Junction Box Family — BNC Patch Panels, JB04T to JB80T
Indicative price, ex-works. Excludes GST, packing & forwarding, freight, insurance and duties. Request a quotation to confirm.
BNC junction-box family, JB04T to JB80T — numbered patch panels for accelerometer and microphone arrays. Screw-fixed bench build as standard; hinged, lockable, zoned chassis build from 48 channels, as engineered for a 64-channel tender configuration. ±0.1 dB flatness, 10 Hz–20 kHz, across every model.
BNC junction-box family, JB04T to JB80T — numbered patch panels for accelerometer and microphone arrays. Read more
Screw-fixed bench build as standard; hinged, lockable, zoned chassis build from 48 channels, as engineered for a 64-channel tender configuration. ±0.1 dB flatness, 10 Hz–20 kHz, across every model.Specifications
| Flatness | ±0.1 dB, 10 Hz – 20 kHz |
|---|---|
| Contact resistance | ≤ 5 mΩ |
| Insulation resistance | ≥ 1000 MΩ |
| Connector | BNC, female-to-female, panel-mount — one per channel |
| Cover | Screw-fixed (standard) or hinged, lockable, lid-stay (chassis, 48ch+) |
| Test report | Calibrated analyser, ≥10% of connectors or 8 channels, worst-case values, dBV and % |
| Warranty | 12 months |
Panel layout by model
| Model | Channels | Panel layout | Cover (as built/specified) | Confirmed from |
|---|---|---|---|---|
| JB04T | 4 | 1 row × 4 | Screw-fixed flat panel | Studio render |
| JB08T | 8 | 2 rows × 4 | Screw-fixed flat panel | Studio render |
| JB12T | 12 | 2 rows × 6 | Screw-fixed, flat panel, 2 cable glands | Real bench photograph |
| JB16T | 16 | 2 rows × 8 | Screw-fixed flat panel | Studio render |
| JB24T | 24 | 3 rows × 8 | Screw-fixed flat panel | Studio render |
| JB48T | 48 | 4 rows × 12 | Screw-fixed flat panel (chassis build optional) | Studio render |
| JB60T | 60 | 5 rows × 12 | Screw-fixed flat panel (chassis build optional) | Studio render |
| JB64T | 64 | 4 zones × 16 | Hinged, lockable, lid-stay, castor stand | Customer tender specification |
| JB80T | 80 | 5 rows × 16 | Screw-fixed flat panel (chassis build optional) | Studio render — numbering has legibility defects |
Models covered
TIERA’s junction-box family routes accelerometer and microphone arrays through numbered BNC patch panels, in nine channel counts from 4 to 80. Every model shares the same panel convention — TIERA logo top-left, model code and serial number top-right, channel numbers beside each BNC — and the same electrical specification, led by ±0.1 dB flatness across 10 Hz–20 kHz.
The standard build, JB04T through JB80T, is a black powder-coated steel enclosure with a screw-fixed top panel and rubber bench feet — no hinge, no lock. From 48 channels up, a chassis-configured build is available: hinged lockable lid with a lid-support stay, the panel divided into zones with one cable gland per zone, dual-face port marking, and an optional wheeled castor stand. The 64-channel configuration (JB64T) is built to that chassis specification as engineered for a customer tender, reproduced in full on its model page.
Electrical specification
| Parameter | Value |
|---|---|
| Flatness | ±0.1 dB, 10 Hz – 20 kHz |
| Contact resistance | ≤ 5 mΩ |
| Insulation resistance | ≥ 1000 MΩ |
| Connector | BNC, female-to-female, panel-mount bulkhead, one per channel |
| Contact material | Beryllium copper or brass, nickel-plated |
| Insulator | Delrin (Acetal / POM) |
These are passive assemblies with no active device in the signal path. A THD or noise-floor figure measured on a box like this is a null-result measurement of the test system as much as the box — TIERA reports ≤ 0.001% THD (≤ −100 dBV ref. fundamental @ 1 kHz) and ≤ −120 dBV broadband noise floor as confirmation that the assembly adds no detectable distortion or noise, not as a spec the box “achieves” the way an active instrument would.
Configuration
Cover (screw-fixed / hinged-lockable), mounting (bench feet / rack ears / castor stand), gland count and connector make (Amphenol, Neutrik, TE Connectivity, Fairview Microwave — approved list) are all specified per order. See the Junction Box family page for the full configuration matrix and per-model detail.
Channel count and configuration are matched to the project requirement. Contact sales@tieraonline.in for a quote against your channel count and dataset.
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Before you buy
The engineering behind this product
Why this measurement is made, how it goes wrong, and what the numbers mean — written by the people who build the instrument.
