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  DB-50XG At a Glance
Click for larger view arrowReleased: 1995  Specifications
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Chris Stone writes:
The DB-50XG, latterly also termed 'Waveforce', is a ‘daughterboard’-mounted inexpensive yet powerful (16 part multitimbral, 32 note poly) and user-friendly PC card synth that appeals to the beginner and more advanced user alike. It is good for a range of musical styles, but can excel at house/techno/garage if used with the XG Gold shareware editing program (see below).

The ‘board clips into the 26-pin female WaveBlaster-compatible header connector on suitable sound cards. It outputs through the sound card and, as a result, the output quality depends heavily upon that of the card; if yours is relatively noisy, you're not going to get the best results. No inputs or outputs - everything is routed through your sound card. Not to be confused with the inferior WaveForce WF-192 gamers card.

The guts of the DB-50 are exactly the same as in the Yamaha SW-60 and MU-10 synths (see reviews) ­ unlike the DB these latter two are configured as a PC ISA card and an external module respectively. The three were the babies of the MU range and still offer incredible value. Based around the SWP00 AWM2 wavetable chip, they were sold from 1995 initially as upgrade cards for gamers, but became popular with musicians when it was discovered that their wavetable synths were capable of producing high quality sounds. The subsequent development of computer-based editing software improved user access to the sonic power of the sound chip, which was later employed in the CS1x and other popular (and more expensive) Yamaha synths.

Basic synth characteristics: sample-based synthesis (Yamaha AWM) with 4Mb of voice ROM, offering 32 note polyphony (last note priority), 16 parts multitimbrality, a truly great 24db/oct. four pole resonant set of filters, and 18-bit D/A conversion.

The DB-50 is fully General MIDI compatible, but Yamaha XG offers more sounds (480 voices and 11 drum kits), more signal processing power, and greater

control than the standard GM mode. Interestingly, the unit is also Roland GS compatible in TG300B mode that is said to offer yet more voices (untested).

The synth card bristles with effects, offering three independent quality 24 bit parallel digital DSP effects processors. The three channels provide reverb (11 types); chorus (12 types); and variation (42 types). Variation operates in either Insert (on one channel) or System mode (across all channels) mode. All effects are editable and may be controlled in real-time with up to 16 parameters per effect, and there are a few cross modulation options.

A computer-based programme is essential to get the best out of this fully real-time editable synth, because it has no physical controller knobs. Gary Gregson's XG Edit (shareware) was developed for Yamaha and is a fine editor for using the card in standard XG mode. But third-party software developers have been busy opening up the full potential of the powerful synth chip, and Achim Stulgies' excellent XG Gold (shareware) gets the max out of the synth chip, enabling QS300 performance mode, formerly accessible only using sysex commands. Controlled by XG Gold, the DB-50 can emulate the four element

voicing and parameter controls of the Yamaha QS300 synthesizer workstation, which cost UK pounds 1200 when it was launched in 1996 (though three- and four-element sounds will each consume two MIDI channels). XG Gold is also marginally preferable for handling and editing standard XG sounds - if you've got a DB-50 and haven't yet got XG Gold, you've treat in store!

Dave Aoun's Fexman (freeware) is a freeware program enabling users to operate the SW-60 and MU-10 primarily as effects units, but is said not to work with the DB-50. Other software to check out: XG Control, SW Edit, XG Wizard, and XG Tool (Amiga). Or control your synth in real-time with Yamaha equipment such as the CS1X and AN1X, or a dedicated external controller such as the Phat Boy.

One downside is that the DB-50/MU-10/SW-60 synths are quite noisy, producing a high-pitched hiss that some users have attributed to the quality of the output stages (though it true to say that the noisy electronic environment inside a PC is not ideal for any synth). Zeroing the mic and line inputs with the internal mixer using either the bundled Effect Gear II software or XG Edit will marginally reduce the noise floor, and turning off the onboard karaoke chip (!) is said to help too. The MU-10 is marginally quieter.

There are stories of users running multiple DB-50s in a single PC!

Tip: use some decent speakers if you can - if you only have typical small PC monitors, consider hitching your sound card up to your hi-fi (IF you know what you are doing…..)

Comments About the Sounds:
The best features of the sounds in memory are the effects that can be applied to them. The sounds themselves are typical for a GM/GS synth.

(Thanks to Chris Stone for this info.)
and not at all for the pic

Links for the Yamaha DB-50XG
 More Synth Gear  Best US prices on many current models
XG Dance Sounds Collection 154 New Dance Sounds for use with any XG synth
Deep Synthesis Page Sound examples and SoundDiver editor

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