JBL L45B (1973)
A 2-way bass reflex floor-standing system with interchangeable unit configurations.
Overview
Manufactured by JBL, the L45B appeared as an improved version of the L45. This speaker system operates as a 2-way, 2-speaker floor type with a bass reflex system. It was produced in 1973. There are 5 unit variations of the L45B series, with specific configurations labeled as L45B, L45B-001, L45B-030, L45B-S1, and L45B-S4.
Specifications
| Units | Low band 135A, For Middle Range LE5-3, High pass LE25-1 |
| Network | Dedicated |
| Impedance | 8 Ω |
| Allowable input | 75W |
| Output sound pressure level (new JIS) | 93dB |
| Crossover frequency | 1.2kHz, 7.5kHz |
| External dimensions | Width 750 x Height 550 x Depth 450 mm |
| Base | 60 mm high |
| Weight | 49kg |
Design
The enclosure utilizes a bass reflex system for low-frequency response. The base part is composed independently, allowing the unit to be placed vertically or horizontally.
Context
This model represents an evolution of the L45 series. The system changed the unit configuration from the L45B Flair system, with five distinct patterns of unit configuration available.
Market
The most common problem with these speakers is rotten, torn, or damaged surrounds. A repair kit exists to re-foam the woofer surround. The original price for the L45B was ¥ 248,000 (1 unit, around 1975).
eBay Listings
As an eBay Partner, we earn from qualifying purchases. This helps support our independent vintage technology research.