1. Introduktion
This manual provides detailed instructions for the installation, operation, and maintenance of your Hertz SPL Show Series Bundle, which includes one pair of ST 25A NEO Compression Tweeters and one pair of SV 165 NEO 6.5" Midrange Drivers. Please read this manual thoroughly before attempting installation or operation to ensure proper use and to maximize the performance and longevity of your audio components.
2. Sikkerhedsoplysninger
Overhold altid følgende sikkerhedsforanstaltninger:
- Professionel installation anbefales: Due to the complexity of car audio systems, professional installation is highly recommended. Incorrect installation can lead to damage to the product, vehicle, or personal injury.
- Strømafbrydelse: Before any installation or wiring, disconnect the vehicle's battery to prevent electrical shorts and damage.
- Ledningsføring: Ensure all wiring is correctly routed and secured to prevent pinching, chafing, or short circuits. Use appropriate gauge wire for power and speaker connections.
- Ventilation: Ensure adequate ventilation around the speakers to prevent overheating, especially during prolonged high-power operation.
- Lydstyrkeniveauer: Prolonged exposure to high sound pressure levels can cause permanent hearing damage. Operate your audio system responsibly.
- Miljøforhold: While these components feature waterproofing and anti-UV treatment, avoid direct exposure to extreme elements where possible to extend product life.
3. Pakkens indhold
Bekræft, at alle nedenstående varer er til stede i din pakke:
- One Pair (2x) Hertz SPL Show Series ST 25A NEO 1" High Efficiency Compression Tweeters
- One Pair (2x) Hertz SPL Show Series SV 165 NEO 6.5" 4-Ohm SPL Midrange Speaker Drivers
- Installation Accessories (e.g., mounting hardware, wiring terminals - specific items may vary)
- Brugervejledning (dette dokument)

Image 3.1: Contents of the Hertz SPL Show Series Bundle, including two midrange drivers, two compression tweeters, a pry tool kit, and a coozy.
4. Produktet er slutview
4.1. Hertz SPL Show Series ST 25A NEO Compression Tweeters
The ST 25A NEO tweeters are designed for high-efficiency sound reproduction, featuring a powerful Neodymium magnet and a compact size. They are built for robust performance in demanding audio environments.
- Neodym magnet: Provides high performance in a compact form factor.
- FEM Optimized: Phase-plug and loading horn are optimized using Finite Element Method for acoustic precision.
- CCAR Voice Coil: Copper Clad Aluminium Ribbon voice coil offers high thermal and mechanical capability, with an easy replacement body kit.
- Aluminium Membrane: Extra-light design to maximize Sound Pressure Level (SPL).
- Holdbarhed: Features body waterproofing and anti-UV treatment for outdoor use without discoloration.

Image 4.1: A pair of Hertz SPL Show Series ST 25A NEO Compression Tweeters. These compact, black tweeters feature a horn-loaded design for high-frequency output.

Billede 4.2: En vinklet view of a single Hertz SPL Show Series ST 25A NEO Compression Tweeter, highlighting its robust construction and horn design.
4.2. Hertz SPL Show Series SV 165 NEO 6.5" Midrange Drivers
The SV 165 NEO midrange drivers are engineered for powerful mid-frequency reproduction, utilizing Neodymium magnets for excellent performance in a compact and lightweight design. They are also built for durability in various environments.
- Kompakt og let: Achieved through the use of Neodymium N38 H motor units, preserving performance.
- Waterproofing & Anti-UV: Cones are treated to allow safe outdoor use without discoloration.
- Oxidation Prevention: Motor units are treated with cataphoresis, and lead-wires are insulated.
- Kompatibilitet: Terminals and mounting holes are designed for installation on Harley-Davidson motorbikes, indicating versatile mounting options.
- Keglemateriale: Water-Repellent Pressed Paper.

Image 4.3: A pair of Hertz SPL Show Series SV 165 NEO 6.5-inch Midrange Drivers. These black speakers feature a central "SPL Show" logo and a durable cone.

Billede 4.4: En vinklet view of a single Hertz SPL Show Series SV 165 NEO 6.5-inch Midrange Driver, showing the cone texture and mounting points.
5. Opsætning og installation
Korrekt installation er afgørende for optimal ydeevne og sikkerhed. Det anbefales kraftigt, at installationen udføres af en kvalificeret fagmand.
5.1. Kontrol før installation
- Køretøjskompatibilitet: Ensure the mounting locations in your vehicle can accommodate the dimensions of the SV 165 NEO (6.5") midrange drivers and ST 25A NEO tweeters.
- Strømkrav: Bekræft din amplifier can safely power these components. Refer to the specifications section for power handling.
- Værktøjer: Gather all necessary tools, including screwdrivers, wire strippers, crimpers, drill, and safety equipment.
5.2. Montering
Midrange Drivers (SV 165 NEO):
- Fjern forsigtigt de eksisterende højttalere, eller forbered monteringsstedet.
- Ensure the mounting surface is flat and free of obstructions.
- Position the SV 165 NEO driver and mark the screw holes. Drill pilot holes if necessary, ensuring not to damage any vehicle wiring or components behind the panel.
- Secure the driver using the provided mounting screws. Do not overtighten.
Tweeters (ST 25A NEO):
- Choose a mounting location that allows for optimal sound dispersion and imaging, typically at ear level or slightly above.
- These tweeters can be flush-mounted or surface-mounted depending on the included accessories and desired aesthetic.
- Follow the specific instructions provided with the tweeter mounting hardware for precise installation.
5.3. Ledninger
Generelle retningslinjer for ledningsføring:
- Always ensure the vehicle's battery is disconnected before making any electrical connections.
- Tilslut den positive (+) terminal på højttaleren til den positive (+) udgang på amplifier/crossover, and the negative (-) terminal to the negative (-) output.
- Use high-quality speaker wire of appropriate gauge to minimize power loss and ensure clear signal transmission.
- For the ST 25A NEO tweeters, a high-pass filter is required to protect them from low frequencies. The specifications indicate "Hi-pass filtered @ 5 kHz - 12 dB Oct." This means a crossover should be set to filter out frequencies below 5 kHz with a 12 dB per octave slope. Failure to use a proper high-pass filter will damage the tweeters.
- For the SV 165 NEO midrange drivers, a band-pass filter is typically used, allowing frequencies within their operational range (e.g., 150 Hz to 5 kHz) to pass through.
- Secure all wiring to prevent movement, chafing, and potential short circuits.
Warning: Incorrect wiring can damage the speakers and/or ampKontakt en fagmand, hvis du er i tvivl.
6. Betjeningsvejledning
Når den er installeret, skal du følge disse retningslinjer for optimal drift:
- Indledende opstart: After installation, reconnect the vehicle battery. Turn on your audio system at a low volume level.
- Systemjustering: Juster din amplifier's gain settings, crossover points, and equalization (EQ) to achieve balanced sound. Pay close attention to the crossover settings for the tweeters (high-pass at 5 kHz, 12 dB/oct) and midrange drivers.
- Indbrudsperiode: Allow a break-in period of several hours of normal listening before operating the speakers at high volumes. This allows the speaker components to loosen and perform optimally.
- Lydstyrkekontrol: Avoid operating the system at excessively high volumes for extended periods, as this can lead to speaker damage and hearing loss. If you hear distortion, reduce the volume immediately.
7. Vedligeholdelse
These Hertz SPL Show Series components are designed for durability and require minimal maintenance:
- Rensning: Use a soft, dry cloth to gently wipe dust or dirt from the speaker cones and grilles. Avoid using harsh chemicals or abrasive cleaners.
- Inspektion: Periodically check speaker connections for tightness and ensure no wires are frayed or exposed. Inspect mounting hardware for security.
- Miljøbeskyttelse: While treated for UV and water resistance, protecting the speakers from prolonged direct sunlight and extreme moisture will extend their lifespan and maintain aesthetic appearance.
8. Fejlfinding
If you experience issues with your Hertz SPL Show Series components, refer to the following common problems and solutions:
8.1. Ingen lyd fra højttalerne
- Tjek forbindelser: Sørg for, at alle højttalerledninger er korrekt tilsluttet til både højttalerne og amplifier/head unit. Verify correct polarity (+ to + and - to -).
- AmpLifier Status: Tjek om amplifier is powered on and not in protection mode.
- Kildeenhed: Confirm the head unit or source is powered on and playing audio.
- Sikringer: Check fuses in the amplifier and vehicle's fuse box.
8.2. Distorted or Unclear Sound
- Lydstyrke: Skru ned for lydstyrken. Forvrængning opstår ofte, når ampeller højttalere er overstyrede.
- Forstærkningsindstillinger: Juster amplifier's gain settings. Too high a gain can cause clipping and distortion.
- Crossover-indstillinger: Verify that the crossover frequencies are correctly set for both tweeters and midrange drivers as per specifications. Incorrect crossover settings can lead to distortion or damage.
- Ledningsføring: Check for loose or shorted speaker wires.
- Højttalerskade: Inspect speaker cones and surrounds for any visible damage.
8.3. One Speaker Not Working
- Individual Connections: Check the wiring for the specific non-working speaker.
- Balance/fader: Ensure the balance and fader settings on your head unit are centered.
- AmpLifier-kanal: Hvis du bruger en flerkanals amplifier, test the output of the specific channel connected to the non-working speaker.
If problems persist after troubleshooting, contact Hertz customer support or a qualified car audio technician.
9. Specifikationer
9.1. Hertz SPL Show Series ST 25A NEO Compression Tweeters (Pair)
| Feature | Specifikation |
|---|---|
| Størrelse | 44 mm (1.8 tommer) |
| Krafthåndtering - Peak | 100 W (Hi-pass filtered @ 5 kHz - 12 dB Oct.) |
| Impedans | 4 Ω |
| Frekvensrespons | 3 kHz ÷ 20 kHz |
| Følsomhed | 107 dB SPL |
| Stemmespole Ø | 25 mm (1 tommer) |
| Magnet materiale | Neodym |
| Kegelmateriale | Aluminium |
| Stemmespole materiale | CCAR (Copper Clad Aluminium Ribbon) |
| Særlige funktioner | FEM optimized phase-plug and loading horn, Body waterproofing and anti-UV treatment |
9.2. Hertz SPL Show Series SV 165 NEO 6.5" Midrange Speaker Drivers (Pair)
| Feature | Specifikation |
|---|---|
| Størrelse | 165 mm (6.5 tommer) |
| Impedans | 4 Ω |
| Magnet materiale | Neodymium N38 H |
| Kegelmateriale | Vandafvisende presset papir |
| Særlige funktioner | Cones waterproofing and anti-UV treatment, Motor units treated with cataphoresis, Insulated lead-wires, Compatible for Harley-Davidson motorbikes installation |
9.3. Generelle produktspecifikationer
| Feature | Specifikation |
|---|---|
| Varens vægt | 3 pund |
| Pakkedimensioner | 19 x 15 x 9 tommer |
| Modelnummer | HertzBDL210910-06 |
| ASIN | B09G79LN28 |
| Fabrikant | Hertz |
| Dato først tilgængelig | 14. september 2021 |
10. Garanti og support
Garantioplysninger:
This Hertz SPL Show Series Bundle is covered by a 1 års producentgaranti. This warranty typically covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
Kundesupport:
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact Hertz customer support directly. Refer to the official Hertz webwebstedet eller din købsdokumentation for kontaktoplysninger.
Online ressourcer:
Additional information, FAQs, and product registration may be available on the official Hertz Brand Store eller deres virksomhed webwebsted.