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ABOUT US
CV. Sinar Baja Electric (SBE) was established in 1981 and is now the largest local loudspeaker manufacturer in Southeast Asia. With ISO 9001, ISO 14001, ISO 45001, and IATF 16949 certification, SBE focuses on high-quality products. ACR Speaker is one of CV. Sinar Baja Electric's flagship products.
ACR Speaker consists of tweeter speakers to subwoofers that have various sizes of voice coils that can be matched according to user needs. The ferrite and neodymium magnets are selected to be the strongest and of the best quality. ACR Speaker also provides speakers from single magnets to double magnets that are suitable for use by the Indonesian people.
ABOUT USCV. Sinar Baja Electric (SBE) was established in 1981 and is now the largest local loudspeaker manufacturer in Southeast Asia. With ISO 9001, ISO 14001, ISO 45001, and IATF 16949 certification, SBE focuses on high-quality products. ACR Speaker is one of CV. Sinar Baja Electric's flagship products.
ACR Speaker consists of tweeter speakers to subwoofers that have various sizes of voice coils that can be matched according to user needs. The ferrite and neodymium magnets are selected to be the strongest and of the best quality. ACR Speaker also provides speakers from single magnets to double magnets that are suitable for use by the Indonesian people.
LATEST NEWS

ACR Users Since the 1990s: PSDS, PSJT, PSC & Ngrambe Visit SBE
This time, the ACR team invited four community groups: PSDS, PSJT, PSC, and Ngrambe, to visit the Sinar Baja Electric factory in Surabaya in September 2026. In addition to the factory tour, all participants enjoyed lunch and snacks, live performances by local artists, and door prizes that added to the excitement of the event.
The team also set up a booth showcasing ACR Speaker’s flagship and latest products, ranging from the 8 inch ARRAY 2050 Batik Edition and the 21 inch 127218 SW Fab double magnet to the Chrono Series, featuring 65 mm to 75 mm options. The booth also featured the latest neodymium-magnet drivers with concave dust caps, such as the 8 inch ARRAY 60086 W-N and the 12 inch 75128 W-N Fab. In addition to ACR Speaker products, the team showcased various Rhyme products, including the MP1 Mk1 and Sphere Series models such as the SP 21020 LA, RM 1182 SB, RM 81 LA, and RM 151 FSB. The booth attracted many visitors who were eager to explore the latest products.
The stage was also equipped with a Rhyme sound system to support performances by local artists. The line array setup consisted of four RM 126 LA Mk1 units on each side, while the subwoofer setup featured four RM 1284 SB units on each side in a cardioid configuration. The monitor system used four C215 A units, while the left and right sidefills featured the RM 225 M Mk4 and RM 1283 SB Mk1. The entire sound system was powered by Rhyme Pro Audio amplifiers.
After the factory tour, participants had the opportunity to take part in a Q&A session and gain free audio knowledge from Mr. Harryanto. “What happens when the voice coil gets bigger? The SPL becomes lower. What do you need to make it louder? You need more wattage,” Harryanto explained while discussing the differences between small and large voice coils.
“As I mentioned, the speaker and the power amplifier need to be properly matched,” he continued while discussing transformers.
Mr. Harryanto also advised all participants to match their amplifier power with the speakers they use. “So, what’s the key takeaway? Choose speakers that match your amplifier’s power capacity. If your amplifier delivers 1,600 watts, then speakers with a 4- to 4.5-inch voice coil are sufficient,” he explained.
The team also interviewed several participants who had been using ACR speakers for the longest time, dating back to the 1990s. “I’ve been using ACR products since the 1990s, and my experience has been very good. I hope Sinar Baja Electric continues to thrive,” said Mr. Pramudi, a member of PSJT, as he shared his testimonial.
The factory tour concluded with a live performance by local artists. All the community groups enjoyed the music and took part in the activities on the main stage. Sinar Baja Electric employees also joined the festivities after their working hours, adding to the lively atmosphere.
CV. Sinar Baja Electric welcomes community groups from across Indonesia to join a factory tour of Southeast Asia’s largest speaker manufacturer, located at Jl. Margomulyo No. 5, Surabaya. In addition to the factory tour, participants can gain valuable audio knowledge shared by the Sinar Baja Electric team, enjoy entertainment and door prizes, and receive complimentary snacks and lunch. For more information, please contact our marketing team via WhatsApp at 0812.3183.3504.
Watch the full video:

Pegasus Sound Expo 2026 Rhyme’s Latest Product Performance
In mid-September 2026, the Sinar Baja Electric team attended Pegasus Sound Expo 2026: Parade Sound Karnaval, held at the Werdoyo Village Field in Godong District, Grobogan Regency, Purwodadi. The event was also attended by participants competing in mixing and SPL competitions.
At the booth, Sinar Baja Electric showcased several of ACR’s flagship and latest products, including the Chrono Series, the latest neodymium speakers featuring a concave dust cap—the 8-inch 60086 N Fab and 12-inch PA-75126 W-N—as well as the 21-inch 127218 SW Fab, featuring a double-magnet design. A selection of Desibel products was also on display, ranging from the CD 65 and CD 75 to the 18-inch 451006 Mk1 Desibel, one of the brand’s best-selling models.
“At our booth, everyone is welcome to shop to their heart’s content,” said Mr. Andra, a member of the ACR marketing team.
“This time, we brought products with the same specifications as those featured at SMEX 2026,” he added while explaining the line array and subwoofer brought by the Rhyme team: the RM 126 LA Mk1 and RM 1284 SB.
“The line array we brought is the latest version of the first-generation RM 126 LA, the Robot Line Array,” he continued.
Each Rhyme product equipped with ACR speakers successfully attracted numerous visitors, who gathered around the booth to experience the sound quality firsthand.
For other sound system communities interested in attending a live demo or taking a closer look at the products available at the Sinar Baja Electric booth, please contact our marketing team via WhatsApp at 0812-3183-3504.
Watch the full video:

Keep Calm! SBE Production Is Running as Usual
As you may have heard or seen on social media, the CV Sinar Baja Electric (SBE) factory did indeed experience a fire this September. You might already know that SBE operates four factories—the SBE headquarters in Surabaya, plus facilities in Pandaan, Wonoayu, and Nganjuk. This unfortunate incident occurred at the Nganjuk plant.
We understand that this news raises concerns among fans of Sinar Baja Electric products. We are working closely with the relevant authorities to address the situation and are carrying out recovery efforts as quickly as possible.
Production activities previously handled at SBE Nganjuk—such as cone and speaker assembly—are being relocated to SBE Surabaya. This ensures that orders from agents and authorized dealers, as well as the needs of ACR users, continue to be processed and distributed on schedule.
Our existing programs, ranging from social media events to factory tours, are proceeding as usual. In fact, we are currently conducting sound checks for factory tours with three community groups scheduled for tomorrow morning. For those unable to attend a factory tour in person, you can still participate in our social media events, such as:
- My SBE Points Lucky Draw (Period II 2025)
- My SBE 2026 Prize Survey
- ACR Sound Carnival (ongoing while shopping vouchers last)
Community groups interested in visiting the SBE factory are welcome to contact our marketing team via the WhatsApp number below.
Stay tuned for more exciting events from Sinar Baja Electric, as we continue our operations as usual.
Best regards,
100% Created by Indonesians

This time, the ACR team invited four community groups: PSDS, PSJT, PSC, and Ngrambe, to visit the Sinar Baja Electric factory in Surabaya in September 2026. In addition to the factory tour, all participants enjoyed lunch and snacks, live performances by local artists, and door prizes that added to the excitement of the event.
The team also set up a booth showcasing ACR Speaker’s flagship and latest products, ranging from the 8 inch ARRAY 2050 Batik Edition and the 21 inch 127218 SW Fab double magnet to the Chrono Series, featuring 65 mm to 75 mm options. The booth also featured the latest neodymium-magnet drivers with concave dust caps, such as the 8 inch ARRAY 60086 W-N and the 12 inch 75128 W-N Fab. In addition to ACR Speaker products, the team showcased various Rhyme products, including the MP1 Mk1 and Sphere Series models such as the SP 21020 LA, RM 1182 SB, RM 81 LA, and RM 151 FSB. The booth attracted many visitors who were eager to explore the latest products.
The stage was also equipped with a Rhyme sound system to support performances by local artists. The line array setup consisted of four RM 126 LA Mk1 units on each side, while the subwoofer setup featured four RM 1284 SB units on each side in a cardioid configuration. The monitor system used four C215 A units, while the left and right sidefills featured the RM 225 M Mk4 and RM 1283 SB Mk1. The entire sound system was powered by Rhyme Pro Audio amplifiers.
After the factory tour, participants had the opportunity to take part in a Q&A session and gain free audio knowledge from Mr. Harryanto. “What happens when the voice coil gets bigger? The SPL becomes lower. What do you need to make it louder? You need more wattage,” Harryanto explained while discussing the differences between small and large voice coils.
“As I mentioned, the speaker and the power amplifier need to be properly matched,” he continued while discussing transformers.
Mr. Harryanto also advised all participants to match their amplifier power with the speakers they use. “So, what’s the key takeaway? Choose speakers that match your amplifier’s power capacity. If your amplifier delivers 1,600 watts, then speakers with a 4- to 4.5-inch voice coil are sufficient,” he explained.
The team also interviewed several participants who had been using ACR speakers for the longest time, dating back to the 1990s. “I’ve been using ACR products since the 1990s, and my experience has been very good. I hope Sinar Baja Electric continues to thrive,” said Mr. Pramudi, a member of PSJT, as he shared his testimonial.
The factory tour concluded with a live performance by local artists. All the community groups enjoyed the music and took part in the activities on the main stage. Sinar Baja Electric employees also joined the festivities after their working hours, adding to the lively atmosphere.
CV. Sinar Baja Electric welcomes community groups from across Indonesia to join a factory tour of Southeast Asia’s largest speaker manufacturer, located at Jl. Margomulyo No. 5, Surabaya. In addition to the factory tour, participants can gain valuable audio knowledge shared by the Sinar Baja Electric team, enjoy entertainment and door prizes, and receive complimentary snacks and lunch. For more information, please contact our marketing team via WhatsApp at 0812.3183.3504.
Watch the full video:

In mid-September 2026, the Sinar Baja Electric team attended Pegasus Sound Expo 2026: Parade Sound Karnaval, held at the Werdoyo Village Field in Godong District, Grobogan Regency, Purwodadi. The event was also attended by participants competing in mixing and SPL competitions.
At the booth, Sinar Baja Electric showcased several of ACR’s flagship and latest products, including the Chrono Series, the latest neodymium speakers featuring a concave dust cap—the 8-inch 60086 N Fab and 12-inch PA-75126 W-N—as well as the 21-inch 127218 SW Fab, featuring a double-magnet design. A selection of Desibel products was also on display, ranging from the CD 65 and CD 75 to the 18-inch 451006 Mk1 Desibel, one of the brand’s best-selling models.
“At our booth, everyone is welcome to shop to their heart’s content,” said Mr. Andra, a member of the ACR marketing team.
“This time, we brought products with the same specifications as those featured at SMEX 2026,” he added while explaining the line array and subwoofer brought by the Rhyme team: the RM 126 LA Mk1 and RM 1284 SB.
“The line array we brought is the latest version of the first-generation RM 126 LA, the Robot Line Array,” he continued.
Each Rhyme product equipped with ACR speakers successfully attracted numerous visitors, who gathered around the booth to experience the sound quality firsthand.
For other sound system communities interested in attending a live demo or taking a closer look at the products available at the Sinar Baja Electric booth, please contact our marketing team via WhatsApp at 0812-3183-3504.
Watch the full video:

As you may have heard or seen on social media, the CV Sinar Baja Electric (SBE) factory did indeed experience a fire this September. You might already know that SBE operates four factories—the SBE headquarters in Surabaya, plus facilities in Pandaan, Wonoayu, and Nganjuk. This unfortunate incident occurred at the Nganjuk plant.
We understand that this news raises concerns among fans of Sinar Baja Electric products. We are working closely with the relevant authorities to address the situation and are carrying out recovery efforts as quickly as possible.
Production activities previously handled at SBE Nganjuk—such as cone and speaker assembly—are being relocated to SBE Surabaya. This ensures that orders from agents and authorized dealers, as well as the needs of ACR users, continue to be processed and distributed on schedule.
Our existing programs, ranging from social media events to factory tours, are proceeding as usual. In fact, we are currently conducting sound checks for factory tours with three community groups scheduled for tomorrow morning. For those unable to attend a factory tour in person, you can still participate in our social media events, such as:
- My SBE Points Lucky Draw (Period II 2025)
- My SBE 2026 Prize Survey
- ACR Sound Carnival (ongoing while shopping vouchers last)
Community groups interested in visiting the SBE factory are welcome to contact our marketing team via the WhatsApp number below.
Stay tuned for more exciting events from Sinar Baja Electric, as we continue our operations as usual.
Best regards,
100% Created by Indonesians
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