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[Theory-Review] OP Amp Rolling - TNT-Audio
The CD753 circuit is optimised for the NJM4560 and selecting an op amp with specifications close to this op amp should result in a stable performance of the replacing op amp in the CD753. The five op amps listened to were: OPA1612, MUSES8820, OPA1692, LME49723 and the NJM8801. All five op amps have more than half the noise compared to the NJM4560.
[Listening test] Turntable mats: the great comparison test - TNT …
Millennium Audio Carbon Fiber Mat. On TNT you can find the review of this mat published in September 2010. Since then, Millennium Audio has raised the prices by a lot (170€ today) but you can find clones for around 100€. Compared to the rubber mat, the improvement is evident in every way. With the felt side up, the tonal balance, while ...
A Brief Guide to Edison Cylinder Phonographs - TNT-Audio
In general, cylinders were manufactured either from solid "wax"--actually a mix of various ingredients, like paraffin and stearic acid--or as a liminate with a celluloid playing surface over some sort of supporting core. Wax cylinders could be white (very early), tan to dark chocolate brown (later, but still early), or black (after about 1902).
A Brief Guide to Edison Cylinder Phonographs - TNT-Audio
I think it's safe to say that, aside from some of the even higher-end exotic machines released in limited numbers at the end of the open horn era, the big, heavy, powerful Triumph is the Edison phonograph to which most cylinder collectors aspire. Fitted with 2/4-minute gearing, a flipover Model O combination reproducer, and one of the deluxe ...
JBL celebrates 75 years of remarkable history - TNT-Audio
Author: Lucio Cadeddu - TNT Italy Published: February, 2021 JBL was founded by James Bullough Lansing (hence J.B.L.) in 1946, exactly 75 years ago. Mr. Lansing (born James Martini, January 14, 1902 - September 24, 1949) was an American audio engineer and loudspeaker designer who linked his name to two world renowned HiFi brands, Altec Lansing and JBL.
Dynavector DV 20X - TNT-Audio
Product: Dynavector DV 20 X L, MC phono cartridge. Manufacturer: Dynavector - Japan. Reviewer: Geoff Husband. Dynavector asked me not to give the retail price of this cartridge for the reason that due to different taxes etc the price worldwide will vary greatly. However if I tell you that it goes head-to-head with the Shure V15 and is a little ...
[Review] Audio Technica AT95E and Linn Basik/Akito
The Axis had widened Linn's turntable portfolio as the Sondek LP12 upgrades caused its inflationary spiral to exceed even those dark times, appearing at a keen £299 price point, in the late 80s originally with the Basik Plus LV-X and then with the Akito tonearm when it arrived with the Basik turntable. The Axis soon found itself adrift in …
Goodmans Description TwinAxiom 10 Goodmans TwinAxiom 10 has a plasticised edge main cone, with concentrically mounted tweeter (whizzer) both driven by a common aluminium voice coil.
[Listening test] NAD 3140 vintage integrated amplifier - TNT-Audio
The 3140 has an infrasonic filter (12 dB/oct below 15 Hz, always in conjunction with the bass eq), a mono switch, the loudness filter and a bizarre “low level mode” that drops the amplifier gain by 20 dB, for quieter listening sessions, at night, for example. There's also a rear switch that activates the usual NAD soft-clipping circuit and ...