This listing is for a Fostex R100T Transformer Type Attenuators, designed to offer high-quality volume balance control for speaker systems. These units are well-regarded for their reliable performance in adjusting tweeter and midrange levels within speaker networks. Originally manufactured by Fostex for professional and audiophile use, these attenuators are a great addition to custom speaker systems.

I have several of these units if you are planning to build your own stereo or multichannel system. Let me know how many you need.

Condition

Condition: Used – Good

Overall in good condition with no noticeable major scratches or stains

Working condition confirmed

No additional accessories included beyond the shown attenuator

Features

Transformer type speaker attenuator set from Fostex

Designed to control tweeter and midrange volume balance precisely

Excellent choice for speaker customization and sound tuning

Durable build quality for long-term reliability

Ideal for audiophiles and sound system enthusiasts

Specifications

Brand: Fostex

Model: R100T Transformer Attenuator (Pair)

Type: Transformer-type speaker attenuator

Impedance: 8 Ω Fostex

Allowable Input: 100 W (music, with network)

Dimensions (each):

88 × 90 × 170 mm (W × H × D)

3.46 × 3.54 × 6.69 inches (W × H × D)

Weight (each): Approx. 1.0 kg / 1000 g / 2.20 lb (typical transformer attenuator weight)

Material: Metal casing with transformer internal construction

Included: Attenuator pair only (no additional accessories)

Country of Origin: Japan