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bi-amp / bi-wiring speakers

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Sean

User avatar

Newbie

Posts: 43

Joined: Sun Nov 22, 2009 11:54 pm

Location: Washington, DC

Post Fri Dec 04, 2009 3:43 pm

Re: bi-amp / bi-wiring speakers

I am re-building my HT system now with separates (I used to have a NAD receiver). Given the equipment now at my disposal, I want to know people's opinions about what configuration might work best. I have B&W Matrix 805 speakers for my fronts and center channel and B&W 601 speakers for the rear (these are more efficient). I have two Carver multi-channel amps at my disposal - 1) an AV 405 (100x2, 100x1, and 50x2, but with power steering theoretically); 2) a 806x (which will return from Rita's in a few weeks) that is 6x133 watts. All of my speakers already have two sets of posts for the wires, and I have thus far been bi-wiring. I was thinking of bi-amping....which of these options makes more sense?:

1) Just bi-amp my fronts with the 806x using two channels per speaker? Then, I could use either the two 100 watt channels from the 405 for the rears, or bi-amp the 405 using the 100 watt channels for bass and the 50 watt channels for the highs. Either way, I would not be using the 110 watt channel on the 405.

2) Bi-amp the fronts using the 806x for bass (i.e. 133 watts) and the 405 for the highs (100, 110, 100 for L,C,R) and run the rears just using channels from the 806x - this would leave one channel of the 806x unused and the 50 watt channels of the 405 unused.

3) Bridge the 806x into three channels of 360 watts into 8 ohms each for the fronts and center and use the 405 to power the rears

Since both of these amps have this power steering feature, theoretically wattage would not be wasted with empty channels since power would be steered to those channels that need them.

I know this is a bit complex, and I am a newbie at this kind of stuff, but any advice on an optimal configuration?

I just want to get the most quality out of my speakers, especially for music. This is all in a fairly small room about 14'x10'
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My gear:
HT and music at home:
Amps: Carver 806x (fronts), Carver TFM 15cb (rear)
Pre-amp: JBL Professional (JBL badged Lexicon MC-6)
Speakers: B&W 805 Matrix (fronts), B&W 601 (rear)
Sub: Epik Vanquish
Music at the office:
Amp: Sherwood S5000 II tube integrated
Speakers: B&W 620
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bsturgeon89

User avatar

TFM-55

Posts: 788

Joined: Sun Sep 27, 2009 10:42 pm

Location: Findlay, Ohio

Post Fri Dec 04, 2009 4:48 pm

Re: bi-amp / bi-wiring speakers

Toy Maker wrote:Just an "inexpensive" idea/option.

I plan to buy one of these puppies to try out with my AL-V's and then give the Clearview back to my father, and give Tom his EQ back...
This thing is (3-way) and 2-way-able. with 30 band Eq... For $150... I'm going to try it.

The thing is built like a TANK too !!!!

http://www.sonicelectronix.com/item_583 ... 0EQX.html#

Image

30 Band Parametric Equalizer with 3-Way Crossover
Brushed Aluminum Finish
Flush Mount Panel
Removable Aluminum Handles
PWM Switching Power Supply
Power and Clip LED Indicator
+-12dB EQ Boost / Cut
Subwoofer Control:
Variable Input Gain Control
Variable Crossover Frequency: 45 - 500 Hz
Mode Switch (Subwoofer / Full)
0 - 12 dB Variable Bass Boost
25 - 250 Hz Variable Bass Frequency
0° - 180° Phase Control
Mid-Range Controls:
Variable Input Gain Control
Mode Switch (LPF / Full)
45 Hz - 1.6 kHz Variable Crossover Frequency
Variable Equalizer Frequency Range: 25Hz, 32Hz, 45Hz, 63Hz, 80Hz, 100Hz, 125Hz, 180Hz, 200Hz, 250Hz, 325Hz, 400Hz, 500Hz, 650Hz, 800Hz, 1kHz, 1.3kHz, 1.6kHz, 2kHz, 2.5kHz, 3.2kHz, 4kHz, 5kHz, 6.4kHz, 8kHz, 10kHz, 12kHz, 14kHz, 16kHz, 18kHz
Tweeter Controls:
Variable Input Gain Control
Mode Switch (HPF / Full)
Frequency Multiplier Switch (x1, x10)
50 Hz - 5 kHz Variable Crossover Frequency
Variable Equalizer Frequency Range: 25Hz, 32Hz, 45Hz, 63Hz, 80Hz, 100Hz, 125Hz, 180Hz, 200Hz, 250Hz, 325Hz, 400Hz, 500Hz, 650Hz, 800Hz, 1kHz, 1.3kHz, 1.6kHz, 2kHz, 2.5kHz, 3.2kHz, 4kHz, 5kHz, 6.4kHz, 8kHz, 10kHz, 12kHz, 14kHz, 16kHz, 18kHz
Signal to Noise Ratio: 85 dB
THD: 0.05%
Input Impedance: 20k Ohm
Output Impedance: 150 Ohms
Dimensions: 19-3/4" L x 8-3/4" W x 2" H
2-year Manufacturer's warranty


Did you ever do this TM? If so, what were your findings?
Carverfest 2010 quote...I can't explain it right now, I'm drunk...

GO BUCKEYES
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elgrau

SILVER-7 TUBE AMP

Posts: 2889

Joined: Wed May 31, 2006 9:33 pm

Post Fri Dec 04, 2009 6:50 pm

Re: bi-amp / bi-wiring speakers

FYI, linky says this product has been discontinued.....getting it from ePray, Toymaker?
Family room: 400 disk changer with PS Audio Digital Link III DAC; Technics SL-1100A TT. QED Quenx1 IC's from DAC & TT to Adcom GTP-602 preamp/Tuner. AudioQuest King Cobra IC's from preamp to M1.0t mk-II opt2. QED Silver Spirals 4M wires to EPI 1000’s.
Living room: AudioQuest Black Mamba 8M IC's from family room preamp to Barcus-Berry 2002R Sonic Maximizer to GlowPower Zyxt IC's to Sunfire 300x2 to Nordost 6M bi-source wires to AOS 28" MDF spherical speakers using six 8" woofers and eight 1" dome tweeters symm. arranged around the surface.
SS system: CX-995V DVD to AV-705x 5 channel amp (center/rears) & M1.0t mk-II opt2(fronts).
Garage: TLM-3600 CDP to MXR150 Receiver (pre) to TFM-42 to EPI 400 speakers.
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