Acoustic Solid Solid 733 Turntable at Vinyl Sound Toronto Canada

*Package comes with WTB-213 Tonearm Only! No Cartridge! Microcontroller motor control M4 with crystal oscillator* 

The Solid 733 is a string-drive reference turntable from Acoustic Solid (Germany), available at Vinyl Sound in Toronto, Canada. Sharing the Solid Royal's flagship 440 x 440 mm aluminum plinth footprint and Microcontroller M4 quartz crystal motor control, the 733 brings large-format Acoustic Solid engineering to a more focused specification: a 12.5 kg, 50 mm thick single-billet aluminum platter on a 40 mm thick aluminum chassis weighing approximately 33 kg without tonearm. Drive is delivered via string from a separately housed synchronous motor, with three individually adjustable Teflon-decoupled feet for precise leveling. Supplied with the WTB-213 tonearm — no cartridge included — in polished or aluminum matte finish.

Large-Format Chassis with M4 Motor Control

The Solid 733's most immediate distinction within the Acoustic Solid lineup is its combination of a wide 440 x 440 mm footprint — shared with the flagship Solid Royal — and a 40 mm thick aluminum plinth, matched with the Microcontroller M4 quartz crystal oscillator that previously appeared only on the Royal. This pairing delivers Royal-grade motor control precision in a chassis specification that sits between the Solid Edition and the Solid Royal in plinth thickness and platter mass. The separately housed synchronous motor transmits rotation via string drive, physically isolating motor-induced vibration from the plinth and bearing assembly, and three individually height-adjustable feet — each decoupled by Teflon discs — provide stable, precise leveling on any surface.

Single-Billet 12.5 kg Platter on a 40 mm Plinth

The 733's 12.5 kg, 50 mm thick platter is machined from a single continuous billet of aluminum, eliminating the structural joints and resonance paths present in assembled platter designs. CNC-precision turned, it is dressed with a genuine leather mat and a 5 mm Plexiglas pad at the record interface — the same pad thickness used on the Solid Machine and Solid Royal, thicker than the 3 mm pad of the smaller Metal series models. The 40 mm aluminum chassis body provides a rigid, low-resonance foundation, and the 440 x 440 mm footprint delivers the wide, stable base geometry of the Royal in a turntable weighing approximately 33 kg without tonearm — lighter and more practically sized than the Royal's 50 kg, while sharing its large-format plinth philosophy.

Key Features

• 12.5 kg Single-Billet Aluminum Platter: 50 mm thick, machined from a single continuous aluminum billet for maximum structural integrity, eliminating joints and resonance paths in the platter assembly.
• Microcontroller M4 with Crystal Oscillator: Acoustic Solid's most advanced motor control system, shared with the flagship Solid Royal, governing the separately housed synchronous motor via string drive with real-time fine adjustment.
• 440 x 440 mm Plinth Footprint: Large-format chassis base shared with the Solid Royal, providing exceptional stability and a wide anti-vibration foundation.
• 40 mm Aluminum Chassis: Rigid aluminum body providing a low-resonance structural foundation between the large-format footprint and the single-billet platter.
• String Drive with Separately Housed Motor: Synchronous motor physically isolated in its own enclosure, transmitting rotation via string drive for maximum isolation of motor-induced vibration from the plinth and bearing.
• 5 mm Plexiglas Pad: Thicker than the 3 mm pad used on the smaller Metal series, adding mass and a further damping layer beneath the genuine leather mat at the record interface.
• Three Individually Adjustable Feet: Each independently height-adjustable and Teflon-disc decoupled for precise leveling and resonance isolation on any surface.
• Two Finish Options: Available in polished or aluminum matte finish.
• WTB-213 Tonearm Included: Supplied with the WTB-213 tonearm — no cartridge included.

Technical Specifications

Frequently Asked Questions

What is the Acoustic Solid Solid 733?

The Acoustic Solid Solid 733 is a string-drive turntable from Acoustic Solid of Germany, featuring a 12.5 kg, 50 mm thick single-billet aluminum platter, a 40 mm thick aluminum chassis on a 440 x 440 mm footprint, and the brand's most advanced Microcontroller M4 quartz crystal motor control driving a separately housed synchronous motor via string drive. It weighs approximately 33 kg without tonearm and is supplied with the WTB-213 tonearm in polished or matte finish.

How does the Acoustic Solid Solid 733 compare to the Solid Edition and Solid Royal?

The Solid 733 sits between the Solid Edition and the Solid Royal in the Acoustic Solid hierarchy. It shares the Solid Royal's 440 x 440 mm footprint and Microcontroller M4 motor control, while using a 40 mm plinth — thinner than the Royal's 80 mm but matching the Edition — and a 12.5 kg, 50 mm platter rather than the Royal's 15 kg, 70 mm single-billet unit. At approximately 33 kg without tonearm, the 733 is lighter and more practically accommodated than the Royal's 50 kg, while delivering M4-grade speed control in a large-format chassis that the Solid Edition does not offer.

How does the Acoustic Solid Solid 733 compare to the Rega Planar 10 or Pro-Ject Signature 12?

The Solid 733 operates in a different engineering philosophy from the Rega Planar 10 and Pro-Ject Signature 12. The Rega Planar 10 uses an ultra-lightweight skeletal plinth with a ceramic platter and external PSU, while the Pro-Ject Signature 12 combines a sandwich plinth with a carbon fiber tonearm and AC synchronous motor. The Solid 733 takes the opposite approach: a 33 kg all-aluminum mass-loaded chassis, single-billet 12.5 kg platter, physically isolated string-drive motor, and M4 quartz oscillator control — prioritizing mechanical mass and material rigidity over lightweight plinth design.

What is string drive and how does it differ from belt drive?

String drive uses a thin, low-mass string rather than a rubber or Nylon-silicone belt to transmit rotation from the motor pulley to the platter. Because the string has significantly lower mass and elasticity than a conventional belt, it transmits rotational energy with less stored elastic deformation, resulting in more direct and consistent torque delivery. On the Solid 733, the motor is also housed in a separate enclosure from the plinth, further isolating motor-induced vibration from the bearing and platter assembly — a combination that string-drive designs handle more effectively than conventional belt arrangements.

Does the Acoustic Solid Solid 733 come with a cartridge?

No. The Solid 733 is supplied with the WTB-213 tonearm but no cartridge, allowing the buyer to select a cartridge suited to their phono stage and system character. Vinyl Sound Toronto can advise on cartridge pairing for the WTB-213 tonearm.

Where can I buy the Acoustic Solid Solid 733 in Toronto or Canada?

The Acoustic Solid Solid 733 is available in Toronto, Canada at Vinyl Sound, an authorized Acoustic Solid dealer. Vinyl Sound's team can assist with cartridge selection, phono stage matching, and full setup support for this reference-level analog front end.