8 ohms

An Amplifier for all Mankind: Class D Audio SDS-440C Amplifier Review

An Amplifier for all Mankind: Class D Audio SDS-440C Amplifier Review

Specifications:

  • Two Channel Amplifier with adjustable gain
  • 220W RMS Per Channel into 8 ohms
  • 440W RMS Per Channel into 4 ohms
  • Size: 12″ X 12″ X 3.5″
  • Shipping Weight: 20 Pounds
  • MSRP: $665.00

read more…

Alegria Audio Rosa speakers

Alegria Audio Rosa speakers

Frequency response (+/- 3db 50Hz to 20kHz)
8 ohm nominal impedance
4th order (cascaded 2nd order) crossover at 5kHz
Quality crossover parts including air core inductors and film and foil polypropylene capacitors
Oxygen free stranded copper internal wiring
All soldered connections
External dimensions: Upright – 17″H x 9″W x 12″D; Horizontal – 9″H x 17″W x 12″D 100 watt peak power handling 88 db/1w sensitivity
Magnetically shielded for use near televisions or monitors
Grade A real wood veneer inside and out to prevent warping.
Driver 4.5″ Diameter Treated paper cone Rubber surround Copper phase plug Cast frame
Patent pending XBL^2 motor design
Long throw voice coil
Tweeter 20mm diameter
Soft Dome
Nylon resin frame with vibration suppression
Low diffraction face plate
Ultra high frequency response
Pricing: $279 each or $549 per pair

Which piece of equipment in the audio chain has the most difficult task? Is it the CD player? Imagine the complexity of reading all the bits off a disc and keeping them in proper order. What about the turntable? Who must battle
the enemies of vibration, friction, and inertia? Let us not forget about the speaker wire and interconnects. The cables get the thankless job of transferring the amplifier’s final output. Quite often they have to cover long distances, while having a minimal part of the audio budget spent on them. My vote goes to the loudspeaker. This component gets the daunting task of reproducing the complex nature of an orchestra, and yet it still must be capable of rendering the subtle nuances of the human voice. 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…

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…

WordPress.org

Copyright © 2000-2018 HighFidelityReview – Hi-Fi systems, DVD-Audio and SACD reviews - HQ Hi-Fi Review Theme by ThemeShift.com