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JL AUDIO RD-Serie Monoblock RD500/1JL AUDIO RD Serie Monoblock RD500 1 De versterkers uit de RD serie van JL Audio zijn mooie middenklasse versterkers. Het compacte formaat en het strakke design zijn kenmerkend voor deze versterkers. De brede keuze aan versterkers in deze lijn zorgt ervoor dat er altijd een passende oplossing is voor iedere auto. De klasse D techniek zorgt voor een zeer efficint gebruik van het vermogen van deze RD versterkers, veel meer dan klasse A B versterkers. De
JL AUDIO RD-Serie Monoblock RD500/1 De versterkers uit de RD serie van JL Audio zijn mooie middenklasse versterkers. Het compacte formaat en het strakke design zijn kenmerkend voor deze versterkers. De brede keuze aan versterkers in deze lijn zorgt ervoor dat er altijd een passende oplossing is voor iedere auto. De klasse D techniek zorgt voor een zeer efficiënt gebruik van het vermogen van deze RD versterkers, veel meer dan klasse A/B versterkers. De JL Audio RD500/1 is een monoversterker welke speciaal gemaakt is om een subwoofer aan te sturen. De versterker levert een vermogen van 500 watt RMS @ 2 Ohm en optioneel is er een subremote control (RBC-1) leverbaar om het basslevel voor in de auto af te stellen naar eigen smaak. RMS vermogen @ 14.4 volt @4 ohm: 250 watt x 1 @3 ohm: 350 watt x 1 @2 ohm: 500 watt x 1 RMS vermogen @ 12.5 volt @4 ohm: 225 watt x 1 @3 ohm: 300 watt x 1 @2 ohm :400 watt x 1 Frequentiebereik: 7 Hz - 500 Hz (+0, -1dB) Signaal/ruis verhouding bij 1W: >60 dB Dempingsfactor @ 4 ohm: >1000 / 50 Hz Dempingsfactor @ 2 ohm: >500 / 50 Hz Totale harmonische vervorming: <1% @ 2 ohm Input voltage op RCA inputs: 200 mV - 2 V RMS Input voltage op High inputs: 800 mV - 8 V RMS Filter mode: Low-Pass Filter slope (dB/Octave): 12 dB Filter frequentie bereik: 50-500 Hz Afmeting HxBxD: 54 x 248 x 177 mm Uiteraard kunnen wij de JL Audio RD500/1 ook professioneel voor u inbouwen. Wij beschikken over 3 eigen gecertificeerde monteurs, met jarenlange ervaring. Dagelijks monteren wij dergelijke JL Audio versterkers in de meest uiteenlopende auto's! U kunt ons bellen of mailen voor een volledige offerte inclusief arbeid en materiaal.Shipping Notes
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4.0 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Great Place to Start
Format: Paperback
Clear and entertaining
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Reviewed in the United States on February 17, 2026
★★★★★ 5
Engaging Read for Beginners and Techies Alike
Format: Paperback
An engaging and accessible exploration of how computers really work. The author breaks down complex concepts into simple, relatable explanations, making topics like binary, logic gates, and basic circuits far less intimidating. For newcomers, it’s a great way to build a foundational understanding of computer theory with just a touch of electrical engineering.
As someone with a technical background, I still found it entertaining; the examples and analogies added fresh ways to frame ideas I already knew. It’s the kind of book that can bridge the gap between “I use computers” and “I understand what’s happening under the hood.”
Highly recommended for anyone curious about what makes hardware and software tick, whether you’re starting from scratch or just want a new perspective.
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Reviewed in the United States on August 19, 2025
★★★★★ 5
CODE is the book you should get.
Format: Paperback
The best book to enter the field. Grateful that Charles Petzold decided to write it, even happier this was one of the first books I picked up.
Recommend to everyone wanting to become a programmer, or just interested in computers.
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Reviewed in the United States on January 12, 2026
★★★★★ 5
If you only buy one technical computer book, this is it
Format: Paperback
Disclaimer: I owned the first edition for years and read it a dozen times, mainly for pleasure since it’s not only informative but also just enjoyable to read. I’m a professional software architect and have dozens of textbooks on computer science and engineering so I’ve been around the block.
This is the kind of book I would buy all for all my friends (if I had more than a couple) and family members (if they were even slightly into computers, which they aren’t sadly). Petzold does an exceptional job at describing digital logic and guides you through building a conceptual CPU from very first principles.
I think his bottom up approach is the way to go and has helped me understand complex topics in an extremely simple way. When I’m not reading fiction, this is my go to bedtime reading.
The second edition has about 100 more pages than the first and some content has been completely reworked and it’s great.
If you ever had even a passing interest in knowing how computers work at a very fundamental level, get this book!
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Reviewed in the United States on January 31, 2023
★★★★★ 4
First programmer?
Format: Paperback
As an ardent reader of the past 1st edition, I was fairly excited to get the latest version. That is, until I encountered the history chapter of the new edition.
For one thing, what I do NOT understand in this second edition is the newly added description of August Ada Byron (countless of Lovelace). The author claims it was Babbage who was the first programmer to design the engines, not Ada. I am not trying to start a futile argument here about who has more or fewer contributions, etc.
What I am trying to assert here is that it is undisputed that Ada (unless the new evidence arises) left *the very first demonstration* of what this seemingly imaginary machine, which didn't even physically exist, was capable of through her program. Because Babbage designed the engine itself, that doesn't automatically put him in the position of a programmer (despite Babbage being a brilliant engineer/scientist and may have had a simple or detailed program in his mind). However, it was Ada who gave a definite touch to programming concepts that ultimately led to modern-day programming. Ada deserves more recognition than a mere "tutorial writer," and she is certainly entitled to the title she deserves.
Other than that, like the previous edition, this book is a must-read for people who are from related/unrelated fields. I always loved the 1st edition, and I would do too with the 2nd. Still, I think history should always be approached with more care, particularly if matters have potential controversies.
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Reviewed in the United States on January 6, 2023