Peerless DA25TX00-08
Best box: 0.015 L sealed · Fc 905.1 Hz · F3 823.7 Hz
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Comparable 1.5" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Peerless DA25TX00-08 does not fit your target box volume or tuning. Each entry links to its full enclosure design and Thiele/Small parameters.
⚠️ Engineering Notice for Builders
- Limited linear excursion (Xmax: 1.72 mm); set a high-pass subsonic filter at 25–30 Hz when driven with high power.
Textbook Bass Reflex — not recommended (12.7 dB bass hump)
PORT BUILDABLE| Net Box Volume (Vb) | 1.5 Liters |
| Tuning Frequency (Fb) | 448.0 Hz |
| F3 (-3 dB Cutoff) | 425.1 Hz |
| F6 / F10 Extension | 409.9 Hz / 389.3 Hz |
| Port Inner Diameter | Ø 12.5 cm |
| Port Physical Length | 3.3 cm |
| First Pipe Resonance | 5242.0 Hz |
| Estimated MOL @ F3 | 105.7 dB SPL |
Sealed (Acoustic Suspension) — compromise
SUITS INFINITE / OPEN BAFFLEWith Qts 0.58 a Butterworth (Qtc 0.707) box would be many times Vas. A box equal to Vas reaches Qtc 0.82; for a flat response this driver is better used on an infinite (IB) or open baffle.
| Net Box Volume (Vb) | 0.015 Liters |
| System Q (Qtc) | 0.82 (above Butterworth) |
| System Resonance (Fc) | 905.1 Hz |
| F3 (-3 dB Cutoff) | 823.7 Hz |
| F6 / F10 Extension | 649.0 Hz / 503.3 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 640.0 Hz |
| Total Q (Qts) | 0.58 |
| Electrical Q (Qes) | 0.841 |
| Mechanical Q (Qms) | 1.87 |
| Equivalent Volume (Vas) | 0.0 Liters |
| Diaphragm Area (Sd) | 6.6 cm² |
| DC Resistance (Re) | 6.9 Ω |
| Efficiency Bandwidth Product (EBP) | 761.2 |
| Linear Excursion (Xmax) | 1.7 mm |
| Thermal Power (Pe) | 15.0 W |
| Nominal Diameter | 1.5" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Peerless DA25TX00-08?
A simple ported box is not recommended for Peerless DA25TX00-08: the textbook alignment (1.5 liters tuned to 448.0 Hz) needs a 3.3 cm port, and no nearby retune stays buildable without a bass hump. A sealed box, a passive radiator or a folded duct is the practical choice.
Can Peerless DA25TX00-08 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 0.015 liters with a Qtc of 0.82 (above Butterworth), the system exhibits an F3 of 823.7 Hz.
What port dimensions should be used for Peerless DA25TX00-08 to avoid port chuffing?
A straight 12.5 cm port would need 3.3 cm of length, which does not fit a practical cabinet. Use a passive radiator or a folded/3D duct instead of a straight tube.
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