Hi-Fi Systems Reviews

Inside Out: QSC PLX-2402

What weighs 21-lbs, takes up two rack spaces, and outputs 2,400 watts? If you said the dope I’ve been smoking, you’re off the mark. It is the QSC PLX-2402. The 2402 combines a high-efficiency class H amplifier with a QSC’s “PowerLight” switching power supply. Earlier attempts at power amplifiers with a switching power supply were greeted with a less than an enthusiastic response, as the power supply typically sampled at little more than twice the audible range, or at about 40-44kHz.. This leads (usually) to a kind of muddy bass and harsh highs. The PowerLight circuit samples at 230kHz providing much better bass response, and a noted smoothing of the highs. read more…

Totem MITE Speakers

Totem MITE Speakers

Specifications:

50 Hz – 20 kHz ± 3dB with correct positioning
Impedance: 8 ohms
Sensitivity: 87 dB/W/m. Maximum sound pressure 102 dB before dynamic compression
Minimum Power: 20 W Maximum Power: 80 W Crossover: 3.2 kHz electrical and mechanical Woofer: 5 1/2” granulated Tweeter: 1” soft dome Rear ported
Dimensions: 11 x 6 x 8.5” approx. side 270 x 152 x 227 mm
Volume: 5.6 litres (internal)
Weight: 4 kg (approx. 9 lbs)

read more…

The DTS Pro Series Surround Encoder. A Must-Have Solution.

Hallelujah! For us Mac guys that do authoring, Apple’s latest DVD-Studio Pro 3 finally gives us the one feature so sorely lacking compared to higher-end systems–DTS file support. And while that may be well and good, the next biggest problem for the vast majority of DVDSP authors is: “Now that I can actually import them, how do I encode DTS files?” Until now, unless you had a DTS hardware encoder, you were mostly out of luck. read more…

Marantz CD5000 Player

Marantz CD5000 Player

The Marantz CD5000 is an inexpensive player commonly available throughout the world made by one of the budget leaders in digital. Is it as good as some of the The owner of this player commonly records to mini disc via the optical digital output for his listening pleasure while on the go. (He also uses his Sony MD to record live sound bites and audio tracks him and his band-mates play while practising). So– good looks, pretty good convenience and facilities but a little cheap feeling (although no more than most other machines in its price range). It also includes a headphone jack on the front panel. I did no listening via headphones, not any digital recording as I do not have the facilities to do such. read more…

Inside Out: Sansui TU-7900 Tuner

Inside Out: Sansui TU-7900 Tuner

A basic, well built tuner in with that gorgeous Sansui finish. Not exactly a herald of the BPC craze to follow during the 1980’s, the TU-7900 is simply elegant. A white background with tasteful black lettering illuminated by a soft sea-foam green glow. The gloss black finish of the front panel is accented on either side by a banding of chrome. The off-white lettering and silver knobs provide a nice aesthetic contrast, and the green colored lettering of the model number is also
a nice surprise. read more…

GR-Research AV-1

GR-Research AV-1

DIY stereo has come a long way from the Heath Kit soldering projects that one’s slightly off center neighbor used to build in his basement during the long winters. Nowadays, some of the best audio performance at bargain basement prices comes from various DIY companies that have bloomed with the Internet age. Speaker specific companies are no exception to this the age of commerce. Arguably, the best of this breed is GR-Research, out of Texas. Co-founder and it’s driving force Danny Richie, has developed a line of speakers that now satisfies virtually any design style. Over the years, his speakers have won accolades for pushing past the basics, and truly offering his customers audiophile quality at a price that would make Ebenezer Scrooge proud.

GR-Research AV-1 Specifications

  • 2-way bass reflex design
  • Series crossover network
  • 1 inch GR-T2 soft dome tweeter
  • M-130 5.25 inch composite paper woofer with phase plug type dust cap, polymer chassis, and vented Kapton voice coil
  • Frequency response is as good as +/-1.5dB
  • -3dB is 55hz
  • Sensitivity is 86 dB (1watt/1m)
  • Recommended amplification is 8-100 watts RMS
  • Impedance 8 ohms nominal 6.8 ohms minimal
  • Dimensions: 12″ h x 8″ w x 11.625″ d.

Priced from $259 fully DIY, to $750 assembled with all upgrades read more…

HSU STF-2 Subwoofer

HSU STF-2 Subwoofer

Technical Specifications:

Woofer size: 10 inches
Bass extension +/- 2 dB: 25 Hz
Crossover: Continuously variable 30-90 Hz, defeatable, 24 dB/Oct
Phase switch: 0/180°
Finish: matte black
Dimensions: 19”(h)/14”(w)/18”(d)
Ship-weight: 44 lbs
120/240 V Capable: Switchable at the factory with internal jumper
Amplifier Power: 200 Watts
Warranty: 7 years on the woofer, 2 years on the electronics, parts and labor included
Factory direct pricing to the public: $399 read more…

Nakamichi Stasis SR-4A Receiver.

Nakamichi Stasis SR-4A Receiver.

Made from 1987-1989, regulated power supply, extensive video switching.
60 wpc/cont,
retail $1,000.
Features Nak’s ‘Inherently Stable / Uniform
Impedance Amplifier’..
Remote capable, not included.
Pre out / Main in jacks for easy system expansion (use as a pre/tuna). read more…

Review of: Energy Connoisseur C-9

Review of: Energy Connoisseur C-9

Freq Resp: 31-23kHz, +/-3dB; -10dB @ 26Hz
Power handling: 250 watts per channel
Efficiency: 91dB @ 1watt/1mtr

Woofers: 2 x 6.5” Homopolymer w/rubber butyl surround

Mid/Woofer: 1 x 6.5” Homopolymer w/ rubber butyl surround
Tweeter: 1 x 1” chambered aluminum dome

Binding post: 1 set of 5-way
Dimensions: 45” x
7.75” x 18” (HxWxD)
Weight: 62lbs each
Retail: $1300.00/pr read more…

Paradigm Titan Vs The Baby Advent II

Paradigm Titan Vs The Baby Advent II

Speakers:  Paradigm Titan: • 6.5” woofer • ¾” Dome tweeter • Ported bass reflex design

Advent Baby II • 6.5” Acoustic suspension driver • 2” Ferro fluid dome tweeter

A rundown of the test system:
For this review I enlisted my newly acquired amplifier, the Layout of listening test:
Left Speaker Right Speaker CDP Amplifier Listening Spot 11ft 2ft 2ft
Music Choice:
Track1: Eric Clapton Unplugged – Old Love
Track2: USACi test disc: Sweet Georgia brown
Track3: USACi test disc: Fever
Track4: Keb Mo’: Soon as I get paid
Track5: Lenny Kravitz: Thinking of you

scheme

read more…

My Old Friend: The Audiolab 8000A (first series) Integrated Amplifier

My Old Friend: The Audiolab 8000A (first series) Integrated Amplifier

The Audiolab 8000A integrated amplifier is an old friend. I have listened to this amplifier for the better part of fifteen years. To me, it feels like coming home.

It is a full functioning, integrated amplifier (including a MC and MM phono stage). Well-built chassis-terrible sheet metal. The front panel is well built and simplicity itself. All controls are well laid out, have a reasonable feel to them and are easy to discern. Finished in a dark grey, it is handsome in the utilitarian sense of the word. No, Tag McLaren made the electronics high style, but the basic Audiolab is not ugly. Typically British with cheesy, sheet metal. Knock on the top or sides and it rattles like a 30-year-old Datsun 510 (I owned one of these great cars too. I got rid of it because, at that time, I was a young idiot—I simply didn’t appreciate what I had). No engineering degree or the ability to contort one’s body is required to operate it. read more…

Infinity Kappa 200 Loudspeakers

Infinity Kappa 200 Loudspeakers

2 way Bookshelf Loudspeaker

1-6.5 inch CMMD Driver

1- 1inch CMMD Tweeter

Rear Ported

Gold Plated Posts, Bi-wiring Necessary

50-27Khz Frequency Response

14-5/8″ high by 8-7/8″ wide by 14-1/2″ deep read more…

Electra Print 300DRD

Electra Print 300DRD

In 1906, American physicist Lee DeForest invents the audio tube, which is a three-electrode version of John A. Fleming’s electronic valve. The audio tube was often referred to as the DeForest valve, but today is known to audio enthusiasts as the triode. The patent for the audion tube was sold to AT&T, and in 1907 DeForest founded the DeForest Radio Telephone Company. In the years that followed, Lee DeForest broadcast radio events from exotic venues such as the Eiffel tower, and the New York Metropolitan Opera House. By the 1920’s audio tubes had made the transmitting of radio signals and home radio receivers a common item in the American household. read more…

Adcom 535 Power Amplifier

60 watts per channel, 20Hz – 20kHz into an 8 ohm load with both channels driven with less than 0.09% Total Harmonic Distribution

The ability to drive low impedance loads

Instantaneous Distortion Alert which indicates when distortion products are above the 1% level

Outputs for 2 sets of speakers (A & B Channel)

Two additional pass-thru AC outlets for additional rack components supporting 100 watts maximum read more…

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