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Go Back   Blu-ray Forum > Audio > Pre/Pro, Amplifiers and Separate Systems

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Old 02-04-2013, 03:47 PM   #201
v_squared123 v_squared123 is offline
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Quote:
Originally Posted by cembros View Post
Balanced refers to the connection between the amp and the processor. Bananas are used for speaker connections, amp to speaker. You can use this amp with a processer that is either balanced (xlr) or unbalanced (rca).
Got it confused again. Sorry. What I mean is XLR or balanced to RCA. RCA from the prepro or receiver to the amp XLR ( if such a cable exists ) this way like I said above I wouldn't need to hunt for a prepro that has balanced outs and I could get a lower priced receiver! Does this make sense?
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Old 02-04-2013, 03:52 PM   #202
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Quote:
Originally Posted by v_squared123 View Post
Got it confused again. Sorry. What I mean is XLR or balanced to RCA. RCA from the prepro or receiver to the amp XLR ( if such a cable exists ) this way like I said above I wouldn't need to hunt for a prepro that has balanced outs and I could get a lower priced receiver! Does this make sense?
Yes that cable does exist. You wouldn't need it though because the amp has rca inputs. Bottom line, you don't need a processor with balanced xlr inputs.
Pioneer PRO-111FD
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Old 02-04-2013, 07:26 PM   #203
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Quote:
Originally Posted by cembros View Post
Yes that cable does exist. You wouldn't need it though because the amp has rca inputs. Bottom line, you don't need a processor with balanced xlr inputs.
Isn't there some Signal attenuation using RCA? I remember reading somewhere that big daddy had to buy some device to boost the signal on his behringer amp bc it was too weak
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Old 02-04-2013, 07:54 PM   #204
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Quote:
Originally Posted by v_squared123 View Post
Isn't there some Signal attenuation using RCA? I remember reading somewhere that big daddy had to buy some device to boost the signal on his behringer amp bc it was too weak
Read that thread Big Daddy linked (especially the section he talked about) and it should help you understand why he needed the converter.These Crown's can be driven just fine with just your average RCA pre-out on AVR's though.
My Current Setup:
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Onkyo TX-NR818 Amps: Crown XLS 1500 (Mains), Dayton Audio SA230 (Sub) Display: BenQ W1070 on Elite Screens Silver Frame series 84" Front L/R Speakers: Polk Audio Monitor 70's Center Speaker: Polk Audio CS2 Rear L/R Speakers: Polk Audio Monitor 30's Sub: 1 DIY 12 Inch Sealed sub Blu-Ray/Gaming/Music/TV: Custom built desktop computer
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Old 02-04-2013, 11:29 PM   #205
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Quote:
Originally Posted by prerich View Post
Gentlemen.....he has officially taken the Red Pill!!!!
He pretty much has me convinced to give Crown a shot. I like the QSC, but after that testimony...I'm about ready to give it a shot.
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Old 02-05-2013, 02:57 AM   #206
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Quote:
Originally Posted by v_squared123 View Post
Isn't there some Signal attenuation using RCA? I remember reading somewhere that big daddy had to buy some device to boost the signal on his behringer amp bc it was too weak
Yes, there is a reference voltage difference between XLR and RCA. Also, when you use an XLR to RCA cable, the end result will be unbalanced and you lose all the advantages of balanced connection.

An alternative way when you are connecting an unbalanced output to a balanced input is to use a converter box. I use two Samson S-Convert converter boxes to connect the preouts from the receiver to the pro amps. They were around $50 each. All of this is explaned in the middle of Post #1 in the Behringer Pro Amplifier thread.

Samson no longer makes the S-Convert boxes. You can buy the Art Cleanbox Pro or Rolls Promatch converter boxes.

http://www.amazon.com/ART-CLEANBOXPR...onverter+boxes

http://www.amazon.com/Rolls-MB15b-MB...onverter+boxes
HT Room: Panasonic PT-AE8000, Epson 1080UB Proj., Mitsubishi 65" Diamond Series HD TV, Yamaha-RX-A3010 Rec., CinePro 6-Ch. Amp. (350 W/Ch, 8 Ohm), Proton D1200 Amp., Behringer EP4000 & EPX3000 Amps., Oppo BDP-83, Sony BDP-S790, Audio Technica Tuntable, Mitsubishi S-VHS, 2 Def. Tech. Super Towers w 15" subs, 1 Def. Tech. Center & 1 Martin-Logan Center, 2 Def. Tech. Surr. & 2 PSB Surr., 2 Cadence Presence, 2 Bose 901 Rears, 2 Modified HSU 12" Subs, 1 ED DIY 12" Sub, 1 ED DIY 15" Sub, Velodyne SMS-1 Subwoofer Equalizer, DirecTV HD, Monster HTS 5000 & APC H15 Power Conditioners.
Two-Channel Room: XiangSheng Tube Preamp., Carver TFM-45 Amp. (375 W/Ch), Behringer EPX4000 Amp., Onkyo CD player, Denon Turntable, Yamaha Tuner, 2 Vintage Polk RTA-15TL Speakers, 2 LCY 100 Super Tweeters, 2 DIY Folded Horn Super Towers with 15" Sub., 1 Modified AA HD-SUB12
Family Room: Mitsubishi 73" Diamond Series TV, Yamaha DSP-A3090 Rec., DirecTV HD-DVR, PS3, Zvox Speaker, 1 DIY 12" Sub.
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Old 02-05-2013, 05:58 PM   #207
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Quote:
Originally Posted by Big Daddy View Post
Yes, there is a reference voltage difference between XLR and RCA. Also, when you use an XLR to RCA cable, the end result will be unbalanced and you lose all the advantages of balanced connection.

An alternative way when you are connecting an unbalanced output to a balanced input is to use a converter box. I use two Samson S-Convert converter boxes to connect the preouts from the receiver to the pro amps. They were around $50 each. All of this is explaned in the middle of Post #1 in the Behringer Pro Amplifier thread.

Samson no longer makes the S-Convert boxes. You can buy the Art Cleanbox Pro or Rolls Promatch converter boxes.

http://www.amazon.com/ART-CLEANBOXPR...onverter+boxes

http://www.amazon.com/Rolls-MB15b-MB...onverter+boxes
Yes I do remember reading your thread about that! Im wondering if the reference voltage levels would differ in other amps besides the behringer models as Cembros hasn't mentioned any problems with his RCA lines
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Old 02-05-2013, 07:16 PM   #208
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Quote:
Originally Posted by v_squared123 View Post
Yes I do remember reading your thread about that! Im wondering if the reference voltage levels would differ in other amps besides the behringer models as Cembros hasn't mentioned any problems with his RCA lines
I don't have any problems but I do have to set my levels pretty high, around +8 with the gain at the 3 o'clock position.
Pioneer PRO-111FD
Pioneer SC-05
Two Crown XLS-2500's
Sony BDP-790
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LSI7's, Dual HRS12's
PS3 80g
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Old 02-05-2013, 10:18 PM   #209
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Quote:
Originally Posted by v_squared123 View Post
Yes I do remember reading your thread about that! Im wondering if the reference voltage levels would differ in other amps besides the behringer models as Cembros hasn't mentioned any problems with his RCA lines
This has absolutely nothing to do with Behringer or any other type of amplifier. It is just a difference in voltage levels between balanced (XLR) and unbalanced (RCA).
HT Room: Panasonic PT-AE8000, Epson 1080UB Proj., Mitsubishi 65" Diamond Series HD TV, Yamaha-RX-A3010 Rec., CinePro 6-Ch. Amp. (350 W/Ch, 8 Ohm), Proton D1200 Amp., Behringer EP4000 & EPX3000 Amps., Oppo BDP-83, Sony BDP-S790, Audio Technica Tuntable, Mitsubishi S-VHS, 2 Def. Tech. Super Towers w 15" subs, 1 Def. Tech. Center & 1 Martin-Logan Center, 2 Def. Tech. Surr. & 2 PSB Surr., 2 Cadence Presence, 2 Bose 901 Rears, 2 Modified HSU 12" Subs, 1 ED DIY 12" Sub, 1 ED DIY 15" Sub, Velodyne SMS-1 Subwoofer Equalizer, DirecTV HD, Monster HTS 5000 & APC H15 Power Conditioners.
Two-Channel Room: XiangSheng Tube Preamp., Carver TFM-45 Amp. (375 W/Ch), Behringer EPX4000 Amp., Onkyo CD player, Denon Turntable, Yamaha Tuner, 2 Vintage Polk RTA-15TL Speakers, 2 LCY 100 Super Tweeters, 2 DIY Folded Horn Super Towers with 15" Sub., 1 Modified AA HD-SUB12
Family Room: Mitsubishi 73" Diamond Series TV, Yamaha DSP-A3090 Rec., DirecTV HD-DVR, PS3, Zvox Speaker, 1 DIY 12" Sub.
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Old 02-11-2013, 06:51 PM   #210
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Well I have all my speakers installed with the center hooked up to the receiver. It is seriously lacking power so it looks like I'll need to pick up another amp. It's also on the floor which isn't helping but I need to get my TV wall mount before I can change that.
Pioneer PRO-111FD
Pioneer SC-05
Two Crown XLS-2500's
Sony BDP-790
Martin Logan Theos & Motif X
LSI7's, Dual HRS12's
PS3 80g
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Old 02-12-2013, 06:05 AM   #211
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Quote:
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Well I have all my speakers installed with the center hooked up to the receiver. It is seriously lacking power so it looks like I'll need to pick up another amp. It's also on the floor which isn't helping but I need to get my TV wall mount before I can change that.
Surely you dont mean the speakers powered by the Crown amps are lacking in power!?
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Old 02-12-2013, 01:25 PM   #212
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Surely you dont mean the speakers powered by the Crown amps are lacking in power!?
No - he's talking about his center channel lacking power because it's hooked up to the receiver He's got to get an amp for the center now.
Klipsch Cornwall L/R, Klipsch Heresy center, Definitive Technology BP2's (x4) rear, Wharfedale sw380 Subs (x2), SVS 16-46 CS (X2) 2-8 inch transmission line Subs (rear), Yamaha power Amps mx830 (x2), Adcom 5503 3 channel power amp, Behringer EP4000 Power amp, BD HTPC, Xonar Essence ST/H6 modified Burson Supreme Discreet Opamps, Da-lite 16:9 106" Screen, BenQ 3D Projector, LG 55 inch LED TV.
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Old 02-13-2013, 01:08 AM   #213
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No - he's talking about his center channel lacking power because it's hooked up to the receiver He's got to get an amp for the center now.
You sir are correct. Have to get it off the floor too.
Pioneer PRO-111FD
Pioneer SC-05
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Sony BDP-790
Martin Logan Theos & Motif X
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Old 02-13-2013, 02:41 AM   #214
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Originally Posted by prerich View Post
No - he's talking about his center channel lacking power because it's hooked up to the receiver He's got to get an amp for the center now.
Oh I see. Crown 1500 should do the trick. Addicting, this hobby is.
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Old 02-13-2013, 02:42 AM   #215
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Originally Posted by cembros View Post
You sir are correct. Have to get it off the floor too.
Make a DIY centre stand?
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Old 02-13-2013, 03:57 PM   #216
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Make a DIY centre stand?
No need, it has a stand. I'll put it ontop of my standout designs horizon cabinet, I'm just waiting for my TV mount to come in.
Pioneer PRO-111FD
Pioneer SC-05
Two Crown XLS-2500's
Sony BDP-790
Martin Logan Theos & Motif X
LSI7's, Dual HRS12's
PS3 80g
Panamax M5100-PM
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Old 02-16-2013, 05:18 AM   #217
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Guys, does anybody know what type of video processing chip the Emotiva XMC 2 offers? And, simply, is it good!? I noticed the Emotiva UMC 2 doesnt have any video post processing capabilties. Neither does the Outlaw 975. They both pass through the signal to the display. At $1499 I would hope the XMC 2 has some sort of video processing feature for 2D and 3D. The other affordable prepro ive looked at is the Marantz AV7005 which has balanced outs ( Yay! ) but i cant seem to find any comments about its video processing either, like if its blessed with a Qdeo chip, or anchor bay chip, etc.

Wondering if you guys could share some insight into this debacle of mine :S

Would it make sense if i added a DVDO edge or iScan Duo to the mix? As a video processor between the prepro and tv display? Atleast that way I can upgrade each component if somethign better comes out without having to worry about adding something i dont need?

Cemrbos, what do you got going on bro? How does your setup look like?

Last edited by v_squared123; 02-16-2013 at 05:32 AM.
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Old 02-16-2013, 05:39 AM   #218
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Im also about to purchase my first set amplifiers! Woohoo! What i have lined up are three Crown XLS amps. Right now im finding out which amp would be best. Deciding how many watts i would need and if it makes sense to get the 2500 over the 1500. Both have the same S/N ratio but the 2500 has about 500 watts more in bridge mode ( 8 ohms ) and 140 watts more in two channels...hmm...since a 3 db increase requires twice the amount of wattage, i would only get that bump in performance if the XLS 2500 amp gives me 2x the power of the XLS 1500 in 2 channel mode or bridged....So....two channels I would need atleast 600 watts ( with the XLS 1500 of 300 watts and the XLS 2500 of 440 watts ) to get a 3 db increase and bridged I would need exactly 2100 watts to be 3 dbs louder. If im right, i guess it makes sense to just get an XLS 1500 for each channel since the change in decibels per wattage would be minimal at best ?

All in all that would be about $1197.00 according to parts express. Not too bad for 1050 watts per channel of clean, unadulterated, dynamic, powerful wattage!

Last edited by v_squared123; 02-16-2013 at 05:45 AM.
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Old 02-16-2013, 03:56 PM   #219
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Quote:
Originally Posted by v_squared123 View Post
Im also about to purchase my first set amplifiers! Woohoo! What i have lined up are three Crown XLS amps. Right now im finding out which amp would be best. Deciding how many watts i would need and if it makes sense to get the 2500 over the 1500. Both have the same S/N ratio but the 2500 has about 500 watts more in bridge mode ( 8 ohms ) and 140 watts more in two channels...hmm...since a 3 db increase requires twice the amount of wattage, i would only get that bump in performance if the XLS 2500 amp gives me 2x the power of the XLS 1500 in 2 channel mode or bridged....So....two channels I would need atleast 600 watts ( with the XLS 1500 of 300 watts and the XLS 2500 of 440 watts ) to get a 3 db increase and bridged I would need exactly 2100 watts to be 3 dbs louder. If im right, i guess it makes sense to just get an XLS 1500 for each channel since the change in decibels per wattage would be minimal at best ?

All in all that would be about $1197.00 according to parts express. Not too bad for 1050 watts per channel of clean, unadulterated, dynamic, powerful wattage!
What speakers do you have again?
Pioneer PRO-111FD
Pioneer SC-05
Two Crown XLS-2500's
Sony BDP-790
Martin Logan Theos & Motif X
LSI7's, Dual HRS12's
PS3 80g
Panamax M5100-PM
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Old 02-16-2013, 08:51 PM   #220
v_squared123 v_squared123 is offline
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What speakers do you have again?
Polk rti12s and csi a6
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