Leslie Model 257

The 257 is used with the 258 and was designed exclusively for use with Thomas organs. Below is a description by Harvey Olsen from the “HamTech Mailing List”: “The 257/258 dual cabinet system was actually for selected, high-end, 60s vintage Thomas Organs. The 257 was used for the flute and tibia voices. It’s essentially a […]

Leslie Model 330

This is a smaller version of the 760, and intended for use with a combo preamp. Some organs, especially today, already have a Leslie connector built in and can connect directly to this Leslie’s 11 pin connector. Amplifier Type Solid State Output Power 60 Watts Drum 1 – 15″ Speaker Horn 1 – Compression Driver […]

Leslie Model 760

This model was designed to be used with a combo preamp for portable organs and keyboards. It features a standard configuration of speakers driven by a moderate power amplifier. It’s horn, motors, and rotors are the same as those used in 122 and 147 cabinets of the same era. Amplifier Type Solid State Output Power […]

Leslie Model 760N

The 760N is exactly the same as a 760 and 770 electronically. These cabinets were made at the “Hammond” factory in Anvers, Belgium following Hammond’s acquisition of Leslie. I gather the design change was to make this cabinet more appealing to European customers. Amplifier Type Solid State Output Power 90 Watts Drum 1 – 15″ […]

Leslie Model 770

This model was designed to be used with single channel organs. It features a standard configuration of speakers driven by a moderate power amplifier. It’s horn, motors, and rotors are the same as those used in 122 and 147 cabinets of the same era. Amplifier Type Solid State Output Power 90 Watts total Drum 1 […]

Leslie Model 900

The 900 is a single channel Leslie with built in reverb and a 2 piece Pro-Line portable cabinet.  it was introduced in 1969 and was the first of what would become known as the Pro-Line Leslies.  At the time of it’s introduction it was simply known as the PRO 900. This model was designed to […]

Leslie Model 925

Introduced in 1971, the 925 is a single channel Leslie with a Pro-Line portable cabinet. This model was designed to be used with a combo preamp for portable organs and keyboards. It features an “Aux” channel which speaks through stationary 6×9 speakers and can be turned on and off remotely (via the combo preamp) Amplifier […]