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Description
RCF ZM 2124 240W 6 Zones Powered Master UnitThe ZM 2124 240W 6 Zones Powered Master Unit from RCF is a system main unit that includes a preamplifier with 6 zone selection and a built in 240W amplifier. It is suitable for small systems, where the required power per zone is limited. It has input connectors for sources and can manage priority and route the two buses to the system zones. It includes an output level control for each of the 6 zones powered by the internal 240W amplifier. An
The ZM 2124 240W 6 Zones Powered Master Unit from RCF is a system main unit that includes a preamplifier with 6-zone selection and a built-in 240W amplifier. It is suitable for small systems, where the required power per zone is limited. It has input connectors for sources and can manage priority and route the two buses to the system zones. It includes an output level control for each of the 6 zones powered by the internal 240W amplifier. An additional external amplifier is needed to keep the music program in zones not involved by paging.
- Dual-bus system architecture
- System paging consoles input for up to 6 selective devices daisy chained, aux input and overall emergency input on precedence primary bus
- 4 inputs of which 2 microphone and 2 universal, 3 selectable aux inputs with individual volume and tone controls with configurable priority on secondary bus
- 240W constant voltage power amplifier with VU-meter for output signal level and overload indication
- Auxiliary external amplifier input and output terminals to manage primary and secondary buses independently
- Volume attenuators and switches with indicators to send or not the secondary bus program (i.e. music) on each of the 6 speaker line outputs
- Link to connect up to eight ZE 2200 6-zone Expansion Unit (sold separately) to built-up paging systems in excess of 50 zones
- Wall mounting system remote control allows you to remote the main commands available on the master unit
- Priority indicator to show when any system priority circuit has been triggered
- Selectable chime generator is available on announcements
- GPI and GPO logic ports are available for interface purposes with third party systems and for monitoring feedback
- RS 232 port for FW upgrade and communication/interface purposes
- Power supply AC or 24 VDC, 3U 19" rack mounting
In the Box
RCF ZM 2124 240W 6 Zones Powered Master Unit
- Limited 3-Year Warranty
| Amplifier | |
|---|---|
| Internal | Type: Analog Maximum Output Power: 240 W Output Voltage: 100 V or 70 V (direct), 100 V (6 zones) |
| Frequency Response | (+1 / -3 dB) Mic: 60 Hz to 15 kHz Aux: 50 Hz to 20 kHz |
| Distortion | < 1% at maximum power |
| Input | |
|---|---|
| Mic | Input Sensitivity: 1.5 mV (- 54 dBu) Input Signal / Noise Ratio: > 60 dB Input Impedance: 600 Ohms (balanced) |
| Line | Input Sensitivity: 200 mV (- 12 dBu) Input Signal / Noise Ratio: > 70 dB Input Impedance: 600 Ohms (balanced) |
| Aux | Input Sensitivity: 200 mV (- 12 dBu) Input Signal / Noise Ratio: > 75 dB Input Impedance: 10 kOhms (unbalanced) |
| Input | 1 to 4, Aux Bass Tone Control: 100 Hz � 10 dB 1 to 4, Aux Treble Tone Control: 10 kHz � 10 dB |
| Emergency | Input Sensitivity: 100 mV (balanced audio signal), 100 V line Input Signal / Noise Ratio: > 70 dB Input Impedance: 600 Ohms (100 mV balanced audio signal) |
| Paging | (RJ 45) Input Sensitivity: 1 V (+ 2 dBu) |
| Output | |
|---|---|
| Max. Output Level | Pre Output: 1 V MOH Signal: 1 V (+ 2 dBm @ 600 Ohms, balanced) |
| Output Power | MOH Amplified: 1 W (on an 8 Ohms load) |
| Maximum Power | Amplifier 100 V Input: 240 W |
| Power Requirement | |
|---|---|
| Power Supply | 115 V / 230 VAC; 50 - 60 Hz switchable or 24 VDC |
| Maximum Power Consumption | 720 W |
| Operating Temperature | 14 to 113�F (-10 to 45�C) |
| Physical | |
|---|---|
| Dimensions (W x H x D) | 17 x 5.2 x 14.3" (43.0 x 13.3 x 36.5 cm) 19" rack, 3 units |
| Weight | 35.4 lb (16.1 kg) |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Been using it for 15 years! Not sure where the Neg reviews come from?
Size: 16 oz
I've been using Liquitube since around 2010. I use it religiously in my ATVs and lawn tractor tires. Since I've been using this stuff, I've never had a flat before. I've pulled out nails and slivers of steel out of my ATV tires but yet none of them lose air or go flat.
I think some of the negative reviews come from improper use of the product or not enough of the product is being used in the tires. I think this come from variance in formula charts that Liquitube has had in the past on their bottles and on their website. The chart on their website wouldn't match the formula that was provided on the bottle. So I think alot of people get mixed up and not knowing the correct amount to add to each tire. Now Liquitube just puts pictures on the side of the bottle with an ounce measurement below each picture to tell people how to use it. But even that can be confusing. For instance, take the picture of the ATV that they show. Below the ATV it says 32oz. Now some people probably think the 32oz is for the entire ATV. Well that isn't the case. They want you to use 32oz Per Tire! Years ago Liquitube even used to say on the bottle to use 32oz per tire on an ATV. Now they just show a picture with an amount below it.
Now you'll come to find out that the 32oz they recommend doesn't match up to the formula they tell you to use to calculate how much each tire is supposed to get. So if you use the formula provided, you come to find that it calculates out to use less product per tire than what the bottle tells you to use. So that's very confusing as well.
So if you use it long enough, you'll be able to know how much each tire will need from experience. Just make sure there's enough on the inside of the tire to coat the entire inside as well as leaving a bit left over to circulate in the tire so it can be ready for a large puncture if that ever happens.
All in all, it's a good product that does what it claims. It lasts for as long as the tire does and it doesn't freeze up in the cold either! 5 stars!
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Reviewed in the United States on February 13, 2026
★★★★★ 5
Should of been using this long ago
Size: Pack of 1, Style: Fuel System Treatment
I literally watch my MPG jump up .3 within one tank, my mpg count after 6000 miles was steady at around 26.5 and after using this stuff and driving around for 1 tank of gas, it jump up to 26.8. I'm literally impressed!
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Reviewed in the United States on May 18, 2025
★★★★★ 5
Review
Size: Pack of 1, Style: Fuel System Treatment
Item was as described and shipped quickly.
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Reviewed in the United States on May 9, 2025
★★★★★ 5
It's pretty good.
Size: Pack of 1, Style: Fuel System Treatment, Size: Pack of 1, Style: Fuel System Treatment
I used to Chevron Techron before I put Gumout to my 2018 HONDA CR-V.
reduced engine vibration and improved acceleration.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2023
★★★★★ 4
Car run better
Size: Pack of 1, Style: Fuel System Treatment
Very easy to use just pour and go.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 30, 2022