Teac CD-D4000 (1999)
A one-to-one CD duplicator with two drives in one frame and not a connector in sight.
Overview
The CD-D4000 is a standalone, one-to-one CD duplicator. It has two drives in a single chassis, no computer, no SCSI chain and no burning software. Tascam built it to sit between dedicated audio CD-R recorders and the growing crop of desktop duplication gear. By the account of the one contemporary review that survives, it is simplicity itself.
Documentation on this machine is thin, so that review carries a lot of weight. Studio Sound (May 1999, p.56) sent Zenon Schoepe to dupe with it. His verdict was that the CD-D4000 handles both audio CDs and CD-ROMs and does so without a single I/O on the back panel. Everything happens from two drives marked MASTER and SLAVE, alongside an SPX90-sized level display, two associated buttons, and a power switch. Each drive carries its own mini stereo headphone socket, thumbwheel volume pot, and an ERCT button. That is handy if you want to audition a disc mid-dupe.
The workflow is simple. You put the source disc in the Master drive and a blank in the Slave. Then you choose real time, 2x, or 4x and hit the button. Studio Sound noted the appeal directly. Pairing two standalone CD-R machines forces you to work out which record mode will do the process most justice, and to untangle whatever conditions certain I/Os might attach. The CD-D4000 simply removes the option to get involved. The reviewer compared it to the first automatic washing machine in a household: the temptation to sit and watch is real, but aside from a display telling you how much there is to go, there's not much to see.
The front panel's "Professional" legending is not decoration. According to Studio Sound, it alludes to the fact that there is no SCMS involved - no serial copy management system getting in the way of legitimate duplication work.
Tascam's own advertising from the period, which ran in EQ (1999, p.57) and elsewhere, billed the CD-D4000 as copying CDs at four-times speed with all audio and track data transferred, "as easy as dubbing a cassette." That's marketing copy, but the period review independently confirms the 4x ceiling and the audio-plus-data transfer. The same ad series grouped it with the CD-RW5000 rewritable recorder and the CD-R400 PC/Mac burner, positioning the duplicator as the batch-work member of Tascam's CD family.
Pricing in the period ran around $1,295 to $1,299 depending on the dealer. BSW listed the CD-D4000 at a $1,295 manufacturer's list, while Tascam's own faxback advertising quoted $1,299. This was not a casual purchase. It was a capital item for a studio, a duplication house, or a post facility that had crossed the threshold where burning discs one at a time on a PC had stopped making sense.
The CD-D4000 is a purpose-built duplicator, not a playback deck. Its value today is tied to whether both drives still write reliably and whether the slot-in mechanisms are still healthy. Studio Sound observed that this is the sort of drive TEAC's expertise had long been drawn from. There's no I/O to work around if a drive fails, and no external recorder to substitute. The machine is the system. Check the drives first, before money changes hands.
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