High-resolution BLAM Signature treble
The BLAM T20HR uses a compact 20 mm (3/4-inch) textile soft dome, a high-efficiency N38H neodymium motor and ferrofluid thermal management for accurate, stable high-frequency reproduction. Its 5 Ω impedance supports considered integration into a properly designed BLAM Signature or mixed-brand active system.
Technical specifications
| Tweeter diameter | 20 mm / 3/4 inch |
|---|---|
| Dome material | Textile soft dome |
| Frequency response | 2.5 kHz–43 kHz |
| Sensitivity | 88.3 dB |
| Impedance | 5 Ω |
| Magnet | N38H neodymium |
| Thermal management | Ferrofluid |
| Range | BLAM Signature |
Installation guidance
These tweeters require correct high-pass protection, amplifier gain structure and DSP or crossover setup. They are intended for properly designed active or passively filtered systems and should not be connected directly without suitable frequency protection.
There is no universal crossover setting for this product. Final protection and acoustic settings depend on installation position, acoustic loading, target output and the rest of the system.
What you are ordering
This listing is for the exact BLAM T20HR model at the displayed supplier-recommended retail price. APEX confirms the current supplier pack quantity and stock before dispatch; this page does not claim a pair until the supplier selling unit has been recorded.
Available to order — stock confirmed before dispatch. Standard delivery rates apply to this product on its own. Free nationwide delivery applies only when the complete order reaches the store-wide R5,000 threshold.
Often selected for a custom three-way front stage
Often selected by APEX Customs as part of a custom, fully active three-way front stage with the HELIX Ci5 W165FM-S3 midbass drivers and BLAM LFR80 full-range drivers.
This combination is not a passive plug-and-play kit. It requires sufficient DSP and amplifier channels, correct crossover protection, level matching and professional acoustic tuning.
Product identification
| Manufacturer model | T20HR |
|---|---|
| Supplier reference | TS 20 HR |
| Search aliases | T20HR, T20 HR, TS20HR, TS 20 HR |
Technical information and imagery verified against the official BLAM T20HR product page. South African retail price and acoustic specifications verified against the approved local supplier list.
