🇺🇸 MADE IN THE USA 🇺🇸
Harrison Labs HP-1 Adjustable High Pass PFMOD | 2 Channel Passive RCA Bass Blocker
Take total control over your speaker protection and signal clarity. The Harrison Laboratories HP-1 is a professional-grade, 2 channel adjustable passive high-pass crossover designed to filter out power-robbing low frequencies before they reach your amplifier. By functioning as a high-fidelity "line-level bass blocker," the HP-1 protects your mid-range drivers and tweeters from distortion and over-excursion, ensuring a cleaner and more efficient audio system.
Technical Specifications
• Filter Type: Passive Adjustable High-Pass (HPF)
• Selectable Frequencies: 50 Hz, 70 Hz, 100 Hz, and 150 Hz
• Slope: 12 dB per Octave
• Accuracy: Precision-tuned for high-fidelity signal paths
• Power Requirement: None (Pure Passive)
The left columns control the Left channel; the right columns control the Right channel. Settings must be mirrored on both sides for balanced stereo operation.
| Frequency | Visual Grid (L / R) | Total Jumpers |
|---|---|---|
| 50-60 Hz |
|
4 Jumpers (All slots filled) |
| 70-75 Hz |
|
2 Jumpers (Bottom slots left & right) |
| 100 Hz |
|
2 Jumpers (Top slots left & right) |
| 150 Hz |
|
0 Jumpers (All slots completely open) |
