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Description
Bogen Communications SI35A Multi-Graphic Desktop Control CenterThe SI35A Multi Graphic Desktop Control Center from Bogen Communications provides fast, reliable and efficient intercommunication and tone signaling in small to medium sized schools. The SI35A provides a 20W intercom amplifier to permit instant intercommunication with any speaker equipped location, and a separate 35W program amplifier for simultaneous distribution of program material to other rooms or locations. The system also features an emergency
The SI35A Multi-Graphic Desktop Control Center from Bogen Communications provides fast, reliable and efficient intercommunication and tone signaling in small to medium-sized schools. The SI35A provides a 20W intercom amplifier to permit instant intercommunication with any speaker-equipped location, and a separate 35W program amplifier for simultaneous distribution of program material to other rooms or locations. The system also features an emergency page capability for emergency announcements to all stations at once.
The system provides complete facilities for distributing a variety of program materials from equipment such as microphones, CD player- AM/FM receiver, or other background music source (sold separately). Selection of program material, as well as its distribution to selected rooms is accomplished with simple push-button program selection and by following the color-coded guidelines.
- Cost-effective communication for 25 to 75 rooms
- Can be furnished with 1, 2, or 3 room selector panels (each with 25 switches), to accommodate up to 25, 50, or 75 rooms (model SBA225, sold separately)
- Step-by-step instructions and color-coded guidelines for easy operation
- Instant emergency and all rooms announcements
- Remote emergency paging capabilities
- 20W intercom; separate 35W program channel
- Provision for time signaling, Telco and voice call-in
- Aural and visual monitoring of program material, as well as level controls
- Transmit a time tone for classroom change
- Emergency All-Call with a single push-button
- Emergency announcements take precedence over all system functions and are transmitted at a predetermined level
- Emergency paging from a remote telephone or microphone
- Teachers converse hands-free with the control center operator over their individual classroom speaker
- Calls to staff locations are announced by a supervisory tone signal, which repeats at regular intervals to indicate that the channel is open and the room is being monitored
- Classrooms can be equipped with call-in switches to call the control center, with options for privacy to voice call-in
- CD player-AM/FM receiver (sold separately) can be installed when the system capacity does not exceed 50 stations
- Sturdy desktop cabinet finished in an attractive simulated wood grain finish
UPC: 765368430257
In the Box
Bogen Communications SI35A Multi-Graphic Desktop Control Center
- Limited 2-Year Warranty
| Output | Rated Program: 35 WRMS Intercom: 20 WRMS 25 V Balanced line, Line Out to Booster |
| Frequency Response | Program: +1, -3 dB from 80 Hz to 15 kHz Intercom: Shaped for maximum intelligibility |
| Distortion | Less than 1% at rated power and bandwidth |
| Input | Two Lo-Z balanced MIC: Hi-Z unbalanced AUX; Telco Page; 25V Booster |
| Phantom Power | 15 VDC |
| Input Sensitivity | Program: MIC Input: 300?V balanced Lo-Z; AUX: 100mV unbalanced Hi-Z (for rated output) Telco Page: 100mV unbalanced Hi-Z Intercom: Listen Mode: 300 ?V balanced Lo-Z (Console MIC: 1 mV unbalanced Lo-Z) |
| Control | Front Panel: Program Selection: MIC 1, MIC 2, AUX; Level: Monitor/ Listen, Program; Distribution: All Rooms, Emergency, Press To Talk; Indicators: Program Talk/ Level LED Rear Panel: Input Gain: MIC 1, MIC 2, AUX, Telco Page, Talk, Listen Internal: Gain: Emergency Page, Supervisory Tone, Time Tone Enable/Disable: MIC 1/Console MIC; MIC 2/Telco Page, Phantom Power, Supervisory Tone, MIC 1/Monitor Mute |
| Tone | Time Tone: 750 Hz Supervisory Tone: Repeating, 500 Hz Call-in Tone: Repeating; oscillates between 500 Hz and 750 Hz (Switching Frequency, 16 Hz) |
| Power Requirements | 120 VAC, 60 Hz, 100 W maximum |
| Cabinet | Simulated wood grain finish |
| Panel | Black with color-coded lines and instructions for Intercom, Program, Emergency Page |
| Operating Temperature | 0 to 130�F (-18 to 54.4�C) |
| Dimensions (W x H x D) | 20.5 x 12.0 x 11.0" (520.7 x 304.8 x 279.4 mm) (with sloped top) |
| Weight | 29.00 lb (13.15 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 25 reviews
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Product Reviews
★★★★★ 5
Really Cool
This is actually a well made portafilter. It was such a good idea to be able to have a nice WDT tool built in that doesn’t take up some extra counter space or anything. It minimizes clutter and just was a good idea so you always have it handy. Definitely would recommend.
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Reviewed in the United States on December 18, 2024
★★★★★ 3
Fine basket, lousy magnets: Look elsewhere
Build is nice, solid and the baskets fit snuggly without being too hard to remove. The WDT tool works well and came with a surfeit of needles.
HOWEVER
The tiny magnets holding the WDT in the handle aren’t glued in place and now come FLYING out when the tool is removed. One or two pull free and then shoot across the unit, pulling others out and ending up somewhere in the kitchen. Fortunately (because they’re REALLY small), they form a small column making it somewhat easier to track down. But it’s such a nuisance I now leave the tool out, so there’s a small dangerous hedgehog of verrrry thin needles in my kitchen we need to work around. Sub-optimal, sorta defeats the purpose of in-handle tool.
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Reviewed in the United States on May 18, 2025
★★★★★ 5
Excellent product!
It’s all good
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Reviewed in the United States on February 27, 2025
★★★★★ 5
Unlock your machine's potential
***Twist the WDT tool to remove dont try to just pull, or use your finger nails A slight twist will break the magnetic bond and the tool just comes out of the handle***
i got this to get away chemicals, hot acidic coffee possibly leaching plastic and aluminum that the stock portifilter is made from. This seems like a nice stainless by the looks and heft of it. Aluminium is bad for the brain and plastic is just bad.
Function... Im not using a 200$ or more grinder or anything... Just fresh beans and a 30$ wancle amazon burr grinder and this is pulling beautiful bottomless shots that really helped me dial in better and see my channeling issues that intern lets me adjust and get better.
The stock tapered basket prevents consistant tamps and keeps you from using off the shelf filter papers at the bottom of the basket.
i have to use a gram or 2 more for my dose but that just means stronger drinks. I can tell visually im getting more extraction now that im dialed in by the color after adding milk.
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Reviewed in the United States on March 27, 2026
★★★★★ 1
It doesn’t even fit
It doesn’t fit our Breville Barista Pro because the portafilter head is too tall. Such a disappointment.
Update: Absolutely horrible customer support as well. Their only attempt to rectify the situation was by double checking their own portafilter they have and confirming it works. It’s equivalent of “we investigated ourselves and found nothing wrong.” No replacements, no willingness to accept constructive criticism in order to change the dimensions slightly by decreasing the height of the portafilter head by even a millimeter to make it work, nothing. Just a slap in the face telling me to return it and be gone. Avoid this product.
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Reviewed in the United States on January 4, 2025
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