Allen & Heath ZED-18 [Linux-Sound]

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====== Allen & Heath ZED-18 ======
<box right|**Allen & Heath ZED-18**>

Website \\ http://www.allen-heath.com/ahproducts/zed-18/ \\ 
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Images \\ 
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{{ http://www.allen-heath.com/media/ZED-18_Front_Main.jpg?190x192.66 }}\\ 
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{{ http://www.allen-heath.com/media/ZED-18_3Quarter_2800.jpg?280x180 }}\\
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=== Specifications ===

== General ==

Manufacturer - Allen & Heath

Released - Unknown

Available - Yes

Estimate price - 599 USD

Linux Support Rating - 5
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== Device type and interface ==

Device Type - Audio Interface

Interface - USB 1.1

ALSA Device Name - CODEC

USB ID - 08bb:2900 \\
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== Audio Interface ==

//Analog I/O//

Inputs - 10 mic-level XLR (or switching line-level TRS), 8 line-level TS (or 4 line-level RCA or USB) feeding 4 stereo inputs

Outputs - 2 mic-level XLR, 4 line-level RCA (alt+rec-outs), 1 line-level TRS (Mono out), 4 line-level TS (aux sends), 1 line-level TRS (Headphones), 1 line-level 3.5 TRS (parallel 2nd Headphones)


Inserts - 12 (10 on mic inputs, 2 on master L+R)

//Digital I/O//

Inputs - 0

Outputs - 0

//Miscellaneous//

Phantom power - Yes <mic inputs, global switch>

Word clock - No \\ 
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== Processing ==

Bitdepth - 16 bit

Sample rate - 32kHz/44.1 kHz/48 kHz (switching automatically)

SNR A/D - -127 dBu (Mic Pre EIN @ max gain 150R input Z 22-22kHz)

SNR D/A - -86 dBu (Mix L/R out, L/R faders = 0, 22-22kHz)\\
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=== Notes ===

While the mixer is just great for the price (british technology, high quality parts, assembled in China), the USB-Interface is limited to 16bit at 32/44.1/48kHz stereo in- and outputs (USB 1.1). ALSA mixers show just a PCM fader for USB output, capture level is set on the ZED-18. \\
There's a silent but still annoying treble noise appearing on the headphones mix when JACK is started on that device (has also been reported when used under different OS), but it doesn't affect the recording or Main/rec-out mix. So think of the USB interface basically as a nice add-on to a very affordable professional mixer.

{{tag>Allen_&_Heath avail_yes lsr_5 audio_interface usb1.1 an_in_10_mic-level_xlr an_in_8_line-level_ts an_out_xlr_mic-level_2 an_out_rca_linec-level_4 an_out_trs_line-level_1 an_out_ts_line-level_4 an_out_trs_line-level_1 an_out_3.5-trs_line-level_1 an_inserts_12 di_ins_0 di_outs_0 phantom_yes wordclock_no bitdepth_16 samplerate_32 samplerate_44.1 samplerate_48 snr_ad_127 snr_da_86}}

== References ==