Brand: M2TECH


M2TECH Joplin Analog to Digital Converter

Availability: Discontinued
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The M2TECH Joplin is a high performance Analog to Digital Converter capable of handing up to 384kHz sampling rates and 32 bits resolution (USB output)!

The M2TECH Joplin Analog to Digital Converter features a high speed asynchronous USB input based on the hiFace Two technology, further developped to allow for higher sampling rates. A comprehensive output set (S/PDIF on RCA, AES/EBU on XLR and optical on Toslink) provide great connection versatility. Also, an auxiliary S/PDIF digital input on RCA allows for re-using the digital connection used for the Joplin for a digital source, as well as for redirecting the output from a digital source to a computer which is not provided with an S/PDIF input.

"[The] M2TECH Joplin is a stylish-looking A/D converter, not surprising given its Italian origins. It’s also among the most versatile, in that it also includes a built-in MM phono preamplifier with multiple EQ curves... The Joplin is an impressive piece of gear with a wide range of capabilities." - Michael Fremer,

Despite its price, the M2TECH Joplin Analog to Digital Converter encopasses a leading edge technology for data handling and processing. An FPGA is used to provide a seamless connection between the ADC IC and the USB port (both operating in master mode for low jitter reasons), as well as for a large number of important clock and data routing tasks, not to mention the VU-meter drive. The analog stage is based on the best PGA (Programmable Gain Amplifier) available on the market, and allows for gain as high as 65dB (equivalment to 0.95mVrms for 0dBFS). A comprehensive set of equalization curves can be selected, to accommodate all phono formats ever used from 1925 to the present day, plus eq curves for reel-to-reel tapes with straight output from the playback head. The small size and stylish look of the Joplin allow for a uninvasive placement in every living space.

"...the vinyl breakthrough single source digital nuts have been waiting for - play vinyl digitally at such high resolution it sounds just like analog" - Tom,

"For those collectors of jazz and early issues then the Joplin includes pretty much every major EQ. RIAA, AES, Capitol, Columbia (Microgroove), HMV, Decca FFRR, MGM, Angel (EMI), Audiophile (Acoustic Sounds reissues), NAB, Oiseau-Lyre, Pacific Jazz, Philips, RCA (1, 2 & Orthophonic), Brunswick, Columbia 1925, Columbia 1938 and Columbia England (CO25, CO38 and COLE), Victor 1938-47 and Victor 1947-52 (VIC3 and VIC4), Decca 78 and MGM 78. If it’s not on there you probably don’t need it." - Simon,

• 384kHz/32-bit Analog-to-Digital Converter
• High-speed asynchronous USB connection. Single-ended stereo input on RCA.
• S/PDIF, AES/EBU and Toslink digital outputs.
• Auxiliary S/PDIF input for bridging.
• Selectable input gain 0dB to 65dB.
• Wide choice of equalization curves in digital domain.
• Various filter options (anti-rumble, anti-hiss, MPX).
• Remote control.
• Encased in a stylish aluminium case.

Size: 200(w) x 50(h) x 200(d) mm
Weight: 1Kg approx.
Sampling Frequencies(kHz):
44.1, 48, 88.2, 96, 176.4, 192, 352.8*, 384*
Resolution: 16, 20, 24 bit (S/PDIF, AES/EBU, optical, with or without dither), 16, 20, 24, 32 bit (USB, with or without noise shaping)
Frequency response: 10-20kHz +0.1/-0.5dB (fs = 44.1kHz), 10-150kHz +0.1/-0.1dB (fs=384kHz)
SNR: 122dB (A weighted, 384kHz, 32 bits, gain 0dB), 114dB (A weighted, 192kHz, 24 bits with noise shaping, gain 0dB), 100dB (A weighted, 192kHz, 24 bits with noise shaping, gain 40dB)
THD+N: 0.00045% (1.7Vrms in, 192kHz, 24 bits, gain 0dB)
Gain: 0dB, 10dB to 65dB in 1dB steps
Numeric gain with eq: 22dB
Cross-talk: -110dB @1kHz
Inputs: analog single ended on RCA female, S/PDIF on RCA female
Oututs: 1x S/PDIF (RCA female), 1x AES/EBU (XLR), 1x optical (Toslink), 1x USB (USB female Type B)
Input voltage: 1.7Vrms (4.8Vpp @ 0dBFS)
Supply voltage: 15VDC
Supply current: 290mA

*only USB

Click Here for the M2TECH Joplin A/D manual!

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