Specifications

The high frequency performance of the LFT’s can be tailored with the

tweeter level control. The high frequency performance of the LFT-8b is

adjusted with the tweeter level control. There are three tweeter level

positions: High, Mid and Low. These levels adjust the tweeter output

in approximately 3 dB increments. It is best to start with the tweeter

level set to Low, position the speakers for the best overall frequency

balance, and then decide if more high frequency energy is needed.

The LFT-8b is wired for 8-ohm operation and is appropriate for use

with most moderately powered tube and solid-state amplifiers. The

efficiency is 84dB with a 2.83-volt drive (1 “8” ohm watt). The

efficiency rating is lower than average. However, the LFT-8b radiates

a planar wave front, and as such, on axis its apparent efficiency at the

listening position is higher than the numerical rating implies. The LFT-

8b has a minimum rating of 75 watts per side, tube or solid state. It can

handle “music power” levels (short term burst) of 300 watts or more

with out difficulty. The largest recommended amplifier size for the

LFT-8b is 200 watts.

The LFT-8b does not require a high current amplifier. A receiver may

be used if it has sufficient power. Tube amplifiers should be used with

the 8-ohm tap.

The Tweeter

Level Control

Amplifier

Requirements