Locomotive Audio 40AM-1
Features
- Microphone & high impedance instrument inputs
- Two 6SJ7
- 5-Position Input Switch: 500 Ω & 1.8K Ω Mic & DI 1.6meg Ω
- Polarity reverse switch
- 20 dB pad switch
Product information "Locomotive Audio 40AM-1"
A 1940s American-Style Stereo Octal Tube Preamp Designed for Big, Thick Results
Introducing the 40AM preamp, your gateway to achieving that coveted vintage 1940s sound. Drawing inspiration from iconic models such as the RCA BA-11A and Gates SA-70, this preamp combines design elements from each into one ultimate creation. Packing a powerful punch but versatile enough to be used on a wide range of sound sources, the 40AM will help produce recordings that embody the warmth and character of a bygone era.
Locomotive Audio
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- Microphone input load impedance: 500 Ω or 1.8k Ω
- Output impedance: 600 Ω
- 1/4" DI impedance: 1.6meg Ω
- Output Level LED Color:
Greater than -10 dBu = Green
Greater than +10 dBu = Orange
Greater than +18 dBu = Red - 52 dB gain max (150 ohm source)
- Frequency response: Variable depending on setting
- Maximum 20 Hz & 1 kHz input level for 1% THD: -18 dBu (+2 dBu with Pad)
- Maximum output level: +24 dBu
- THD+N: <1%
- S/N ratio: >70 dB
- Dimensions: 19" W x 3.5" H x 10" D (2u rackspace)
- Shipping Weight: 18 lb
- Power Consumption (120/240 VAC): 25 watts