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API 505 DI - Discrete DI - 500-Series Module
The API 505 DI is a 500-series direct input module. The 505 DI is designed specifically for guitar, bass or keyboard input and features gain, tone, pad and impedance controls.
The tone control can be used to reduce any muddy frequencies with the bright switch adding extra clarity to the sound via a passive shelf. A -20dB pad ia available for hot signals and the load switch toggles between 100K and 400K which can alter the tone of the pickup slightly.
The gain control is used to boost the output with A 10 segment LED meter for checking your levels.
API 505 DI Features
- Wide Range Gain Control with 55dB of gain
- Front Panel Hi-Z Input
- Front Panel Thru routing
- TONE Control helps customize your sound
- BRIGHT Switch boosts clarity and presence
- 10 segment LED VU meter for monitoring output level
- Peak Output LED Indicator
- 20 dB pad switch, applies to mic/line/instrument
- 100K / 400K Switchable Load
- Traditional API fully discrete circuit design
- Uses the famous API 2520 and 2510 Op-Amps
API 505 DI Specifications
- Number of Bands: Two
- Filter Type: Passive Shelf
- Filter Frequency Centers: Low: 150 Hz
- High: 8 kHz
- Input Impedance: >380 K Ohms, Un-Balanced
- Output Impedance: 75 Ohms, Transformer coupled, Balanced
- Nominal Levels: -40 dBu to +20 dBu
- Clipping Level: +30 dBu
- Frequency Response: 0, -.4, 30 to 20 kHz
- Noise: 98 dB below +10 dBm output, unweighted. 20-20 kHz
- Distortion: THD: .01% (+4 dB @ 2 K)
- Connector: 15 position .156 sp edge connector
- Power Consumption: ±16 Volts DC, 130mA max at +24 dBu out