PMT Audio
AEA RPQ503

AEA

RPQ503

500 Series Module

From AEA:

Based on the 3rd Generation circuit design of our celebrated RPQ3, the RPQ503 brings the same rich and natural sound to the 500 Series Format.

The RPQ503 is the next evolution in AEA’s trusted lineage of high-impedance, high-gain preamplifiers.

More than just a preamp, the RPQ503 also includes the expanded EQ section of the RPQ3, with boost and cut controls for both low and high end, on custom, compact, dual-concentric potentiometers.

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: (-0.6 dB 10 Hz, -3 dB 160 kHz), 85 dB gain: (-3 dB 10 Hz and 160 kHz)
THD+N
0.0018% (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
EQ circuitry
First order shelving response, 20 dB max boost/cut, low frequency sweep continuously variable 40 Hz to 675 Hz, high frequency sweep continuously variable 2 kHz to 28 kHz
Input and output XLR polarity
Pin 2 high
LED signal level indicators
Green LED = -20 dBu; Yellow LED = 0 dBu; Red LED = +20 dBu (clipping +27 dBu)
Dimensions
0.125” anodized aluminum front panel measured with knobs and switches: 1.5”W, 6.8”D, 5.2”H (3.8cm x 17.27cm x 13.34cm)
Weight
12 oz (~0.338 kg)

Source: AEA RPQ503 one-sheet (PDF), Technical Specifications