Electro-Harmonix 12AY7 Mic Pre with Upgraded Tubes is a used item in very good condition, listed on Reverb. The asking price is £167. It is offered by Thomas's Gear Garage through Reverb. Local pickup is available. It is in our Preamps & Channel Strips category. Used Gear Hunter first saw this listing on 29 October 2026 and last saw it on 9 November 2026. It has been seen 20 times in our scans. Prices are converted from the seller's currency when we scan the listing, so the amount you pay may differ slightly. The seller sets shipping, and import duty or VAT may apply, so check the final cost and the item's details on Reverb before buying.

From the seller

Here we have an Electro-Harmonix 12AY7 mic preamp. These preamps are discontinued and kind of hard to find. They're a great way to get some warmth and grit on a lot of sources. I mainly used mine to track vocals, and I imagine they could be a great way to get some live vocal overdrive going without effects or abusive your mic too bad. Sounds good when I use it on a drum overhead mic, too. The stock tubes have been replaced with a vintage Hammond 12au7 and a Groove tubes 12ay7. You can get some really creamy clean tones with minimal drive and you can also drive it beautifully with a really soft breakup that's a bit darker than you'd find with the stock tubes. It has an XLR input, and a 1/4 and XLR output. One criticism that people have of these pedals is that they are not as quiet as more high end tube preamps. The XLR output has some hum for sure, but the 1/4 one is pretty quiet. It comes with the power supply, too.

Electro-Harmonix 12AY7 Mic Pre with Upgraded Tubes

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