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  1. are these two class a/b or class d amplifiers

    Home Theater Receivers | Processors | Amps
    is the marantz 7011 a class a/b amp or claas d amp and the denon 4400 a class a/b amp or d amp thanks
  2. Voltage/Amp Requirements for Audio Amplifiers

    Home Theater Receivers | Processors | Amps
    I'm the type of guy that tinkers and one of things I've done is purchased a Fluke 289 Industrial Logging capable multimeter with an i400AC clamp accessory. For those who know me and know that I've done pretty radical work on my power feeders to my AV equipment know that it may of been a bit...
  3. Stereo Amplifiers with Unity Gain

    Any Stereo Amplifiers with Unity Gain/AV Pass Through/Home Theatre Direct Input to suggest? Thanks
  4. Surge Protectors that DO NOT limit curent to amplifiers

    Remotes | Cables | Accessories | Tweaks
    Can someone post the best choices for surge protectors that DO NOT limit current to amplifiers (receivers). And better yet, can someone post the commonly available surge protectors/filters that work the WORST in Home Theater systems. This I believe would be very helpfuly to many readers of...
  5. Do Amplifiers "color" sound?

    Home Theater Receivers | Processors | Amps
    I'm sure this is a question that a lot of us have asked... I believe that this was touched on in the top 10 myths link that was posted years ago. Anyhow... this is an interesting read... the short end: in double-blind testing of several hundred people, the ability to hear a difference between...
  6. High-end audio amplifiers, born in the U.S.A.

    Home Theater, Audio and Video News
    Source: CNET
  7. Emotiva's nonannouncement of the UPA-500 and XPA-7 amplifiers

    Home Theater Receivers | Processors | Amps
    UPA-500 has a placeholder on their site and is discussed in their forum, apparently its also mentioned in their podcast on April 27th but trying to listen just made my firefox crash so..... :blink: Heres the place-holder for the UPA-500...
  8. MC2 amplifiers

    Subwoofer Amps | High Pass Filters
    Hello, Are the Mc2 amplifiers well regarded in the US? I currently own a T1500 which I will be driving a DIY subwoofer with once I get it built. Just wanted to know if anyone here had any opinion about them. (Sorry can´t post link because to little posts)
  9. Sherbourne Amplifiers

    Home Theater System Recommendations
    Any thoughts on Sherbourne amplifiers? Thinking of adding a two channel power amp to my set up to drive my inneficient fronts, while running the rears and center thru the AVR, which will serve as a pre amp for the power amp. Can get a good deal on the Sherbourne, just not sure how good they are...
  10. How many amplifiers do I need??

    Home Theater Receivers | Processors | Amps
    Hey All, Building a 9.2 theater system. I have (7) Definitive Technology RLS II in walls that i was using for my mains, center, surround side and surround back. I have (2) Definitive Technology RLS III in walls using for my front highs. For processing, I was going to use my Onkyo tx-nr5007 9.2...
  11. FS: QSC PL9.0PFC amplifiers / Clair Bros CBA9000's

    Classifieds - Audio Equipment
    SOLD!!!!!! QSC PL9.0PFC amplifiers / Clair Bros CBA9000's SOLD!!!!!!! :sn: I have a pair of QSC PowerLight 9.0PFC, 9000 watt amplifiers for sale. They are branded as Clair Bros CBA9000's. They are 230v ac models. I'm asking for $1300 each plus shipping. They do have some rack rash but...
  12. Hum problem with subwoofer amplifiers

    Subwoofer Amps | High Pass Filters
    Maybe some help? I have two proamps, with three sub connections from my preamp going to two samson s-converts, then to the two respective proamps (one bridged). I have 60hz hum from both ch of one proamp, but not the other, bridged proamp. I do not have any cable tv connected, only an antenna...
  13. Headphone amplifiers

    Headphones | Head Gear
    I just had to invest in apair of headphones { night time entertainment vrs wife's early bed time }. I bought a pair of sennheiser hd 650's. woundering if i could get some advice on headphone amps.? I am at a crossroad between solid state or tube ? any pairing sugestions? up gradeing the cable...
  14. FS: Electrovoice and Crown Amplifiers NEW

    Classifieds - Audio Equipment
    Brand New in box A stock never opened. I have a few other items I will be getting rid of as well. Asking $790 shipped for the EV Q1212- 3600watts and built like a tank! Asking $750 shipped from on the Crown CDI4000- 4000watts and built in DSP. Asking $500 shipped from for the Crown CDI1000-...
  15. Class D Audio amplifiers

    Home Theater Receivers | Processors | Amps
    I was wondering if anyone here has considered building an amplifier from Class D Audio. http://classdaudio.com/index.php/ I'm considering a kit for a 500W X 2 into 4 Ohm solution. I'd get one that allows soldering in the inputs, power and speaker terminals, as well as the larger heat sink. I...
  16. FS: 2 QSC RMX 1450 amplifiers for sale

    Classifieds - Audio Equipment
    SOLD SOLD SOLD - 2 QSC RMX 1450 amplifiers for sale I have been using each of these amps for each of the subwoofers that are shown in my avatar to the left which have been sold. I'm upgrading to a much larger amplifier and building a more powerful subwoofer, so these two amps need a good home...
  17. NO LONGER AVAILABLE: Crown CE4000 power amplifiers (2)

    Classifieds - Audio Equipment
    NO LONGER FOR SALE! Thanks for looking, Josh Ricci
  18. Deciding between two Int. amplifiers, and worried about overkill.

    Two Channel Audio
    Hi, I will soon be purchasing an integrated amplifier for my two channel system setup and I am torn between two amplifiers. If any audiophile members out there would like to chime in, I would appreciate any advice. The system looks like this at the moment. A Pro-Ject Debut III turntable...
  19. Amplifiers Tested

    Subwoofer Amps | High Pass Filters
    I am hoping someone here can help me. I have heard and read that somewhere there have been home amplifiers tested and databased. does anyone know what I'm talking about and more specifically where to find it?
  20. "Sub" amplifiers for full range use

    Home Theater Receivers | Processors | Amps
    Has anyone tried using amps that are traditionally considered "subwoofer amps" for full range (LCR and/or surrounds)? There seems to be a lot of bang-for-the-buck in amps like the Behringer EP1500/2500's. I could envision 2 of 'em running LCR and sub, but don't know how they'd do. The...