Sonifex PC-AM32 - AM PCIe Radio Capture Card - 32 Channel

Sonifex PC-AM32 - AM PCIe Radio Capture Card - 32 Channel

Code:PC-AM32 Condition: New
( £1,979.94 inc. VAT)
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PC-AM-32 - AM Radio Capture PCle Card (32 Channels)


The AM Radcap PCIe card is a radio capture card designed for simultaneous recording of up to 32 radio stations. The frequency of each individual station may be set in software and its audio appears as a standard Windows audio input device.


The AM Radcap uses a high speed analogue-to-digital converter to digitise the entire AM band, with advanced digital signal processing on a Spartan 6 FPGA used to tune and extract the audio for each individual station. It can be configured to either create a separate audio stream for each station or to pair stations together as 2-channel streams.


A WDM driver for Windows XP, Windows 7/8 and other versions is supplied as well software for setting the tuner frequencies and monitoring the received audio.


A recording level control, mute control and peak meter are provided for each station (or pair of stations) through the devices’ mixer ports. The default level setting is 50%, and at this setting 100% modulation will produce a peak audio level 6dB below clipping.


A utility called AmSpectrum is supplied. This displays the RF spectrum from 500kHz to 1700kHz and may be useful in selecting the best location for the antenna or resolving interference problems. The receiver bandwidth can be set to wide (default) or narrow. The narrow setting restricts the audio response to about 3kHz, which may be useful in noisy environments.


A utility program called Tuner is also supplied which can be used to set the frequency of each station and to monitor each station through the PC’s standard sound card or motherboard sound port. The Tuner program also provides relative signal strength indicator bars which may be useful in adjusting antenna placement.

The card is factory-configured for 6 (PC-AM6), 12, 18, 24 or 32 (PC-AM32) stations, but may be expanded in the field for an additional charge.

Operating Systems Supported

Platform: Windows XP, Server 2003, Vista, Server 2008, Windows 7, Server 2008 R2, Windows 8, Server 2012 (32-bit and 64-bit versions)
Processor: 1GHz Pentium II or better
Memory: 128MB minimum (1GB for Vista and later systems)
Bus: Single lane PCI Express v1.1
Other: Sound card or motherboard sound port for monitoring


Tuning Range: 500kHz to 1710kHz in 1kHz steps
Sensitivity: 50uV for 40dB S/N
RF Input Impedance: 50Ω
Filter Attenuation: 82dB at 15kHz or more from centre frequency
Audio Bandwidth: 5kHz
Audio Distortion: <0.1%
Audio Sampling Rate: 22.05kHz (other rates supported via Windows SRC)
Number of Stations: 6, 12, 18, 24 or 32

Equipment Type

PC-AM6 Radcap AM 6 - 6 channel AM PCIe Radio Capture Card
PC-AM12 Radcap AM 12 - 12 channel AM PCIe Radio Capture Card
PC-AM18 Radcap AM 18 - 18 channel AM PCIe Radio Capture Card
PC-AM24 Radcap AM 24 - 24 channel AM PCIe Radio Capture Card
PC-AM32 Radcap AM 32 - 32 channel AM PCIe Radio Capture Card
PC-AMUP6 Radcap AM 6 Channel Upgrade
PC-AMUP8 Radcap AM 8 Channel Upgrade

Physical Specification

Dimensions (Raw): 14cm (L) x 12.5cm (H) x 2cm (D)
5.5” (L) x 4.9” (H) x 0.8” (D)
Dimensions (Boxed): 27cm (L) x 22.5cm (H) x 6cm (D)
10.6” (L) x 8.9” (H) x 2.4” (D)
Weight: Nett: 0.10kg Gross: 0.20kg
Nett: 0.2lbs  Gross: 0.4lbs

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