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Hagerman Audio Labs

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Hagerman Audio Labs

iRIAA2 - Inverse RIAA Filter

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$59.00

Color

Black

Quantity

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A$359.00A$509.00

Two-channel passive inverse RIAA filter enables precise analog audio restoration
Switchable output levels (40dB to 60dB) accommodate various testing needs
Accurate frequency response from 10Hz to 100kHz ensures reliable results
0.5dB accuracy within this range for professional-grade testing
Manual operation and analog processing for authentic audio signal handling

Summarized by Shop

The iRIAA Filter is a two-channel passive inverse RIAA response filter for use in testing phono preamplifiers. Unlike traditional networks, the iRIAA Filter includes a correctly placed upper 3.18us (50kHz) corner in its transfer function. Output level is switchable between -40dB and -60dB. Frequency response is accurate to within +/-0.5dB

Input Impedance: 50 ohm
Output Impedance: 600 ohm (MM/MC), 60 ohm (other)
Output Levels: 40dB to 60dB
Frequency Response: 10Hz to 100kHz
Accuracy: 0.5dB
Channels: 2

Summarized by Shop

5.0

2 ratings

5

4

3

2

1

Perfect tool for burning in a tube phono pre-amp, just as advertised!

R

Robert · October 5, 2025

Hagerman Audio Labs

5 (21)