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Gemini PA-7000 Professional Preamplifier

as of 9/5/2010 01:21 ICT details
Brand: Gemini

Buy New: Too low to display

Seller: Electronica Direct
Rating: 4.5 out of 5 stars

reviews

Autographed: No
Memorabilia: No
Batteries Included: Yes
Shipping Weight (lbs): 9
Dimensions (in): 0 x 0 x 0

MPN: PA-7000
Model: PA-7000
UPC: 368298567132
EAN: 0747705201621

Features:

	Solid-state stereo preamplifier
	Designed to fit into a single space of an audio rack mount
	Three-band equalizer for Bass/Mid/Treble
	Four inputs and a 1/4" microphone input with level control
	Ideal for amplifying up to 4 sources of audio to line-level

Editorial Reviews:

Product Description
This preamp can help you get your sound that little extra boost it needs before going into your rack! It also acts as a source switcher, letting you choose between a total of four inputs and three outputs. The primary outputs are also XLR line-level for direct connection to most power amps an/or professional signal processors. This is an ideal choice for DJ's, permanent PA installations, or home theater enthusiasts. Features: Pre Amplifier with 3 Band Equalizer Stereo Balance & Master Volume Control Mono Mode, Mute, Low Cut, & Loudness Features Aux, Tuner, CD, & Phono Modes Phono Ground Screw Tape Play & Record Outputs with Monitor Switch XLR Balanced Outputs 4 Inputs & 3 Outputs 1/4? Mic Input with Level Control Specifications: INPUTS SENSITIVITY/IMPEDANCE: Mic: 1mV / 3 Kohms Phon 3mV / 47 Kohms Tape,Tuner,CD, Aux: 150mV / 22 Kohms OUTPUT/IMPEDANCE Tape Rec: 150mV / 3 Kohms Pre Output: Max. 11V / 1 Kohms TOTAL HARMONIC DISTORTION: Mic: Less Than 0.02% Phon Less Than 0.04% Tape,Tuner,CD, Aux: Less Than 0.01% SIGNAL TO NOISE RATIO: Mic: More Than 70dB Phon More than 90dB Tape,Tuner,CD, Aux: More Than 100dB GENERAL: Frequency Response: 5Hz - 30 KHz +0, - 3dB Bass: +/-12dB at 100Hz Midrange: +/-9dB at 1KHz Treble: +/-12dB at 10KHz Loudness: +9/0/+9dB at 100/1K/10KHz Mute: -20dB Power: 120V or 230V, 50/60Hz Power Consump...

Customer Reviews:
5 out of 5 stars

Fantastc Value!!! August 13, 2010
Ryan
Let me start by saying that I prefer stereo channel sound(not the HT surround stuff - keep it simple).
My system comprises of NAD CDP, Parasound 1000 Power Amp, and Dynaudio Audience 52 all connected by QED wiring.
The Parasound amp has line level adjustment and I used that for quite sometime, but when I got my PS3 and Upgraded to an HDTV I suddenly had a lot more input sources, and so began my search for a relatively modest Pre-Amp.I scoured the internet but all I could find were Pre-amps costing $400+. I then came across the Gemini PA7000. I always asociated brands like Gemini, Pyle, M-audio and the like to mass produced crap from china.... Boy was I wrong on this one. Firstly the Price caught my attention 90 bucks only....u got to be kidding me.
I downloaded the manual and read all of the specs.... seemed to good on paper, but since I had not heard anything drastically bad about the Gemini I placed an Order (hoping if it were bad I would do a return).
On Arrival, first thing I noticed that 'Hey this thing may look slim, but it definitely has good weight'.... Translation -- Heavy=Good. This pre amp was a 'god sent' in terms of handling the inputs, plus it has 2 line level o/p. So naturally one goes to my amp and the other to a sub-woofer(future upgrade). The second thing I noticed was the Volume control was the notched resistor type. These type of controls are Really good not to mention expensive (usually found in high end equipment). So for the next 1 month began the break in process. Now after 1 month I can truly say that this is an absolute gem (hidden gem in the audio world).
I have friends who have spent $2k on just power cables, (imagine their reaction when they heard the $90 pre-amp.... This cannot thing cannot be costing $90 bucks).
The Imaging is great with Diana Krall's Voice absolutely centered. Soundstage is good not the most expansive (remember mine is a modest system in total). The controls are absolutely great on this preamp. The Bass, treble and Mids are all center notched. But I usually never bother changing these from their default centered setting to keep the music uncolored. Recently while still fine tuning my setup I hit the loudness button(I usually keep away from these kind of DSP settings). But the loudness setting on the Gemini was like lifting a Heavy curtain from the music. My Dynaudios are rated to go down to 52hz, but the Loudness button definitely bought out note notes in the mid 30hz range and the Treble was crisp(little more emphasis),but mids were turned down. So naturally I turned down the Treble and increased the mids ever so slightly to flatten out the response. I now have a grin whenever I am listening to my system. I am hearing more detail on the 2Khz + range not to mention my speakers are now digging deeper into the lower octaves.
For movies this pre-amp works equally well. I just got hold of the Terminator 2 Blu-ray. WAS BLOWN AWAY!!!
Ditto with the LOTR trilogy.
Hey, If you are still reading u know by now that this amp is a keeper, do urself a favor try out this pre-amp... dont like it-->return it, IMHO its the Best $89 I have spent on audio....CHEERS!!!

PS: If you turn the Vol know beyond the 2o'clock position there is a slight hum.... I tested this by keeping the CDP on mute.... Else for normal playback/movies I never have to go beyond the 11o'clock position, so this is a non-issue for me.

3 out of 5 stars

Good for its intended purpose August 11, 2010
Brian F
Unit arrived with a missing/broken ground lift switch, DOA tape monitor loop, and AUX input highly subject to RFI interference. I could clearly hear a strong local AM radio station even with the volume at minimum. Unit may have been damaged in shipment as packaging is minimal/inadequate. I had to return it.

That said, enough was working to get a good idea of the preamp's capability. Overall signal to noise ratio is not good. There is significant power supply hum and high frequency hiss about 60db down. Both increase with higher volumes. Tone seems a little thin and lacking warmth, but that is a subjective evaluation. A working ground lift switch probably would have reduced the 60 cycle hum and RF interference but not improved the background hiss or tone. That is why the unit has a resistive ground -- it needs it. I would not recommend this preamp for any relatively good home audio system. Background noise should be completely inaudible even at high volume levels. I did not open the case but I suspect it relies on 1970s integrated circuit technology that is not up to modern standards.

However, for its intended purpose as a PA preamp, it represents a very good value at its price point. It has a wide range of inputs and excellent tone controls. Loudness and Mute switches are a very big plus. In combination with an inexpensive PA amplifier, PA speakers, a mike, CD-Player, etc., you could have a useful system for around $500. No mixer effects but perfect for school parties, church events, family reunions ...

Just remember what this unit is designed for. Don't expect too much of it. And inspect carefully on arrival.

5 out of 5 stars

Gemini PA-7000 June 23, 2010
Kourosh R. Samadi (CA, US)
I hooked a Dj Amplifire n Tube Amplifre n a Cyrus connected with B&W Speakers n 250rms Subwoofer(my sound card is Muto 2408MKIII)
Only $80 something OMG I don't know what to say........... Amazing Preamplifre
5 ****!

5 out of 5 stars

Actually a very decent little unit May 24, 2010
D. Wilson (NJ USA)
I was cost constrained completing a good old fashioned stereo system using a good new Crown CE 2000 (400 watts x 2), Aphex 204 and JBL JRX125 Dual 15 3 way monitors. I tried the OTHER cheap pre amp and it was, so very cheap it sounded like a pyle of pyramids (hint) fell on it. The beastly CE2000 sounded mousy which defys its specs. I sent that preamp back and tried the Gemini. It sounded so good I kept it as my front end for years and only replaced it when I got my hands on a DENON preamp. There was not as much difference adding the DENON as I would have thought. The Gemini is really a sound little unit, good SNR, Bass Mid and Treble at (100, 1000 and 10000hz ) loudness and a nice big volume knob.

The only constraint I felt was the few inputs, 4. If that is enough for you then this unit is a good solid stereo preamp and bargain for sure.

5 out of 5 stars

Wow! February 28, 2010
Ronald W. Hill (Atl,GA.)

I have 'introduced' the Gemini PA-7000 Professional Preamplifier ,to my system.Epicure 20 speakers,Denon DP-790 turntable.I have yet to hook up my MXR fifteen Band EQ.The Gemini PA-7000 Professional Preamplifier performs with such clarity on it's own.Belkin PF30(power filter)quiets everything,including Sony STR-DN 1000 AV receiver.I purchased it primarily to output my phono through the Sony.

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