JBL S101

The JBL S101 is a 2-way bookshelf/standmount loudspeaker, and past the basics the record is thin. The available documentation shows a compact bass-reflex design with a front-firing port, built around a 165mm pulp cone woofer and a 25mm soft dome tweeter. Both the Audio-Database and Retro & Vintage Audio listings agree on those driver and cabinet details, and on the 88dB sensitivity and 8-ohm impedance.

The two sources diverge slightly on a couple of figures. Audio-Database lists frequency response as 45Hz–40kHz, a crossover at 2.5kHz, and dimensions of 356mm × 216mm × 286mm (H×W×D) at 6.8kg. Retro & Vintage Audio gives a frequency range of 42Hz–40kHz and power handling of 10–120W, while Audio-Database states 100W. Since these appear to be different spec types rather than direct contradictions, I’ve left them as each source reported. One pair of 5-way binding posts handles the connection.

The only reception note on record comes from Retro & Vintage Audio, which describes the S101 as musical and well-balanced with good imaging. No production years, original price, or market context have surfaced in the available research, so the S101's place in JBL's lineup is undocumented. It appears to have been a straightforward, well-executed compact speaker from a period when JBL was producing a wide range of home models. Period press coverage of JBL loudspeaker systems highlighted the company's engineering leadership, as noted in an interview with the Harmon Consumer Group's Chief Development Engineer in Audiophile (????, p.23).

Known specs:

- 2-way bass-reflex, front-firing port

- 165mm pulp cone woofer, 25mm soft dome tweeter

- Sensitivity: 88dB · Impedance: 8 ohms

- Crossover: 2.5kHz

- Frequency response: 45Hz–40kHz (Audio-Database); 42Hz–40kHz (Retro & Vintage Audio)

- Power handling: 100W (Audio-Database); 10-120W (Retro & Vintage Audio)

- Dimensions: 356 × 216 × 286mm (H×W×D) · 6.8kg