Estimated Price

Under $700

$3,000–$4,000 (new), $1,500+ used

Power Output

30 watts (solid state)

40 watts (tube, class A)

Amplifier Type

Solid State / Class D

Tube (6L6-based amp)

Speaker Configuration

1 x 8" Full Range

15" woofer + rotating treble horn

Weight

Under 20lbs

125 lbs

Dimensions (HxWxD)

9"x9"x18"

41"x29"x21"

Cabinet Material

Plywood

Hardwood plywood (Heavy)

Rotor Mechanism

Stepper motor (custom software)

Belt/pulley motor w/ relays

Speed Switching

Footswitch / Keyboard Switch

Footswitch / Console switch

Effect Types

Rotary speaker effect

Rotary speaker + tube overdrive

Maintenance Needs

Low (solid-state, modern motor)

High (tubes, belts, motors)

Portability

Excellent – Carryable by hand

Poor – Requires dolly/cart

Noise Level (Mechanical)

Low – Stepper hum only

Medium – motor + belt noise

Ideal Use Case

Gigging, studio, keyboard/guitar

Traditional Hammond organ use

Connectivity

1/4" Line-in

6-pin Leslie connector

Customizability

Open-source software, tunable

Some speed settings