$3849

Includes Free Shipping*

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Product Code: MNL-SEG28EPL

$3849

Meinl Sonic Energy Planatery Tuned Gong Platonic Year 28"

Stock at Supplier:Ships in 7-14 days

We will order it for you. On average it will ship to you within 7-14 business days. It can take longer, so ordering ASAP is always wise!
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Support: 1 Year

Warranty: 2/yr

Shipping Info

Mannys has two options for your product delivery. We offer FREE Shipping for orders over $100 (under 20kgs and 105cm) to anywhere in Australia, but if you need your gear urgently, then we also offer an Express Delivery service.

Returns Policy

Unopened items may be returned within 30 days from the delivery date for a refund, exchange or credit. Items that have been opened may be accepted back at our discretion. For more information visit our returns policy page.

35 Years. One Massive Thank You.


Mannys Means Music - and it has for 35 years. To celebrate, we're giving one lucky customer a $3,500 store voucher


Between October 1st and December 31st 2026, spend $350 or more in-store or online and enter to win a $3,500 Mannys store voucher, on us! Enter with your order number via the entry form. T&Cs apply. ACT excluded. Purchase must be made between October 1st and December 31st 2026, 11:59pm AEDT. Entries close January 11 2027, 11:59pm AEDT.

Product Information

The Meinl Sonic Energy Platonic Year Gong is a 28" handcrafted resonant instrument tuned to the Platonic Year frequency derived from Hans Cousto's "The Cosmic Octave." Forged and hand–hammered in Germany from nickel silver, this gong produces deep, sustained tones at 172.06 Hz (F2) when calibrated to A4 at 433.56 Hz. Each instrument is unique, with natural variations in surface hammering and colour from the high–temperature forging process.

The gong's precise tonal calibration arrives through meticulous hand–hammering during manufacture, ensuring frequency accuracy for sound healing and meditation applications. Its 70 cm diameter generates rich, resonant frequencies that sustain and evolve, creating immersive soundscapes. The nickel silver alloy provides tonal clarity and projection, while the handcrafted surface–work contributes to the complex harmonic content. Includes protective cover and handling gloves for maintenance and transport.

Sound therapists, meditation facilitators, and musicians working with frequency–based composition will find the Platonic Year tuning valuable for creating calming, atmospheric sessions. The gong's connection to cosmic octave mathematics offers a foundation for exploring tuning systems beyond standard concert pitch, enabling deeper exploration of acoustic healing and vibrational work.

Features
  • Handcrafted in Germany with nickel silver alloy construction
  • Tuned to Platonic Year frequency: 172.06 Hz (F2, A4 433.56 Hz)
  • 70 cm (28") diameter for deep, sustained resonance
  • Hand–hammered surface for precise pitch and harmonic richness
  • Each gong features unique surface variations from forging process
  • Deep, resonant tones for sound therapy and meditation practice
  • Includes protective cover and cotton gloves
  • Based on Hans Cousto's "The Cosmic Octave" frequency calculations
For more information, please visit the manufacturer's website.