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Specifications for:
ADK Custom Shop AP-1 Mic Pre-Amp
Input Impedance: 1.5k ohm
Gain Range: 25-65dB
Noise (EIN): -125dB
Output Impedance: 75 ohms
Max Output Level: +30dB
Frequency Response: 20Hz - 20kHz
Distortion THD: > 0.08% @ 1kHz
Input Connectors: XLR Balanced Mic Input ¼” Unbalance Instrument
Output Connectors: XLR Balanced Line Output Stock Input Transformer Cinemag
Stock Opamp: ADK Class AB JFET Design. Swappable. Compatible Op-Amps available new and on the vintage market from manufacturers such as John Hardy, Millenia Media, API, Seventh Circle Audio, Forsselltech, Melcore. Vint-Op-M/N from ADK.
Power Supply: Internal PSU featuring Torroidal Transformer, pre-regulation circuit at the PSU and localized regulation located for each opamp.
Phantom Power: +48vdc
Op Amp Power Rails: +/-18vdc
AC Power Requirements: 115/230 VAC 50/60Hz set by internal jumpers at the factory.
AP-1 Fuse Requirements: 115VAC: 125ma Slo Bo 230VAC: 63ma Slo Blo
AP-1 Dimensions/Weight: 8.5” x 1.75” x 7” 3 lbs
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