Projects > Hairball Audio Elements Mic Preamp Series
The Hairball Audio Elements series of DIY mic preamps provides several new takes on a classic preamp topology: transformer-coupled I/O, and a single discrete op-amp for gain. Designed in conjunction with respected DIY audio product maker Eisen Audio, the preamps are 500-series compatible and come in several variations based on op-amp and transformers used.
Features:
- 4 preamp variations:
- Gold:
- “Clean” preamp; uses Jensen 990-derived opamp and Jensen transformers
- Copper:
- “British”-style; original-design Eisen Audio opamp and Ed Anderson-designed and built Carnhill reproduction transformers
- Bronze:
- LA-3A-inspired; original-design opamp and Cinemag/Ed Anderson LA-3A reproduction transformers
- Silver:
- DIY platform; multi-configuration preamp with 2520 and DIP-8 opamp footprint compatibility and multiple transformer footprint compatibility
- Gold:
- Each preamp:
- 63-65dB of gain
- 20dB pad
- polarity invert
- DI input
- Choice between variable and stepped gain
- Output trim
Price:
- $315 for Gold, $295 for Copper and Bronze, $95 for Silver (all are full component kits)
More Information:
- Available for preorder from Hairball Audio