minn_male42

"I feel the need - the need for speed" Top Gun - 1986

thanks for the response... the best multichannel amp that i have ever heard was a gemstone.... the amp is sold factory direct - but you can get a personal demo since you are in the minneapolis area... the designer/owner of the company lives in andover.... http://www.gemstone-audio.com/amplifiers/blue_diamond.php the amp is under $3000 and has a very impressive sound..... i had the opportunity to compare it directly to my carver professional ZR1000 digital amp on the steve's $12,000 dali speaker.... very close in sound (two channel).... give steve a call and set up a time to listen to the amp.... he will even bring one out to your house and set it up on your speakers... good luck!

why are you selling the monster amps? i remember when you first bought them and you were very pleased with the sound....

Bill seems to be the only one in this thread that has hit the nail on the head... the low impedance dips in the lower register are difficult to handle.... most low power solid state amplifiers cannot reproduce low frequencies well on RF-7's (or KLF-30's).... i use a carver pro ZR1000 digital amp that is rated for 225 watts per side at 8 ohms.... it does an amazing job on my KLF-30's.... on the first watt as well as when the musical peaks happen to go over 100 watts....

btw - i stopped the pump at $100 and my tank was still not full (chevy suburban) []

$2.99 this morning in minneapolis

why do you only have 18.5" for your front speakers? if you are putting bookshelf speakers into some sort of "entertainment system" or built into the wall, it will definitely affect the way the speakers sound..... the best sound for almost any speaker is away from the front wall at least 6" to 8" or furthur... as for tipping the RB-75's on the side..... i think that would drastically change the dispersion pattern and limit the horizontal pattern as well as introducing reflection problems from the ceiling and floor...

zip cord is sometimes also called lamp cord.... two wires molded together in a parallel fashion.... speaker wire by definition CANNOT be "balanced".... balanced cable is what pro audio systems use for interconnects - it uses two separate signal lines with a third ground line.... all speaker lines would be considered "unbalanced"..... if your speaker wire came with the term "balanced" on the package - it is simply a marketing term and has no meaning in reality.... 14 gauge or 16 gauge will usually be fine unless you have real long runs (over several hundred feet)... the attached pdf is from the belden website and lists the lengths of different gauges of wire and the percent of signal loss over those distances cheers! 12.32.pdf

i am using a pioneer elite vsx-55txi as a pre-pro with a carver pro ZR1000 digital amp to power my KLF-30's, a carver pm-125 bridged to mono for my KLF-C7, and the internal amps of the elite for the surrounds... the ZR digital amp is GREAT with my KLF-30's.... my eventual plan is to use ZR amps all around....

---------------- On 8/10/2005 3:19:28 PM dcmo wrote: ....Is the sound going to be stunning (a knock me off my feet kind of quality), or is it going to be more like that's nice but it took a lot of money to get here? ---------------- you will hear a much better bass response from ALL of your speakers as well as better clarity - esp in the center channel... i have a pioneer elite 55txi that i use for my pre-pro (and to power my rear channels)... i use two separate pro amplifiers to power my mains and center channel.... (KLF-30's and KLF-C7).... there was a very noticible improvement over the internal amps on the pioneer receiver when i switched to my carver pro amps...

---------------- On 8/9/2005 9:08:09 AM vandec54 wrote: ....Finally, could anyone recommend an amp that goes great with my reference series? ---------------- what is your price range? how many channels are you looking to power? - in many cases a two channel amplifier added to power your mains will give you a tremendous improvement in sound and it allows your receiver to power the rest of the channels with more ease....

i had the priviledge of hearing this amplifier in the designers house here in minnesota... outstanding amp!!! i recommend it very highly.... i compared it on the same speakers (dali MS-5) with my own carver professional ZR1000 digital amp and it sounded very, very close to my amp - maybe even a little better!!! if i had room on my checking account i would have left with one of the blue diamond amps that day...

i will also concur that the carver ZR amplifiers work very well with klipsch speakers... as many of you know - i power my KLF-30's with a stock ZR1000.... simply the best amp i have ever heard on my speakers!!! if i had the cash (or the room on my credit cards) i would buy the ZR1600 in a flash and move my ZR1000 to power my surrounds!!! good luck with your sale!!!

---------------- On 5/10/2005 12:32:51 AM hooting_monkey wrote: Hey I was wondering what you all thought about this: http://www.radioshack.com/product.asp?catalog%5Fname=CTLG&category%5Fname=CTLG%5F007%5F004%5F002%5F000&product%5Fid=31%2D5038 It's just gonna be driving a pair of SB-1s off my computer, so it isn't a big deal if it isn't the best sound possible. ---------------- before i would buy ANY onkyo receiver..... i would get one of these for $189 http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=64451&item=7320685307&rd=1 Crown XLS202 amp.... 145 watts per channel of real power with excellent sound and the ability to handle low impedance loads there is a user over on AVS forum that uses four of the next model up in this series to power his THX ultra klipsch speakers (the XLS402) Specifications The following applies to units in Stereo mode with 8-ohm loads and rated input sensitivity unless otherwise specified. Performance Sensitivity (volts RMS) for full rated power at 4 ohms, XLS-202: 0.725 XLS-402: 1.025 XLS-602: 1.26. Frequency Response (at 1 watt) 20 Hz to 20 kHz: ±0.75 dB. Phase Response (degrees at 1 watt) at 10 Hz: ?10. at 20 kHz: +19. Signal-to-Noise Ratio (20 Hz to 20 kHz) A-weighted, below rated power: > 100 dB. No weighting, below rated power: > 95 dB. Total Harmonic Distortion (THD) at full bandwidth power, from 20 Hz to 1 kHz: < 0.5%. Intermodulation Distortion (IMD) (60 Hz and 7 kHz at 4:1) from full rated output to ?40 dB: < 0.3%. Damping Factor (8 ohm) 10 Hz to 400 Hz: >200. Crosstalk (below rated power) at 1 kHz: ?82 dB. at 20 kHz: ?58 dB. Voltage Gain (at maximum output): 31 dB. Power Load Impedance: Safe with all types of loads. Rated for 2 to 8 ohms in Stereo, 8 ohms in Bridge-Mono. AC Line Voltages Available (±10%): 120VAC, 60 Hz and 230VAC, 50 Hz. Controls Level: Two front-panel, black rotary level controls, one for each channel. Power: Front-panel switch; on when in the UP position. Circuit Breaker: Provides overload protection. Indicators Clip: Two front-panel red LEDs, one for each channel, illuminate when the channel?s output signal is being overdriven. Power: Green front-panel LED indicates amplifier has been turned on and AC power is available. Fault: Yellow front-panel LED illuminates when amplifier is in protect mode. Also illuminates briefly during normal power-up when amplifier is first switched on. Input/Output Input Connectors: One per channel; back-panel three-pin female XLR input connectors. Input Impedance: (nominally balanced, nominally unbalanced): 20 k ohms, 10 k ohms. Output Connectors: Two 4-pole Speakon® connectors (one per channel) and two pairs of 5-way binding posts; accepts banana plugs, spade lugs or bare wire. (European models do not accept banana plugs.) DC Output Offset (shorted input): ±10 millivolts. Output Signal: Stereo, unbalanced, two-channel. Protection XLS Series amplifiers provide extensive protection, including output current limiting, DC protection, circuit breaker, and special thermal protection for the unit?s transformers. Construction Ventilation: Flow-through ventilation from front to back. Cooling: Internal heat sinks with forced-air cooling for rapid, uniform heat dissipation. Air Volume Requirements (per minute per unit): 80.15 ft³ (2.27 m³). Dimensions: EIA Standard 19-inch (48.3-cm) rack mount width (EIA RS-310-, 3.5-inch (8.9-cm) height and 14-inch (35.6-cm) depth behind the mounting surface.

---------------- On 5/10/2005 4:07:47 PM shooter67 wrote: a high powered amp? I understand why they would sound better at high voulmes but at low to medium volumes it would make since that they would sound the same wether you were pushing 100 ar 200 watts. ---------------- most high power amps can handle the impedance dip in the lower register than many low powered amps the RF-7's dip down to 2.8 ohms in the bass region..... receivers and low powered amps that cannot handle that impedance will sound noticibly infereior to an amp that is designed to handle very low impedance loads