Product Description

Sugden A.21ai Intergrated 25 Watt Class A with Phono Board

We repair and restore Sugden amplifiers. This unit is recently serviced with brand new output transistors and upgraded thermal insulation. This unit has a fresh bias alignment and comes with our 90 day warranty.

Sugden A.21ai specs:

Description: Solid-state integrated amplifier. Inputs: 4 line-level, 1 phono. Maximum output power: 25Wpc into 8 ohms, 1kHz (14dBW). Line input impedance: 47k ohms. Line input sensitivity: 170mV for maximum output. Phono input impedances: 47k ohms (MM), 100 ohms (MC). Frequency response: 20Hz–20kHz, ±0.5dB. Signal/noise: >83dB (no reference level given).
Dimensions: 17″ (430mm) W by 3.5″ (92mm) H by 13.7″ (350mm) D. Weight: 24.2 lbs (11kg).
Serial Number Of Unit Reviewed: 20349.
Price: $2995. Approximate number of US dealers: 10.
Manufacturer: J.E. Sugden & Co., Ltd., Valley Works, Station Lane, Heckmondwike, West Yorkshire WF16 0NF, England, UK. Tel: (44) (0)1924-404088/89. Fax: (44) (0)1924-410069. Web: