With 81 dB of quiet JFET gain and a NoLoad™ input impedance above 10,000 Ω, the AEA RPQ500 Preamp delivers the bandwidth and quietness needed for high resolution recording!
The CurveShaper™ offers a natural option for sculpting your sound right at the start of the signal path. Switchable and tunable Low Frequency (LF) and High Frequency (HF) contour controls allow engineers to tame proximity problems and provide HF extension and slope control. The high-frequency CurveShaper™ excels at adding a touch of air or presence, and the low-frequency control can remove boxiness and boominess in a fast and unobtrusive way. The Line/Mic switch bypasses the microphone gain stage and allows the EQ to be used for tracking with other preamps or during mixdown. Add the output level control, and the RPQ500 becomes a high-quality processing tool that can be used for mixing and mastering when combined with summing racks and mixers such as the Purple Audio Moiyn or the Roll Music Folcrom.
Electronic Specifications:
| Gain at 1kHz, Balanced-in to Balanced-out in Microphone Input Mode: |
81 dB |
| Noise figure, RMS A-Weighted: |
< 2 dB |
| Noise figure, RMS Unweighted: |
< 2 dB, 20 kHz LPF bandwidth |
| EIN: |
< -130 dBu, 150 Ω resistive source |
| Frequency response: |
-3dB < 1Hz and > 100 kHz |
| THD: |
< 0.02% at 1kHz |
| Balanced Microphone Input Impedance: |
10 kΩ |
| Balanced Line Input Impedance: |
33 kΩ |
| Input Gain control: |
12-position switch from +7 dB to +56 dB gain for the preamplifier circuit, as measured between the input and before the output line driver |
| Output Gain control: |
Continuously variable from -64 dB to +19 dB additional output gain, following the CurveShaper circuitry |
| Switched LF Shelving filter: |
-3 dB break-frequency tunable from 18 Hz to 360 Hz; maximum reduction -20 dB |
| Switched CurveShaper EQ: |
+3 dB break-frequency tunable from 2.1 kHz to 26 kHz; HF gain adjustable from +0 dB to +18 dB; the slope of the HF filter varies interactively and directly with the CurveShaper frequency and gain settings |
| XLR output maximum level into 600Ω load: |
+28 dBu, balanced; 0 dBu = 0.7746 V RMS |
| XLR connectors polarity: |
pin-1 is ground, pin-2 is high, pin-3 is low |
| LED signal level indicators: |
green snaps on at -6 dBu, red snaps on at +23 dBu, and yellow varies brightness with level from -3 to +20 dBu |
Physical Specifications:
| Dimensions: |
1.488" W x 6.033" D x 5.247" H (3.78 cm x 15.32 cm x 13.32 cm) |
| Weight: |
14.5 oz (411 g) |
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