https://proaudioaccessories.com Thu, 23 Apr 2026 17:29:44 +0000 en-US hourly 1 https://wordpress.org/?v=4.1.1 https://proaudioaccessories.com/2024/10/api-312-500-series-pre-amp-lunchbox-punchy-mid-range-classic-api-recreation/ https://proaudioaccessories.com/2024/10/api-312-500-series-pre-amp-lunchbox-punchy-mid-range-classic-api-recreation/#comments Sat, 12 Oct 2024 21:04:18 +0000 https://proaudioaccessories.com/2024/10/api-312-500-series-pre-amp-lunchbox-punchy-mid-range-classic-api-recreation/








API 500 series 312 Pre amp for API Lunch box format. Recreation of the classic 312 pre amp. 70’s pre-cursor to the 512. Includes the crucila EA 2622 opamp. Gain and trim so you can push the op amp to get a bit of crunch and maximum punch from the mid range. They sound really good, very useulf way to add channels to your lunchbox for a great price.

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