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== Using a Bose B1 with the S1 Pro or S1 Pro+ == | == Using a Bose B1 with the S1 Pro or S1 Pro+ == | ||
| + | === Summary=== | ||
| + | Using a B1 with the S1 Pro or S1 Pro+ is not recommended. Consider using a Sub1/Sub2 as these were designed to be compatible with the S1 Pro/S1 Pro+ | ||
| + | === The B1 Designed for L1 not S1 Pro/+ === | ||
| + | The Bose B1 Bass Module was designed for the L1 family of systems, not the S1 Pro or S1 Pro+. The S1 Pro+ provides a full‑range line output, while the B1 requires a dedicated low‑frequency signal and a matched amplifier to operate correctly. | ||
| − | + | To use a B1 with an S1 Pro or S1 Pro+, you would need additional equipment, including a crossover, a separate power amplifier, and additional cabling. This adds cost and complexity, and the results may not match those delivered by the B1 when used with an L1 system. | |
| − | + | For simple, reliable bass reinforcement, the Bose Sub1/Sub2 is the recommended companion for the S1 Pro and S1 Pro+. It connects directly, includes the correct crossover and protection, and provides deeper, more powerful bass with no extra gear required. | |
| − | + | ===Technical Notes=== | |
| − | |||
| − | |||
| − | |||
| − | The B1 Bass Module is a band‑pass enclosure optimized for use with L1 systems. When connected to an L1 Classic/Model I/II | + | The B1 Bass Module is a band‑pass enclosure optimized for use with L1 systems. When connected to an L1 Classic/Model I/II, the internal Digital Signal Processor (DSP) in the power stand provides a dedicated bass signal for the B1. This processing: |
* Restricts the B1 to its intended operating range (approximately 40–200 Hz) | * Restricts the B1 to its intended operating range (approximately 40–200 Hz) | ||
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* Routes the processed signal to a dedicated 250 W @ 4 Ω amplifier (internal or PackLite A1) | * Routes the processed signal to a dedicated 250 W @ 4 Ω amplifier (internal or PackLite A1) | ||
| − | + | The result at the L1 Bass Line Out is a controlled band‑pass feed that keeps the B1 operating safely and musically. | |
The S1 Pro and S1 Pro+ do not provide this processing. Their XLR Line Out is full‑range and unprocessed. | The S1 Pro and S1 Pro+ do not provide this processing. Their XLR Line Out is full‑range and unprocessed. | ||
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For bass reinforcement with the S1 Pro or S1 Pro+, the Bose Sub1/Sub2 is the recommended solution. It includes internal DSP, limiting, crossover management, and a built‑in 480 W amplifier, and accepts a full‑range line‑level signal directly from the S1 Pro/S1 Pro+. | For bass reinforcement with the S1 Pro or S1 Pro+, the Bose Sub1/Sub2 is the recommended solution. It includes internal DSP, limiting, crossover management, and a built‑in 480 W amplifier, and accepts a full‑range line‑level signal directly from the S1 Pro/S1 Pro+. | ||
| − | + | == Comparison: B1 vs Sub1 with the S1 Pro/S1 Pro+ == | |
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| − | |||
{| class="wikitable" | {| class="wikitable" | ||
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|- | |- | ||
| Maximum output | | Maximum output | ||
| − | | | + | | 109 dB SPL (estimated) |
| − | | | + | | 118 dB SPL continuous |
| + | |- | ||
| + | | Weight | ||
| + | | 28 lbs (not including amp) | ||
| + | | 34 lbs | ||
|- | |- | ||
| Ease of setup | | Ease of setup | ||
| Line 70: | Line 73: | ||
| Simple, plug‑and‑play | | Simple, plug‑and‑play | ||
|} | |} | ||
| + | |||
| + | Reference: [[Sub1/Sub2]] | ||
---- | ---- | ||
[[Category:S1 Pro]] | [[Category:S1 Pro]] | ||
[[Category:S1 Pro+]] | [[Category:S1 Pro+]] | ||
| − | [[Category: | + | [[Category:Sub]] |
| − | |||
Latest revision as of 15:16, 11 February 2026
Contents
Using a Bose B1 with the S1 Pro or S1 Pro+
Summary
Using a B1 with the S1 Pro or S1 Pro+ is not recommended. Consider using a Sub1/Sub2 as these were designed to be compatible with the S1 Pro/S1 Pro+
The B1 Designed for L1 not S1 Pro/+
The Bose B1 Bass Module was designed for the L1 family of systems, not the S1 Pro or S1 Pro+. The S1 Pro+ provides a full‑range line output, while the B1 requires a dedicated low‑frequency signal and a matched amplifier to operate correctly.
To use a B1 with an S1 Pro or S1 Pro+, you would need additional equipment, including a crossover, a separate power amplifier, and additional cabling. This adds cost and complexity, and the results may not match those delivered by the B1 when used with an L1 system.
For simple, reliable bass reinforcement, the Bose Sub1/Sub2 is the recommended companion for the S1 Pro and S1 Pro+. It connects directly, includes the correct crossover and protection, and provides deeper, more powerful bass with no extra gear required.
Technical Notes
The B1 Bass Module is a band‑pass enclosure optimized for use with L1 systems. When connected to an L1 Classic/Model I/II, the internal Digital Signal Processor (DSP) in the power stand provides a dedicated bass signal for the B1. This processing:
- Restricts the B1 to its intended operating range (approximately 40–200 Hz)
- Shapes the response using a B1‑specific EQ curve
- Applies limiting matched to the B1’s mechanical and thermal capabilities
- Routes the processed signal to a dedicated 250 W @ 4 Ω amplifier (internal or PackLite A1)
The result at the L1 Bass Line Out is a controlled band‑pass feed that keeps the B1 operating safely and musically.
The S1 Pro and S1 Pro+ do not provide this processing. Their XLR Line Out is full‑range and unprocessed.
To operate a B1 correctly behind an S1 Pro or S1 Pro+, an external signal chain is required:
- A crossover or DSP to create a 40–200 Hz band‑limited signal for the B1
- Level control to balance the B1 with the S1 Pro/S1 Pro+
- An external power amplifier capable of approximately 250 W @ 4 Ω
- Appropriate cabling (XLR/TRS to DSP, DSP to amplifier, Speakon to B1)
Without this processing, the B1 will not perform as intended and may be at risk of low‑frequency over‑excursion if driven hard.
For bass reinforcement with the S1 Pro or S1 Pro+, the Bose Sub1/Sub2 is the recommended solution. It includes internal DSP, limiting, crossover management, and a built‑in 480 W amplifier, and accepts a full‑range line‑level signal directly from the S1 Pro/S1 Pro+.
Comparison: B1 vs Sub1 with the S1 Pro/S1 Pro+
| Feature | Bose B1 | Bose Sub1/Sub2 |
|---|---|---|
| Intended system | L1 Model I/II/1S | S1 Pro, S1 Pro+, L1 Pro systems, Legacy L1 systems |
| Required processing | Needs external DSP to create 40–200 Hz band‑pass | Built‑in DSP, crossover, limiting |
| Required amplification | External amp (~250 W @ 4 Ω) | Built‑in 480 W Class‑D amplifier |
| Connection to S1 Pro/S1 Pro+ | Requires DSP + amp + cabling | Direct line‑level connection |
| Low‑frequency extension | Limited (band‑pass design) | Deeper, fuller bass |
| Maximum output | 109 dB SPL (estimated) | 118 dB SPL continuous |
| Weight | 28 lbs (not including amp) | 34 lbs |
| Ease of setup | Complex | Simple, plug‑and‑play |
Reference: Sub1/Sub2