pair of Ampeg 210s and a pair of Ampeg 115s.


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 Post subject: Re: Amplification Question for Gearheads
 Post Posted: Wed Sep 16, 2015 4:16 pm 
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Joined: Mon Aug 08, 2005 1:00 pm
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Location: NE Ohio
If it were me, I'd use two of the same cabinets. Some day I will do exactly that with these two cabinets for a nice, small stereo rig. They are mirror imaged so I can set them up side by side with good imaging. I just need a second Tone Hammer 500 (the Walter Woods in the photo is long gone), and run through my Strymon Flint, which has some excellent sounding reverbs and it can double as a ROS box using it in stereo mode and run a TRS to TRS cable from the 4001 into the TRS input on the Flint.


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 Post subject: Re: Amplification Question for Gearheads
 Post Posted: Fri Sep 18, 2015 11:27 am 
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Yes, using two of the same cabinets is a great way to go.

I use 10s & 15s because I don't actually run stereo. I use the active crossover to split the signal into high and low channels, then run the low to the 15s and the high to the 10s...


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 Post subject: Re: Amplification Question for Gearheads
 Post Posted: Fri Sep 18, 2015 3:46 pm 
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...well, that's a different application. 8-) I did a bi-amped system back in the late '70s when I used a 1st generation greenface Furman PQ-3 > Furman TX-2 > Crown D-150A > Acoustic 402 with EVM15L drivers and a large EV 800 Hz midrange horn and driver. That was during the time period when I had my mid '70s 4001.

It is amazing how we got plenty loud enough with so little power back then. :mrgreen:


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 Post subject: Re: Amplification Question for Gearheads
 Post Posted: Sat Sep 19, 2015 9:36 pm 
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Maybe we could just hear better back then...
:shock: :lol: :lol:


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 Post subject: Re: Amplification Question for Gearheads
 Post Posted: Sun Sep 20, 2015 12:37 pm 
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What? I didn't get that. :lol:


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 Post subject: Re: Amplification Question for Gearheads
 Post Posted: Thu Sep 24, 2015 4:09 am 
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Joined: Mon Mar 12, 2007 1:44 am
Posts: 75
Location: UK
Assuming this if for a live gigging situation (ignore me otherwise ;) )...

Another option which keeps costs down and the rig small is to simply run each pickup through an RBI each then the outputs into a mini mixer and thereafter to the power amp (which can then be bridged for extra power if needs be) and then into a single speaker cab. The logic here is that in a live situation if you're going to go through the PA your signal will be sent through a mixing desk and all be output through the same PA speaker unless your sound engineer is happy to run two channels for you. So why spend extra money/set up time/transportation for something only you on stage will hear through two separate cabs?

The other thing to consider is the placement of the speakers. Side by side means you have to stand in the sweet spot between them for the best effect and vertical stacking means the highs are more dominant from the cab nearest your ears which makes it harder to get a balanced sound between the two channels.

Good fun though :D


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