3 Zigma Audio TL Head Amp 

TL  |  Ultra-Low-Noise Transformer-less design offers a straightforward signal path to render precise sonic-imaging.

When paired with:

C-LOL 12 CM | It is an amazing acoustic guitar mic with super-low self-noise, designed to reference a Vintage C 12  
C-LOL 47 CM | It makes a great spot mic or in pairs a wonderful x/y mic (x/y method is ideal for close-mic applications with minimal phase issues) with super low noise, designed to reference a Vintage U47.
C-LOL 49 CM | It is a great mic on bright sources, is super-low-noise, and designed to reference a Vintage M 49.
C-LOL 67 CM | It is amazing on Reed Instruments, slightly distorted guitar cabinets, or even vocals. Designed to reference a Vintage U 67. 
C-LOL 251 CM | It is a stunning mic for nylon-stringed guitars, or harps, designed to reference a Vintage ELam 251.

3 Zigma Audio FX Head Amp 

FX  |  Ultra-High-SPL transformer-coupled Design with only a hint of texture/color. Two-Way High pass filter and pad switch for flexibility. Like the TL, the FX Head-Amp has astonishingly low noise, equally precise sonic-imaging.

When paired with:

C-LOL 12 CM | It is a great Drum overhead Mic where a brilliant wash of cymbals is desired, designed to reference a Vintage C 12. 
C-LOL 47 CM | It is the perfect close Mic for Grand Pianos or clean guitar speaker cabinet. Designed to reference a Vintage U 47.
C-LOL 49 CM | It is an amazing mic for distorted guitar speaker cabinets or brass instruments. Designed to reference a Vintage M 49.
C-LOL 67 CM | The CLOL 67 TL is a stunning mic for reeds or small body acoustic guitars, with super low noise. Designed to reference a Vintage U-67. 
C-LOL 251 CM | It is great for Jazz Drum overhead or for nylon strings. Designed to reference a Vintage ELam 251.