TRP3
Microphone Preamplifier
From AEA:
The AEA TRP3 mic preamp utilizes our newest 3rd generation circuit design. This versatile, half-rack preamp provides two channels of high-output, high-impedance, and low-noise gain with a rich and natural sound that brings out the full potential of your microphones.
Specifically designed for ribbon microphones, the TRP3 excels at drawing out the warmth and lush sound that ribbons are uniquely known for. Our 3rd generation circuitry is the cleanest and most musical design we've done yet.
The TRP3 is a half-rack powerhouse that provides unparalleled high gain with low-noise. With 85db of output, the TRP3 gives you enough juice to record soft sources without ever having to worry about noise.
Specs
- Max gain at 1kHz
- 85 dB
- EIN (max gain 22 Hz to 22 kHz)
- 130 dBu (typical), 40 Ω source unweighted, 128 dBu (typical), 150 Ω source unweighted
- Frequency response
- 30 dB gain: (-0.5 dB from <10 Hz to 200 kHz), 85 dB gain: (-3 dB 9Hz to >200 kHz)
- THD+N
- 0.0015% (1 kHz, 22 Hz-22 kHz @30 dB Gain +4 dBu output)
- XLR output maximum level
- +27 dBu into 600 Ω load
- Input impedance
- 68 kΩ
- Input impedance (P48 engaged)
- 11.3 kΩ
- Output impedance
- 50 Ω
- Max input signal level
- +20 dBu (minimum gain)
- Mic gain control
- 12-position switch from +7 dB to +65 dB
- Output trim
- Continuously variable from 0 dB to +20 dB
- High pass filter
- Switchable, passive first-order high-pass filter, selectable frequencies (-3 dB) at either 115 Hz or 230 Hz
- Input and output XLR polarity
- Pin-2 is high
- LED signal level indicators
- Green LED ≅ -20 dBu; Yellow LED = 0 dBu; Red LED ≅ +20 dBu (clipping +27 dBu)
- Dimensions
- Half-rack wide (8.5 in), 1 rack unit high (1.8 in), 8 in deep (measured with knobs) (21.59 cm x 20.32 cm x 4.6 cm)
- Weight
- 2 lb (0.894 kg)
- Power supply weight
- 1 lbs 1 oz (0.483 kg)
- Power supply length
- 7 feet 8.5 inches (2.3 m)
Source: AEA TRP3 owner's manual (PDF, V1c), Specifications page