API 535-LA Line Amplifier
Best professional tool for adding analog character to audio.
This module is the ultimate utility player for your rack, injecting that signature API warmth into sterile digital signals or underpowered gear. It trades space for serious sonic authority, providing the clean gain and transformer-driven character needed to pull your signal through the longest cable runs without breaking a sweat.
$595.00
at
API Audio
Who it's for
- Audio engineers seeking classic analog warmth and punch for their mixes
- Studio professionals needing to maintain signal quality across complex setups
- Producers and engineers expanding their modular 500 Series processing capabilities
Who should skip it
- Budget-conscious home studio owners or those starting their gear collection
- Users expecting versatile processing from a single 500 Series module
- Newcomers to modular audio who lack an existing 500 Series rack
Performance breakdown
Sonic Character
Classic API op-amps deliver that signature punch and harmonic warmth.
Signal Integrity
Maintains pristine audio quality even across long, complex cable runs.
Gain Versatility
Wide range handles everything from subtle attenuation to aggressive signal boosting.
Build Quality
Rugged construction meets the high standards of professional studio environments.
Control Precision
Intuitive layout makes fine-tuning levels and polarity shifts incredibly straightforward.
Digital Integration
Effortlessly adds analog depth to sterile, clinical digital recordings.
Key Specs
Output gain range
6dB to 45dB
Balanced input
Polarity switch
20dB pad
Switchable transformer output
Discrete 2510 and 2520 op amps
Proprietary transformers
Signal to noise ratio
110dB
Minimum frequency response
20Hz
Total harmonic distortion
0.005%
Know before you buy
Still have a question?
Ask Metto anything about the API 535-LA Line Amplifier before you decide.
