6.5-inch passive radiator · PTT series
Purifi PTT6.5PR-NA2-03
No price for delivery to the UK
Simulator support pending: 00 Simulator import needs complete passive-radiator parameters.
- Fs
- 19Hz
- Sd
- 133cm²
- Xmax
- –
- Mms
- 85g
- Vas
- 21L
- Qms
- 13.1
Purifi PTT6.5PR-NA2-03 is a 6.5-inch passive radiator. The source-backed mechanical data includes Fs 19 Hz, Vas 20.5 L. bits tracks vendor pricing and datasheet links from the same loudspeaker database.
Partial source evidence
No automated T/S validation result is published for this record yet.
- Manufacturer page linked
- Datasheet linked
- Canonical units normalized for comparison
Thiele/Small
- Fs
- 19Hz
- Qms
- 13.1
- Vas
- 20.5L
Motor and cone
- Sd
- 133cm²
- Mms
- 85g
Size and mounting
- Diameter
- 176mm
- Cutout
- 148mm
- Bolt circle
- 166mm
- Weight
- 0.25kg
Other published values
- Cms
- 0.82mm/N
- Rms
- 0.78kg/s
- Xmech
- 15
Other dimensions
- Mounting Depth
- 49
Everything else Purifi lists
LF · Primary · 6.5″
- Fs
- 19Hz
- Sd
- 133cm²
- Cms
- 0.82mm/N
- Mms
- 85g
- Qms
- 13.1
- Rms
- 0.78kg/s
- Vas
- 20.5L
- Xmech
- 15
- Weight
- 0.25kg
- Diameter
- 176mm
- Mounting Depth
- 49
- Cutout
- 148mm
- Bolt circle
- 166mm
- SoundImports5.0 out of 51 rating · Checked 24 Oct 2026Read reviews on SoundImports
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
SoundImports Import VAT and duty may apply | £108.81 | Back order | Visit shop at SoundImports | |
SoundImports Not currently listed · Last seen 27 Jul 2026 · Import VAT and duty may apply | £108.81 | Out of stock | Visit shop at SoundImports |