JLA250D through hole version 1pc left

JLA-250D is a compact amplifier module designed for subwoofer applications. It uses an aluminum heat spreader under the PCB which makes it easy to be retrofitted in the amplifier section of a busted plate amp or an old power amp. Operating temperature is good and can be placed inside a speaker cabinet with no external ventilation.

Capable of high current output for subwoofer duties, the bass is cleaner and more powerful than single chip, single supply amplifiers, and other class-d amps with aggressive current limiting protections. No feeling of restrained performance and will drive the subwoofer to its real capability.

It uses high current, low loss ferrite core output inductor which is suitable for subwoofers and other high power duties.

Each JLA-250D is tested for its rated output power* for 10 seconds, powered-on idling for an hour, and then retested again to guarantee a fault-free product.

* Output power tested with +/- 75V DC rails, 1kHz at 4 ohms load

Package Includes
1 pc assembled and tested mono module with heatsink.
Documentation via email

Features
Built in speaker protect
Rugged design without using proprietary parts.
Plug and play retrofit with most Velodyne subs
CHT-8QR, CHT-10, EQ-MAX 10, 12, 15 etc.

Specifications
Supply Voltage: Selection ±45V to ±75V DC
Speaker Protect Voltage: 12V fast collapsing DC (min 100mA)
Output Power: 300W-8Ω, 550W-4Ω, 500W-2Ω Burst
Voltage gain: 28
Input sensitivity: 1.8V RMS
Input impedance: 4.2K Ω
Load impedance: 4Ω or 8Ω
Idle dissipation: ~6W at ± 75V DC
THD 1kHz, 4Ω, ±75V: less than 0.1% at 550W
PCB area: 120mm * 71mm
Footprint 31A: 120mm * 100mm * 40mm (L * W * H)
Footprint w/Coilcraft: 120mm*100mm*30mm (L * W * H)
Overcurrent /short protection: Yes
Speaker Protection: Yes
Over voltage protection: No,
Absolute Max Voltage: ±90V DC
Overheat protection: 100 degC board sensing near mosfet

Shipping
Contact us for actual shipping amount of combined items:
[email protected]

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