Showing posts with label amp. Show all posts
Showing posts with label amp. Show all posts

Saturday, October 20, 2012

Sherwood RX-4105 2-Channel 100-Watt Stereo Receiver Review

Sherwood RX-4105 2-Channel 100-Watt Stereo Receiver
Average Reviews:

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This Sherwood (noted brand years ago, now mysterious) might be a decent bargain for twice the money. It's stripped down by present standards -- two channels only, no phonograph input. It's dead quiet and extremely clean sounding. I can't hear any emphases or dead spots in the frequencies. The tuner is exceptionally good; I am surprised at the success I'm having with it in a poor reception area, with only the antennas that are supplied. Appearance and quality are fine: nice black steel case, solid buttons, one big old volume knob. It was all I needed, so I'm very pleased. Going to get another for a computer amp.

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Sherwood's incredibly affordable RX-4105 offers integrated preamplification and amplification, inputs for numerous audio source components, and advanced radio tuning and station access. The receiver delivers 100 watts RMS per channel x 2 for strong, clear sound across the audible spectrum--even at low listening levels. The company has lowered the amplifier's distortion relative to the previous model (the RX-4105), to less than 0.08 percent, while also giving the receiver a new layout borrowed from its higher-end components.The RX-4105 uses totally discrete amplifiers for all channels (TDAS) to maintain its high power and low distortion. Use the receiver's A and B clip-type speaker outputs to power 2 different rooms, or to biwire a pair of speakers for more efficient amplification (with A outputs driving the woofers, for instance, and the B outputs driving the tweeters--make sure your speakers are compatible if this is a key feature for you).The receiver also offers a handy 25-key remote control and switching for 2 pair of loudspeakers. Audio inputs switch between and amplify up to 4 additional components, including 2 requiring both inputs and outputs (such as a cassette deck and a VCR). The built-in AM/FM tuner features 30 station presets and auto station setup.Other features include bass and treble tone controls, a dimmable fluorescent display, and a .25-inch headphone jack for private listening.What's in the Box Sherwood RX-4105 receiver, remote control, AC power supply cord, FM indoor antenna, AM loop antenna set, and owner's manual.

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Thursday, October 11, 2012

Onkyo TX-8222 50 Watt Stereo Receiver Review

Onkyo TX-8222 50 Watt Stereo Receiver
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I had a 30-year-old, top-of-line Marantz that gave up the ghost altogether after the internal lights started fading. Much as I liked it, the cost of repair was considerably higher than this Onkyo (the internet lists plenty of repair places to send units like the Marantz to), and I no longer use my stereo nearly as much as I used to (I wonder how often the surround-sound, 5-speaker audiophiles actually remain seated in their sonic cocoons).
Anyone with experience with audio knows that manufacturer wattage claims are variable, often essentially meaningless, even when listed as RMS, and that 50 watts is more than adequate for all but the most low-efficiency speakers (Acoustic Research, Bose). So I decided to forego the extra pound and a half and save a few bucks, because the features are practically identical with the 100 watt Onkyo. The latter has a few additional frills (brightness dimmer, effects bypass, FM character naming) along with provisions on back for a studio geek to plug in 3 addition pieces of equipment.
Both Onkyos have a convenient volume knob, but I miss the other knobs and the gyroscope tuning, which was more accurate than digital tuning. Also, the Marantz had a third, mid-range tone control (useful for bringing out vocals), both a loudness and a volume control, and numerous filters that were useful for "smoothing-out" the sound of some old LP records. The handiest feature of the Marantz was two additional phone plug inputs on the front of the machine, intended for plugging in tape recorders for dubbing or musical instruments for recording and monitoring. Most of us don't place units such as this in cabinets where it's convenient or even practical to plug and unplug other equipment to the rear of the machine on a continual basis. And as is the case with most Japanese manufacturers, including Sony, the machine is not actually assembled in Japan (try Malaysia).
The biggest annoyance of both this receiver and the more powerful one is an ill-conceived switch that doubles as both an input and a tape monitor switch. You must avoid even touching the switch (more difficult than it sounds) or you'll activate the monitor function and mute all devices connected to the receiver. (I even placed temporary masking tape over the switch to "quarantine" it from my fingers.) Nevertheless, the 8222 is a fine performer and a top brand (I don't recall ever seeing Onkyo producing cheap, low-end product and catering to the masses, as is frequently the case with Sony and Panasonic). But I'm hanging on to the Marantz in case I decide to get cash-careless and go all-out retro.

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Onkyo 50 Watt Stereo Receiver TX8222

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Sunday, August 19, 2012

Onkyo TX-8255 Stereo Receiver Review

Onkyo TX-8255 Stereo Receiver
Average Reviews:

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I've wondered at times about some of the glowing reviews I've read online over the years for various products: Are these real folks or PR plants from manufacturers? (Hey, it happens all the time in the hotel biz.)
So... if you share my suspicions, no, despite what follows, I don't work for Onkyo in any way shape or form--but I have been involved with audio in various capacities for many years. And... the last time I got this excited about a piece of electronics Ronald Reagan was president...
In short, if you're considering replacing an older receiver (or any receiver you're not currently totally in love with) and you aren't looking for surround sound or lots of bells and whistles, this is your amp. It has a rich, lush (very tube like) sound, and it doesn't sweat driving 4 ohm speakers very loudly (trust me, I know.)
But let's stay respectful: If you're looking to fart out bass at 130db, please don't waste your time with this receiver. Consider 10 o'clock the maximum volume setting for most digital sources. There are cheaper models on the market you can abuse. Please do.
Power. Clarity. Smoothness and functionality. Especially for well under $200 I doubt this receiver will ever meet its match.
post script: Since I wrote this review some time ago, I've noted a few criticisms regarding the sound of this receiver. Ok, here's the deal: It ain't a Krell or a Mark Levinson, but for a fraction of the cost you're getting, to me, the best sound available for a few hundred bucks--and quite often for multiples of that figure. Add in a cheap but fair sounding EQ and you suddenly have yourself fidelity that can very much approach audiophile standards. Under $1000 per unit, the number one problem I've found in so-called "mid-fi" gear is trouble in the 1K range. So if you can cheaply attenuate that, again, you've got yourself some very respectable sound at a bargain. But "off the rack," I've never found anything that approaches the sound of this unit at anywhere near the price. It was especially rewarding to read from so many folks (older ones in particular) how they and others were able rediscover the simple pleasure of listening to music again thanks to this cheap Onkyo receiver--and isn't that what good audio is all about?

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If you want your receiver to focus purely on two-channel audio, the TX-8255 could be just the answer. It`s perfect for your living room, or anywhere else you like to sit back and soak up your music.The TX-8255`s rock-solid construction incorporates a heavy-duty extruded aluminum heat sink to ensure cooler operation.The whole unit is housed in a rigid, reinforced chassis-finished off with a hairline-brushed aluminum front panel-to help eliminate vibrations. Add compatibility with RI dock for the iPod(R), and you have a superb stereo solution that brings out the power and dynamism of your audio sources.

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Sunday, November 20, 2011

Pyle Home PT720A 1000-Watt AM/FM/Tuner Hybrid Amplifier with 70-Volt Output, Built-In Auto Mute Function And Music On Hold Output Review

Pyle Home PT720A 1000-Watt AM/FM/Tuner Hybrid Amplifier with 70-Volt Output, Built-In Auto Mute Function And Music On Hold Output
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If you check your records, you will see it has been returned. The fan goes all the time and is very noisy and disturbing. Secondly, it stops intermittenly and so does the music. Totally unacceptable.

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Get professional-quality sound and tons of features with this 1000-watt amplifier! The PT720A is well suited for large rooms, including stadiums, auditoriums, and for events when your sound needs to make an impact. It's got plenty of inputs, including two ¼" mic inputs and a 3.55m jack for your iPod or MP3 player on the front, . It pushes audio over standard speaker jacks at 4, 8, and 16 ohms - or connect to your 70 V PA system. And this amp doesn't just sound great - thanks to the digital fluorescent output display meter and blue LED lighting, it looks great too. Includes a wireless remote control. Runs on 110 or 220 V.

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Wednesday, June 29, 2011

TEAC AG-790A Stereo Receiver Review

TEAC AG-790A Stereo Receiver
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I had a 7.1 channel Home Theater Receiver (HTR), but I got rid of it in favor of this stereo receiver. For me, the HTR was excessively complicated with too many menus to work through just to play music from my collection of LP's, cassette's, or CD's. The Teac AG-790A is simple to use for playing music. This receiver can control four speakers. The description of this product does not mention that if you want to control two sets of speakers (4 in total), they should be identical. There is no way to adjust for differences between two sets of speakers with different sound qualities or power ratings. TEAC's manual makes the same recommendation for identical speakers if you are going to use four speakers. The controls are very easy to use, although as one reviewer mentioned, I too would have preferred more dials instead of buttons. I know, "old school". Still, the buttons are very easy to use. I have a phonograph, cassette recorder/player, and CD recorder/player all attached to this receiver with a couple of Bose speakers. The radio tuner is great too. The sound of music this receiver produces is fabulous. However, for those times when I want to emphasize the bass sounds, I might add a powered sub-woofer as my "second set of speakers". There are bass and treble controls on this receiver, which work great. I am really talking about the sound quality of my speakers and not the receiver. I am talking about really pumping up the bass beyond what my speakers can provide. A sub-woofer with its own internal power system connected as the second set of speakers will allow me to adjust for the differences between the different speakers independent of this receiver. With the bass, treble adjustments available on this receiver, there really is no need for a powered sub-woofer, unless you are a bass freak as I am sometimes. That is just a personal choice. This receiver provides a lot of adjustment with its bass, treble and loudness controls. The bottom line is I highly recommend this receiver for music lovers.

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Teac AG-790A A/V Receiver AG-790A Home Theater Receivers

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