BETA
RADAR is in beta — expect errors. Accuracy and coverage improvements are shipping daily.
LIVE
Waiting for new listings…
0 other audiophiles online
SPEC CORPORATION RSA-BW7 Integrated Amplifier (Solid State)

SPEC CORPORATION RSA-BW7 Integrated Amplifier (Solid State)

USD$2,285 AUD$3,200
Condition
Very good
Location
NSW, AU
Seller
Norra2017
Source
StereoNET
Posted
14 Mar 2026
Last seen
10 Jul 2026

RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.

Seller's Description

SPEC CORPORATION RSA-BW7 Integrated Amplifier (Solid State) SPEC RSA-BW7 Real Sound Amplifier Designed by SPEC Corporation, founded by Mr. Shuzou Ishimi and Mr. Shirokazu Yazaki former chief engineers of TEAC and Pioneer with one primary goal: to create tube-amplifier sound from a transistor amplifier. The RSA-BW7 is an integrated amplifier delivering 50W at 8 ohms and 100W at 4 ohms. Made in Japan Condition: Very Good Payment Method: Paypal, EFT Region/State: (NSW) New South Wales/Australia By Norra2017 0 Comments Secure Ad AUD $3,200 Date: March 14Mar 14

Our Thoughts RADAR AI

At A$3,200, this SPEC RSA-BW7 Integrated Amplifier is a strong bargain compared to the typical used market, sitting well below the 25th percentile of A$493 from our ground-truth database of nine AUD listings. While the current new price for the EX version is roughly A$10,000 (€5,927), this solid-state unit offers exceptional value at under half that median used threshold, making it an immediate buying opportunity rather than a fair deal.

This amplifier is well-regarded for its analog switching class D design that defies convention, delivering 100W into 4Ω with a frequency range of 10Hz–30kHz in a tiny 350mm chassis. Its original-owner condition and very_good state add significant upside, as the RSA-BW7 line is prized for expressive mid-low power and NOS components that prioritize sound over specs. With no common failure points or missing accessories noted, this clean listing represents a genuine chance to acquire a sought-after, compact powerhouse at a price that rewards the buyer.

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About SPEC

SPEC is a Japanese hi-fi brand founded in 2010 by former TEAC and Pioneer engineer Shirokazu Yazaki, whose work was driven by a clear aim: to recreate the immediacy and tonal density of valve amplification using modern solid-state design. That origin gives the company a distinctly engineer-led, specialist identity rather than a mass-market one.

The brand is best known for integrated amplifiers and digital disc players, especially SACD players, with its “Real Sound” class D approach at the center of its product philosophy. SPEC also emphasizes proprietary parts choices and circuit tuning, which is part of its appeal to listeners who value voicing and musical presentation over spec-sheet minimalism.

In the market, SPEC sits in the niche high-end category: boutique, technically distinctive, and aimed at committed audiophiles rather than mainstream buyers. Its reputation is strongest among enthusiasts who are curious about unconventional class D implementations with a tube-like character; it is less of a broad-line brand than a specialist one.

See all SPEC listings on RADAR.

More SPEC listings