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Electro-Harmonix 12AY7 Tube Microphone Preamp  

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SKU 
#181127000000000
Top Rated
Overview
  • Equipped with a 12AY7 EH tube and a 12AU7 EH driver
  • Wide dynamic range, warm tone, and superb accuracy
  • 200V supply delivers 50dB of gain into high load, 40dB gain into 600 ohms
Description & Specs
  • MSRP:
    $267.12
  • Your Savings:
    - $65.82
  • Your Price:
    $20130

Order Now! Expected to ship 11-11-2014

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Electro-Harmonix

Warmth and accuracy for your condenser mics!

With the Electro-Harmonix 12AY7 Tube Microphone Preamp, Electro-Harmonix offers an affordable tube micrphone preamp that won't disappoint. Equipped with a 12AY7 EH tube and a 12AU7 EH driver, it gives microphones the widest dynamic range with the warmest possible tone and accuracy. The 12AY7 Mic Pre uses an actual 200V supply instead of the "faked out" 12 or 48 volts you'd get with common models and delivers 50dB of gain into a high impedance load or 40dB gain into 600 ohms.

The 12AY7 Mic Preamp's special FET current-balancing circuit allows the tubes to amplify the microphone signal to line level while eliminating noise and protecting against hum and hostile electrical environments. It has an extra TRS output for separate line control, which can be used as a splitter or an aux send for monitoring. Input connections are balanced in and out (XLR) with a 1/4" TRS balanced buffer out. The Electro-Harmonix mic pre unit also boasts a phase reverse switch and a +4dBm indicator light for setting optimal mic level. The 48V phantom power is soft starting and pop-free.

Features
  • Equipped with a 12AY7 EH tube and a 12AU7 EH driver
  • Wide dynamic range, warm tone, and superb accuracy
  • 200V supply delivers 50dB of gain into high load, 40dB gain into 600 ohms
  • FET current-balancing mic preamp circuitry eliminates noise and hum
  • TRS output for separate line control (use as a splitter or for monitoring)
  • Balanced XLR in and out
  • 1/4" TRS balanced buffer out
  • Phase reverse switch
  • +4dBm indicator light for setting optimal mic level
 
Customer Reviews
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Review Snapshot®

by PowerReviews
Electro-Harmonix12AY7 Tube Microphone Preamp
 
5.0

(based on 6 reviews)

Ratings Distribution

  • 5 Stars

     

    (6)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (0)

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    (0)

  • 1 Stars

     

    (0)

Reviewed by 6 customers

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Displaying reviews 1-6

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(1 of 1 customers found this review helpful)

 
5.0

the bomb

By Doc

from Big D

About Me Experienced

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Verified Buyer

Pros

  • Adds warmth to vocals
  • Clear Sound
  • Versatile

Cons

  • None

Best Uses

  • Amateur Recording

Comments about Electro-Harmonix 12AY7 Tube Microphone Preamp:

use it for recording at home and also for performance. Definately "warms up" your vocals. hint.. be sure to remove cover a push tubles all the way in. At first I had a little noise, but after performing above, very clean..

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(6 of 9 customers found this review helpful)

 
5.0

Unreal

By Circle X Productions-EOd5n

from Washington D.C.

Comments about Electro-Harmonix 12AY7 Tube Microphone Preamp:

I put this head-to-head against the UA Solo 610 and the Blue Robbie. The 12AY7 really shined. To be fair, I DID replace the 12AY7 and 12AU7 stock tubes with NOS 1966 GE JAN 12AY7's. The real magic came after stacking 4 acoustic guitars and 3 vocal tracks. The sound was really clean and thick. It was really more comparable to the GT SUPRE. The only thing this box does is sound great. Use a balanced I/O!!! For an even fatter sound, I used a EHX Black Finger on the vox and guitar tracks with NOS 12AX7's. I am now selling my LA-2A and UA S610. I used a Chameleon Labs TS-2 on all recordings.

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(6 of 6 customers found this review helpful)

 
5.0

My Acoustic guitars shine through this thing

By Emberv3

from Allentown, PA

Comments about Electro-Harmonix 12AY7 Tube Microphone Preamp:

I did much research before buying this preamp, This is my first preamp that is not a starved plate design. The thing just arrived so I plugged it in to my SM81 and grabbed my taylor and started strumming some stuff. I had an acoustic test project saved that I was using to test acoustic guitars on my ART Tube MP and the difference is astounding. I was using a dual mic setup with the ART (SDC SM81 at 14th fret and a LDC AKG Perception 200 at ear level overlooking the guitar) and all I did the the EH was use a single SDC and just double the track and delay the second track by a couple MS. and WOW! single mic beats the dual mic setup by leaps and bounds with the EH!!!! Buy this if you record acoustics and you will not regret it!!!

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(3 of 5 customers found this review helpful)

 
5.0

Build questionable but sound is amazing...

By Anonymous

from Undisclosed

Comments about Electro-Harmonix 12AY7 Tube Microphone Preamp:

I'm a long time studio owner and own some really nice mic pre's out there..Pre's like apogee's Trak2 & Ensemble as well as Focusrite's ISA428...I own Api luchbox preamps as well as pre's by osa / Purple audio...This EHX is THE Best pre I have when using on an acoustic guitar....PERIOD.....It does something to acoustic guitars that no other pre in my collection does...I cant pinpoint it but if you put it next to the other pre's it's not even close...And that's saying something...Only thing about this pre is that it doesnt have much gain...What I suggest is using an external compressor to use as extra gain for this pre...Also if you're going to run a guitar cable into this use a di! That way you're getting all the tube pre goodnes....Peace and buy this! It's a great "cheap" mic pre...Works really well as room mic pre's also....

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(4 of 4 customers found this review helpful)

 
5.0

Needs Balanced to Unbalanced Conversion

By Anonymous

from Undisclosed

Comments about Electro-Harmonix 12AY7 Tube Microphone Preamp:

This unit puts out a balanced signal from the XLR output. If you're using a consumer soundcard like I am, you'll need to convert the output signal to unbalanced. I had to buy a "Line Level Shifter" from EBtech to get rid of the loudish hum people talk about. I too thought the thing was defective. It's not. It just requires above listed conversion. Best preamp in its price range, if you're looking for a "vintage" tube tone. I use this thing on everything.

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(2 of 3 customers found this review helpful)

 
5.0

very good if it comes in working order

By bpluhar

from Indiana

Comments about Electro-Harmonix 12AY7 Tube Microphone Preamp:

I recently purchased one of these preamps. I plugged it in and had recorded some simple riffs to test the quality I could get. Well, my 12AY7 came defective. It had a major problem with a loud hum no matter where it was and what I had plugged in. When I listened to the sound quality it would give me without taking the hum into account, I was pretty amazed. This thing works perfectly with a Shure SM57 or SM58, you won't believe how good your mic can sound.

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