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Emotiva Reference Theater Series IPS-1 Amplifier Review

by Gene DellaSala last modified July 25, 2009
IPS-1 Front View

IPS-1 Front View

Summary

  • Product Name: Reference Theater Series IPS-1
  • Manufacturer: Emotiva
  • Performance Rating: StarStarStarStarhalf-star
  • Value Rating: StarStarStarStarStar
  • Review Date: May 02, 2007 11:07
  • MSRP: $ 1199
Specifications

150 Watts x 7 into 8 Ohms

200 Watts x 7 into 4 Ohms

Completely stable into 2 ohm loads

Each channel features independent 250VA, low noise toroid power transformers w/ high speed rectifiers and low ESR 105°C filter capacitors

High efficiency Class H power amplifier design, minimizes power losses and allows cool and efficient operation

Complementary, discrete power amplifier design incorporating high current, high speed, Toshiba power devices

RCA inputs

Silent turn on/off - No audible transients

THD less than .015%, 20Hz-20kHz with 80kHz measurement bandwidth

DC offset, less than 1mv, servo controlled.

Crosstalk between ANY two channels – greater than 120dB

All aluminum capacitors are premium quality, low ESR, 105°C rated for high reliability and performance

Doubled sided, plate through, glass epoxy, FR4 PCB’s used throughout with 2 ounce poured copper on all power sections and ground planes

Individual channel status indicators for standby, operate, and fault behind tinted acrylic panel

Fully protected from all fault conditions

Soft start circuitry

Signal sensing auto turn-on or remote 12 VDC trigger.

Soft touch power switch

3RU chassis w/ solid milled aluminum faceplate

IEC power inlet, 120/230 VAC user configurable

Dimensions: (HxWxD) 6” x 17.00 ” x 16 7/16"

Weight - 81 lbs.


Pros

  • Excellent Performance & Fidelity
  • Very efficient
  • Attractive styling

Cons

  • None at this price

Introduction

From its excellent sonic characteristics, to its no-nonsense build quality, fit and finish, Emotiva has once again demonstrated via the IPS-1 that you don’t have to break the bank to get quality electronics that rival many of the more well known brands at a fraction of the cost. Your ears and your wallet with certainly thank you.

 

 

Recent Forum Posts:

Post Reply
gene posts on May 03, 2007 11:15
Great review Gene. I would have thought that the noise floor would have been higher with the lack of the isolated card design of the MPS 1.

I know you are not easily impressed, so your preference of this model over the MPS1 says something.

Nice job


The IPS-1 still has independent mono block amps just like the MPS-1 but you can't slide the modules in and out. The MPS-1 would have identical SNR if you pull the limiter circuit off which is easy to do. Emotiva will instruct customers on request if you wish to do so.

I mostly prefer the IPS-1 b/c its more manageable and easier to setup.
westcott posts on May 03, 2007 10:01
Great review Gene. I would have thought that the noise floor would have been higher with the lack of the isolated card design of the MPS 1.

I know you are not easily impressed, so your preference of this model over the MPS1 says something.

Nice job!
Gov posts on May 02, 2007 20:12
Great review!!! I wish the LPA-1 review Audioholics did was as in depth as this one. I would love to see how the LPA-1 stacks up against this amp.
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