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|  | |  | | | Gemini PA7000 Professional Line Preamp and Input Switcher | | | | | | | |
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4142638 | | Availability:
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| | Features | 3-band equalizer Stereo balance and master volume controls Mono mode, mute, low cut, and loudness function Aux, tuner, CD, and phono modesTape play and record outputs have monitor switche 4 inputs and 3 outputs with balanced XLR 1/4" mic input with level control
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| | 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... | |
| | Product Details | | Product Length: | 19.0 inches | | Product Width: | 9.75 inches | | Product Height: | 1.75 inches | | Product Weight: | 6.28 pounds | | Package Length: | 20.75 inches | | Package Width: | 12.25 inches | | Package Height: | 4.0 inches | | Package Weight: | 6.6 pounds | | Average Customer Rating: |  based on 33 reviews |
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| | Customer Reviews | Average Customer Review: ( 33 customer reviews )
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Most Helpful Customer Reviews
22 of 22 found the following review helpful:
 Excellent Performance for the Price Jan 09, 2008
By Ludo
"Audio Nut"
I purchased the PA-7000 preamp to expand the number of inputs and outputs on my component HiFi system. I am using the tuner input with a Denon TU1500RD Tuner, the phono input with a circa 1980 Denon Turntable, the tape input with a circa 1970 JVC Cassette Player/Recorder and the AUX input with a Direct-TV DVR. The PA-7000's unbalanced output (ordered balanced cables for future upgrade) drives a PreSonus Central Station Controller which then drives a Furman SP20AB Amp and a set of custom-upgraded, Infinity Speakers. I listened to the PA-7000 with Beyerdynamic DT770 headphones as well as speakers, at maximum volume, and the noise and hum levels are barely audible. The phono preamp sound quality is excellent and my wife could hardly believe it when I played some records, how clean and natural they sounded. The only minor audio performance flaw I noticed is some crosstalk between the adjacent inputs with the volume set to maximum. This is not a major issue for me, as only one of the input devices would typically be turned on at a time. The tone, balance, volume controls and other front panel buttons work as advertised and all the controls are smooth and crackle free. The chassis finish is nicely done but the mid-point detents on the control knobs do not line up with the markings on the chassis. I did not test the microphone input but overall, for the price, the performance of the PA-7000 exceeded my expectations.
18 of 19 found the following review helpful:
 gemini pa-7000:doen't let the "pa" put you off. excellent value Jan 26, 2006
By oldatlguy
this preamp uses standard rca inputs and 2 pairs of rca outputs.(also has a pair of xlr outputs which i did not try.)the headphone output is at least adequate,but this preamp really shines driving my "total airhead" solid state headphone amp and also my new hong-kong 6bq5 tube amp used as headphone amp off 8-ohm terminated speaker leads.the tone controlls cannot be bypassed, but i was surprised at how useful they were.my sony mdr-v600 -phones really can use the bass boost the gemini can provide.preamp has no detectible hum or rfi issues.outstanding value.
12 of 13 found the following review helpful:
Gemini pa-7000 the missing link in your setup? Jul 09, 2009
By Isaac Acuna
"The Thinkest"
I've been very happy with my setup so far:
Sansui g-7500, jvc ql-f4, bose 4.2 II bookshelf's, etc. etc. the point is, I wanted to get a bit more sound from my turn table so, the pa-7000 just happened to be the first item in the list that seemed to meet my minimum requirements.
I finally arrived and I put it into my system, not only am I able to route my cd changer, my tape deck, my digital media unit and my phono unit, but, I found the base/mid/treb controls unexpectedly very nice. I immediately began tuning to taste (Careful not to colour the music of course.)
I am more than pleased with this product. I received far more than I had expected and do believe if I would have made another purchase I would not be so pleased.
the sound quality is uneffected by the addition of the pa-7000, sans of course for the boost in volume and slightly more bass due to the equalizer. I would also point out not a single hiss, hum or whistle.
This unit was the missing link to completing my audio experience.
7 of 7 found the following review helpful:
Fantastc Value!!! Aug 13, 2010
By 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.
5 of 5 found the following review helpful:
 Good for its intended purpose Aug 11, 2010
By 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.
See all 33 customer reviews on Amazon.com
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