Speakerplans.com Homepage
Forum Home Forum Home > General > Newbie Discussion
  New Posts New Posts RSS Feed - What size Amp?
  FAQ FAQ  Forum Search   Events   Register Register  Login Login

What size Amp?

 Post Reply Post Reply Page  <1 456
Author
Message Reverse Sort Order
Earplug View Drop Down
Old Croc
Old Croc


Joined: 03 January 2012
Location: Europe
Status: Offline
Points: 7199
Post Options Post Options   Thanks (0) Thanks(0)   Quote Earplug Quote  Post ReplyReply Direct Link To This Post Posted: 08 December 2022 at 6:26pm
You need a 3-way crossover or DSP to split the system into bass, mid & top.

The PLX3602 is fine to power the Black Widows. 2 per channel in parallel. The GX3 for the mid (Jamos). Again, 2 per channel in parallel.

For the tops, you need to find another amp. Something around 200W per channel will be fine. Use the best quality drivers you have. Maybe the Altai? And throw away the piezos!!  LOL





Edited by Earplug - 08 December 2022 at 6:27pm
Earplugs Are For Wimps!
Back to Top
SnailSpace View Drop Down
Registered User
Registered User
Avatar

Joined: 08 December 2022
Status: Offline
Points: 219
Post Options Post Options   Thanks (0) Thanks(0)   Quote SnailSpace Quote  Post ReplyReply Direct Link To This Post Posted: 08 December 2022 at 5:51pm

Thanks for the reply! I’ve been struggling with the knowledge of process the vast amounts of technical information for a newbie is confusing.


The Black Widows are from HiSYS 2 RX (1508-4 SPS BWX SPKR) I got given x2 for free then another pair on the cheap so I had a balanced system and I also had some boxes with 15” 150w in so swapped out, as you say they are bigger than the original Peavey boxes and true they aren’t really dedicated bass speakers but as I say I’m doing everything on a budget and will eventually upgrade to better boxes, dedicated bass speakers and then sell the BW or use them in the Mids.


So are you saying the amp needs to be between 2000w to 4000w? I need an amp for 4x500w to 4x1000w?


Also are sound system rigs generally connected in series when in one stack?


Do you know the rating of the rx22’s? And why do you say only x1 per stack would the other horns make the system too high and would they detract from the RX22’s?


Which amp would I run the tweeter box through? Would I bridge it into the GX3 or PLX3602?

Back to Top
Conanski View Drop Down
Old Croc
Old Croc
Avatar

Joined: 26 January 2006
Location: Ottawa, Canada
Status: Offline
Points: 2515
Post Options Post Options   Thanks (0) Thanks(0)   Quote Conanski Quote  Post ReplyReply Direct Link To This Post Posted: 08 December 2022 at 4:33pm
What model are the PV Black Widow? There were about 1/2 dozen different versions made and most were only good for mid-bass. 
What kind of boxes were they transferred to? If they are bigger that effectively reduces the drivers power handling. 
If you have one of the better drivers then 500w per will fully power them... may even overpower them on bass duty, so a single PLX3602 would suffice. 

You don't need all those tweeters, 1 rx22 per stack is plenty to outrun the rest of the rig.
Yes you need a rack crossover, a DSP based unit gives you all the tools necessary to crossover and EQ the system and provide at least basic driver protection with individual limiters. A purist may want a full analog system but you would need a whole rack full of gear to do the same job as a single DSP processor.
Back to Top
SnailSpace View Drop Down
Registered User
Registered User
Avatar

Joined: 08 December 2022
Status: Offline
Points: 219
Post Options Post Options   Thanks (0) Thanks(0)   Quote SnailSpace Quote  Post ReplyReply Direct Link To This Post Posted: 08 December 2022 at 11:27am

Hello everyone,

Before I ask any questions I’ll let you know where I’m at - I’m currently taking the step up from what would be called a mobile/home DJ set up to a (Jamaican/Dub/Reggae) stack style  Sound System for small venues. I’m doing it on a budget and have some gear already and all speakers and boxes, the info/knowledge I’m looking to learn is more based around amps/wiring etc so I don’t blow either my amp or speakers and I get the best out of what I have. I’m not really looking for changing anythin I have ‘it is what it is’ speaker wise the only thing I will be adding is an amp, maybe a rack crossover (if I have to), adding speakon and learning how to wire in best configuration.


Rack:

Rack Mixer

Gemini pre amp 

QSC GX3 - 300w at 8ohm/425w at 4ohm (continuous both driven)


Tweeters: (to be put in there own box)

X4 RX22 (Horn) 8ohm

X2 Fane J.104 (Horn) 8ohm 100

X2 Altai mht-392 (Horn) 8ohm 40w

X2 Arrow PCT 1000 (Piezo) 150w

(Not sure if mixing various tweeters is a good idea, Will they need crossovers in the box which I have or if they will need a dedicated amp given the amount/size?)


Mid:

X4 Jamo 265 (12”)

150w long

265w short

(I presume my QSC GX3 will be enough for these?)


Bass:

x4 Peavey Black Widow (15” taken out of original boxes and mounted in dedicated boxes x4)

They are 500w continuous/1000w program/2000w peak

(I understand that they should be ran at 500w but I should have an amp of 1000w) so does this mean I should have a dedicated amp of 4000w?


So my first question will be given what I have what amp/amps do I need to add?


I’ve been looking at the QSC 3602 PLX? Is this big enough for my bass section or would I need x2? (Also considered a inuke6000 or Rockville 5000?)


Please speak to me like the newbie that I am as some of the more technical language is lost on me! Thanks in advance



Edited by SnailSpace - 08 December 2022 at 11:45am
Back to Top
 Post Reply Post Reply Page  <1 456

Forum Jump Forum Permissions View Drop Down

Forum Software by Web Wiz Forums® version 12.06
Copyright ©2001-2023 Web Wiz Ltd.

This page was generated in 0.125 seconds.