Quad 67-CD
Quad's second CD player arrived late, looked plain, and measured like a laboratory instrument. Collectors now chase this quietly overbuilt British digital for its midband.
Overview
The Quad 67-CD is a compact disc player from the 1990s, and one of the more confusingly named pieces in the company's catalog. Sources write it as "Quad CD 67," "Quad CD67," "Quad 67 CD-player," "Quad 67," and "Quad 67CD" more or less interchangeably. The service documentation settles on "67CD," and that's the form that shows up on the player's own display at power-up. It's the same machine whatever spelling a seller uses, but searching one variant will miss listings filed under another.
The feature list isn't what makes the 67-CD interesting. The measured performance is. Leonard Feldman's equipment profile in Audio (March 1994, p.54) is the single most substantial record of the model, and the numbers he got were strong for the period. Channel separation at 1 kHz came in at 107 dB in one direction and 108.5 dB in the other. It was still holding between 87 and 88.5 dB at 16 kHz, so the separation doesn't fall apart at the top of the band the way it does in lesser players. A-weighted signal-to-noise ratio measured 116.2 dB on the left channel. Frequency response was flat to 20 kHz, with deviation from flat even smaller than the 0.1 dB Quad itself quoted, and left and right output levels matched almost perfectly.
Those are the numbers of a player designed to stay out of the way of the music. Feldman's fade-to-noise test used a harpsichord piece that Quad had evidently sent along with the player. That's a fitting choice for probing low-level linearity, which was being closely scrutinized in that era. Quad shipping its own test disc suggests the company wanted the 67-CD judged on its behavior at the quiet end, not on specs printed in a brochure.
Nearly everything technical known about this model comes from that one review. The numbers are, however, internally consistent and unusually detailed, which is more than can be said for most 1990s digital.
Key Features
Philips CDM 9 Transport
Inside, the 67-CD uses the Philips CDM 9 transport mechanism. It's a well-regarded swing-arm design that Quad's own literature describes as extremely well engineered, producing very low error output even with badly marked or out-of-specification discs, and very quiet in operation. The tradeoff is age. The plastic tray gear wheel in the CDM 9 is known to disintegrate after roughly ten to fifteen years of service, stripping its teeth and leaving the drawer stuck. Replacement gears are available, and the repair is documented as a sub-one-hour job for a competent DIY enthusiast. Buyers should assume any original gear is either already replaced or about to fail.
Delta-Sigma Conversion
Conversion is handled by an 18-bit, 64x-oversampling Delta-Sigma decoder. Quad's own documentation makes the case for the topology plainly: the chief advantage of the Delta-Sigma chip is that conversion accuracy doesn't depend on the accuracy of the master clock, so it is not susceptible to clock jitter. Quad chose a converter it could defend on principle, then backed it with error correction via the Cross Interleaved Reed Solomon Code (CIRC). The manufacturer's stated aim was a player with measured performance very close to the theoretical optimum and a high tolerance of damaged or faulty discs.
Minimal Controls, Two Remotes
The 67-CD is operated either by the Q66 remote control, the system remote shared across Quad's 66-series components, or by the small hand-held control supplied with the player. The front panel is deliberately sparse. The design brief called for something simple to operate with the minimum of controls, on the assumption that most listening would run from the beginning of a disc. Tracks can still be selected and played in any sequence, and random play is provided. The drawer accepts both standard 120 mm discs and 80 mm CD singles without adaptors.
Quad System Integration
This component is built to live inside a Quad stack. The rear panel carries a standard audio output for connection to an amplifier's CD input, a digital output for outboard processing, and an AC power input configured to daisy-chain from the power outlet on the back of other Quad equipment via a short supplied lead. A dedicated rack (order code QF6CDRK) was offered to hold the 66 preamp, 66FM tuner, and 67-CD together, and a matching pedestal was available for floor standing. The player was also offered with the RC-S remote interface. None of this is exotic, but it explains why so many surviving 67-CDs turn up still paired with their 66-series siblings.
Build and Finish
Owners consistently describe the physical package in the same terms: a simple layout, very well made, with a gorgeous finish. It is not a large player, and it is not a showy one.
Historical Context
The 67-CD was Quad's second CD player. The company came to digital late, and one contemporary account put it bluntly: it took Quad six years to stagger from the digital starting blocks, and even then its choice of technology was far from adventurous. Quad's reputation was built on amplification, and the brand's standing among working engineers was such that asking any BBC engineer to name a favourite amplifier brand would likely return Quad as the answer. A CD player wearing that badge was expected to be neutral and unremarkable rather than clever, and the 67-CD was built to that brief.
Exact production years are not documented in the archive. The model is consistently placed in the 1990s, with the Audio profile appearing in March 1994, but no start or end date has been confirmed. Original pricing is likewise unrecorded.
Collectibility & Value
The 67-CD occupies an odd spot in the used market. It is not a headline collectible, and complete examples turn up less often than the model's reputation would suggest. At the time of research there were no exact 67-CD listings live on eBay. When they do appear, they typically come with the remote control unit, manual, and mains cable. Specialist resellers have listed them as backordered rather than in stock.
Sound is where opinions divide. Owner reports describe excellent midband and treble, soft yet detailed, but not much bass to speak of. That is a consistent impression across user reviews. The 67-CD was voiced for transparency in the middle, and buyers wanting weight down low should look elsewhere. The overall owner rating sits at 4.8 out of a scale whose denominator was cut off in the source, so treat that figure as indicative rather than precise.
Service history is the real buying consideration. A service manual exists, and repair accounts, including one video documenting the final state of a fixed player with less than happy news, confirm that these units do require attention. The CDM 9 tray gear is the known weak point, and the laser assembly is now decades old. No current market prices have been reliably recorded, so valuations should be treated as unknown rather than assumed.
Similar items on eBay
No exact Quad 67-CD listings are live right now — these searches show current Quad and similar vintage audio gear on eBay:
As an eBay Partner, we earn from qualifying purchases. This helps support our independent vintage technology research.